David W.C. MacMillan: Career-in-Review

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David W.C. MacMillan: Career-in-ReviewYan XuDong Group MeetingJan. 2, 2014

David W.C. MacMillan: A Brief Introduction Career Title1968 Born in Bellshill, Scotland.1987-1991 Undergraduate degree in chemistry atthe University of Glasgow.1991-1996 Doctoral studies with Professor Larry E.Overman at the University of California, Irvine.1996-1998 Postdoctoral studies with Professor DavidEvans at the Harvard University.July 1998 Dave began his independent researchcareer at the University of California, Berkeley.June 2000 Joined the department of chemistry at CITJune 2006 Appointed as the A. Barton HepburnProfessor of Chemistry at Princeton University. James S. McDonnell Distinguished UniversityProfessor of Chemistry at Princeton University. Chairperson of the Department of Chemistryat Princeton University. Director of the Merck Center for Catalysis atPrinceton University.2010 - Present Chemical Science[Editor-in-Chief]

Content1LUMO CatalysisHOMO Catalysis2Cascade LUMO-HOMO Catalysis3SOMO Catalysis4Photoredox Organo Catalysis567Photoredox Organo Catalysis (Type II)Summary

Content1LUMO CatalysisHOMO Catalysis2Cascade LUMO-HOMO Catalysis3SOMO Catalysis4Photoredox Organo Catalysis567Photoredox Organo Catalysis (Type II)Summary

The First Highly Enantioselective Organocatalytic Diels-Alder Reactions two way to lower the LUMO of the enal system designed reaction cycleJ. Am. Chem. Soc. 2000, 122, 4243-4244

The First Highly Enantioselective Organocatalytic Diels-Alder Reactions12 examples,85-96% ee,72-99% yield origin of chiral controlE isomerJ. Am. Chem. Soc. 2000, 122, 4243-4244

The First Highly Enantioselective Organocatalytic Diels-Alder Reactions12 examples,85-96% ee,72-99% yield origin of chiral controlShield the Re faceE isomerJ. Am. Chem. Soc. 2000, 122, 4243-4244

The First Highly Enantioselective Organocatalytic Diels-Alder Reactions synthesis of SolanapyroneJ. Am. Chem. Soc., 2005, 127, 11616-11617

Highly enantioselective [3 2] cycloaddition reaction nitrone as the sustrate screening of catalystJ. Am. Chem. Soc. 2000, 122, 9874-9875

Highly enantioselective [3 2] cycloaddition reaction nitrone as the sustrate screening of catalystJ. Am. Chem. Soc. 2000, 122, 9874-9875

Highly enantioselective [3 2] cycloaddition reaction nitrone as the sustrate screening of catalystJ. Am. Chem. Soc. 2000, 122, 9874-9875

Highly enantioselective [3 2] cycloaddition reaction nitrone as the sustrate screening of the acid cocatalystJ. Am. Chem. Soc. 2000, 122, 9874-9875

The First Enantioselective Organocatalytic Friedel-Crafts Alkylation very sensitive to the cocatalystJ. Am. Chem. Soc. 2001, 123, 4370-4371

The First Enantioselective Organocatalytic Friedel-Crafts Alkylation 1,2-addtion is highly prohibited by the catalystcalculated iminium ion modelJ. Am. Chem. Soc. 2001, 123, 4370-4371

Enantioselective Indole Alkylation previous reaction initial trialHigh yieldGood ee valueJ. Am. Chem. Soc. 2001, 123, 4370-4371Sluggish reactionPoor ee valueJ. Am. Chem. Soc., 2002, 124, 1172-1173

Enantioselective Indole Alkylation previous reaction initial trialHigh yieldGood ee valueJ. Am. Chem. Soc. 2001, 123, 4370-4371Sluggish reactionPoor ee valueJ. Am. Chem. Soc., 2002, 124, 1172-1173

faster iminium formation increased Si-face coverageJ. Am. Chem. Soc., 2002, 124, 1172-1173

faster iminium formation increased Si-face coverage& unhindered Re-faceJ. Am. Chem. Soc., 2002, 124, 1172-1173

Enantioselective Indole Alkylation with new catalystJ. Am. Chem. Soc., 2002, 124, 1172-1173

Other Enantioselective Friedel-Crafts Type Alkylations aniline as nucleophile25 examples, 66-97% yield, 84-97 % eeJ. Am. Chem. Soc., 2002, 124, 7894-7895 silyloxy furan as nucleophileDBNA 2,4-dinitrobenzoic acid (DBNA)12 examples, 80-93% yield, 90-99 % eeJ. Am. Chem. Soc., 125, 1192-1194 (2003

Other Enantioselective Friedel-Crafts Type Alkylations aniline as nucleophile25 examples, 66-97% yield, 84-97 % eeJ. Am. Chem. Soc., 2002, 124, 7894-7895 silyloxy furan as nucleophileDBNA 2,4-dinitrobenzoic acid (DBNA)12 examples, 80-93% yield, 90-99 % eeJ. Am. Chem. Soc., 2003, 125, 1192-1194

Other Enantioselective Friedel-Crafts Type Alkylations Trifluoroborate salts (Molander reagent) as nucleophile91 % yield, 95 % ee85 % yield, 95 % eeJ. Am. Chem. Soc., 2007, 129, 15438-15439

The First General Enantioselective Catalytic Diels-Alder Reaction with Simpleα,β-Unsaturated Ketones regular chiral metal catalyst is difficult to distinguish the two asymmetric lone pair catalyst screening78-92 % yield,85-98 % eeJ. Am. Chem. Soc., 2002, 124, 2458-2460

Organic Catalyzed Reduction in Biological SystemsJ. Am. Chem. Soc., 2005, 127, 32-33

Enantioselective Organocatalytic Hydride Reduction Hantzsch ester: analogue of NADH LUMO lowing amine catalyst: analogue of enzyme catalyst screeningJ. Am. Chem. Soc., 127, 32-33 (2005)

Enantioselective Organocatalytic Hydride Reduction Hantzsch ester: analogue of NADH LUMO lowing amine catalyst: analogue of enzyme catalyst screeningJ. Am. Chem. Soc., 2005, 127, 32-33

Enantioselective Organocatalytic Hydride Reduction Hantzsch ester: analogue of NADH LUMO lowing amine catalyst: analogue of enzyme substrate scope research:strong chiral control ability95 % yield, 91 % eeJ. Am. Chem. Soc., 2005, 127, 32-33

Enantioselective Organocatalytic Hydride Reduction Hantzsch ester: analogue of NADH LUMO lowing amine catalyst: analogue of enzyme In 2006, further expanded to cyclic enone substrate!12 examples (5-7 member rings)70-89 % yield, 88-96 % eeJ. Am. Chem. Soc., 2006, 128, 12662-12663

Enantioselective Cyclopropanation Reaction Catalyst screening:only L-proline gives the desired product! Why?poor Z/Econtrolelectrostaticdirecting effectJ. Am. Chem. Soc., 2005, 127, 3240-3241

Enantioselective Cyclopropanation Reaction Catalyst screening:only L-proline gives the desired product! Why?poor Z/Econtrolelectrostaticdirecting effectJ. Am. Chem. Soc., 2005, 127, 3240-3241

Enantioselective Cyclopropanation Reaction Catalyst screening:only L-proline gives the desired product! Why?single Zisomerelectrostaticdirecting effectJ. Am. Chem. Soc., 2005, 127, 3240-3241

Enantioselective Cyclopropanation Reaction Catalyst screening:only L-proline gives the desired product! Why?single Zisomerelectrostaticdirecting effectJ. Am. Chem. Soc., 2005, 127, 3240-3241

Enantioselective Amination Reaction Iminum catalyzed amination requires selective amine partition Carbamate is good, but with poor nucleophilicity Carbamate nucleophilicity enhanced by α-effect92 % yield, 92 % eeJ. Am. Chem. Soc., 2006, 128, 9328-9329

Enantioselective Amination Reaction Iminum catalyzed amination requires selective amine partition Carbamate is good, but poor nucleophilicity Carbamate nucleophilicity enhanced by α-effect92 % yield, 92 % eeJ. Am. Chem. Soc., 2006, 128, 9328-9329

Content1LUMO CatalysisHOMO Catalysis2Cascade LUMO-HOMO Catalysis3SOMO Catalysis4Photoredox Organo Catalysis567Photoredox Organo Catalysis (Type II)Summary

Content1LUMO CatalysisHOMO Catalysis2Cascade LUMO-HOMO Catalysis3SOMO Catalysis4Photoredox Organo Catalysis567Photoredox Organo Catalysis (Type II)Summary

Enantioselective Aldol Reaction Aldehyde dimerization91 % yield, 3:1 dr, 99 % ee Aldehyde cross-aldol reaction: with non-enaminizable aldehydesyringe pumpaddition87 % yield, 14:1 dr, 99 % ee81 % yield,3:1 dr, 99 % ee80 % yield,24:1 dr, 98 % eeJ. Am. Chem. Soc., 2002, 124, 6798-6799

Enantioselective Aldol Reaction Aldehyde dimerization91 % yield, 3:1 dr, 99 % ee Aldehyde cross-aldol reaction: with non-enaminizable aldehydesyringe pumpaddition87 % yield, 14:1 dr, 99 % ee81 % yield,3:1 dr, 99 % ee80 % yield,24:1 dr, 98 % eeJ. Am. Chem. Soc., 2002, 124, 6798-6799

Enantioselective Aldol Reaction:Further Expansion α-Oxy-aldehyde dimerization73 % yield, 4:1 dr, 98 % ee Cross-aldol reaction: with non-enaminizable aldehyde75 % yield, 4:1 dr, 99 % eeHere as Aldol acceptorDiffers with metal mediated reactionAngew. Chem. Int. Ed. 2004, 43, 2152 –2154Angew. Chem. Int. Ed. 2004, 43, 6722-6724

Enantioselective Aldol Reaction:Further Expansion2 monosaccharide synthesis!Science, 2004, 305, 1752-1755

Enantioselective Aldol Reaction:Further Expansion2 monosaccharide synthesis!Science, 2004, 305, 1752-1755

Enantioselective Aldol Reaction:Further Expansion2 monosaccharide synthesis!Science, 2004, 305, 1752-1755

HOMO Catalysis: other than Aldolα-Oxidation of Aldehydes8 examples,76-95 % yield, 97-99 % eeJ. Am. Chem. Soc., 2003, 125, 10808-10809α-Chlorination of Aldehydes7 examples,71-92 % yield, 87-95 % eeJ. Am. Chem. Soc., 2004, 126, 4108-4109

HOMO Catalysis: other than Aldolα-Oxidation of Aldehydes8 examples,76-95 % yield, 97-99 % eeJ. Am. Chem. Soc., 2003, 125, 10808-10809α-Chlorination of Aldehydesthe Leckta quinone7 examples,71-92 % yield, 87-95 % eeJ. Am. Chem. Soc., 2004, 126, 4108-4109

HOMO Catalysis: other than Aldolα-Fluorination of Aldehydes54-96% yield, 91-99% eeJ. Am. Chem. Soc., 2005, 127, 8826-8828For the α-Fluorination of cyclic ketoneusing cinchonine-type catalyst, see:J. Am. Chem. Soc., 2011, 133, 1738-1741α-Trifluoromethylation of AldehydesTogni reagent70-87% yield, 93-97% eeJ. Am. Chem. Soc., 2010, 132, 4986-4987

HOMO Catalysis: other than Aldolα-Fluorination of Aldehydes54-96% yield, 91-99% eeJ. Am. Chem. Soc., 2005, 127, 8826-8828For the α-Fluorination of cyclic ketoneusing cinchonine-type catalyst, see:J. Am. Chem. Soc., 2011, 133, 1738-1741α-Trifluoromethylation of AldehydesTogni reagent70-87% yield, 93-97% eeJ. Am. Chem. Soc., 2010, 132, 4986-4987

HOMO Catalysis: other than Aldolα-Oxidation of Aldehydes49-80% yield, 32--90% ee

HOMO Catalysis: other than Aldolα-Oxidation of Aldehydes49-80% yield, 32--90% eeBaerends, E. J. Inorg.Chem. 2009, 48, 11909J. Am. Chem. Soc., 2010, 132, 10012-10014

HOMO Catalysis: other than Aldolα-Arylation of Aldehydesdiphenyl iodonium22 examples, 90-94% eeJ. Am. Chem. Soc., 2011, 133, 4260-4263

diphenyl iodonium22 examples, 90-94% ee proposed mechanismFor studies on the mechanismof copper-catalyzed arylation,see:(a) Lockhart, T. P. J. Am.Chem. Soc. 1983, 105,1940.(b) Beringer, F. M.; Geering, E.J.; Kuntz, I.; Mausner, M. J.Phys. Chem. 1956, 60,141.J. Am. Chem. Soc., 2011, 133, 4260

diphenyl iodonium22 examples, 90-94% ee Further expansion to ester and amide substrate: the use of enolsilaneenolsilaneX OR, NR2chiral Cu(I) saltno chiral amine catalyst94% yield, 93% ee79% yield, 90% eeJ. Am. Chem. Soc., 2011, 133, 13782-13785

Not belong to the HOMO catalysis, but stongly related: using indole as the nucleophile instead of enolsilanechiral Cu(I) salt Similar mechanism:J. Am. Chem. Soc., 2012, 134, 10815-10818

HOMO catalysis: Further developmentα-Arylation of Aldehydesdiphenyl iodonium22 examples, 90-94% eeα-vinylationof Aldehydesα-Vinylationof Aldehydes Identical catalyst combination18 examples, 91-99% ee Substrate scope& CuBr Vinyl hypervalent iodideJ. Am. Chem. Soc., 2012, 134, 9090-9093

HOMO catalysis: Further development Combination of vinyl boronic acid and O280% yield, 95% ee73% yield, 90% eeJ. Am. Chem. Soc., 2013, 135, 11756-11759

Not belong to the HOMO catalysis, but stongly related: Same strategy: Cu salt organic feedstock O2 Proposed Mechanism: Substrate scope91% yield67% yield90% yieldJ. Am. Chem. Soc., 2013, 135, 16074-16077

Content1LUMO CatalysisHOMO Catalysis2Cascade LUMO-HOMO Catalysis3SOMO Catalysis4Photoredox Organo Catalysis567Photoredox Organo Catalysis (Type II)Summary

Content1LUMO CatalysisHOMO Catalysis2Cascade LUMO-HOMO Catalysis3SOMO Catalysis4Photoredox Organo Catalysis567Photoredox Organo Catalysis (Type II)Summary

Cascade Catalysis: Merging HOMO and LUMO Activation Imidazolldinones: Organocatalysts for HOMO or LUMO Activation Cascade Catalysis: Merging HOMO and LUMO Activation with one catalystJ. Am. Chem. Soc., 2005, 127, 15051-15053

Cascade Catalysis: Merging HOMO and LUMO ActivationJ. Am. Chem. Soc., 2005, 127, 15051-15053

Cascade Catalysis: Enantioselective β-aryl-α-chlorination86% yield, 99% ee, 14:1 dr Substrate scopeJ. Am. Chem. Soc., 2005, 127, 15051-15053

Cascade Catalysis: Enantioselective β-aryl-α-chlorination86% yield, 99% ee, 14:1 dr Substrate scopeLarge Bn-indole side chain:Higher shield of the upward sideovercome the substrate control in the second catalytic circleJ. Am. Chem. Soc., 2005, 127, 15051-15053

Cascade Catalysis: Enantioselective β-aryl-α-chlorination86% yield, 99% ee, 14:1 dr Substrate scopeJ. Am. Chem. Soc., 2005, 127, 15051-15053

Cascade Catalysis: More reaction types Modular combination of proline and Macmillan amine Macmillan amine: Iminium catalyst Proline: Enamine catalystAngew. Chem. Int. Ed., 2009, 48, 4349-4353

Cascade Catalysis: More reaction types Modular combination of proline and Macmillan amineCombination A : R, RCombination B : R, SAngew. Chem. Int. Ed., 2009, 48, 4349-4353

Combination A : R, RCombination B : R, SEnantioselective Hydro-Amination:Enantioselective Hydro-Oxidation:Angew. Chem. Int. Ed.,2009, 48, 4349

Content1LUMO CatalysisHOMO Catalysis2Cascade LUMO-HOMO Catalysis3SOMO Catalysis4Photoredox Organo Catalysis567Photoredox Organo Catalysis (Type II)Summary

Content1LUMO CatalysisHOMO Catalysis2Cascade LUMO-HOMO Catalysis3SOMO Catalysis4Photoredox Organo Catalysis567Photoredox Organo Catalysis (Type II)Summary

HOMO catalyst: inefficient with some nucleophile Potential issues for enantioselective alkylation using HOMO catalysisinsufficient edensity to reactwith sp3ekectrophilesufficient edensity to reactwith sp2ekectrophile

New Idea: SOMO catalysis after a SET processSEToxidantHOMOphile(allyl bromide)SOMOphile(allyl silane) SOMO intermediate: same chiral control as HOMO intermediateScience, 2007, 316, 582-585

New Idea: SOMO catalysis after a SET processHOMOphile(allyl bromide)SOMOphile(allyl silane) SOMO intermediate: same chiral control as HOMO intermediateScience, 2007, 316, 582-585

New Idea: SOMO catalysis after a SET processHOMOphile(allyl bromide)SOMOphile(allyl silane) SOMO intermediate: same chiral control as HOMO intermediateScience, 2007, 316, 582-585

New Idea: SOMO catalysis after a SET processHOMOphile(allyl bromide)SOMOphile(allyl silane) SOMO intermediate: same chiral control as HOMO intermediateScience, 2007, 316, 582-585

SOMO catalysis: Enantioselective Aldehyde α-Allylation CAN: selective oxidant Reaction condition:Substrate scope:Science, 2007, 316, 582-585

SOMO catalysis: Enantioselective Aldehyde α-Allylation CAN: selective oxidant Reaction condition:Substrate scope:Science, 2007, 316, 582-585

SOMO catalysis: the proof of the machenism

SOMO catalysis: the proof of the machenism Radical-Cation Intermediate?Radical Clock Experiment 1:Radical Clock Experiment 2:

SOMO catalysis: the proof of the machenism Radical-Cation Intermediate?Radical Clock Experiment 1:Radical Clock Experiment 2:

SOMO catalysis: the proof of the machenism Radical or Carbocation?radical clock & “cation clock”

SOMO catalysis: the proof of the machenism Radical or Carbocation?Experiment result: radical-pathway product

SOMO catalysis: the proof of the machenism Radical or Carbocation?Experiment result: radical-pathway product

SOMO catalysis: the proof of the machenism Second SET oxidation?

SOMO catalysis: the proof of the machenismSOMOphile:electron rich nucleophile with the abilityto stablized a new generated radicalFor the intramolecular version, see:Chem. Sci., 2011, 2, 1470-1473For the SOMO allylation of cyclic ketone, see:Proc. Nat. Acad. Sci. USA,2010, 107, 20648-20651

SOMO catalysis: More than allylationAldehyde α-enolation85% yield, 90% eeAldehyde α-vinylationJ. Am. Chem. Soc., 2007, 129, 7004-700572% yield, 94% eeJ. Am. Chem. Soc., 2008, 130, 398-399Styrene carbo-oxidation93% yield, 96% eeJ. Am. Chem. Soc., 2008, 130, 16494-16495For the styrene carbo-amination, see: J. Am. Chem. Soc., 2012, 134, 11400-11403

SOMO catalysis: More than allylationEpoxidation85% yield, 95% eeAngew. Chem. Int. Ed., 2009, 48, 5121-5124α-Arylation86% yield, 95% eeJ. Am. Chem. Soc., 2009, 131, 11640-11641α-Nitroalkylation73% yield, 87% ee, dr 6:1J. Am. Chem. Soc., 2009, 131, 11332-11334

SOMO catalysis: More than allylationPolyene cyclization11 contiguous stereocenters62% yieldEnantioenriched polycyclo Propagating species is radical: alternating polarity favors cyclizationJ. Am. Chem. Soc., 2010, 132, 5027-5029For an extremely similar intramolecular homo-ene reaction of aldehyde, see:J. Am. Chem. Soc., 2013, 135, 9358-9361

SOMO catalysis: Nature of Intermediates in Organo-SOMO Catalysis Calculation study SOMO orbital is mainly on the β-carbon can be best characterized as an alkyl radical conjugated to an iminium cation consistent with the previous mechanism hypothesisJ. Am. Chem. Soc., 2010, 132, 6106-6110

SOMO catalysis: Nature of Intermediates in Organo-SOMO Catalysis Calculation study SOMO orbital is mainly on the β-carbon can be best characterized as an alkyl radical conjugated to an iminium cation consistent with the previous mechanism hypothesisJ. Am. Chem. Soc., 2010, 132, 6106-6110

SOMO catalysis: Nature of Intermediates in Organo-SOMO Catalysis Calculation study SOMO orbital is mainly on the β-carbon can be best characterized as an alkyl radical conjugated to an iminium cation consistent with the previous mechanism hypothesisJ. Am. Chem. Soc., 2010, 132, 6106-6110

Content1LUMO CatalysisHOMO Catalysis2Cascade LUMO-HOMO Catalysis3SOMO Catalysis4Photoredox Organo Catalysis567Photoredox Organo Catalysis (Type II)Summary

Content1LUMO CatalysisHOMO Catalysis2Cascade LUMO-HOMO Catalysis3SOMO Catalysis4Photoredox Organo Catalysis567Photoredox Organo Catalysis (Type II)Summary

New Catalysis:Merge the Organo Catalyst and the Photo Redox Catalyst Enantioselective Catalytic Carbonyl α-Alkylation: A brief design hvEnamine(SOMOphile) Alkyl radicalScience, 2008, 322, 77-80

New Catalysis:Merge the Organo Catalyst and the Photo Redox CatalystRu(bpy)32 *excited ligand-based stateScience, 2008, 322, 77-80

New Catalysis:Merge the Organo Catalyst and the Photo Redox Catalyst Enantioselective Catalytic Carbonyl α-AlkylationCatalyst Combination Substrate scope93% yield, 90% ee84% yield, 96% ee80% yield, 92% eeScience, 2008, 322, 77-80

Enantioselective Photo-redox Organo CatalysisEnantioselective α-trifluoromethylation79% yield, 99% ee61% yield, 93% ee89% yield, 99% eeJ. Am. Chem. Soc., 2009, 131, 10875-10877

Enantioselective Photo-redox Organo CatalysisEnantioselective α-trifluoromethylationJ. Am. Chem. Soc., 2009, 131, 10875-10877Enantioselective α-benzylationfac-Ir(ppy)3Reductive potentialfor excited state:E1/2 -1.73V substrate: only electron deficient aromatic compoundJ. Am. Chem. Soc., 2010, 132, 13600-13603

Enantioselective Photo-redox Organo CatalysisEnantioselective α-trifluoromethylationJ. Am. Chem. Soc., 2009, 131, 10875-10877Racemic α-trifluoromethylation: Start from enolsilaneamideesterketone76 %85 %72 %Angew. Chem. Int. Ed., 2011, 50, 6119-6122

Enantioselective Photo-redox Organo CatalysisEnantioselective α-amination18 examples, 86-94% ee ODNs 2,4-dinitrophenylsulfonyloxy, a photolabile LG CO2R1 CO2Me, CBz, Boc Mechanism:For the direct Couplingof α-Carbonyls withFunctionalized Amines,see:J. Am. Chem. Soc.,2013, 135, 1607416077J. Am. Chem. Soc., 2013, 135, 11521-11524

Content1LUMO CatalysisHOMO Catalysis2Cascade LUMO-HOMO Catalysis3SOMO Catalysis4Photoredox Organo Catalysis567Photoredox Organo Catalysis (Type II)Summary

Content1LUMO CatalysisHOMO Catalysis2Cascade LUMO-H

David W.C. MacMillan: A Brief Introduction 1968 Born in Bellshill, Scotland. 1996-1998 Postdoctoral studies with Professor David Evans at the Harvard University. Career 2010 - Present Chemical Science [Editor -in Chief] Title

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