A Base-Free Neutral Phase-Transfer Reaction System

Efficient Access to Trifluoromethyl Diarylpyrrolines and their N-Oxides through Enantioselective Conjugate Addition of Nitromethane to β,β-Disubstituted Enones

(2013) Hiroyuki Kawai et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Recent Developments in Asymmetric Phase-Transfer Reactions

(2013) Seiji Shirakawa et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Design of Chiral Bifunctional Quaternary Phosphonium Bromide Catalysts Possessing an Amide Moiety

(2013) Seiji Shirakawa et al.   ORGANIC LETTERS

Phase-Transfer-Catalyzed Asymmetric Conjugate Cyanation of Alkylidenemalonates with KCN in the Presence of a Brønsted Acid Additive

(2013) Yan Liu et al.   ORGANIC LETTERS

Efficient approach for the design of effective chiral quaternary phosphonium salts in asymmetric conjugate additions

(2013) Seiji Shirakawa et al.   Chemical Science

Asymmetric Michael Addition of N-Boc-Protected Oxindoles to Nitroalkenes Catalyzed by a Chiral Secondary Amine

(2012) Chuan Wang et al.   CHEMISTRY-A EUROPEAN JOURNAL

New Neutral Reaction System with Crown Ether-KCl Complexes in Aqueous Solution

(2012) Seiji Shirakawa et al.   CHEMISTRY-A EUROPEAN JOURNAL

Bifunctional Chiral Quaternary Ammonium Salt Catalysts: A Rapidly Emerging Class of Powerful Asymmetric Catalysts

(2012) Johanna Novacek et al.   EUROPEAN JOURNAL OF ORGANIC CHEMISTRY

The direct catalytic asymmetric aldol reaction of α-substituted nitroacetates with aqueous formaldehyde under base-free neutral phase-transfer conditions

(2012) Seiji Shirakawa et al.   ORGANIC & BIOMOLECULAR CHEMISTRY

Hydrolytic Enantioselective Protonation of Cyclic Dienyl Esters and a β-Diketone with Chiral Phase-Transfer Catalysts

(2012) Eiji Yamamoto et al.   ORGANIC LETTERS

Asymmetric Neutral Amination of Nitroolefins Catalyzed by Chiral Bifunctional Ammonium Salts in Water-Rich Biphasic Solvent

(2011) Lijia Wang et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Structural Study-Guided Development of Versatile Phase-Transfer Catalysts for Asymmetric Conjugate Additions of Cyanide

(2011) Brian A. Provencher et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Diastereo- and enantioselective conjugate addition of α-substituted nitroacetates to maleimides under base-free neutral phase-transfer conditions

(2011) Seiji Shirakawa et al.   CHEMICAL COMMUNICATIONS

Amino-Indanol-Catalyzed Asymmetric Michael Additions of Oxindoles to Protected 2-Amino-1-nitroethenes for the Synthesis of 3,3′-Disubstituted Oxindoles Bearing α,β-Diamino Functionality

(2011) Xiong-Li Liu et al.   JOURNAL OF ORGANIC CHEMISTRY

Diastereo- and Enantioselective Conjugate Addition of 3-Substituted Oxindoles to Nitroolefins Catalyzed by a Chiral Ni(OAc)2-Diamine Complex under Mild Conditions

(2011) Yan-Yan Han et al.   ORGANIC LETTERS

Hydroxymethylation of α-substituted nitroacetates

(2011) Cong-Bin Ji et al.   TETRAHEDRON LETTERS

Cinchona alkaloid-based phosphoramide catalyzed highly enantioselective Michael addition of unprotected 3-substituted oxindoles to nitroolefins

(2011) Miao Ding et al.   Chemical Science

Recent advances in organocatalytic asymmetric Michael reactions

(2011) Yong Zhang et al.   Catalysis Science & Technology

Asymmetric Michael Addition Reaction of 3-Substituted Oxindoles to Nitroolefins Catalyzed by a Chiral Alkyl- Substituted Thiourea Catalyst

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

Highly practical amino acid and alkaloid synthesis using designer chiral phase transfer catalysts as high-performance organocatalysts

(2010) Keiji Maruoka   CHEMICAL RECORD

The direct catalytic asymmetric aldol reaction

(2010) Barry M. Trost et al.   CHEMICAL SOCIETY REVIEWS

Organocatalytic Michael addition of unprotected 3-substituted oxindoles to nitroolefins

(2010) Miao Ding et al.   ORGANIC & BIOMOLECULAR CHEMISTRY

Cinchona-based phase-transfer catalysts for asymmetric synthesis

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

Chiral bifunctional phase transfer catalysts for asymmetric fluorination of β-keto esters

(2009) Xisheng Wang et al.   CHEMICAL COMMUNICATIONS

Green Chemistry: Principles and Practice

(2009) Paul Anastas et al.   CHEMICAL SOCIETY REVIEWS

Organocatalytic Asymmetric Aza-Michael Additions

(2009) Dieter Enders et al.   CHEMISTRY-A EUROPEAN JOURNAL

Enantioselective Base-Free Phase-Transfer Reaction in Water-Rich Solvent

(2009) Rongjun He et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Thiourea-Catalyzed Highly Enantio- and Diastereoselective Additions of Oxindoles to Nitroolefins: Application to the Formal Synthesis of (+)-Physostigmine

(2009) Tommy Bui et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

A Homodinuclear Mn(III)2−Schiff Base Complex for Catalytic Asymmetric 1,4-Additions of Oxindoles to Nitroalkenes

(2009) Yuko Kato et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Recent advances and applications in asymmetric aza-Michael addition chemistry

(2009) Palakodety Radha Krishna et al.   TETRAHEDRON

Combinatorial Design of Simplified High-Performance Chiral Phase-Transfer Catalysts for Practical Asymmetric Synthesis of α-Alkyl- and α,α-Dialkyl-α-Amino Acids

(2008) Masanori Kitamura et al.   Chemistry-An Asian Journal

Practical Aspects of Recent Asymmetric Phase-Transfer Catalysis

(2008) Keiji Maruoka   ORGANIC PROCESS RESEARCH & DEVELOPMENT

Combinatorial approach for the design of new, simplified chiral phase-transfer catalysts with high catalytic performance for practical asymmetric synthesis of α-alkyl-α-amino acids

(2008) Masanori Kitamura et al.   TETRAHEDRON LETTERS