Multicatalyst System in Asymmetric Catalysis JIAN ZHOU MULTICATALYST SYSTEM IN ASYMMETRIC CATALYSIS Dedicatedtomyfamily MULTICATALYST SYSTEM IN ASYMMETRIC CATALYSIS JIANZHOU ShanghaiKeyLaboratoryofGreenChemistryandChemicalProcesses DepartmentofChemistry EastChinaNormalUniversity Shanghai,China Copyright©2015byJohnWiley&Sons,Inc.Allrightsreserved. PublishedbyJohnWiley&Sons,Inc.,Hoboken,NewJersey. PublishedsimultaneouslyinCanada. 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I.Zhou,Jian,1974- QD262.Z462015 541′.395–dc23 2015017810 PrintedintheUnitedStatesofAmerica 10 9 8 7 6 5 4 3 2 1 CONTENTS Preface xi Contributors xiv 1 TowardIdealAsymmetricCatalysis 1 JianZhouandJin-ShengYu 1.1 Introduction, 1 1.2 ChallengestoRealizeIdealAsymmetricCatalysis, 7 1.3 Solutions, 13 1.4 BorrowIdeasfromNature, 22 1.5 Conclusion, 32 References, 32 2 MulticatalystSystem 37 Zhong-YanCao,FengZhu,andJianZhou 2.1 Introduction, 37 2.2 ModelsofSubstrateActivation, 42 2.2.1 TheActivationofElectrophiles, 43 2.2.2 TheActivationofNucleophiles, 54 2.2.3 SOMOCatalysis, 64 2.3 EarlyExamplesoftheApplicationofMulticatalystSystemin AsymmetricCatalysis, 66 2.4 AGeneralIntroductionofMulticatalyst-PromotedAsymmetric Reactions, 85 v vi CONTENTS 2.5 ClassificationofMulticatalyst-PromotedAsymmetricReactions, 95 2.6 ChallengesandPossibleSolutions, 97 2.7 MulticatalystSystemVersusMultifunctionalCatalyst, 103 2.8 MulticatalystSystemVersusAdditives-EnhancedCatalysis, 105 2.9 Additive-EnhancedCatalysis, 107 2.9.1 Nitrogen-containingOrganobase, 109 2.9.2 InorganicBases, 111 2.9.3 H O, 114 2 2.9.4 MolecularSievesandDehydrators, 120 2.9.5 N-oxide,P-oxide,andAs-oxide, 125 2.9.6 AlcoholsandPhenols, 129 2.9.7 AmmoniumHalidesandMetalHalides, 133 2.9.8 Amides, 137 2.9.9 BrønstedAcidsandLewisAcids, 140 2.9.10 TwoorMoreAdditivesTogether, 144 2.10 Conclusion, 147 References, 148 3 AsymmetricMultifunctionalCatalysis 159 Jin-ShengYuand JianZhou 3.1 Introduction, 159 3.2 AsymmetricMultifunctionalOrganocatalysis, 164 3.2.1 H-BondDonor–TertiaryAmineCatalysis, 165 3.2.2 H-BondDonor–EnamineCatalysis, 193 3.2.3 H-BondDonor–PhaseTransferCatalysis, 203 3.2.4 H-BondDonor–TertiaryPhosphineCatalysis, 209 3.2.5 ChiralPhosphoricAcidCatalysis, 214 3.2.6 AsymmetricBifunctionalSaltCatalysis, 217 3.2.7 Miscellaneous, 222 3.3 AsymmetricHybridOrgano/MetalCatalysis, 227 3.3.1 BrønstedBase/LewisAcidBifunctionalCatalysis, 228 3.3.2 LewisBase/LewisAcidBifunctionalCatalysis, 233 3.3.3 BrønstedAcid/LewisAcidBifunctionalCatalysis, 236 3.3.4 Enamine/LewisAcidBifunctionalCatalysis, 238 3.3.5 HemilableTrisoxazolines, 240 3.4 AsymmetricMultifunctionalMultimetallicCatalysis, 242 3.4.1 AsymmetricMultifunctionalHeteromultimetallic Catalysis, 243 3.4.2 AsymmetricMultifunctionalHomomultimetallic Catalysis, 251 3.5 Anion-EnabledBifunctionalAsymmetricCatalysis, 259 3.5.1 AmmoniumFluoridesorMetalFluorides, 262 3.5.2 MetalPhosphates, 265 3.5.3 MetalCarboxylates, 265 CONTENTS vii 3.5.4 AmmoniumorMetalAryloxides, 269 3.5.5 HydroxidesandAlkoxides, 271 3.5.6 MetalAmides, 276 3.6 Conclusion, 277 References, 277 4 AsymmetricCooperativeCatalysis 291 LongChen,Yun-LinLiu,andJianZhou 4.1 Introduction, 291 4.2 CatalyticAsymmetricMichaelAdditionReaction, 292 4.2.1 CombiningMultipleMetalCatalysts, 292 4.2.2 CombiningTwoDistinctOrganocatalysts, 293 4.2.3 CombiningMetalCatalystwithOrganocatalyst, 297 4.3 CatalyticAsymmetricMannichReaction, 299 4.3.1 CombiningLewisAcidCatalystandBrønstedBase Catalyst, 300 4.3.2 CombiningBrønstedAcidCatalystandLewisAcid Catalyst, 301 4.3.3 CombiningBrønstedAcidCatalystandSecondary AmineCatalyst, 303 4.4 CatalyticAsymmetricConia-EneReaction, 304 4.4.1 CombiningChiralLewisAcidandAchiralLewisAcid, 304 4.4.2 CombiningChiralBrønstedBaseandAchiralLewisAcid, 306 4.5 CatalyticAsymmetricUmpolungReaction, 307 4.5.1 CombiningNHCCatalystandLewisAcidCatalyst, 307 4.5.2 CombiningNHCCatalystandBrønstedAcidCatalyst, 313 4.6 CatalyticAsymmetricCyanosilylationReaction, 315 4.7 α-AlkylationReactionofCarbonylCompounds, 317 4.7.1 α-AlkylationofCarbonylCompoundsusingAlcohols asAlkylationReagents, 317 4.7.2 α-AlkylationofCarbonylCompoundsthroughBenzylic C HBondOxidation, 325 4.8 CatalyticAsymmetricAllylicAlkylationReaction, 326 4.8.1 CombiningAchiralTransitionMetalwithChiral LUMO-LoweringCatalysis, 327 4.8.2 CombiningChiralTransitionMetalCatalysiswith AchiralOrganocatalyst, 331 4.9 CatalyticAsymmetricAldol-TypeReaction, 335 4.10 CatalyticAsymmetric(Aza)-Morita–Baylis–HillmanReaction, 338 4.10.1 ChiralLewisBase/AchiralAcidCocatalyzed (aza)-MBHReaction, 341 4.10.2 AchiralLewisBase/ChiralAcidCocatalyzed (aza)-MBHReaction, 342 4.11 CatalyticAsymmetricHydrogenationReaction, 346 viii CONTENTS 4.12 CatalyticAsymmetricCycloadditionReaction, 350 4.12.1 [2+2]Reaction, 351 4.12.2 [4+2]Reaction, 352 4.13 CatalyticAsymmetricN HInsertionReaction, 356 4.14 CatalyticAsymmetricα-FunctionalizationofAldehydes, 358 4.15 MiscellaneousReaction, 360 4.16 Conclusion, 364 References, 365 5 AsymmetricDoubleActivationCatalysisbyMulticatalystSystem 373 LongChen,Zhong-YanCao,andJianZhou 5.1 Introduction, 373 5.2 DoubleActivationbyAminocatalysisandLewisBaseCatalysis, 374 5.3 AsymmetricDoublePrimaryAmineandBrønstedAcidCatalysis, 378 5.3.1 Diels–Alder(DA)Reaction, 379 5.3.2 MichaelAddition, 379 5.3.3 Epoxidation, 386 5.3.4 MiscellaneousReaction, 390 5.4 AsymmetricDoubleMetalandBrønstedBaseCatalysis, 391 5.4.1 [3+2]Cycloaddition, 392 5.4.2 AldolReaction, 396 5.4.3 MiscellaneousReactions, 399 5.5 AsymmetricH-BondDonorCatalysisandLewisBaseCatalysis, 401 5.6 SequentialDoubleActivationCatalysis, 404 5.7 Conclusion, 408 References, 408 6 AsymmetricAssistedCatalysisbyMulticatalystSystem 411 Xing-PingZengandJianZhou 6.1 Introduction, 411 6.2 AsymmetricAssistedCatalysiswithinAcidsandBases, 414 6.2.1 AcidAssistedAcidCatalysis, 415 6.2.2 BaseAssistedBrønstedAcidCatalysis, 433 6.2.3 LewisBaseAssistedBrønstedBaseCatalysis, 435 6.2.4 AcidAssistedBaseCatalysis, 437 6.2.5 Miscellaneous, 439 6.3 ModulationofaMetalComplexbyaChiralLigand, 443 6.3.1 ModulationofaChiralMetalComplexwithaChiral Ligand, 444 6.3.2 AsymmetricDeactivation,Activation,and Deactivation/Activation, 451 6.3.3 AsymmetricActivationofRacemicCatalystsBearing TroposLigand, 460
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