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

Phase transfer catalyzed enantioselective cyclopropanation of 4-nitro-5-styrylisoxazoles

(2012) Claudia Del Fiandra et al.   CHEMICAL COMMUNICATIONS

Nitroolefins as a Nucleophilic Component for Highly Stereoselective Aza Henry Reaction under the Catalysis of Chiral Ammonium Betaines

(2012) Daisuke Uraguchi et al.   CHEMISTRY-A EUROPEAN JOURNAL

Ionic Nucleophilic Catalysis of Chiral Ammonium Betaines for Highly Stereoselective Aldol Reaction from Oxindole-Derived Vinylic Carbonates

(2012) Daisuke Uraguchi et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

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

Chiral quaternary phosphonium salts: a new class of organocatalysts

(2012) Dieter Enders et al.   ORGANIC & BIOMOLECULAR CHEMISTRY

A New Family of Cinchona-Derived Bifunctional Asymmetric Phase-Transfer Catalysts: Application to the Enantio- and Diastereoselective Nitro-Mannich Reaction of Amidosulfones

(2012) Kayli M. Johnson et al.   ORGANIC LETTERS

Investigations Concerning the Syntheses of TADDOL-Derived Secondary Amines and Their Use To Access Novel Chiral Organocatalysts

(2012) Mario Waser et al.   SYNTHESIS-STUTTGART

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

Catalytic asymmetric syntheses of isoxazoline-N-oxides under phase-transfer conditions

(2011) Taichi Kano et al.   CHEMICAL COMMUNICATIONS

Organocatalytic trifluoromethylation of imines using phase-transfer catalysis with phenoxides. A general platform for catalytic additions of organosilanes to imines

(2011) Luca Bernardi et al.   CHEMICAL COMMUNICATIONS

A Systematic Investigation of Quaternary Ammonium Ions as Asymmetric Phase-Transfer Catalysts. Synthesis of Catalyst Libraries and Evaluation of Catalyst Activity

(2011) Scott E. Denmark et al.   JOURNAL OF ORGANIC CHEMISTRY

A Systematic Investigation of Quaternary Ammonium Ions as Asymmetric Phase-Transfer Catalysts. Application of Quantitative Structure Activity/Selectivity Relationships

(2011) Scott E. Denmark et al.   JOURNAL OF ORGANIC CHEMISTRY

Catalytic Asymmetric Synthesis of Axially Chiral o-Iodoanilides by Phase-Transfer Catalyzed Alkylations

(2011) Seiji Shirakawa et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Design, synthesis, and application of tartaric acid derived N-spiroquaternary ammonium salts as chiral phase-transfer catalysts

(2011) Mario Waser et al.   ORGANIC & BIOMOLECULAR CHEMISTRY

Highly enantioselective asymmetric Darzens reactions with a phase transfer catalyst

(2011) Yan Liu et al.   Chemical Science

Catalytic enantioselective electrocyclic cascades

(2011) Eleanor E. Maciver et al.   Chemical Science

Catalytic asymmetric synthesis of 1,1-disubstituted tetrahydro-β-carbolines by phase-transfer catalyzed alkylations

(2010) Seiji Shirakawa et al.   CHEMICAL COMMUNICATIONS

Organocatalytic Asymmetric Cyanosilylation of Nitroalkenes

(2010) Pablo Bernal et al.   CHEMISTRY-A EUROPEAN JOURNAL

Catalytic Asymmetric Synthesis of trans-Configured β-Lactones: Cooperation of Lewis Acid and Ion Pair Catalysis

(2010) Thomas Kull et al.   CHEMISTRY-A EUROPEAN JOURNAL

Catalytic Enantioselective Mannich-Type Reaction with β-Phenyl Sulfonyl Acetonitrile

(2010) Pedro B. González et al.   JOURNAL OF ORGANIC CHEMISTRY

Phase-Transfer Catalyzed Asymmetric Conjugate Additions of β-Ketoesters to Acetylenic Ketones

(2010) Quan Lan et al.   ORGANIC PROCESS RESEARCH & DEVELOPMENT

Performance of C1-symmetric chiral ammonium betaines as catalysts for the enantioselective Mannich-type reaction of α-nitrocarboxylates

(2010) Daisuke Uraguchi et al.   TETRAHEDRON-ASYMMETRY

Flexible synthesis, structural determination, and synthetic application of a new C1-symmetric chiral ammonium betaine

(2009) Daisuke Uraguchi et al.   CHEMICAL COMMUNICATIONS

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

(2009) Xisheng Wang et al.   CHEMICAL COMMUNICATIONS

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

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

Asymmetric Aza-Henry Reaction Under Phase Transfer Catalysis: An Experimental and Theoretical Study

(2008) Enrique Gomez-Bengoa et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Chiral Ammonium Betaines: A Bifunctional Organic Base Catalyst for Asymmetric Mannich-Type Reaction of α-Nitrocarboxylates

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

Fluorine in medicinal chemistry

(2007) Sophie Purser et al.   CHEMICAL SOCIETY REVIEWS