Dipeptide-Derived Multifunctional Quaternary Phosphonium Salt Catalyzed Asymmetric Cyclizations via a Tandem Michael Addition/SN2 Sequence

Catalytic enantioselective synthesis of indanes by a cation-directed 5-endo-trig cyclization

(2015) Craig P. Johnston et al.   Nature Chemistry

Enantioselective synthesis of benzoindolizidine derivatives using chiral phase-transfer catalytic intramolecular domino aza-Michael addition/alkylation

(2015) Jiajia Guo et al.   ORGANIC & BIOMOLECULAR CHEMISTRY

Enantioselective Direct Mannich Reactions of Cyclic β-Ketoesters Catalyzed by Chiral Phosphine via a Novel Dual-Reagent Catalysis

(2015) Yan-Peng Lou et al.   ORGANIC LETTERS

Enantioselective desymmetrization of meso-aziridines with aromatic thiols catalyzed by chiral bifunctional quaternary phosphonium salts derived from α-amino acids

(2015) Jiaxing Zhang et al.   TETRAHEDRON

Synthesis of Spiro[chroman/tetrahydrothiophene-3,3′-oxindole] ScaffoldsviaHeteroatom-Michael-Michael Reactions: Easily Controlled EnantioselectivityviaBifunctional Catalysts

(2014) Youming Huang et al.   ADVANCED SYNTHESIS & CATALYSIS

Asymmetric Michael Addition of Oxindoles to Allenoate Catalyzed byN-Acyl Aminophosphine: Construction of Functionalized Oxindoles with Quaternary Stereogenic Center

(2014) Jinhao Chen et al.   ADVANCED SYNTHESIS & CATALYSIS

Discovery and Application of Doubly Quaternized Cinchona-Alkaloid-Based Phase-Transfer Catalysts

(2014) Bangping Xiang et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Phase-Transfer-Catalyzed Asymmetric SNAr Reaction of α-Amino Acid Derivatives with Arene Chromium Complexes

(2014) Seiji Shirakawa et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Catalytic Enantioselective Alkylation of Sulfenate Anions to Chiral Heterocyclic Sulfoxides Using Halogenated Pentanidium Salts

(2014) Lili Zong et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Catalytic Asymmetric Synthesis of 3,3′-Diaryloxindoles as Triarylmethanes with a Chiral All-Carbon Quaternary Center: Phase-Transfer-Catalyzed SNAr Reaction

(2014) Seiji Shirakawa et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Asymmetric Dual-Reagent Catalysis: Mannich-type Reactions Catalyzed by Ion Pair

(2014) Hong-Yu Wang et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Quinones as Dienophiles in the Diels-Alder Reaction: History and Applications in Total Synthesis

(2014) Christopher C. Nawrat et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Copper-Catalyzed C–H Functionalization Reactions: Efficient Synthesis of Heterocycles

(2014) Xun-Xiang Guo et al.   CHEMICAL REVIEWS

A Base-Free Neutral Phase-Transfer Reaction System

(2014) Seiji Shirakawa et al.   Chemistry-An Asian Journal

An In Situ Directing Group Strategy for Chiral Anion Phase-Transfer Fluorination of Allylic Alcohols

(2014) Weiwei Zi et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Highly enantioselective Michael addition of diethyl malonate to chalcones catalyzed by cinchona alkaloids-derivatived bifunctional tertiary amine-thioureas bearing multiple hydrogen-bonding donors

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

Efficient asymmetric synthesis of spiro-2(3H)-furanones via phase-transfer-catalyzed alkynylation

(2014) Xiangfei Wu et al.   ORGANIC & BIOMOLECULAR CHEMISTRY

Flexible, Phase-Transfer Catalyzed Approaches to 4-Substituted Prolines

(2014) Heather J. Johnston et al.   ORGANIC LETTERS

Asymmetric Phase-Transfer Catalysts Bearing Multiple Hydrogen-Bonding Donors: Highly Efficient Catalysts for Enantio- and Diastereoselective Nitro-Mannich Reaction of Amidosulfones

(2014) Bin Wang et al.   ORGANIC LETTERS

Stereoselective cyclization reactions under phase-transfer catalysis

(2014) Richard Herchl et al.   TETRAHEDRON

Effect of Brønsted acid co-catalyst in asymmetric conjugate addition of 3-aryloxindoles to maleimide under base-free phase-transfer conditions

(2014) Seiji Shirakawa et al.   TETRAHEDRON

Asymmetric phase-transfer reactions under base-free neutral conditions

(2014) Seiji Shirakawa et al.   TETRAHEDRON LETTERS

Amino Acid-Derived Phosphonium Salts-Catalyzed Michael Addition of 3-Substituted Oxindoles

(2013) Xiaoyu Wu et al.   ADVANCED SYNTHESIS & CATALYSIS

Methylene-Bridged Bis(imidazoline)-Derived 2-Oxopyrimidinium Salts as Catalysts for Asymmetric Michael Reactions

(2013) Andrey E. Sheshenev et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Kinetic Resolution of Axially Chiral 2-Amino-1,1′-Biaryls by Phase-Transfer-Catalyzed N-Allylation

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

Recent Developments in Asymmetric Phase-Transfer Reactions

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

Asymmetric Catalytic 1,6-Conjugate Addition/Aromatization ofpara-Quinone Methides: Enantioselective Introduction of Functionalized Diarylmethine Stereogenic Centers

(2013) Wen-Dao Chu et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Thiourea-phosphonium salts from amino acids: cooperative phase-transfer catalysts in the enantioselective aza-Henry reaction

(2013) Dongdong Cao et al.   CHEMICAL COMMUNICATIONS

Catalytic C–C Bond-Forming Multi-Component Cascade or Domino Reactions: Pushing the Boundaries of Complexity in Asymmetric Organocatalysis

(2013) Chandra M. R. Volla et al.   CHEMICAL REVIEWS

Phase-Transfer-Catalyzed Asymmetric Synthesis of Axially Chiral Anilides

(2013) Kun Liu et al.   Chemistry-An Asian Journal

Syntheses and Applications of (Thio)Urea-Containing Chiral Quaternary Ammonium Salt Catalysts

(2013) Johanna Novacek et al.   EUROPEAN JOURNAL OF ORGANIC CHEMISTRY

Construction of a Chiral Quaternary Carbon Center by Catalytic Asymmetric Alkylation of 2-Arylcyclohexanones under Phase-Transfer Conditions

(2013) Taichi Kano et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Phase-transfer-catalysed asymmetric synthesis of tetrasubstituted allenes

(2013) Takuya Hashimoto et al.   Nature Chemistry

Highly Enantioselective Monofluoromethylation of C2-Arylindoles Using FBSM under Chiral Phase-Transfer Catalysis

(2013) Kohei Matsuzaki et al.   ORGANIC LETTERS

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

Novel bifunctional thiourea–ammonium salt catalysts derived from amino acids: application to highly enantio- and diastereoselective aza-Henry reaction

(2013) Hong-Yu Wang et al.   TETRAHEDRON

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

(2013) Seiji Shirakawa et al.   Chemical Science

Asymmetric Intramolecular Oxa-Michael Reactions to Tetrahydrofurans/2H-Pyrans Catalyzed by Primary–Secondary Diamines

(2013) Yingpeng Lu et al.   ACS Catalysis

Enantioselective Addition of Thiols to Imines Catalyzed by Thiourea–Quaternary Ammonium Salts

(2013) Hong-Yu Wang et al.   ACS Catalysis

An Organocatalytic Cascade Strategy for the Enantioselective Construction of Spirocyclopentane Bioxindoles Containing Three Contiguous Stereocenters and Two Spiro Quaternary Centers

(2012) Wangsheng Sun et al.   CHEMISTRY-A EUROPEAN JOURNAL

Highly enantioselective [4 + 2] cycloadditions of allenoates and dual activated olefins catalyzed by N-acyl aminophosphines

(2012) Hua Xiao et al.   ORGANIC & BIOMOLECULAR CHEMISTRY

Formal [4 + 1]- and [5 + 1]-Annulation by an SN2–Conjugate Addition Sequence: Stereoselective Synthesis of Highly Substituted Carbocycles

(2012) Benny Meng Kiat Tong et al.   ORGANIC LETTERS

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

(2011) Taichi Kano et al.   CHEMICAL COMMUNICATIONS

Synthesis of Heterocycles via Electrophilic Cyclization of Alkynes Containing Heteroatom

(2011) Benhur Godoi et al.   CHEMICAL REVIEWS

Efficient organocatalysts derived from simple chiral acyclic amino acids in asymmetric catalysis

(2011) Zhuo Chai et al.   Catalysis Science & Technology

A Tandem Michael-SN2-Mediated General Route to Six-Membered Heterocycles and Carbocycles

(2010) Ananta Kumar Atta et al.   EUROPEAN JOURNAL OF ORGANIC CHEMISTRY

Tandem SN2-Michael addition to vinylogous carbonates for the stereoselective construction of 2,3,3,5-tetrasubstituted tetrahydrofurans

(2010) Santosh J. Gharpure et al.   TETRAHEDRON LETTERS

Utilization of N−X Bonds in The Synthesis of N-Heterocycles

(2009) Satoshi Minakata   ACCOUNTS OF CHEMICAL RESEARCH

Tandem Alkylation−Michael Addition to Vinylogous Carbonates for the Stereoselective Construction of 2,3,3,6-Tetrasubstituted Tetrahydropyrans

(2009) Santosh J. Gharpure et al.   ORGANIC LETTERS

Organocatalytic Asymmetric Domino Reactions: A Cascade Consisting of a Michael Addition and an Aldehyde α-Alkylation

(2008) Dieter Enders et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Catalytic Enantioselective Silylation of Acyclic and Cyclic Triols: Application to Total Syntheses of Cleroindicins D, F, and C

(2008) Zhen You et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Organocatalyzed Highly Enantioselective Michael Additions of Malonates to Enones by Using Novel Primary-Secondary Diamine Catalysts

(2008) Ying-Quan Yang et al.   CHEMISTRY-A EUROPEAN JOURNAL

Catalytic Asymmetric Alkylations of Ketoimines. Enantioselective Synthesis ofN-Substituted Quaternary Carbon Stereogenic Centers by Zr-Catalyzed Additions of Dialkylzinc Reagents to Aryl-, Alkyl-, and Trifluoroalkyl-Substituted Ketoimines

(2008) Peng Fu et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Ag-Catalyzed Diastereo- and Enantioselective Vinylogous Mannich Reactions of α-Ketoimine Esters. Development of a Method and Investigation of its Mechanism

(2008) Laura C. Wieland et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY