reporter: qinglan liu supervisor: prof. yong huang 2016-01-25

Post on 19-Jan-2018

224 Views

Category:

Documents

0 Downloads

Preview:

Click to see full reader

DESCRIPTION

3 Introduction  alkenyl and alkynyl functional groups as directing group J. Org. Chem. 1993, 58, 5386 J. Am. Chem. Soc. 2008, 130, 5636 Chem. Commun. 2008, 44, 6013 J. Am. Chem. Soc. 2012, 134, 5738 Chem. –Eur. J. 2014, 20, 385

TRANSCRIPT

Reporter: Qinglan LiuSupervisor: Prof. Yong Huang

2016-01-25

Introduction

General directing group

2

σ-electron donating groups: pyridyl, acetyl, and amide etc

Org. Chem. Front. 2015, 2, 1107

3

Introduction

alkenyl and alkynyl functional groups as directing group

J. Org. Chem. 1993, 58, 5386

J. Am. Chem. Soc. 2008, 130, 5636

Chem. Commun. 2008, 44, 6013

J. Am. Chem. Soc. 2012, 134, 5738

Chem. –Eur. J. 2014, 20, 385

4

Introduction

5

A potent directing group to activate C−H bonds with palladium complexes

As an addition acceptor to form cyclic products.

Introduction

6

Partner I:alkynes

Angew. Chem. Int. Ed. 2015, 54, 3783

7

O

O

No reaction

J. Am. Chem. Soc. 2012, 134, 6124

Partner I:alkynes

8

Partner I:alkynes

9

Partner I:alkynes

10

bulky ligands and substituents on the alkynyl carbon

Partner I:alkynes

11

Partner II: double bonds

One –pot can also be conducted

12

Partner II: double bonds

13

benzoxazinone

Tetrahedron 2015, 71, 4522

Partner II: double bonds

14

Benzoxazinone ring is nearly planar and that the 4-phenyl group is twisted almost perpendicular to the benzoxazinone plane.

Partner II: double bonds

15

Partner II: double bonds

16

sp3 C-H activation

CMD C-H activation

Partner III: Intramolecular insertion

17

Peterson olefination

Partner III: Intramolecular insertion

18

Partner III: Intramolecular insertion

19

Partner III: Intramolecular insertion

20

Partner III: Intramolecular insertion

21

Summary

22

Thanks for Your Attention!

top related