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This document is downloaded at: 2020-06-03T08:18:04Z Title Palladium-Catalyzed Nucleophilic Allylation of Carbonyl Compounds with Allyl Alcohols Author(s) Shimizu, Masamichi Citation (2005-03-18) Issue Date 2005-03-18 URL http://hdl.handle.net/10069/9825 Right NAOSITE: Nagasaki University's Academic Output SITE http://naosite.lb.nagasaki-u.ac.jp

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Page 1: NAOSITE: Nagasaki University's Academic Output SITEnaosite.lb.nagasaki-u.ac.jp/dspace/bitstream/10069/9825/...amomtofcatalystwaslmo1%(rm12),AlthoughPd(acac)2wasdemons廿ated

This document is downloaded at: 2020-06-03T08:18:04Z

Title Palladium-Catalyzed Nucleophilic Allylation of Carbonyl Compounds withAllyl Alcohols

Author(s) Shimizu, Masamichi

Citation (2005-03-18)

Issue Date 2005-03-18

URL http://hdl.handle.net/10069/9825

Right

NAOSITE: Nagasaki University's Academic Output SITE

http://naosite.lb.nagasaki-u.ac.jp

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Chapter3

Pd・CatalyzedNucleop1皿icAllylationofIminesPromotedby

                Et3B and Et2Zhl

       One・potSynthesisofHomoalylAmines

Ab8tract; Inthe presence ofa catalyst Pd(0)complex,Et3B and Et2Zn promote

nucleoph丑icε皿ylation of allyl alcohols with hnines prepared丘om the various

combinations of aldehyde and amines to provide homoanyl amines in good to

moderateyieldsthroughafゑc且eone・potprocedure,hcaseofthe allylationus士ng

methyl substituted a且yl alcohols(e,g.,crotyl alcoholorα・methyl anyl alooho1),the

reaction shows unique stereoselectivity giving aη出somers selectively

106

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Introduction

 Nucleophi五c anylation of hnines have been wi(1ely utnized fbr the syntheses,

since the corresponding homoa皿yl amines are an important synthetic tmit and a

Ilumber of reagents have been(1eveloped fb〔r this pu竿pose.1,2 h con七rast tD

carbonyl compound likeεユdehyde,howeve蔦 the results have o丘en been

unsatisfactoly refbr to the low electoph皿city of血nhユe.Furthermore,the use of

monαs“bs廿tuted飢y㎞etalcQmpo㎜dsraisestheadditionalproblemofregio・舗

al1(l stereoselectivityl6’g  In or(1er to address this issues,vεudous anyhnetal

reagentswere employed.1α13

1nChapber1,wehavedem・ns廿a囲thatEtβ14・rEt2zn15pr・m・bes

mcle・P地canylati・n幅th飢y1飢c・h・1s血thepresence・facat飢画6㎜・㎜t・f

pa皿adium(0)via umpolung ofπ・a皿ylpa皿adium(eq,1and2).Based on the

investiga廿on of Chapter1,we attempte&that加11adium・catalyzed a皿ylation of

血ines幅th飢yl alcoholsinthe presence o畑ethylborane and釦mdthat七he

sim丑ar allylation pr㏄eeds nicely to fl皿nish homoa皿yl amhles through a facile

one・pot proced』u■e.

PhCHO

・。

十 (   OH

Pd cat.

Et3B

+,

Ph〉㌔       OH

r†,

Pd cat.

Et2Zn

    OH

〈/kPh

OH

rt. Ph

(1)

(2)

 Herein we would like to report that the same Pd.一Etβcataly廿c system is

su㏄essfb皿y・extended to the nucleoph丑icε皿ylatio11.of aldi1血1es of aromatic

107

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aldehydes and even aldnlaines of aliphatic aldehydes bearing enolizable protons

RCHO THF / reflux

R'NH2 azeotrope

NR' ~ R

~~~OH NHR' ~r (3 ) Pd cat./ Et3B R

1 08

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Result8and D蛤cu88ion

 The reac廿on was conducted as fb丑ows: .加・就α fbrmation of a

benzaldehyde・μanisid士neimine丘om benzaldehyde la(1,0mmol)andpanisidine

2a(2.O mmo1)(30mln at refしux in dry THF l mL),dist皿ation of an azeotropic

m鱗皿e・fTHF・H20tw・times,㎝dexp・s肥e・f㎞eresiduet・am麟皿e・f

Pd(OAc)2(0,1mmoD,P(エrBu)3(0,2mmo1),a丑ylalcohols(1,2mmo1),Et3B(3.6mlin

lMhexane soltion)andTHF(1ml〉at500Cfbr24hunder N2.

 をMethoxyN(1・phelly1・3・butenyDan丑圭ne 4a was μoduced in 59%,gas

chromat6garphic yield together withハ沼ally1・7ani8idine25%(rul11,Table1).14

1n order tD丘n.d out best reac廿on condition,we examined theεdlylation mder

vaduousreactioncondition,Byreducingtheamomtofpanisidine2a2.0㎜01

to1.05mmol,the fbrmation ofNa皿yl・par直sidine was suppressed andyieldof4a

was血pr。vedrem飢kably(r㎜勿,職e外eld・f4adeαeasedb・31%,29%,副

0%,when PPh3,P(πHex)3,dppp and dppf were used,respectivelyl in place of

P(刀・Bu)3(run3・6).

τaわ’eブ.Effect of Reaction Condition on the Pd-Et3B Promoted Nucleophilic AIlylation of

Benzaldehyde一ρ一Anisidine Imine with Allyl Alcohola

GCyield(%)

run Pd Phosphine  solv Et3B eq. temp/time4a 3a

1c・d

2

Pd(OAc)2

(10mol%)

Pd(OAc)2

(10mol%)

 PBu3     THF   3,6

(20mol%)

 PBu3     THF   3.6

(20mol%)

50/24

50124

57

75(72)b

8

9

109

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3

4

5

6

7

8

9

10

11

12

13

14

Pd(OAc)2

(10 mol'/.)

Pd(OAc)2 (1 O mol'/,)

Pd(OAc)2 (1 O mol'/,)

Pd(OAc)2 (10 mol'/.)

Pd(OAc)2 (10 mol"/,)

Pd(OAc)2 (1 O mol'/.)

Pd(OAc)2 (10 mol'/.)

Pd(OAc)2

(10 mol'/.)

Pd(OAc)2

(5 mol'l.)

Pd(OAc)2

(1 mol'l.)

Pd (acac)2

(10 molo/o)

Pd Cl z

(1 O mol'/・)

PPh3 THF 3.6 (20 mol'/・)

PCy3 THF 3,6 (20 mol"I.)

dppp THF 3,6 (20 mol'/・)

dppf THF 3,6 (20 mol"/.)

PBu3 THF 3,6 (20 mololo)

PBu3 THF 2 4 (20 mol"/・)

PBu3 tolene 3 6 (20 mololo)

PBu3 none 3 6 (20 mololo)

PBu3 THF 3.6 (10 moPl.)

PBu3 THF 3.6 (2 mol'l.)

PBu3 THF 3.6 (20 mol'l*)

PBu3 THF 3.6 (2C mololo)

50/24

50/24

50/24

50/24

rtl:2d

50/24

50/24

50/24

5 0/2 4

50/24

5 0/2 4

50/24

31

29

56

52

no reaction 99

no reaction 89

28

56

53

15

61

44

70

56

13

19

33

5

33

3

no reaction 71

15 Pd (PPhd 4

(1 O mol"/,) none THF 3.6 5 0/2 4 8 44

1 6 Pd (dba) CHC13 none 2(1 O mol'/.) THF 3.6 50/24 no reaction 82

a Reaction Conditions: aldehyde (1.0 mmol), amine (1.05 mmol) in THF1.0mL at reflux 0.5h, then remove

water from azeotrope. Pd(OAc)2 (0.1 mmol), P(n-Bu)3 (0.2 mmol), allyl alcohol (1 .2 mmol), Et2Zn 3.6ml

(1 M n-hexane) and THF 1.0ml were added at under N2・ b Isolated yield was shown in parenthesis. c p

Anisidine (2.0 mmol) was used. d N-allyl-p-anisidine was produced in 250/0 yield.

As is apparent from run 7-10, the allylation should be carried out at 500C in

110

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THF㎝d3,6e俳。ftnethylb・r㎝eisreq血edもr血h・e,』e亘eld・f4awas

decreased when the catalyst was used in less than10mo1%,howeve蔦the

ε皿ylation pr㏄eededto give the homoa皿ylic amine in44%yield even though the

amomtofcatalystwaslmo1%(rm12),AlthoughPd(acac)2wasdemons廿ated

coequal catalytic ab丑ityl PdC12,Pd(PP1翻4,and Pd2(dba)3・CHCl3did not work fbr

thi副yla廿・nascat飢yst(r㎝13・16)・

τab,e2,Pd-Catalyzed,Et3B-Prom6ted Nucleophilic AIlylation of Various Benzaldehyde一

lmines with A”yl alcohola

P鷲la龍悪[‘NR

                     3

、響1ぬ,IHR(2)

 500C/24h   4

run RNH22 isolated yield of4(%)

1

2

3

4

5

H2Nゆ。Me

 2a

     OMe

H2Nウ 2b

H2Nゆ\

2c

H2Nゆ2d

H2NゆCI

2e

      

、hNゆ。、,

 4a

         OMe

 4b

       

、,Nゆ\ 4c

      

4き,N\〔》

      

ンhN窺C、・

72

83

96

93

76

111

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6

7

8

ACl H2N

2f

H2N O

29

H2N02S'CL¥

2h

H ~Ar~' N ~' Ph

Ph 4f

H ~~/~~ NCl

Ph 49

HO N, ,, Ph O,,s~~l~¥1 ~

4h

37

27

55

aReaction Conditions: aldehyde+(1 .O mmol), amine (1 .05 mmol), THF I .O mL, reflux 0.5h, then

Pd(OAc)2 (0.Immol), P(n-Bu)3 (0.4 mmol), allyl alcohol (i .2 mmol)and Et3B (3.6 mmol, i M

n-hexane) in THF 1.0 ml at under N2,

Table 2 shows the results for the various combinations of aldehydes and amines.

These results indicate that the yields of homoallyl amine 4 sharply depend on the

kinds of arDines, and aromatic amines (run I - 5) are the reagents of choice. The

best yield was recorded with ptoluidule, however, hereafter we utilized panisidine

because of its synthetic utility; F anisidine could be readily removed to give rise to

a priinary homoallyl amine. Although the yields of homoallyl arDjne were

moderate to law, irnines formed from aliphatic amines or sulfone alldde 2h and

benzaldehyde also provided products (run 6-8).

Ph Ph Ph Pd oat. / Et3B )¥ reflux in THF

N C02Me azeotrope oL-phenyl allylalcohol ph

500c / 20h

2.0 mmol 2.0 mmol yield 430/0, d,r. [2:1]

Scheme 1. The allylation of imine from amino acid ester and benzaldehyde with allyl alcohol. Reaction condition: Pd(OAc)2 (0.1 mmol), P(n-Bu)3 (0.2 mmol), allyl alcdhol (i .2 mmol), Et3B 3.6 ml (1 M n-

hexane) and THF I .O ml were added at under N2・ ' '

112

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 Furthermore,am虹10acid ester2i was also able to use fbr this a且ylation to

producehomoallylamine4sinmoderateyield(Scheme1),

 Next,we examined theε皿yla廿on ofpanisidine・㎞ine fbrmed fヒom aroma廿c

飢4ehydes(Table3).』ereac廿・n蛉c・mpatitible幅thelec廿・∬d・na廿・ng仕皿

2・6)㎝delec旋・n・輌th血a血gsubstiugnts(r㎜7)・He㊥r・一訓・ma廿c飢dehydes

and cimamaldehyde also behave s血皿arly and provide homoa皿yl amines in

reasonableyields(rm8・10),

 τaわ,e3,Pd-Catalyzed,Et3B-Promoted Nucleophilic A”ylation ofρ一Anisidine-1mines with

A”ylalcohola

                  THF      -  Pdcat.      RCHO1        +  「eflux aIlylalcoh。1晒R (3)

    ρ.Anlsidine2a azeot「。pe Et3B   NH一ρ一Anis                                      4

run RCHO1 temp(oC)/time(h) isolated yield of4(%)

1

2

3

4

α     一

    CHOla

        =        一

     CHOlb

MeOOCH。

 1C

く1〕〔》\cH。

 1d

50124

50124

50124

50/22

      ノ        1

\     \

    NH一ρ一Anis4a

      〆        1

\     \

    NH一ρ一Anis 4」

         OMe      〆        i

、     、

    NH一ρ一Anis

  4k

      ノ’  O        I〉

、    、   O

    NH一ρ一Anis

 41

72

76

76

77

113

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5

6

7

8

9

 OH

    CHO

le

HOゆCH。

1f

αゆCH。

19

だ〉CH・

1h

○、CH。

1i

50/24

50/24

50/24

50/24

50/20

      グ         1

 \     \          OH

    NH一ρ一Anis

  4m

〉Yく)rOH

    NH一ρ一Anis

  4n

         Cl     グ        1

、     、

   NH一ρ一Anis

 40

     O、、     、

   NH一ρ一Anis4P

     クN        I

、     \

    NH一ρ一Anis4q

76

68

84

73

79

10 Ph\ノ\CHO

1」

50!20 \    、 Ph

    NH一ρ一Anis4r

79

aReaction qonditions:aldehyde(1,0mmol),amine(1.05mmol)in THF1.O mL at refluxO.5h,

then removewaterfrom azeotrope,Pd(OAc)2(0.1mmol),P(η一Bu)3(0.2mmol),A”yllcalcohol

(12mmol),Et3B3.6mL(1Mη一hexane)and THF1.O mL were added at under N2.

 ItmaybeworthnotingthateveninthepresenceofallacidicOHgroup(run5・6)

an(1basic am血o group(rul19),it is not necessary t天)use any exセa amount ofEt3B,

i.e.,the opt血血6d amoullt of Et3B fbr ord血a笈y aldehyd.es is su岱cient8nough fbr

the anylation ofsuch substrates.

 ,On the other hand,ε江dhエ吐ne bea血ghetero atom at the碗h6position did Ilot

114

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provi.de homoallyl amine at all (Scheme ~9) , The results could be explained by

taking into consideration the decrease of Lewis acidity of borane was caused by the

chelation of borane to nitrogen or oxygen at the ortho position.

C(H H2N reflux in THF Pd cat / Et B no reaction

CHO OMe azeotrope allyl alcohol

'¥cHO H2N o¥ reflux in THF Pd cat. / Et3B complex mixture

OM azeotrope allyi alcohol

scheme 2. NUcteophinc Anylation ot p-Anisidine-Imines I k and I I with Avyl Acohol.

ReactiOn conditio: aldehyde (1 .o mmoD, ami'ne (1 .os mmoD in THF I .o mL at re~ux 0.5h, then remove

waterfrom azeotrope, pd(oAc)2 (0.1 mmoD, p(n-Bu)3 (0.2 mmoD, avyl atcohol (1.2 mmol), Et3B 3.6ml

(1 M n-hexane) and THF I .o mL Were added at under N2'

In Table 4 are surnmarized the allylation of panisidihe'imines prepared from

aliphatic aldehydes. For primary aldehydes (run I -~9), ordinary secondary

aldehyd~s recorded acceptable yields Gun 3・5) . Imines of oc.P unsaturated

aldehydes lr and Is also react with allyl al.cohol smoothly to provide an expected

homoallyl amines 4x and 4y respectively (run 6- 7), however, the yield of 4x was

lower than others of secondary aldehydes and 4y. This result clearly suggests

that the yields go down as acidities of orprotons increase. Tbis is supported that

the reactions of cinnamaldehyde (run 10, Table 3) which does not possess

enolizable protons or the reaction of myrtenal (run 5) that may be attributed to

steric protection of allylic protons by bridged carbons from an approach of a base

were proceeded nicely, while for aldehyde lk and II bearing more enolizable

protons was failed (Scheme 3) .

115

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Table 4. Pd-Catalyzed, EtsB-Promoted Nucleophilic Allylation of Aliphatic Aldehyde-

Imines .with Allyl alcohole

RCHO I THF reflux

+ p-Anisidine 2a azeotrope

Pd cat,

allyl alcohol

E t3 B

R

NH-p-Anis

4

ru n RCHO temp(oc)/time(h) isolated yield of 4 (・/・)

1 f CHO Ph

Im

50 1 18 ~. Ph

N H - p-An is

4s

31

2

3

n-C5H 1 1 C HO

In

'¥CHO

10

rtll8

50 / 24

~Ar~~, n-C5H11

N H- p-Anis

4t

N H- p-Anis

4u

44

62

4 tCHO lp

50 / 19 ~~

NH-p-Anis

4v

73

5

6

7

tCHO lq

-CHO lr

~ CHO

Is

50 / 24

50 / 24

50 / 24

~.

~~.

~~'

N H- p-An is

4w

N H- p-A n i s

4,x

NH-p-Anis

4y

72

41

71

8

gb (HCHO)~

It

50 / 24

50 / 24

~~l~~ N H-p-An is

4z

28

52

a Reaction Conditions: aldehyde (1 .O mmol), amine (1 .05 mmol) in THF I .O mL at refiux 0.5h,

then remove waterfrom azeotrope. Pd(OAc)2 (0.1 mmol), P(n-Bu)3 (0.2 mmo,1), AIlylic alcohol

(i .2 mmol), Et3B 3.6 mL (1 M n-hexane) and THF I .O mL were added at under N2・ b o-Anisidine

was used in place of p-Anisidine.

116

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On the other han~ in case of paraformaldehyde It, the yield of homoallyl amine

4z was albeit in law because of ethylation product of It provided was generated as

by'product (run 8) . The reason for the difference is most likely responsible for low

solubility of paraformaldehyde in THF.

/l¥ + H2N.¥ reflux in THF Pd cat, / Et3B complex mixture

Ph C H O OMe azeotrope allyl alcohol

Ph H2N.¥ reflux in THF Pd cat / Et B complex mixture /l¥ +

Ph CHO OMe azeotrope allyl alcohol

Scheme 3. Nucleophilic Allylation of Aldehyde-Imines lu and lvl with Allyl Alcohol.

Reaction condition: aldehyde (1.0 mmol), amine (1 .05 mmol) in THF 1.0 mL at reflux 0.5h, then

remove water from azeotrope. Pd(OAc)2 (0.1 mmol), P(n-Bu)3 (0.2 mmol), allyl alcohol

(1.2 mmol), Et3B (3.6ml, IM n-hexane) and THF 1.0 mL were added at under N2-

Previously, we have been found that the electrophilic alLylation with allyl alcohol

at the C3 position of indole proceed successfulLy to afford the corresponding irnine

3aa in excellent yield. 16 The reaction of the obtained imine 3aa with allyl alcohol

also gives rise to the nucleophilic allylation. In Scheme 4 is illustrated,

3,3-diallyl-3H・indole 3aa furnished _9, 3,3-triallylindoline 4aa in 550/0 isolated yield

under similar conditions.

V~

~~

l j d~N 3aa

0.5 mmol

+ ~¥1~P OH Pd cat, / Et3B

500c / 24h

V~

I~ ~~N H

4aa yield 55"/.

Scheme 4 The allylation of imine from indol with allylaicohol. . Reaction condition: Pd(OAc)2(0.05 mmol), P(n-Bu)3 (O.i mmol), allyl alcohol (0.6 mmol), imine

(0.5 mmol), Et3B I .8 mL (1 M n-hexane) and THF 0.5 ml were added at under N2-

117

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'lb compare the chemoselectivity in this reaction, we next examined the

allylation in the presence of benzaldehyde and its imine drivative 3a under the

same reaction condition shown in Table -9 (Scheme 3) . The reactivity of

benzaldehyde was ca. 8 times higher than that of its imine. This result agrees

with the allylation of other allyl metalloids 17 and indicates that the generation of

allylborane species via umpolung of lrallylpalladium. ActualLy, Yamamoto et al

have been reported that the chemoselectivity of allylation via bis-1c'allylpalladium

is opposite that of allyl metalloids. 18* It should be also noted that the success of

the present allylation is not due to increased reactivity of allylboranes toward

imines, 18b Rather, the success may owe its origine to rDinirnization of side

reactions that aldehydes suffer from, especially to reduced capability of irnines

undergoing enolization.

PhCHO Ia rl~~~~~l (1 .O mmol) (1 .O mmol) + ~ N- p-Anis

p-Anisidine 2a Ph 3a allyl alcohol Pd cat./ Et3B

(1 .05 mmol)

~~l~~. N H- p-Anls OH +

yield 8010 yield 69010

Scheme 5. Competition Reaction of Benzaldehyde-Imine and Benzaldehyde.

Reaction condition; aldehyde (1.0 mmol), amine (1.05 mmol) in THF 1.0 mL at reflux 0.5h, then remove

water from azeotrope. Pd(OAc)2 (0.Immol), P(n-Bu)3 (0.2 mmol), allyl alcohol (1 ,2 mmol), aldehyde (1 .O

mmol), Et3B 3.6ml (iM n-hexane) and THF 1.0 mL were added at under N2-

In Scheme 6 is outlined our workurg hypothesis for the present palladium

catalyzed allylation reaction, which invokes an allyl-ethy]. exchange between

7rallylpalladiurn and Et3B as a key step. The allylborane thus formed would

readily react with ilnines to give homoallylic amines, and ethyl-palladiullL

118

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complexes mi客ht mdergoβ・hydro ehnina廿on thereby regenerat±ng a Pd(0)

species.皿豆s scheme is acoord with the dτop in yield.whenρanisidine was used

in excess(rm l,Table1),Anπ・証yl副a出um intermidiate shows出chotomy

wor1血g either as an electrophile to react withρanisidine or as an nucleoph丑e by

the change hltx)ε皿y1(diethy1)borane via umpolung.19・20

(    OH

Et3B↓

(    /O\

   H   BEt3

CH2=CH2

 H20

Pd(0)

〈?d

 1O\H   BEt3

EtPdOH

 PhCHO la

   十

ρ一Anisidlne 2a

(   BEt2

↓一

  早Et2

 Nr\伊AnisPh    3a

      N       \ρ一Anis

 4a  Ph

Scカe」me6.A plausible catalytic cycle for allylation of imine via umpolung ofπ一paIladium with Et3B

 In Table3,the results fbr the a且ylation ofbenzaldehyde・メ7anisidine血血e with

allyli.calcoholspossessingoneortwosubstituents are summε血zed.Asisobserved,

mono・subsitituteda且ylicalcoholsreactregioselectivelyatthemostsubstituted

a皿ylicterm血iandprovidehomoallyl amhle4ab and4ac血goodyield(r㎜2’6);

however,the stereoselectivitywas quite unexpectedandturned outtDbe sublectto

the㎞d o:fsubstituents and the substitution patt£rns. Genera且y,α・substituted

a皿yl alcohols showedhigher stereoselectivity,giving a刀が4pref¢entiε皿y over

卿4(rm2vs,rm3andr㎜5vs.rm6).

119

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Table 5. Pd-Catalyzed, Et3B-Promoted Nucleophilic Allylation of Imine with Allyl alcohols a

PhCHO Ia

p-Anisidine 2a

reflux in THF allylic alcohol

azeotrope Pd cat, / Et3B

Homoallyl amine

4

(5)

ru n allylic alcohol temp(oc)/time(h) isolated yield of 4 ('/,)

[anti:s yn]

1

2

3

4

5

6

~¥/~ OH

¥~~~ OH

110H

Ph_~~~ OH

l¥roH Ph

50 / 24

50 / 24

50 / 24

50 / 24

rt 1 18

50 1 18

~Ar~~ N H- p-Anls

Ph

4a

JY NH-p-Anis

Ph 4a b

4a b

Ph ~/ NH-~Anis

Ph

4ac

4a c

72

82 [5: I J

89 [8: I J

40 [1:1]

68 [1:1]

64 [2:1]

7

8

'OH

vYoH

50 1 8

50 1 48

nph N H-PAnls

4ad

IVLr N H~~Anis

Ph 4a e

71

15b

9

10

¥rvOH

/XO H ~

50 / 42

50 / 42

~r NH~p~Anis

Ph

4af

4af

o

o

a Reaction Conditions:aldehyde(1 .O mmol), amine(1.05 mmol) in THF I .O mL at re~ux 0.5h, then

remove water from azeotrope. Pd(OAc)2 (0.1 mmol), P(n-Bu)3 (0.2mmol), Allylic alcohol (1 .2

mmol), Et3B 3.6 mL (1M n-hexane) and THF I .O mL were added at under N2・ b Isomer ratio is

not determined.

120

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 Furthermore,in contrastto manypreoedents22236indicating thatphenyl group

generε皿y displays better stereoselectivity than methyl group does,in the present

case,methylgroupshowedhigherseleαivitythaロphenylgroup(rm3vs,run6),

Under the reaction condition,a皿ylboranes are expected to react with an imine as

soon as it is fbrmed,23hence the results observed in皿n2,3and6(Table5)

suggestthat(2)・a丑ylboranes are fbrmed selectively via transmeta丑a廿on between

EtぎB andρallylpa皿adium species(卿Tor aoが・isom磯whichmightequnibrateto

each other)and react with士mine through a transition state n(L=Et,Scheme

5),2425 qb o皿best輩nowledge,this is the ftrst example demollstrating

a刀がselectivity fbr the allylation of曲es,start血1g with 飴刀θ℃roty1・type(an(1

㏄methyla皿y})substratesl all p卑cedents starting with翻aηβ℃rotyl substrates

supPose a transtion statB hke I to,rationa五ze the並卿・selec廿ve a丑ylations.2627・ε6

These transition states I and H share a common struct皿alfbat皿e,,Pladngboth

substituents of舳コθ認dimine at quasi・diεじdal position of cyclic six・membered

chair・1ike confbrmation,because the latter experienoes severe gauche repulsion

between、ρ油syl and the五gands on metal(in this case,two Et group on B).28A

transionstate皿thatischaracterizedby面θ加neisanothercandidate,which

seemstρbemos七stablebecauseofno1,3・diaxialrepulsiqns,

                                           L                           し            L                                           l                       Ph I        Ph l

                     肉へ    RJ)属β\L                                           B                                  R∠ 、・\L                                      ノ\N                                     Ph   I           ムAnis                                          ρ一Anis                    R     ρ一Anis

          ↓ 1   \∬  /  皿        SγηiSOmer                aηガiSOmer

Scわe」me5.Most Probable Transition State for A”ylation of lmine with Mong-Sロ、bstituted A”yl AcohoL

                                                ‡                               ‡                 ‡

121

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At the moment, it is premature to assign which of the transition states II or 111

is responsible; the former supposing (~ ・allylboranes and the latter a less stable

cl~~ldimine as intermediates. In case of di'substituted alcohols, we are not

successful for allylation with ce.Y- or Y,Y-djmethylallyl alcohol yet.

The structure of anti-4ab was verified by the comparison of the IH NMR spectral

data with those of an authentic sample after conversion to an arDines 6 (Scheme 6) .

Futhermore, the structure of antj4ab was determined unequivocally by X-ray

crystallographic analysis of the tosylamide derivative 7 (Scheme 7, Figure 1).29

CAN

: Ph MeCN / H20 : ph rt. /2 h

4ab I .O mmoL 6 yield 45010 [anti:syn = 8:1 J [anti:syn = 8:1]

Scheme 6. The synthesis of 2-methyl-1-phenylbut-3-en-1-amine 6.

Reaction condition: (NH4)2Ce(N03)6 (5.0 mmol), amine (1 .O mmol) and MeCN (22 mL) /

H20(16 mL) were added at under atmosphere.

: Ph TsCl / Pyridine : ph N H- p-Ani s Ts' N-p-Anis rt. / 24 h

4ab I .O mmoL 7 yield 940/0 recrystalized in ether / hexane

Scheme 7. The synthesis of Tosylamide 7.

Reaction condition: TsCl (3.0 mmol) were added into a solution 4ab in pyridine (4.0 mL) at

under N2-

¥

Although, Palladium'triethylborane promote the allylation for the vatious

irnines, the reaction for the irDines prepared from aliphatic amines .(run 7 and 8,

Table 9-) or primary aldehydes (run 9- and 3, Table 2) was unsatisfied. Indeed, the

122

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㌧-

.秘

Fig1.The X-ray structure of7

123

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.夢k

“謬

Fig1.The X-ray structure of7 ,

123

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yield ofthe oo皿espondinghomoa皿yl am血es was law With thaちwe examined

the nu(江eophnic allyla虹on of in血es us血g diethンL盆nc血plaoe of tdethン1bo肥ane

and飾mdthat七hereadiongivesexoelentresu1柏伽the漉pha怠csu馳加ates,

The resultB of the.a皿yla怠on uε血1g Et2Zn“between benzaldehyde la and

・cydohe琢1am血e2g are summar吻e(i血Table6.

殆わ1e6.Pd-Catalyzed,EtnM-Promoted NucleophilicA”ylation of lmine with A”yl alcohola

          THF  ・Pdcat    HPhC捜01a、藷陶響1、N\()(6).

 ひC6Hl1NH22g                        49

田n EtnM .equiv. solv.  temp(oC)/time(h)yield(%)

1

2

3

4

5

Et3B

Et2Zn

Et2Zn

Et2Zn

Et2Zn

3.6eq.

3.6eq.

3.6eq.

3、Oeq.

3.6eq.

THF

THF

toluene

THF

THF

50/24

50/4

5014

50μ

財24

22

96

85

58

35

aReaction Conditions:aldehyde(1.O mmol),amine(1.05mmol),THF(1.O mL),re利ux O.5h,then

Pd(OAc)2(0.1mmol),P(η一Bu)3(0.2mmol),A”ylic alcohol(1.2mmol)and Et2Zn or Et3B(1Mη一

hexane)in solv.(tOmL)at under N2.

The a皿yla廿on of cyclohexyla皿血e・benzald血血e,卑 the preε総noe of Et函n・

provided七he homoa皿ylic amine4g in96%・isolated.yield(nm.2).Non・polar

801vent like t61uene al80was ava丑able in thi8reac樋on(㎜3).The inαease in

yieldofhomoa皿yl amine4gmaybe七h6resultofenhance ofthenudeophihci域of

譜yl metal by using Et函n in place of EtぎB.The reducing the amo㎜t ofthe

                124

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Et2Zn or the reaction at room temperature causes a decrease in yleld of 4g (run 4

and 5) .

Table 7. Pd-Catalyzed, Et2Zn-Promoted Nucleophilic Allylation of Imine with Allyl alcohola

PhCHO Ia reflux allyl alcohol ~A/~. + 5 phN¥ (7) NHR ~~ ~Ar I

+

4 Ph RNH2 2 azeotrope Et2Zn

ru n RNH2 solvent temp(oc)/time(h) isolated yield('/.) total yield('/,)

1

2

3

4

5

NH THF ImL

29

crNH2 50 / 4 THF I mL

2f

toluene I mL

/WNH2 THF ImL 50 / 4 2 i

THF 5mL

4g 96 5g o 96

4f 45 5f 37 82

4f 90 5f traoe . 90

4ag 57 5ag 31 88

4ag 75 5ag trace 75

a Reaction conditions: aldehyde (1 .o mmoD, amine (1 .05 mmoD in THFI .o mL at reflux 0.5h, then

remove water from azeotrope. pd(oAc)2 (0.1 mmol). P(n-Bu)3 (0.2mmol), aMyi alcohol (1 .2 mmol),

Et2zn 3.6ml (1 M n-hexane) and THF I .o mL were added at under N2'

The allylation of other aliphatic amines also proceeded smoothly (Table 7) ,

However, benzylamine 'benzaldimine 2f or n ~lexylamine -benzaklinline 2j gave

diallylation product 5 in addition to expected product 4 under similar condition of

run I ~un 9- and 4) . Tbis is most likely due tc an electrophili'c allylation between

product 4 and the 7rallylpalladium intermidiate followed by generation of

125

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homoallyl amine 4 (Scheme 8). It may be explained that the more Lewis acidic

Zn enhances the nucleophilicity by the coordination of Zn to nitrogen. On the

other hand, in case of cyclohexylamine, diallyl product was not observed at all. It

is surmised that this difference is attribute to the steric barrier of cyclohexyl group

on nitrogen.

' The over allylation of homoallyl amine 4 can be suppressed to adjust the amount

or kind of solvent. As is shown in run 3 and 5, the adj ustmen.t of reaction

condition led to excellent result to furnish only expected products 4.

ML 4441~~~:p~~) l

N¥ I

ML, L-Pd-X

(L=Et, X=0H)

Scheme 8. Electrophilic allyiation of homoallyl amine 4 to p-ally]palladium intermidiate.

The allylation of imine formed from aliphatic aldehydes and Fanisidnle also

proceed smoothly but the reaction also gave the homoahylic amine and the diallyl

product respectively (Table 8) . In thi.s cases, the adjustment of solvent or

concentration is not effective. This result may be caused due to higher

nucleophilicity of nitrogen on aromatic amines in contrast to aliphatic amine,'

In conclusion, we have demon.strated that a Pd-Et3B or Et2Zn catalytic system is

capable of promoting allylation of aromatic and aliphatic aldimines using allylic

alcohols as allylating agents. The advantage using allylic alcohols30 rather than

other allylating agents, e,g., allylic metals (Zn 31 In,26.27 Pd3-2) and metalloids (B,23

Si 33 Sn 24,34 Ge35), may be apparent from their ready availabiLi:ty an~ stability as

well as non-toxic side products (H20 an d organoboric acids) .

126

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Table 8. Pd-Catalyzed, Et2Zn-Promoted Nucleophilic Allylation of Imine with Allyl alcohola

RCHO 1

p-Anisidine 2a

THF ref I ux

Pd cat.

allyl alcohol

azeotrope Et2Zn 500c / 4h

R

N H- p-Anis

4

PIAnis

~ '

run RCHO solvent isorated yield(o/.) total yield("/o)

1

2

OICHO

lp

lp

THF I mL

toluene ImL

4V 41 5V 35

4v 36 5v 30

76

66

3 lp THF 5mL 4v 54 5v 1 3 67

4 n-C5H 1 1 CHO THF i mL 4t 58 5t 27 85

In

5 In toluen6 1 mL 4t 38 5t 37 75

6 In THF 5mL 4t, 52 5t 21 73

7

8b

CHO

la

la

THF ImL

THF ImL

4a 1 5 5a 50

4a 34 5a 58

65

92

gC la THF ImL 4a 14 5a 85 99

a Reaction Conditions: aldehyde (i .O mmol), amine (1 .05 mmol) in THFI .O mL at refiux 0.6h, then

remove water from azeotrope. Pd(OAc)2 (O.i mmol), P(n-Bu)3 (0.2 mmol), Allylic alcohol (1 .2

mmol) Et2Zn (3.6 ml, I M n-hexane) and THF I .O mL were added at under N2・ b Allylic alcohol (2.2

mmol) was used and the reaction mixture was stired for 24 h at 500c. ・ Allylic alcohol (2.2 mmol)

and Et2Zn (4.8 ml) were used and the reaction mixture was stired for 24 h at 500c.

127

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E琴pe血nenta18ection

Miαoanalyses were perfbrmed by the Center of王nstrumental Analysis of

Nagasaki University AnεJysis agree with the calculated values within±0.4%.

HighTesolution mass spectra were measured with JEOL JMS・DX303,In丘ared

spectra were measure with a JASCO A・100血丘ared spectrophotometeL IH’NMR

or13C・NMR were meas皿ed on▽adan Ge11血300and EOL JNM・AL400

instr㎜.entwithtetramethyls丑aneasanintemalstandard,Chemicals蹟values

were given in ppm downfield fヒom the intemal s㌻andard.Melting point were

determined with Yanaco micro melting Point apParatus-and were not corrected.

Boihng points are mean to re蝕to the oven temperatures in short・path

(bulbtκ)・bulb)disti皿ation by a Klugeh℃hr apparatus,

Solvent8 and Rεagents;・Tb廿ahydro血ran was dned and dist皿ed,丘om

benzophenone andl sodium hnniediat£1y prior to use un(1er1オtrogen atomosphere.

Tbluene was di就皿ed over calcium hydrid.e,Pd(OAc)2(P皿ity97、0%,Nakaral

tesque),πBu3P(pu亘ty90.0+%,%kyo Kasei Kogyo Co,,Lt(L),EtざB(1.OM hexane

solution,1㎝TO CHEM工KAI、Co.,工NC.)an(l Et2Zn (1.OM hexane solutiol1,

KANTO CHEMIKAL Co.,n灯C,)were p皿chased and used.without五皿ther

purt且cation The fbllowingεαdehyd.es,amine,and.allyl alcohols were purchased

and dis七皿e(1pnor to use by a Kugeh℃hr apparatus:allyl alcoho1,(πotyl alcohol,

but・3・en・2・01, cinnamyl alcoho1,,a・vinylbenzy1 εacoho1, preny1 ε江coho1,

peIlt・3・en・2・01, benzal(1ehyde (1a),メ7tDlylaldehy(1e (1b),メ7anisal(lehy(ie (1c),

piperona1 (1d), mhydroxybenzaldehyde (1e), μhydroxybenzaldehyde (1f),

P℃hlorobenzal(1ehyde  (19), fur丘皿a1 (1h), 刀2pyri(㎞ecεぼboxal(1ehy(le  (li),

c脚am田dehyde(1j),σhy⑳。xybenz飢dehyde(m,・P翼i血ec諭x飢dehyde(P,

128

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出hydrochmamaldehyde (1m), hexana1 (:hD, isobutyraldehyde (10),

cyClohexanecarboxa1(1ehy(le (1p),cyclohex・3・en㏄arboxaldehyde (1q),cyclohex・

1・enecarbox田dehyde (1r), (・)・myrtenal (1s), paraibrm瓠dehyde (1t),

α・phenylpropion aldehy(ie (1u), diphenyacetaldehyde (1v),メ7anisi(㎞e (2a),

σ・anisi(㎞e(2b〉,ptolui(hle(2c),an丑血e(2d),ンワ℃hloroan丑hle(2e),benzylan丘ne(2i),

cyclohexylε皿圭ne(29),P{Dluenesuhbnamide(21D,(S>methy12・amino・2・Phenyl

acetate(2i),.η・hexylamine(2」).3,3・dially1・3H・indole(3aa)were prepared丘om

indo1(see blow).

Preparation of3,3・di2皿y1・3H血dole (3aa).Tb a solution of t£trakis七dopheny1

・phosph圭nepanadium(578mg,0,5mmo1)andindol(1.17gl10mmol)in dry THF

(50mL)was,ad.ded allylεユcohol(697mg,12.O mmo1)and面ethylborane(24.O

mmolIMinhexanesolution)atroomtemperature,Themixturewasstl㎞ed㎜.der

nitrogen at room temperature fbr2h,A丘er complete reaction,the血xture was

d丑uted with AcOEt and washed sat Nε〔HCO3aq.εmd b血ne.The extract was

evapora㌻ed and p皿迅ed by means of column chromatOgraphy over曲ca ge1

(hexane:ethylacetate・=4:1)to give珈in95%yield.IR(neat)3076(s),2978(m),「

2924(m),1738(m),1640(m),1480(vs),1456(vs),1349(m),995(s),914(m),745

(vs)cm’1;1HNMR(300MHz,CDC19

General Pr㏄edure ibr the Prepar註Uoln of Homoa皿yl Amine by the Reac樋on of

pAnisidine・Ber副dehydeh血eand翻欝C1℃仁y1A㎞ho1(㎜2,丁巨ble5):A

solutionofbenzaldehyde(1.ommoD andρε皿isid血e(1.05mmoDindryTHF(1m1)

was refluxed fbr30加n mder N2εmd then the solvent was removed by

磁皿ati・n(a鴉・廿・picrem・v田・fwate葛bp63。C)・THF(1、切wasadded㎝d

dist皿ed oEmder atmosphehc press皿e ofN2.Over the h血1e residue were

129

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su㏄essively added Pd(OAc)2(0.1mmo1),BuざP(0.2mmol),crotyl alcohols(1.2

mmo1),THF(1mD,andEt3B(3.6mmo1,1Mhlhexalle),Thehomogeneous

血ure was stirred and.heated.fbr24h at500C under N2.The mixt1皿e was

dilutBd with EtOAc and washed with sat.NaHCO3εmd brine,and then the

organicphasewas d血ed(MgSO4)alldconcentrated圭nvacuoto give anye皿owoi1,

which was pu血丘ed by column chfomatography over s丑ica gel(EtOAc/hexane,

1/100tD1/20v/v)tD・give4ab in82%yield(R卉0.83,EtOAc加exane二1/2),皿1e

fbllowing homoanyl an立nes were charactenzed by compahson with liter帥皿e:

4methoxy・N(1・(4・methoxypheny1)but・3・eny1)an出ne(4k),甲ハ弄(1・(4・chloropheny1)

・3・buteny1>4・methoxyani㎞e(40),374Methoxy・2V:(1・(3・pyridiny1)but・3・enyDan曲ユ

e(侮),胎

4・Methoxy・ハF(1てpheny1・3・buteny])an皿ne(佃):IR(neat)3400(w),3025,(w),1640

,(w),1512(s),1452(w),1必0(w),12如(s),1178(m),1038(m),995(w),920(w),820

(m),756(m),702(m)cm‘1;享H NMR(400MEz,CDC19:δ2,50(dt,♂=14.3,8ユ,1

H),2。59(ddd,」=14.3,6.4,5,3,1H),3,68(s,3H),4,30(dd,♂=8.1,5.3,1H),5,12

(d,♂=10.3,1H),5,16(d,♂=・17.0,1H),5.74(dddd,♂=17,0,10.3,8,1,6,3,1H),

6,47(d,」=8,8,2H),6,67(d,♂=8.8,2H)7.20・7.37(m,5H);13CNMR(100MHz,

CDC19:δ43.2,55.8,一58,3,114.8,115.0,118.2,126,5シ127,0,128.6,1347,1413,

143,6,152.3;HRMS calcd、fbr C]7HlgNO253.1466,fbund加/z(relative intensity):

253.1461(M+,10),212(100).

2Me七hoxy・ハ汚(1・phenylbut・3・enyDaniline(4b):IR(neat)3423(w),3100(w),1640

(w),1603(s),1512(s),1491(w),1454(s),1225(s),1176(m),1030(m),995(w),918

(m),737(s),702(m)c血1;1H㎜R(400MHz・CDC珍:δ2・56(dd裸,♂〒145,7・7,6・6・

1H),2,60(ddd.,♂=14.5,7,7,5,5,l H),3,87(s,3H),4,37(dd,♂=7、7,5,5,1H),5,12

130

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(d,♂ニ10,3,1H),5.16(己♂=16,9,1H),5.78(dddd,♂=1a9,10.3,7,7,6,6,1H),

6.30(d,♂=7.7,1H),6.59(t,♂=7.7,1H),6,67(t,♂=7.7,1H),6.75(d,♂ま7,7,1H),

7,19・7,37(m,5H);13C NMR(100MHz,CDClゆ:δ55.7,57,4,57,5,109.5,111.3,

116.5,118.0,121.2,126,4,126.9,128.6,134.7,137,3,143.7,146.9;HRMS calcdfb■

C17HlgNO253.1466,痴md漉(rela廿veintensity):253.1468(10),212(100)

4・Methy1・ハ再(1・pheny1・3・butenyDa皿ine(4φ:IR(neat)3410(w),3025(w),1640(w),

1618(m),1520(s),1489(m),1452(m),1301(m),1263(m),1182(w),993(w),920

(m),808(m),754(m),700(s)cnTll・HN皿(400MHz,CDC19:δ2.16(s,3H),2.50

(ddd,♂=143,6,6,7.7,1H),2.60(d.dd,♂ニ14,3,5.1,7.7,1H),434(dd,♂=7.7,5、1,

1H),5.12(d,♂=10.3,1H),5.16(d,♂=17,4,1H),5.75(dd.dd,♂=17,4,6.6,7.7,

10.3,1H),6.42(d,♂=8.2,2H),6.88(d,♂=8.2,2H),7.19・7.36(m,5H);13CNMR

(100MHz,CDC19:δ30,9,43,2,57,7,113.8,118,2,126,4,127.0,128.6,130.0,1347,

143,6,144.9;HRMScalcd鉤rC17HlgN237.1517,飾tmd漉(relativeinte・・sity):

237,1497(9),196(106)

ハF(1・P五enylbut・3・eny1)a皿肚ne(4d):IR(neat)3412(w),3020(w),1640(w),1602(s),

1504(s),1452(m),1317(m),1267(m),1180(w),993(w),920(m),750(s),692(s)

cm“1;1HNMR(400MHz,CDC斐):δ2,50(dt,♂=14.3,7.7,1H),2.61(4dd,♂=143,

5,1,6,4,1H),438(dd,」=7.7,5.3,IH),5.14(d,♂=10.4,1H),5,17(d,♂=17.0,1

H),5,76(dddd,♂=17.0,6.4,7,7,10.4}1H),6.49(d,♂=8,8,2H),6,63(t,♂=7.3,1

H),7,07(dd,♂ニ8,8,7.3,2H)7.20・7.37(血,5H);13C NMR(100MHz,CDC1ρ:δ

43.2,57,2,113.5,117.4,1182,126,3,127,0,128.6,129ユ,134.6,143.5,147・4;

HRMScalcd伽C16H17N223.1361,飾md漉(relativeintensity):223.1386(10),

183(100)

131

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4・Chloro・ハ不(1,henylbut・3・eny】)an丑量ne(4e):IR(neat)3416(w),3025(w)シ1640(w),

1599(m),1499(s),1452(w),1315(m)。1263(w),1177(m),1092(m),993(w),921

(m),815(m),758(m),700(m)cm』1;1H NMR(400MHz,CDCl9:δ2,50(ddd,♂ニ

14.1,7,0,7.7,l H),2,61(ddd,♂=14ユ,5,5,7.7,1H),433(dd,♂=7,7,5.5,1H),5,14

(d,♂=9,9,1H),5.17(d,♂=16,9,1H),5,74(dd.dd,♂=16,9,9,9,7.0,7,7,1H),6,41

(d,♂=8,8,2H),7.00(d,」=8.8,2H)7,21・7.32(m,5H);13C NMR(100MHz,

CDC1ρ:δ43,1,57.5,114.9,118,5,122,3,126.3,127。2,128.7,1290,1344,142,8,

145.6;HRMS calcd伽C16H16Cm257.0971,fbmd魏(relative intensity):

257,0970(9〉,216(100)

ハFBen多y1・1Theny1・3・butenylamine(始:IR(neat)3300(br),3062(w),3026(w),

2928(vs),2853(s),1639(w),1602(w),1493(m),1450(m),1124(m),1028(w),993

(w),914(m),758(m),700(s)cm’1;1HNMR(400MHz,CDC13):δ2.39(ddd,♂ニ13.9,

7.7,6.2,1H),2,43(ddd,」士13.9,7,7,6,2,1H),3,53(d,♂=13,4)1H),3.67(氏♂=

13.4,1H),3.69(dd,」ヒ7.7,62,1H),5.03(d.,♂:=10.4,1H),5.06(d,♂=16.9,1耳),

5.70(dddd,♂=16,9,1α4,7.7,6.2,1H),7.21・7,37(m,10H);13C NMR(100MHz,

CDC1♂:δ43.1,5L5,61.7,117.5,126.8,127.1,127.3,128.1,1284135.5,140.7,

143,9;HRMS calcd fbr C17H]gN g37,1517,ibund1ユ物(relative intensity):237,1517

(0,3),196(100)

N(1・Pheny1・3・buteny1)¢ydohexanamine(勉:IR(neat)3300(w),3063(m),3063

(m),1637(w),1602(w),1493(m),1454(m),1437(w),1117(w),1070(w),1028(w),

995(w),916(m),760(m),700(s)cm’1;1HNMR(400MHz,CDC1ρ:δ0.92・1,15(m,

5H),2.25(ddd,♂=13,9,7,5,6,3,1H),2,37(ddd,♂=13,9,7.9,6.0,1H),2,37(qutnt,

♂=7・9,1H),3・84(dα♂=7・5,60,1H),5・03(d・♂=10・2,1H),5・q7(母,♂=17・2・1

H),5,69(dd(ld,♂=17,2,10,2,7,9,6,3,1H),7,20・7.41(m,10H);13C NMR(100

132

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MHz,CDC19:δ26.2,33.0,34,7,43,4}53.5,59、0,117。1,126.6,127.0,128ユ,135.6,

144.6;HRMS cε凸cd fbr C16H2ぎN229,183,fbmd皿吻(rela廿ve intensity):229.1818

(5),225(5),189(19),188(100)

1・pheny1・Nto6ylbut・3・en・1・amine(4h);m(KB1):3271(s),3063(m),2909(m),

1643(w),1597(m),1497(m),1450(m),1319(s),1165(s),1095(m),1057(m),988

(m),918(m),810(m),764(m),702(s),671(s);1H・NMR(400MH属CDαゆ:δ2.38

(s,3H),2,43(ddd,み14.3,7.3,6,6,1H),2.50(ddd,」』143,7.1,6,6,2H),438(q,

み6.6,1H),4.81(d,誇6.6,1H),5,06(d,み10.9,1H),5,07(d,み16.1,1H),5.51(dddd,

赤16,1,10.9,7.3,7.1,1H),7.06・7,19(m,5H),7,17(d,赤8.1,2H),7,55(d,赤8.1,

2H);13C-NMR(100MHろCDC1ゆ:δ21,4,41.8,57.1,119.1,126,4,127.0,1272,

128.2,129.2,132.9,137.4,140.2,142.9;]旺R醐,calc(1丘)r C17H1姻02S301.1136,

丘)un(1nVz(relative血bensity):301,1210(0.3),260(100)

4・Methoxy・ハF(1アtolylbut・3・eny1)a血e(4j):IR(neaオ):3398(w),2930(m),1831

(m)1637(w),1618(w),1514(s),1463(m),1440(m),1296(m),1240(s),1178(m),

1039(m),9g5(w),918(m),817(s),775(m),756(m),721(w);1H・NMR(400MHz,

CDC1ξ):δ2.32(s,3H),2,45(dt,み14,4,7.8,1H),2.57(dt,」ま14.4,5,1,1H),3.68(s,

3H),427(dd,み7.8,5,1,1H),5.12(d,赤10』2,1H〉,5.17(d,み16.9,1H),5.74(ddt,

赤16.9,10,2,7.8,1H),6.45(d,み8.9,2H),6.67(d,赤8.9,2H)7.12(d,赤7.9,2H),

7.24(d,み7,9,2H);13CNMR(100MHろCDC恥:(121.0,30.8,433,与5.6,57.6,114.4,

117,7,125.9,128.9,134.6プ136.1,140.4,141.4,151.6;HRMS calcd fbr C18H21NO

267,1623,ft)und nVz(relative血t£nsity):267.1602(55),226(100)

万(・価㎜1司[・・31面・x・卍6・ゆbuむ3・enゆ’4齢me血・靭曲e(砂:卑(neat)3402(w),

2900(m),2831(m),2777(w),1846(w),1686(w),1β38(w),1608(w),1514(s),1485

133

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(s),1440(s),1406(w),1373(w),1240(s),1180(m),1097(m),993(w),929(m),818

(s),754(w)cm瞥1:1HNMR(400MHz,CDC13):δ2.44(dd,♂=142,8.0,1H〉,2.54(dd,

♂=142,5.9,1H),3,69(s,3H),4,20(dd,♂=8.0,5,9,1H),5,12(dd,♂=10ユ,1,6,1

H),5.16(dd,♂=17.1,1.6,1H),5.74(dddd,♂=17,1,10,1,8.0,5.9,1H),5.91(d,♂=

1,5,1H),5.92(d,♂=・1,5,1H),6。46(d,♂=8.8,2H),6,68(d,♂=8.8,2H),6.74(d,♂

=7,8,1H),6.81(dd,♂:=7.8,1.7,1H),6.85(d,」=1,7,1H);13C NMR(100MHz,

CDCl白〉:δ43.6,55,8,57.8,100.9,106,7,108.2,114.6,114.7,1182,119.4,134.7,

138.0,141,5,146,3,147.8,151.9;HRMS calcd fbr C1暮HlgNO3297.1365,fbundヱη/z

(relativeintensity):297.1349(M+,100),274(2)

3・(1・(4Me血。卿heny㎞・)but・3・eny恥hen・1(血);m脇⇒:3294(m),3055

(brm),2900(m),2831(m),2607(m),1589(m),1512(s),1380(m),1319(m),1242

(s),1157(w),1042(m),980(w),925(w),864(m),826(m),787(m),741(m),702

(w);1H・NMR(400配皿z,CDC1ゆ:δ1.42(s,1H),2,45(ddd,み14.4,8.1,7,8,1H),

2,58(ddd,赤14.4,6。3,4.9,1H),3,70(s,3H),4.25(dd,み8.1,49,1H)5ユ5(d,∂』10,0,

1H),5.18(d,」』17,1,1H),5.76(dddd,み17.1,10.0,7,8,6.3,1H),6.45(d,」』8.8,2H),

6.69(d,。焉8.8,2H),6.70(d,み7.8,1H),6,85(s,1H),6,93(d,」士7,8,2H),7,19(t,

赤7.8,1H):13C・NMR(100MHz,CDC1ゆ:δ 43.2,55.7,57.8,113.0,113.8,114.6,

114.7,118.1,118,8,129.6,134.5,141,4,145,9,151,9,155.7:HRMScalcd蝕

C17HlgNO2269,1416血mdnVz(relativeintensity):269,1417(46),228(100)

4・(1・(4・Me五ho区ypheny㎞no)・3・butenyヨ)pheno1(4n):IR(neat)3301(br),2907(m),

2833(m),1614(m),1597(w),1514(s),1443(m),1406(m),1238(s),1178(m),1109

(m),1036(m),997(w),920(m),822(s),752(m)cm’1;1HNMR(400MHz,CDC1ゆ:δ

1.21(s,1H),2・42(dt,♂=146,8・0,1H),2・55(ddd,♂=14・6,8・0・52,、1H)・3・69(sβ

H),5.12(d,♂=享0.2,1H),5ユ5(d,み17.1,1H),5、74(dddd,赤17ユ,102,8,0,6.6,

134

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1H),6.45(d,」…=8,8,2H),6,72(d,み8.8,2H),6.77(d,♂=8、5,2H),7.21(dン♂=8.5,2

H),:13C NMR(100MHz,CDC1ゆ:δ43,4,55.7,57.4,114.6,114.6,115.3,118.0,

127,4,1347,135,8,141,5,151,8,1542:HRMScalcd蝕C17HlgNO2269ユ416痴md

刀2/z(relative int£nsity):269.1427(13),228(100).

ハ戸(1・(2・FuranyD bute・3・nyl)・4・methoxy;benzenamine(4p):IR(neat)3350(w)β100

(w),2934(w),1640(w),1512(s),1464(w),1441(w),1408(w),1240(m),1180(w),

1038(m),1009(w),922(w),820(m),737(m)c血・;1H剛R(400MHz,CDC恥:δ

2.40(dd,♂=・7.0,6.2,2H),3.72(s,3H),446(t,♂=6,2,1H),5.12(d,♂ニ1α2,1H),

5,16(己♂ニ17,2,1H),5.76(ddt,♂=17.2,10,2,7,0,1H),6,14(d,」=3.2,1H),628

(dd,♂:=3,2,1,9,1H),6.57(d,♂=8,8,2H),6,74(dウ♂=8.8,2H),7.34(d,cノ’=・L9,

1H);13C NMR(100MHz,CDClゆ:δ39.2,52.5,55.7,106.0,109.9,一114.7,115.1,

113,1,133.9,140,9,141,3,152,4,155.8;H剛Sc副cd蝕C15H17NO2243・1259,

飾tmd血勿(rela廿veintensity):243.1217(45),202(100)

4・Metho翼y・ハF((五)・1てpheny1・1,5・hexadien・3・yDaniline(4r):IR(neat)3390(w),3025

(w),1676(m),1626(w),1512(s),1448(w),1240(m),1178(w),1038(m),970(m),

918(m),820(m),748(m),694(m)cm-1;1HNMR(400MHz,CDC19:δ2.44(dt,♂=

141,7.1,1H),2,46(dt,♂=141,7.1,1H),3.72(s,3H),3.97(dt,♂=6,1,7.1,1H),

5.14(d,♂=10.0,1H),5,17(d,」=17,0,1H),5.85(ddt,♂=17,0,10.0,7ユ,1H),6.18

(dd,c7’=16.0,6.1,1H),6.58(d,♂=16.0,1H),6,62(d,♂ニ8.9,2H),6.74(d,♂=8.9,

2H)7,18・7.35(m,5H);13CNMR(100M耳z,CDCl9:δ40.5,55.7,55.8,114,7,1エ5.0,

118,1,126.2,127.2,128,4,129.0,130,2,134,4,136.9,141.4,152.1;HRMScalcdfbr

ClgH21NO279.1623,fbund翻z(relativeintensity):279,1634(M+,11),238(100)

4・Meth曝y・ハ汚(1てpheny1・5・hexen・3・yDa曲e(4s):IR(neat)3393(w),3026(w),

135

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2920(m),1640(w),1603(w),1512(s),1441(m),1408(m),1240(s)ン1178(m),1040

(m),997(m),912(m),820(m),7娼(m),7qO(m)cm“1;1HNMR(400MEz,CDC珍:δ

1,46(dt,♂=142,7.1,1H),1.55(dd己♂=142,7,1,6.8,1H),1.78(ddt,♂=14.5,7.6,

6.0,1H),1.81(ddt,」=14,5,7.1,5,5,1H),,2,31(dd,♂=6.0,5,5,2H),2.75(dddd,

み7.6,7.1,6.8,6.o,1H),3.75(8,3H),5、08(d,♂=17・6,1H),5・09(d,」’=10・4,1H),

5.80(dd』t,♂=17.6,10,4,7.1,1H),6,52(d,♂=8.9,.2H),6,76(d,♂=8.9,2H)

7,16・7.35(m,5H)113CNMR(100MHz,CDC1ゆ:δ32,4,36,2,38.6,53、0,55.9,114.5,

114.9,115,0,117.7,125.9,128,4,134.8,141.9,142.1,152.0;HRMS calcd fbr

ClgH23N281.1780,飾und磁(relativetntensity):281.1765(26),240(100)・

4・Methoxy・ハF(non・1・en・4・yDaniline(4t):IR(neat)3396(w),3100(w),2930(s),

2856(m),1638(w),1618(w),1512(s),1466(m),1441(m),1408(w),1240(s),1180

(m),1042(m),997(w)912(m),818(m)cm』1;1HNMR(400MHz,CDC19:δ0.88(t,

♂=6.8,3H)1,26・1,55(m,8H),2.25(ddd,♂=14,1,7,0,5,9,1H),2,29(ddd,♂=

14,1,7,3,与.9,1H),3.31(q血・t,♂=5.9,1H),3・74(s,3H),5・06(α♂=17・6,1H),

5。07(d,♂=11.0,1H),5.81(dddd,♂ニ17.6,11.0,7,3,7.0,1H),6,54(d,♂ニ8.8,2H),

6.76(d,♂=8.8,2H);13CNMR(100MHz,CDC19:δ14.1,22.7,25,7,32.0,34.4,38.6,

53.6,55.9,114,8,115.0,117.4,135.1,142.1,152.0;HRMS calcd fbr C16H塞NO

247.1936,fbmd並(relativeintensity):247,19i6(M+,100),235(1),232(1)

4・Methoxy・ハ弄(2・methy1・5・hexen・3胡)a曲e(4u):IR(neat)3398(w),2957(m),

2909(m),2872(w),2831(w),1639(w),1618(w),1512(s),1464(m),1441(w),1238

(s),1180(w),1041(s),995(w),914(m),817(s),754(m)cm’1:1H NMR(400MHz,

CDC1ゆ:δ0.93(d,♂=6.8,3H),0,96(d,♂=6,8,3H),1.88(dsept,。β5.1,6,8,1H),

2,17(dt,♂=14.1,7.1,1H),2.30(dt,♂=141,7・1,1H)β・15(d㌻,♂〒5ユ,7・1,3H),

3.73(s,3H),5、04(d,」=10.2,1H),5,06(d,♂=17.1,1H),5,81(dd』t,」=17.1,102,

136

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7,1,1H),6,14(d,♂=8,8,2H),6,75(d,♂=8.8,2H):13C NMR(100MEz,CDC恥:δ

】.8,4,18,6,30.7,35.6,55,9,59.1,114.5,114.6,114.7,1149,116,9,135.7,1425,

151,5:HRMS calcd 長)r C14H21NO 219.1623,丑)un(1 皿プz (relative 血bensity):

219,1622(M+,27),178(100)

ハF(1・Cydohexy1・3・butenyD・4・ar曲dine(4v):IR(KBr)3354(w),2924(s),2849(m),

1508(s),1448(面,1410(w),1287(m),1231(s),1178(w),1097(w),1031(m),1001

(w),912(w),822(m),750(w),702(w)cm’1;1HNMR(400MHz,CDClゆ:δ0,92・1.84

(m,11H),2,19(dt,」’=14.2,7,1,1H),2,32(ddd,♂=14.2,7,1,59,1耳),3.15(dd,♂=

7,1,5.9,1H),3.74(s,3H),5.04(d,♂=10.4,1H),5.05(d,♂=17.5,1H),5,74(ddt,♂

=17,5,10,4,7,1,1H),6.53(己♂=8,9,2H),6.75(α♂:=8.9,2H);13C NMR(100

MHz,CDC1怠):826.5,29.2,29.6,35.9,・41.3,55,8,58.6,1144,零14.9,116.8,135.6,

142.5,151.5;H脚S弓飢c曲rC17H25NO259・1936⑳㎜d酩(rela廿ve血ben磁ty):

259,1921(M+,32),219(17),218(100),176(17)

ハ再(1・(3・CydohexenyD・3・buteny分・4・metihoxyanihne(4w):IR(neat)3396(w)13020

(m),2912(s),2833(m),2343(w)ン1637(w),1618(w),1510(s),1437(m),1408(w),・

1236(s),1180(w),1042(m),997(w),914(m),818(m),731(w)cm’1;1HNMR(400

MHz,CDC19:δ1.24・2.38(m,7H),3.20・3.29(m,2H),3.73(s,3H),5.05(d,♂’=10.6,

1H),5,06(d,♂=17,3,1,7,1H),5.67(s,2H),5.80(ddt,」=17.3,10,6,7,3ユH),6.54

(d,」=8.8,2H),6.75(d,♂=8,8,2H),13C NMR(100MHz,CDClの:δ25.1,25.7,

28.6,35,8,37,4,55.8,57.9,114,5,1149,118,2,117,2,126,2,12710,135.1,135.2,

134.7,151.6;HRMS cε旺cd fbr C17H2ぎNO257,1780,fbund lzヅz(relative intensity):

257.1776(M+,100),256(5),246(1),245(5),233(1)

ハF(1・Cydohex6nylbut・3・enyD・4・metho区yan皿ne(砥):IR(neat)3400〈w),2927(m),

137

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2833(m),1679(w),1639(w),1618(w),1510(s),1439(m),1406(w),1292(m),1236

(s),1178(m),1039(m〉,993(w),918(m),818(m),756(w):1H NMR(400MHz,

CDC13):δ1,44・1,65(m,2H),1,95・2,05(m,2H),2.31(dt,♂=14,3,7,1,1H〉,2,37

(dt,♂=14,3,6,3,1H),3,40・3.62(b鴨1H),3.58(t,♂=6.3,1H),3.73(s,3H),5、08

(dd,♂=10,2,1.7,1H),5,12(d,♂=17,0,1.7,1H),5,67(s,1H),5.77(ddt,♂=17.0,

10,2,7,11H),6,53(dd,♂=6,9,2.22H),6,74(dd,♂:=6,9,2.2,2H),13C NMR(100

MHz,CDCl9:δ22.7,22,8,24.6,25,0,39.2,55,8,59.8,114,5,114.6,114.8,114.9,

117.0,122.9,135.3,137、7,142,0,151.6;HRMS calcd fbr C17H23NO257.1780,

飾md漉(relativeintensity):257.1784(M+,100),256(7),246(1),245(3)

4・Me七hoxy・N・(1・(6,6・dimethylb訟ydo[3.1.1】hept・2・ep・3・y】)but・3・enyl)anihne (4y):

IR(neat)3400(w),2986(s),2912(s),2831(s),1678(w),1639(w),1618(w),1512(s),

1466(m),1440(m〉,1364(w),1240(s),1180(m),1041(s),991(w),916(m),817(s),

758(w)cm’1;1HNMR(300MHz,CDC1ゆ:δone ofisomer O,67(s,3H),0,96(d,♂=

8,5,1H),1,28(s,3H),2,01・2,44(m,7H),3.45・3,65(b鴎1H),3,65(dd,♂=7,3,5.1,l

H),3,72(s,3H),5.09(d,♂=10.2,1H),5,13(d,♂ニ17.3,1H),5,41(s,1H),5,80

(dddd,♂=17.3,10,2,7.3,3.7,1H),6.51(d,♂=8.8,2H),6.72(d,♂=8,8,2H),δ

anotlherisomer O,86(s,3H〉,1ユ8(d,♂・=8.5,l H〉,1.26(s,3H),2.01・2.44(m,7H),

3.45・3,65(b鵯1H),3.59(t,♂=6.1,1H),3.72(s,3H),5.10(d,。同0.2,1H),5,14(d,

」=17.3,1H),5.41(s,1H),5.76(dddd,♂=17.3,10.2,7.3,3.7,1H),6.54(d,」=8.8,

2H),6.71(d,♂=8,8,2H);13CNMR(100MHz,CDC19:δoneofisomer21.426,4,

31.1,31,9,38,1,38.4,4L1,42.8,55,8,58.0,114.5,114.6,114.7,117.4,1179,135.4,

141,9,148.5,151.6;δanother isomer21.6,26,4,31.2,31.7,38ユ,38.5,41.1,432,

55.8,58.1,114,5,114.6,114、7,117.5,117.7,135,3,141.9,147,7,151,7;HRMS calc(1

蝕C2・H27NO297・209鏑m・d・吻(relative加痴nsity):2972096(革+,ユ00),296(5)

138

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ハF(But・3・enyD・4・m就ho翼yaniline(4z);IR(血eat):3387(w),2954(m)ン2870(m),2831

(田),1639(w),1620(w),1512(s),1466(m),1381(w),1242(s),1180(w),ll41(w),

1042(s),918(m),818(s),756(w),715(w):1H・NMR(400MHz,CDC1ゆ:δ2.37(q,

」』6.8,2H),3、14(t,み6,8,3H),3.37(s,1H),3.75(s,3H),5.11(α「赤10.2,1H),5,14(d,

み17,1,1H),5,82(ddt,∂E17,1,10,2,6.8,1H),6,58(d,誇9,0,2H),6,78(d,訴9.0,

2H):13C・NMR(100MHz,6DC1ξ):δ11.6,33.7,43.9,114.2,1148,116.8,135.7,

142.4,152.0:HRMScalc曲rCl1H15NO177,1154,飾mdm/z(relativeintensity):、

177.1130(7),136(100)

4・Metho翼y・ハF(2・methy1・1てpheny1・3・buteny1)aniline(4ab):IR(neaO3396(w),3026

(w),2930(m),1638(w),1512(s),1452(m),1406(w)身1240(m),1178(w),1038(m),

1001(w),918(w),817(m〉,762(m),702(m)cm昌1;1H NMR(400MHz,CDC1ゆ:δ

θ1ηがisomerα99(d,♂ニ7,0,3H),理加somer o.95(d,♂=7.0,3H),2.49(dqフ♂=7.o,

7.3,1H),3,67(s,3H),3.98(d,♂=7.3,1H),釦ケisomer5,16(d,♂=10,3,1H),

卿7i$omer4.88(d,♂=10,3,1H),甜2がisomer5.19(d,♂’=173,1耳),霞卿嘘omer

4.91(d,♂=・17,3,1H),aηがisomer5.76(ddd,♂=17,3,10.3,7,0,1H),研加somer

5.62(ddd,♂=17,3,10,3,7.0,1H),6,42(d,♂=9.0,2H)16.62(α♂=9,0,2H)

7.20・7,36(m,5H);13CNMR(100MHz,CDC1ゆ:δ17.4,45.4,55,7,63。2,1144114.6,

116.0,126.8,127.2,128.1,140.6,141.8,142.7,151.7;HRMS calcd ft)r C18H21NO

267.1623,允㎜d・並z(relative血tensity):267ユ649(M+,12),212(1qO)

4・Me血o翼y・2V(1,2・d‡pheny1・3・buteny1)an皿ne(4ac):IR(neat)3392(w),3028(w),

1624(m),1602(w),1512(s),1452(m),1242(m),1180(m),1036(m),968(w),922

(w),820(m),758(m),700(m)cm-1;1HNMR(400MHz,CDC19:δ3.53(dd,」ニ8.1,

9・q・H)・3・67(q3H),44・(d,♂=8ユ,・H),露is・mer5・32(財=凧1H),

θ躍isomer4.93(d,♂=17,1,1H),aηケisomer5.26(d,♂=102,1H),卿」isomer

139

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5,05(d,♂=10.2,1H),釦が・isomer6.19(ddd,♂=9,0,10,2,17.1,1H),鋼・isomer

5.96(ddd,♂=9.0,10,2,17,1,1H),6,45(d,♂=9.0,2H),6,66(d,♂=9.0,2H〉

6,93・7,24(m,10H)113C NMR(100MEz,CDC19:δ55.4}58.3,63,0,114,3,114,6,

127,2,127,8,128,1,128.3,128.6,140.6,141.4,141,9,144.8,152,0;HRMS calcd長)r

C23H23NO329,1780,長)u11(1nVz(relative intensity):329,1742.(M+,2),212(100)

4Methoxy・ハF(3・:ne七hy1・1・p五eny1・3・butenyDal曲ne(4ad):IR(neat)3393(w),3026

(w),2909(m),1647(碗),1512(s),1452(m),1406(w),1238(怠),1178(w),1040(m),

899(m),820(m),754(m),700(m)cm-1;’H㎜(400MHz,CDC19:δ1・76(s・3H),

2,39(dd,♂=14.2,10,3,1H),2.50(dd,♂=14,2,44,1H),3,69(s,1H),4.31(dd,

♂=10,3,4、4,1H),4。86(s,1H),4,92(s,1H),6.44(d,♂=9,0,2H),6,67(d,」=9.0,2

H),7.22・7.42(m,5H):13C NMR(100MHz,CDC1ゆ:δ21.7,48,1,55.7,56,5,113.8,

114、6,126.1,126,7,128.5,141.7,142.4」44.4,151.9:HRMS cε江cd fbr C18H21耳0

267.123,fb㎜d加z(relativeintensity):267.1649(M+,11),212(100)

ハF(1・phenylbut・3・enyDhexylamine(4a9;IR(neaオ):3332(w),2924(s),2855(m),

1637(w),1602(w),1458(m),1358(w),1126(w),995(w),918(m),756(m),702(s),

648(w);】H・NMR(400MHz,CDC恥:δ0.86(t,赤6.8,3H),1,21・1,44(m,8H),

2.36(dd,赤7,8,6,3,2H),2,41(t,赤7.3,2H),3,63(t,」…・6.3,1H),5,04(d,み10.2,1H),

5.08(d,∂E16.9,1H),5.71(dd』t,み17,2,10,2,7.8,1H),7.21・7.34(m,5H);13C・NMR

(100MHろCD(勘:δ14.0,22.6,27.0,30.1,31.7,43.0,47.7,62.7,117.2,126.7,

127,0,128,1,135.5,144.1;HRMScalc曲rC16H25N231,1987,蝕md血/z(rela廿ve

intensity):231.195(0,4),190(100)

〃皿訊渦e吻1・1Then画ut・3・en・1・血e(50;R血eat):3071(卑),3024(m)・

2932(m),2808(m),1643(w),1604(w),1497(m),1450(m),1366(w),1258(w〉,

140

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1095(m),995(m),918(s),740(m),702(s),656(w),;1H・NMR(400MHろCDOゆ:

δ2,52(ddd,赤14.1,73,6.8,1H),2.76(ddd,赤14,1,7,3,6,8,1H),3.22(d,み142,

1H),3,25(dd,」』14.3,5、1,1H),3.79(d,誇142,1H),3,84(t,み7.3,1H),4,96(d,

み10.2,1H),5,01(αみ17.1,1H),5.11(d,赤10.2,1H),5.16(d,み17,1,1H),5.76

(ddt,み17,1,10.2,6,8,1H),5.84(dddd,赤17.1,10,2,7,3,5,1,1H),7.19・7,35(m,

10H);13C・NMR(100MHろCDC恥:δ36.0,52,4,53,5,63.7,115.8,116.7,126.5,

126.8,127.8,128,0,128.5,128.6,136,4,136.8,139.4,140.3;HRMScalcd伽

C20H23N277,183,飾mdnVz(relativeintensity):277.1$10(1),236(100)

ハFAny1・ハF(1「phenyIbut・3・eny】)hexan・1・amin白(5ag);IR(nea起):3071(w),2932(8),

2855(m),12808(m),1643(w),1450(m),1373(w),1258(m),1096(m),1018(m),910

(m),820(m),748(w),702(m),656(w),;1H・NMR(400MHz,CDC恥:δ0.87(t,

み618,3H),1.22・1.42(m,8H),2.22(ddd,み15.2,7,7,6.0,1H),2.51(ddd,み152,

10,517.7,1H),2.52(ddd,弄142,8.5,6,8,1H),2,65(ddd,み142,6.8,6.3,1H),2.85

(dd,赤14.4,7,1,1H),3,22((1d,」』14.4,5,4,1H),3.76(dd,誘8,5,6.3,1H),4.92(d,

誇10,2,1H),499(d,誘17.1,1H),5.08(d,み10.2,1H),5,14(d,み17,1,1H),5.70

(ddt,赤17,1,10.2,6,8,1H),5.81(dd.dd,」ま17.1,10.2,7.1,5.4,1H),7,25・732(m,

5H);13σNMR(100MHz,CD(勘:δ14.0,22.7,27.0,27.6,31.8,36,4,49,6,53,2,

64.0, 115.7, 116.1, 126.6, 127.7,128,6, 136,5, 137,4, 14Q,4 ;Ii[R鵬 calc(1f受)r

ClgH2gN271.23,fbundm/z(relativeintensity):271.2279(0,9),230(100)

ハFA皿y1・ハF(1・卿ddhexylbut・3・enジ)・4・methoxyan趾ne(5v);IR(nea◎:3071(m),

2924(s),2855(m),1643<w),1512(s),1450(m),1242(s),1080(m),1041(m),995

(w),910(m),810(m),717(w),648(w),;1H・NMR(400MH2,CDC1ゆ:δ0.81・1.82

(m,・・H),琴・28(dd餅・4・6・7・・,5・9,・H),2・43(ddd,甜6,7・0,,5・411H)・3・娼(ddd,

み5.9,5.4,4.1,1H),3,73 (s,3H),3,79(d,み5.4,1H),4.90(d,赤10,2,1H),5,01(d,

141

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み17.3,1H),5,09(d,赤10,4,1H),5.19(d,∂E17,3,1H),5.75(ddt,み17.3,10,2,7.0,

1H),5.77(dddd,∂E17.3,10.4,5.4,1H),6.68(d,赤9.3,2H),6.75(d,み9.3,2H〉;

13σNMR(100MHz,CDC1ゆ:δ26.2,26,3126.5,26,6,31,3,35.3,42,0,47.4,55,7,

65,6, 114,3, 115,2, 115,7, 115.8, 136.8, 137.1, 144.6, 150、8;㎜ calc(1 丑)r

C20H2gNO299,2249,fbmdm/z(relativeintensity):299.2233(65),258(100)

ハFAIly1-4・me七hoxy・2》(non・1・en・4・yDaniHne(5t);IR(neat):3071(m),2931(s),

2855(m),1643(w),1512(s),1458(m)11242(s),1180(w),1103(w),1042(m),995

(w),910(m),810(m),717(w),648(w),;1H・NMR(400MHz,CDC1ξ):δ0,85(t,

み6,8,3H),1.21・1,55(m,8H),2,18(dt,凋41,7.1,1宜),2.32(ddd,み141,7.1,5,3,

1H),3.67(quint,み7.1,1H),3、74(s,3H),3,74(dd,み145,5,3,1H〉13,75(dd,み14,5,

7,1,1H),4.97(d,み10.0,1H〉,5.03(d,」』17.1,1H),5.08(d,み10,2,1H),5.19(d,

赤17,3,1H),5.77(dddd,み17,1,10.0,7,1,5,4,1H),5,78(dddd,み17,3,10.2,7.1,5,1,

1H),6,73(d,み9,4,2H),6,78(d,み9.4,2H);13C・NMR(100MHろCD(瀞:δ14.0,

22.6,26.6,31.9,32,7,37,6,47.0,55,6,60,1,114.3,115.6,116.1,136,5,136.9,1439,

151.3;HRMS cε江cd fbr ClgH2gNO287.2249,fblmd m/z(relative intensity):

287.2248(12),246(100)

ハ汚!皿y1・4・metho岬〃(1・phenylbut・3・enyDanibne(5a);IR(血ea◎:3062(w),2931

(m),1831(w),1639(w),1510(s),1450(m),1417(w),1242(s),1180(m),1042(m),

995(m),916(m)814(m),758(w),700(m):1H・NMR(400MHろCDC恥:δ2,73

(dd.d,∂』14,8,7,3,7.1,1H),2,74(d.dd,み14,8,7,3,6.8,1H),3.59(dd,赤16.3,5,4,

lH),3,69(dd,み16,3,5,4,1H),3.77(s,1H),4。74(t,∂E7,3,1H),5,01(d,み10.3,1H),

5.03(αみ10,3,1H),5.08(d,」ま17,2,1H),5.10(d,。β17,3,1H),5.71(ddt,赤17.2,

10・3,5・4,1H),5・80(dddd,赤172,103,7ユ,6・8,1H)・6・79(d,弄9・3,2H),6・82(d,

誇9.2,2H),7,22・7.32(m,5H):13C・NMR(100MHろCDC1ゆ:δ36,6,50,3,55.5,

142

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64.2,114,1,115.9,116,5,118,9,126,9,127,8,128,0,136.0,136,3,140.8,143ユ,

152.7 :HI㎜ calcd癒r C2(正123NO 293.178,f斐)un(1nyz (relative 血tβnsity) :

293.1776(83),252(100)

Genera1Proced皿eibrthePrepara廿onof1・Pheny1・3・buten・1・amine6;39A

solutioll ofammonium cenum nitrate(15.O mmo1)i皿water(50mL)was added

slowly to a s廿腔ed solution ofhomoallyl amine4ab(3.O mmo1)in aoetonit飢e(60

mL)at room temperat皿e,A銑er2hours,a solution of sat NaHCO3was added

un磁pH6was reached.Then sodium sulfite was added,un飢the mixt皿eあecame

brown suspension.The reaction皿t溢皿e was ex廿acted,with碑hyl acetate andthe

organicphaseswer6mixed and.dhedoverεuihydrous sodium s曲te.The reaction

mixture was then f丑t6red and the solvents were removed.加圏oπo to yield the

crudle prod』uct1・pheny1・3・buten・1・a血ne6,which were pu面ed.by colu皿n

chromatobraphy tD give the p皿e6in50%yield,The stnct皿e of product was

determined.by the companson of the lH-NMR spectrεa data of an authentic

san1Ple.25

143

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恥免rences

1.(a)K16inmam,E.F.;Volkmam,RAIn6b卿勲齢距6㎏”ヒ伽必θ砿s;

 Heathc㏄k,C,H,,Ed.;Pergamom:Oxfbrd,1990;VoL2,p975,(b)Bl㏄h,R

 6始θzη,ノ溢曙 1998,98 1407. (c)Endeτs,D.;Reinhold:U 7葱なahθ0堕oび

 幽躍ηθ妙1997,81895.(d)Yamamoto,Yl;Asao,Nα~αη,危71993,醐

 2207,

2.For recent reviews onε皿yla廿on of㎞nes and aldehydes,see:(a)Puentes,C、

 O.;KouznetsovVJ、漉6㎝㏄圃α~㎝,2002,39,595.(b)Denmark,S.E.;

 A㎞Btead,N.G,h Modem Carbonyl Che血st堀Otera,J Ed.;W丑ey・VHC:

 ,Wbinheim,2000,Chapter10.(c)Ch6mle鵯S.R;Roush,R W In Modem

 CarboIlyl ChemistrX Otera,」1Ed,;W丑ey・VHC:Weinhe土m,2000,Chapter11.

 (d)Kobayashi,S,;Ishitani,H,(班~θ加.。磁膠1999,99,1069.

3,Cou置Dis,G.;Migh五ac,L,Jl O乙騨刀(2zηθゑ0ゐθzη.1974,6旧1.

4.Yanagisawa,A;Yamamoto,H.オ凶㎝αヨβ加α励刎’α2α~θz鍛b螂JAI:

 Greenwich,1996;Vol,2.p87,

5.Katrit乞ky,A.R,;P皿,M,;Lεmg,H.;Anders,Eα~θ1η」弛π1999,9段665,

6,Yamamoto,Y,;Maruyama,K.旋勧o研漉β1982,161357.

7,Ho伍nam,R,孟η蜜陥α~㎝2.,血ゑ撚動μ1982,21,555.

8.YεmamotD,Y,ノ40c(泌θ塑.励鼠1987,20243,

9,Roush,W.R.α2即圏hθ12εi肥αg盟ヒ6如力hθ曲Trost,B,M.,E己;Pergamon:

 NewYork,1991;Vol,2,p1.

10.Nucleoph出c a1].ylation ofhn血e usl血g organometa皿ic reagents,see;(a)Enders,

 D,;Re血hold,U.7b血幼θみon:肋卿θ血y1997,81895, (b)Jolles,P.;

 幽・che1,P♂α9・αら㎝・1999,醒186・(c)WaユgD・K;、Zhgu,Y〈三;H・u,

 X,・L;Dai,L・X.♂6ケ9.α~θ皿ユ1999,644233.(d)Nakεmlura,Kj Nakam皿a,

144

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 H.;Yamamoto,Y.♂6㎏:α2θ■η,1999,642614, (e)Nakam皿a,H,l

 Nakamura,K;Yamamoto,Y♂沼m,α2θm,5乞c.1998,1乏0,4242. (り

 Yamamoto,Y.;Asao,N,α2θm,励π1993,9β2207,(g)Wang D.・K;Dai,

 L,・X.;Hou,X,・L,;Zhang,Y.7わあ訪θ轟oη五θ6孟1996,3Z4187 (h)Negoro,N.;

 Yanada,R;Okεmiwa,M,;Yanada,K;Fujita,T,卿θあ1998,835,(D Itsmo,

 S,;Yokoi,A;Kuroda,S,鋼θ甜1999,1987,G)El・Shehawy,A A;Omara,M

 A;Ito,K.lItsmo,S.鋼θ661998,367.(k)Yanada,R;Negoro,N,;Okaniwa,

 M,汀buka,T,%翻油θ伽η1999,55,13947,(1)Fang,X;Johamsen,M,;Yao,

 S.;Gatherhood,N.;Haze1,R,G.;」のrgensen,K.A,♂αg。α~θm,1999,644844.

11.Pa且adium・medieted nudleoph丑ic allylation of imine with organometε曲lc

 reagents,see;猛mada,R;Kaieda,A;Takemoto,Y♂6㎏:α2㎝.2001,64

 7516

12.Bisallylpε皿adium・mediated nudleoph丑ic a且ylation of imine with

 organometa皿ic reagents,see;(a)Nakε皿mra,H.;Iwama,H.;Yamamoto,Y.♂

 窃η,α2θ1η,5比.1996,1186641.(b)Wa皿ner,0,A,;Szabo’,・K,」1Jl6㎏

 砿θ塑.2003,682934. (c)Sohn,N.;]Kjelgren,」1;Szabo’,K.♂ノh1.(鍛θ妬ロ.5bc

 2004,12617026

13.Indium・mediated nucleophilic a且ylation of imine with anylsilane,see;

 Onishi,Y.lIto,T.lYasuda,M,lBaba,Aπ舳加伽oη、2002,588227,

14.Kimuヱa,M.;Tomizawa,T.;Ho血llo,Y.;Tanaka,S.;Tamaru,Y.π伽hθ協㎝

 Z冶洗,2000,41,3627.

15.Khn皿a,M.;Sh血izu,M,;Shibata,K.;Tazoe,M;Tamaru,Y

 /4η躍四(洗θロ2,」伍欧撚2003,423392,

16,Kimura,M.;Futamata,M.;Shibata,K,;Tamaru,Y.Chem.Comm.,2003,234ゼ

・7・(切Nis噸cb,Y;丁欲uwa・A;N鍵uta,Y;甑u・kaK聯孝θ伽19♀3,42

 7395.(b)Yamamoto,Y;Asao,N.α~6m・励区,1993,9窃2207・

145

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18.Nεよam¶皿a,H.;Iwama,H.;Yamamoto,Y,♂肋.α1θzη.5bc1996,11616641.

19.(a)Tsuji,」1Tねnsition metal reagents and catalysis;wiley:Chichster2000,

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20,Palladiummediated allylation between a且yl alcohol and am血ユe,see:(a)

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 124110968,

21.Without removing watB靖reactions beoome dirty(many tafhng spots on TLC)

 εmdnoallylationμoductsaredetected.

22.For example,in the presence o〔fPd〈PPh3)4(5mo1%)an(l Et2ZI1(240mo1%)血・

 THF(3m1)・πhexane(1,2mD at room temperatu■e,α・andγ・methyla皿yl

 alcohols(1mmo1)react with benzaldehyde(1.2mmoD to provide mixtures of

 aηがaad理zr2・methyl・1・pheny1・3・buten・1・ols in the same ra廿o(2,4:1),皿le

 same reactions with α・ and γ・phenyla皿yl alcohols provide 珈が and

 銀τ1,2・dipheny}3・but£n・1℃ls :hl the same,but 血 higher ratios of 10:1:

 Tanlaru,Y♂Oz・卿o加θ姦Z Oゐθ盟b畝1999,5761215.

23.Itsmo,S,;Watanabe,K,;ItD,K.;El・Shehawy A.A,;Sarhan,A A/4η躍㎎

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24.(a)Hirabayashi,R,;Ogawa,C.;Sugiuヱa,M.Kobayashi,S,♂血,α~θ塑,5比.

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 砒θzη.5bc2003,1%6610.

25・H・茄nam,RW;Endes色1de吟A血θ伽血4α}θ皿1987,2手5・,

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,146

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 2004,622158, (b)Yanada,R;Klaieda,み.;丁欲emotx),Y♂(2乙g、(防θ2皿2001,

 砥7516.

27,Coop鉱1.R;Ghgg Rl MacLachlan,W S,;皿10mton・Pett,M,Sndharan,V Jl

 伽塑・伽α励2・ω塑切㎜・20q2,1372・

28,Khn皿a,M,;Miyachi,A.;Kqlima,K,;Tanε〔ka,S,;Tamaru,Y♂肋、α2am,伽.

 2004,126114360.

29.Crys圃・離aphi6data(exdu血gs伽ct耀e鉛伽rs)伽thes廿uct肥e・f7have

 been deposited.with the Cambridge Crysta皿ographic Data Cen母e as

                  ゴ supplementary publication nαCCDC・256123.Copies of the data can玲e

 obtε丘ned f士ee of charge on apPlication to CCDC,12Union Road,Car血b血dge

 CB21EZ,UK(fax:(+44)1223・336・033;e・ma丑:一),

30.Allylation withε皿y1ε江oohol was reporbed.fbr benzε荘dehyde・imine using an

 umpo1皿1gtechnique ofπ・a且ylpa皿adiumwithindium(1)iodide.Anylbromide,

 iodide,acetate,and carbonate showed good yields;however chlohde and

 alcoholmoderate andpooryields,respectively Seere£26b

31.Boye葛F・D.;Hama,1.%飴lhθゐoη五θ6ム2001,421275,「

32.(a)Nakam皿a,H.;Aoyagi,K.;Sh㎞,Jl・G,¥amamoto,Y♂肋,α~㎝,5わc

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33,Yamasaki,S.;Fuj五,K,;Wada,R;Kanai,M.;Shibasaki,M.♂血■α}㎝.伽

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 循翻ahθ盈切2五θ猛2002,43323.(e)yadaVJS.;ReddylB,VS.;Raj隅AK

147

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35.Akiyama,T;Iwai,よ鋼θ甜1998,273.

36,Kunlar,S.;Kla皿,P,π翻ゐθゐoη加6ゑ2004,45,3413,

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38,Vargas,L Y,;Castelli,M.V、;Kouznetsov,V.V.;Urbh13GJ M.;Lopez,S,N.;

 Sor血10,M.;庖n血,R D,;Ribas,よC.;Zacc㎞oS.及’oo眉g漉Oi(必θヱη.2003,11,

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39.Fustero,S.;Sole鴎」1G.;Bartolome,A,;Rosello,M.S.α客五θ猛2003,5,2707,

148