N-Heterocyclic Carbene Catalyzed Generation and [4+2] Annulation of Unsubstituted Dienolate - Enantioselective Synthesis of Spirocyclic Oxindolodihydropyranones

NHC-catalyzed oxidative γ-addition of α,β-unsaturated aldehydes to isatins: a high-efficiency synthesis of spirocyclic oxindole-dihydropyranones

(2014) Rui Liu et al.   ORGANIC & BIOMOLECULAR CHEMISTRY

N-Heterocyclic Carbene/Lewis Acid Strategy for the Stereoselective Synthesis of Spirocyclic Oxindole–Dihydropyranones

(2014) Zhaoxin Xiao et al.   ORGANIC LETTERS

Catalytic Asymmetric α-Aldol Reaction of Vinylogous N-Heterocyclic Carbene Enolates: Formation of Quaternary and Labile Tertiary Stereocenters

(2014) Xiuqin Dong et al.   ORGANIC LETTERS

Bifunctional N-Heterocyclic Carbene-Catalyzed Highly Enantioselective Synthesis of Spirocyclic Oxindolo-β-lactams

(2014) Han-Ming Zhang et al.   ORGANIC LETTERS

Recent Advances in Asymmetric Organocatalytic Construction of 3,3′-Spirocyclic Oxindoles

(2013) Liang Hong et al.   ADVANCED SYNTHESIS & CATALYSIS

Asymmetric Synthesis of Pyrroloindolones by N-Heterocyclic Carbene Catalyzed [2+3] Annulation of α-Chloroaldehydes with Nitrovinylindoles

(2013) Qijian Ni et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Highly Enantioselective γ-Amination by N-Heterocyclic Carbene Catalyzed [4+2] Annulation of Oxidized Enals and Azodicarboxylates

(2013) Xiang-Yu Chen et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Enantioselective N-Heterocyclic Carbene Catalyzed Aza-Benzoin Reaction of Enals with Activated Ketimines

(2013) Li-Hui Sun et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Magnesium(ii)-catalyzed asymmetric hetero-Diels–Alder reaction of Brassard's dienes with isatins

(2013) Jianfeng Zheng et al.   CHEMICAL COMMUNICATIONS

A Dual Lewis Base Activation Strategy for Enantioselective Carbene-Catalyzed Annulations

(2013) Javier Izquierdo et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

N-heterocyclic carbene-catalyzed reactions of C–C unsaturated bonds

(2013) Xiang-Yu Chen et al.   ORGANIC & BIOMOLECULAR CHEMISTRY

Organocatalytic Enantioselective Vinylogous Michael Reaction of Vinylketene Silyl-N,O-Acetals

(2013) Smita Basu et al.   ORGANIC LETTERS

Enantioselective Cycloaddition Reactions of Ketenes Catalyzed by N-Heterocyclic Carbenes

(2013) Song Ye et al.   SYNLETT

An N-Heterocyclic Carbene/Lewis Acid Strategy for the Stereoselective Synthesis of Spirooxindole Lactones

(2012) Julien Dugal-Tessier et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Enantioselective Synthesis of β,γ-Unsaturated α-Fluoroesters Catalyzed by N-Heterocyclic Carbenes

(2012) Yu-Ming Zhao et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Organocatalyzed Michael–Henry reactions: enantioselective synthesis of cyclopentanecarbaldehydes via the dienamine organocatalysis of a succinaldehyde surrogate

(2012) Bor-Cherng Hong et al.   CHEMICAL COMMUNICATIONS

Asymmetric synthesis of a structurally and stereochemically complex spirooxindole pyran scaffold through an organocatalytic multicomponent cascade reaction

(2012) Xin Xie et al.   CHEMICAL COMMUNICATIONS

Isatins As Privileged Molecules in Design and Synthesis of Spiro-Fused Cyclic Frameworks

(2012) Girija S. Singh et al.   CHEMICAL REVIEWS

N-Heterocyclic-Carbene-Catalyzed Reaction of α-Bromo-α,β-Unsaturated Aldehyde or α,β-Dibromoaldehyde with Isatins: An Efficient Synthesis of Spirocyclic Oxindole-Dihydropyranones

(2012) Changsheng Yao et al.   CHEMISTRY-A EUROPEAN JOURNAL

Oxidative γ-Addition of Enals to Trifluoromethyl Ketones: Enantioselectivity Control via Lewis Acid/N-Heterocyclic Carbene Cooperative Catalysis

(2012) Junming Mo et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

N-Heterocyclic carbene-catalyzed cascade annulation reaction of o-vinylarylaldehydes with nitrosoarenes: one-step assembly of functionalized 2,3-benzoxazin-4-ones

(2012) Zhong-Xin Sun et al.   ORGANIC & BIOMOLECULAR CHEMISTRY

Highly Enantioselective Cyclizations of Conjugated Trienes with Low Catalyst Loadings: A Robust Chiral N-Heterocyclic Carbene Enabled by Acetic Acid Cocatalyst

(2012) Guansai Liu et al.   ORGANIC LETTERS

Direct Catalytic Enantioselective Vinylogous Aldol Reaction of α-Branched Enals with Isatins

(2012) Carlo Cassani et al.   ORGANIC LETTERS

NHCs in Asymmetric Organocatalysis: Recent Advances in Azolium Enolate Generation and Reactivity

(2012) Andrew Smith et al.   SYNTHESIS-STUTTGART

Extending NHC-Catalysis: Coupling Aldehydes with Unconventional Reaction Partners

(2011) Akkattu T. Biju et al.   ACCOUNTS OF CHEMICAL RESEARCH

N-Heterocyclic Carbene-Catalyzed Cyclization of Unsaturated Acyl Chlorides and Ketones

(2011) Li-Tao Shen et al.   ADVANCED SYNTHESIS & CATALYSIS

A Highly Regio- and Stereoselective Cascade Annulation of Enals and Benzodi(enone)s Catalyzed by N-Heterocyclic Carbenes

(2011) Xinqiang Fang et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Enantioselective Stetter Reactions of Enals and Modified Chalcones Catalyzed by N-Heterocyclic Carbenes

(2011) Xinqiang Fang et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

N-Heterocyclic Carbene Catalyzed Domino Reactions

(2011) André Grossmann et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Enantioselective Iridium-Catalyzed Vinylogous Reformatsky-Aldol Reaction from the Alcohol Oxidation Level: Linear Regioselectivity by Way of Carbon-Bound Enolates

(2011) Abbas Hassan et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

N-Heterocyclic Carbene and Brønsted Acid Cooperative Catalysis: Asymmetric Synthesis oftrans-γ-Lactams

(2011) Xiaodan Zhao et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Catalytic Asymmetric Intermolecular Stetter Reaction of Enals with Nitroalkenes: Enhancement of Catalytic Efficiency through Bifunctional Additives

(2011) Daniel A. DiRocco et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Enantioselective Diels–Alder Reactions of Enals and Alkylidene Diketones Catalyzed by N-Heterocyclic Carbenes

(2011) Xinqiang Fang et al.   ORGANIC LETTERS

Cooperative Lewis acid/N-heterocyclic carbene catalysis

(2011) Daniel T. Cohen et al.   Chemical Science

Catalytic Asymmetric Synthesis of Oxindoles Bearing a Tetrasubstituted Stereocenter at the C-3 Position

(2010) Feng Zhou et al.   ADVANCED SYNTHESIS & CATALYSIS

Formal [3+2] Cycloaddition of Ketenes and Oxaziridines Catalyzed by Chiral Lewis Bases: Enantioselective Synthesis of Oxazolin-4-ones

(2010) Pan-Lin Shao et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

CooperativeN-Heterocyclic Carbene/Lewis Acid Catalysis for Highly Stereoselective Annulation Reactions with Homoenolates

(2010) Benoit Cardinal-David et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Cooperative catalysis by carbenes and Lewis acids in a highly stereoselective route to γ-lactams

(2010) Dustin E. A. Raup et al.   Nature Chemistry

Enantioselective Gold-Catalyzed Allylic Alkylation of Indoles with Alcohols: An Efficient Route to Functionalized Tetrahydrocarbazoles

(2009) Marco Bandini et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Asymmetric Syntheses of Oxindole and Indole Spirocyclic Alkaloid Natural Products

(2009) Barry Trost et al.   SYNTHESIS-STUTTGART

[4+2] Cycloaddition of Ketenes withN-Benzoyldiazenes Catalyzed by N-Heterocyclic Carbenes

(2008) Xue-Liang Huang et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Synthesis of enantiopure triazolium salts from pyroglutamic acid and their evaluation in the benzoin condensation

(2008) Dieter Enders et al.   TETRAHEDRON-ASYMMETRY