Enantioselective Base-Free Electrophilic Amination of Benzofuran-2(3H)-ones: Catalysis by Binol-Derived P-Spiro Quaternary Phosphonium Salts

Highly Enantioselective Michael Addition Reactions of 3-Substituted Benzofuran-2(3H)-ones to Chalcones Catalyzed by a Chiral Alkyl-Substituted Thiourea

(2010) Xin Li et al.   ADVANCED SYNTHESIS & CATALYSIS

Chiral Amine Thiourea-Promoted Enantioselective Michael Addition Reactions of 3-Substituted Benzofuran-2(3H)-ones to Maleimides

(2010) Xin Li et al.   JOURNAL OF ORGANIC CHEMISTRY

Phosphonium Salts as Chiral Phase-Transfer Catalysts: Asymmetric Michael and Mannich Reactions of 3-Aryloxindoles

(2009) Rongjun He et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Cinchona-based phase-transfer catalysts for asymmetric synthesis

(2009) Sang-sup Jew et al.   CHEMICAL COMMUNICATIONS

Diastereo- and Enantioselective Direct Henry Reaction of Pyruvates Mediated by Chiral P-Spiro Tetraaminophosphonium Salts

(2009) Daisuke Uraguchi et al.   CHEMISTRY LETTERS

Chiral Arylaminophosphonium Barfates as a New Class of Charged Brønsted Acid for the Enantioselective Activation of Nonionic Lewis Bases

(2009) Daisuke Uraguchi et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Generation of Chiral Phosphonium Dialkyl Phosphite as a Highly ReactiveP-Nucleophile: Application to Asymmetric Hydrophosphonylation of Aldehydes

(2009) Daisuke Uraguchi et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Benzotrifuranone: Synthesis, Structure, and Access to Polycyclic Heteroaromatics

(2009) Yan Li et al.   ORGANIC LETTERS

Binaphthyl-Modified Quaternary Phosphonium Salts as Chiral Phase-Transfer Catalysts: Asymmetric Amination of β-Keto Esters

(2008) Rongjun He et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Site-Directed Asymmetric Quaternization of a Peptide Backbone at a C-Terminal Azlactone

(2008) Daisuke Uraguchi et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Synthesis of Enantiopure 1-r-Alkyl-2-c,5-t-Diphenylphospholanes and Phospholanium Salts through Direct Alkylation of Phospholane

(2008) Cristian Dobrota et al.   EUROPEAN JOURNAL OF ORGANIC CHEMISTRY

Chiral Tetraaminophosphonium Carboxylate-Catalyzed Direct Mannich-Type Reaction

(2008) Daisuke Uraguchi et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY