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Career Review of Dean Toste
I
2015/9/9
Zhi Ren
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Introduction
• F. Dean Toste, now in UC Berkeley
• Career:
Full Professor since 2009-now
Associate Professor 2006-2009
Assistant Professor 2002-2006
Faculty Scientist Lawrence National Lab Since 2007
• Education:
B.Sc&M.Sc in University of Toronto with Prof. Ian Still (1989-95)
Ph.D. in Stanford University with Prof. Barry M. Trost (1995-2000)
Postdoc in CalTech with Prof. Robert H. Grubbs (2000-2002)
• Place of Birth:
Portugal, then moved to Canada
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Introduction
• Publications:
• Ph.D.12 papers
• Postdoc 1 paper
• Independent career: 163 papers so far
• Gold related: 79 papers
• Chiral anion phase transfer related: 19 papers
• Over 73 papers are assymmetric transformations
• TM involved: Au, Ag, Pd, Re, Ru, Ga, V, Co, Cu
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Chiral Anion Phase Transfer Catalysis
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Asymmetric Ring Opening
Hamilton, G. L.; Kanai, T.; Toste, F. D. J. Am. Chem. Soc. 2008, 130, 14984.
• Ring Opening of Aziridinium
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Asymmetric Ring Opening
Hamilton, G. L.; Kanai, T.; Toste, F. D. J. Am. Chem. Soc. 2008, 130, 14984.
• React with Racemic Nucleophile
• Ring Opening of Episulfonium Ions
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Asymmetric Additions to Dienes
Shapiro, N. D.; Rauniyar, V.; Hamilton, G. L.; Wu, J.; Toste, F. D. Nature 2011, 470, 245.
• Intramolecular Hydroamination
Reactions were run in fluorobenzene for 48 h using 10% catalyst, with 4 A MS
most cases
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Asymmetric Electrophilic Fluorination
Rauniyar, V.; Lackner, A. D.; Hamilton, G. L.; Toste, F. D. Science 2011, 334, 1681.
• Asymmetric Fluorocyclization
2b
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Asymmetric Electrophilic Fluorination
Rauniyar, V.; Lackner, A. D.; Hamilton, G. L.; Toste, F. D. Science 2011, 334, 1681.
• Proposed Mechanism for Asymmetric Fluorocyclization
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Asymmetric Electrophilic Halogenation
Wang, Y. M.; Wu, J.; Hoong, C.; Rauniyar, V.; Toste, F. D. J. Am. Chem. Soc. 2012, 134, 12928.
• Prepare the Halogenation Reagents
• Scope of Enantioselective Bromocyclization
solvent = p-Xyl/hex (1:1)
base = Na3PO4
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Asymmetric Electrophilic Halogenation
Wang, Y. M.; Wu, J.; Hoong, C.; Rauniyar, V.; Toste, F. D. J. Am. Chem. Soc. 2012, 134, 12928.
• Prepare the Halogenation Reagents
• Scope of Enantioselective Iodocyclization
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Asymmetric Fluorination of Enamides
Phipps, R. J.; Hiramatsu, K.; Toste, F. D. J. Am. Chem. Soc. 2012, 134, 8376.
• Scope of the Reaction
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Asymmetric a-Fluorination of Cyclohexanones
Yang, X. Y.; Phipps, R. J.; Toste, F. D. J. Am. Chem. Soc. 2014, 136, 5225.
• Proposed Mechanism
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Asymmetric a-Fluorination of Cyclohexanones
Yang, X. Y.; Phipps, R. J.; Toste, F. D. J. Am. Chem. Soc. 2014, 136, 5225.
• Reaction Scopes
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Asymmetric Oxyfluorination of Enamides
Honjo, T.; Phipps, R. J.; Rauniyar, V.; Toste, F. D. Angew. Chem. Int. Ed. 2012, 51, 9684.
• Scope of the Reaction
Water comes from Selectfluor!
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Asymmetric Fluorinative Dearomatization
Phipps, R. J.; Toste, F. D. J. Am. Chem. Soc. 2013, 135, 1268.
• Scope of the ortho-Fluorinative Dearomatization Reaction
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Asymmetric Fluorinative Dearomatization
Phipps, R. J.; Toste, F. D. J. Am. Chem. Soc. 2013, 135, 1268.
• Scope of the para-Fluorinative Dearomatization Reaction
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Asymmetric Fluoroamination of Conjugated Dienes
Shunatona, H. P.; Fruh, N.; Wang, Y. M.; Rauniyar, V.; Toste, F. D. Angew. Chem. Int. Ed. 2013, 52, 7724.
• 1,4-Difunctionalization of Conjugated Dienes
R-catalyst for this reaction
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Asymmetric Fluoroamination of Conjugated Dienes
Shunatona, H. P.; Fruh, N.; Wang, Y. M.; Rauniyar, V.; Toste, F. D. Angew. Chem. Int. Ed. 2013, 52, 7724.
• 1,4-Difunctionalization of Conjugated Dienes
Z-diastereomer give no reactivity,
as the A1,3 strain in TS will increase.
R-catalyst for this reaction
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Directed Asymmetric Fluorination of Alkenes
• Steric Factors for Amide DGs on % ee
Wu, J.; Wang, Y. M.; Drljevic, A.; Rauniyar, V.; Phipps, R. J.; Toste, F. D. Proc. Natl. Acad. Sci. 2013, 110, 13729.
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Directed Asymmetric Fluorination of Alkenes
• Reaction Scope
Wu, J.; Wang, Y. M.; Drljevic, A.; Rauniyar, V.; Phipps, R. J.; Toste, F. D. Proc. Natl. Acad. Sci. 2013, 110, 13729.
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Directed Asymmetric Fluorination of Alkenes
• Phenol as DG
Wu, J.; Wang, Y. M.; Drljevic, A.; Rauniyar, V.; Phipps, R. J.; Toste, F. D. Proc. Natl. Acad. Sci. 2013, 110, 13729.
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Directed Asymmetric Fluorination of Alkenes
Wu, J.; Wang, Y. M.; Drljevic, A.; Rauniyar, V.; Phipps, R. J.; Toste, F. D. Proc. Natl. Acad. Sci. 2013, 110, 13729.
• Possible Mechanisms
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In Situ Directed Fluorination of Allylic Achohols
Zi, W. W.; Wang, Y. M.; Toste, F. D. J. Am. Chem. Soc. 2014, 136, 12864.
• Reaction Design
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In Situ Directed Fluorination of Allylic Achohols
Zi, W. W.; Wang, Y. M.; Toste, F. D. J. Am. Chem. Soc. 2014, 136, 12864.
• Preliminary Results
• Boronic Acid Monoester-Directed Transformation
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In Situ Directed Fluorination of Allylic Achohols
Zi, W. W.; Wang, Y. M.; Toste, F. D. J. Am. Chem. Soc. 2014, 136, 12864.
• Reaction Scope
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In Situ Directed Fluorination of Allylic Achohols
Zi, W. W.; Wang, Y. M.; Toste, F. D. J. Am. Chem. Soc. 2014, 136, 12864.
• Two Possible Mechanisms
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Asymmetric Cross-Dehydrogenative Coupling
Neel, A. J.; Hehn, J. P.; Tripet, P. F.; Toste, F. D. J. Am. Chem. Soc. 2013, 135, 14044.
• Existing Phosphoric Acids
• Catalyst Library of Phosphoric Acids Containing Triazole
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Asymmetric Cross-Dehydrogenative Coupling
Neel, A. J.; Hehn, J. P.; Tripet, P. F.; Toste, F. D. J. Am. Chem. Soc. 2013, 135, 14044.
• Design Principles
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Asymmetric Cross-Dehydrogenative Coupling
Neel, A. J.; Hehn, J. P.; Tripet, P. F.; Toste, F. D. J. Am. Chem. Soc. 2013, 135, 14044.
• Selected Optimization Data
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Asymmetric synthesis of C3-Diazenated
Pyrolodindolines
Nelson, H. M.; Reisberg, S. H.; Shunatona, H. P.; Patel, J. S.; Toste, F. D. Angew. Chem. Int. Ed. 2014, 53, 5600.
• Reaction Scope
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Asymmetric a-Amination of 1,3-Dicarbonyl
Compound
Nelson, H. M.; Patel, J. S.; Shunatona, H. P.; Toste, F. D. Chem. Sci. 2015, 6, 170.
• Few Examples
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Asymmetric a-Amination of 1,3-Dicarbonyl
Compound
Nelson, H. M.; Patel, J. S.; Shunatona, H. P.; Toste, F. D. Chem. Sci. 2015, 6, 170.
• More Interesting Reactions
PHMS
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Asymmetric a-Amination of Cyclic Ketones
Yang, X. Y.; Toste, F. D. J. Am. Chem. Soc. 2015, 137, 3205.
• Introduction
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Asymmetric a-Amination of Cyclic Ketones
Yang, X. Y.; Toste, F. D. J. Am. Chem. Soc. 2015, 137, 3205.
• Substrate Scope
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Asymmetric a-Amination of Cyclic Ketones
Yang, X. Y.; Toste, F. D. J. Am. Chem. Soc. 2015, 137, 3205.
• Substrate Scope
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Asymmetric a-Amination of Cyclic Ketones
Yang, X. Y.; Toste, F. D. J. Am. Chem. Soc. 2015, 137, 3205.
• Substrate Scope of Kinetic Resolution and Asymmetric Amination of a-
Branched Cyclic Ketones
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Combine Chiral Anion with Copper (II)
Rauniyar, V.; Wang, Z. J.; Burks, H. E.; Toste, F. D. J. Am. Chem. Soc. 2011, 133, 8486.
• Copper (II) catalyzed Furan Synthesis
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Combine Chiral Anion with Pd
Nelson, H. M.; Williams, B. D.; Miro, J.; Toste, F. D. J. Am. Chem. Soc. 2015, 137, 3213.
• Enantioselective 1,1-Arylborylation of Alkenes
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Combine Chiral Anion with Pd
Nelson, H. M.; Williams, B. D.; Miro, J.; Toste, F. D. J. Am. Chem. Soc. 2015, 137, 3213.
• Proposed Mechanism
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Combine Chiral Anion with Pd
Nelson, H. M.; Williams, B. D.; Miro, J.; Toste, F. D. J. Am. Chem. Soc. 2015, 137, 3213.
• Enantioselective Scope
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Redox Chemistry
• Vanadium-Catalyzed Oxidation
• Vanadium-Catalyzed Reduction
• Rhenium-Catalyzed Reduction
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Vanadium-Catalyzed Oxidation
Blanc, A.; Toste, F. D. Angew. Chem. Int. Ed. 2006, 45, 2096.
• Enantioselective synthesis of Cyclic Ethers
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Vanadium-Catalyzed Oxidation
Radosevich, A. T.; Musich, C.; Toste, F. D. J. Am. Chem. Soc. 2005, 127, 1090.
• Asymmetric Oxidation of a-Hydroxy Esters
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Vanadium-Catalyzed Reduction
La Pierre, H. S.; Arnold, J.; Toste, F. D. Angew. Chem. Int. Ed. 2011, 50, 3900.
• Z-Selective Hydrogenation of Alkynes
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Vanadium-Catalyzed Reduction
La Pierre, H. S.; Arnold, J.; Toste, F. D. Angew. Chem. Int. Ed. 2011, 50, 3900.
• Mechanism
k[1,2]>>ks
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Rhenium-Catalyzed Reduction
2. Nolin, K. A.; Ahn, R. W.; Toste, F. D. J. Am. Chem. Soc. 2005, 127, 12462.
• 1. Reduction of Aldehydes
• 2. Enantioselective Reduction of Imines
1. Kennedy-Smith, J. J.; Nolin, K. A.; Gunterman, H. P.; Toste, F. D. J. Am. Chem. Soc. 2003, 125, 4056.
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Rhenium-Catalyzed Reduction
Nolin, K. A.; Krumper, J. R.; Pluth, M. D.; Bergman, R. G.; Toste, F. D. J. Am. Chem. Soc. 2007, 129, 14684.
• Mechanisms
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Palladium Chemistry
• Enyne Cyclization Reactions
• Conia Ene Reactions
• Coupling Reaction
• Palladium Nanoparticle Catalyst
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1,6-Enyne Cyclization Reactions
Brazeau, J. F.; Zhang, S. Y.; Colomer, I.; Corkey, B. K.; Toste, F. D. J. Am. Chem. Soc. 2012, 134, 2742.
• Pd-Cyclization of Silyloxy-1,6-enynes
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Thanks for Your Time!
• Portugal Equals
Dean Toste Egg Tarts
To Me