Catalytic enantioselective construction of quaternary stereocenters by direct vinylogous Michael addition of deconjugated butenolides to nitroolefins

Asymmetric assembly of 2-oxindole and α-angelica lactone units to construct vicinal quaternary chiral centers

(2012) Xin Huang et al.   CHEMICAL COMMUNICATIONS

Organocatalytic sequential α-aminoxylation and cis-Wittig olefination of aldehydes: synthesis of enantiopure γ-butenolides

(2012) Dattatray A. Devalankar et al.   TETRAHEDRON-ASYMMETRY

The Direct Asymmetric Vinylogous Aldol Reaction of Furanones with α-Ketoesters: Access to Chiral γ-Butenolides and Glycerol Derivatives

(2011) Jie Luo et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Highly enantioselective organocascade intermolecular iminium/enamine Michael addition on enals

(2011) Adrien Quintard et al.   CHEMICAL COMMUNICATIONS

Enantioselective synthesis of all-carbon quaternary stereogenic centers in acyclic systems

(2011) Jaya Prakash Das et al.   CHEMICAL COMMUNICATIONS

The Vinylogous Aldol and Related Addition Reactions: Ten Years of Progress†

(2011) Giovanni Casiraghi et al.   CHEMICAL REVIEWS

Recent advances in enantioselective organocatalyzed anhydride desymmetrization and its application to the synthesis of valuable enantiopure compounds

(2011) María D. Díaz de Villegas et al.   CHEMICAL SOCIETY REVIEWS

The Organocatalytic Vinylogous Aldol Reaction: Recent Advances

(2011) Sunil V. Pansare et al.   CHEMISTRY-A EUROPEAN JOURNAL

Asymmetric Olefin Isomerization of Butenolides via Proton Transfer Catalysis by an Organic Molecule

(2011) Yongwei Wu et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Enantioselective Acylation of Silyl Ketene Acetals through Fluoride Anion-Binding Catalysis

(2011) James A. Birrell et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Organocatalytic Asymmetric Neber Reaction for the Synthesis of 2H-Azirine Carboxylic Esters

(2011) Shota Sakamoto et al.   ORGANIC LETTERS

Enantioselective Direct Vinylogous Michael Addition of Functionalized Furanones to Nitroalkenes Catalyzed by an Axially Chiral Guanidine Base

(2011) Masahiro Terada et al.   ORGANIC LETTERS

Catalytic Asymmetric Vinylogous Mannich-type (AVM) Reaction of Nonactivated α-Angelica Lactone

(2011) Lin Zhou et al.   ORGANIC LETTERS

Catalytic Enantioselective Synthesis of Naturally Occurring Butenolides viaHetero-Allylic Alkylation and Ring Closing Metathesis

(2011) Bin Mao et al.   ORGANIC LETTERS

Highly Enantioselective Direct Vinylogous Michael Addition of γ-Butenolide to Enals

(2011) Adrien Quintard et al.   ORGANIC LETTERS

Asymmetric organocatalytic reactions by bifunctional amine-thioureas

(2011) Woon-Yew Siau et al.   Catalysis Science & Technology

Asymmetric Direct Vinylogous Aldol Reaction of Furanone Derivatives Catalyzed by an Axially Chiral Guanidine Base

(2010) Hitoshi Ube et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Development of Chiral Thiourea Catalysts and Its Application to Asymmetric Catalytic Reactions

(2010) Yoshiji Takemoto   CHEMICAL & PHARMACEUTICAL BULLETIN

Efficient direct asymmetric vinylogous Michael addition reactions of γ-butenolides to chalcones catalyzed by vicinal primary-diamine salts

(2010) Junfeng Wang et al.   CHEMICAL COMMUNICATIONS

Direct Asymmetric Allylic Alkylation of Butenolides with Morita−Baylis−Hillman Carbonates

(2010) Hai-Lei Cui et al.   ORGANIC LETTERS

Cinchona Alkaloids in Asymmetric Organocatalysis

(2010) Tommaso Marcelli et al.   SYNTHESIS-STUTTGART

Direct Asymmetric Michael Addition to Nitroalkenes: Vinylogous Nucleophilicity under Dinuclear Zinc Catalysis

(2009) Barry M. Trost et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Synthesis of 5,5-Disubstituted Butenolides Based on a Pd-Catalyzed γ-Arylation Strategy

(2009) Alan M. Hyde et al.   ORGANIC LETTERS

Advances in Exploring Heterocyclic Dienoxysilane Nucleophiles in Asymmetric Synthesis

(2009) Giovanni Casiraghi et al.   SYNLETT

Organocatalytic Formation of Quaternary Stereocenters

(2009) Marco Bella et al.   SYNTHESIS-STUTTGART

Asymmetric catalysis with bifunctional cinchona alkaloid-based urea and thiourea organocatalysts

(2008) Stephen J. Connon   CHEMICAL COMMUNICATIONS

Direct Catalytic Asymmetric Mannich-Type Reactions of γ-Butenolides: Effectiveness of Brønsted Acid in Chiral Metal Catalysis

(2008) Akitake Yamaguchi et al.   ORGANIC LETTERS