Synthesis and bifunctional asymmetric organocatalysis of helical poly(phenylacetylene)s bearing cinchona alkaloid pendants via a sulfonamide linkage

Advances and Applications in Organocatalytic Asymmetric aza-Michael Addition

(2012) Jun Wang et al.   ChemCatChem

Enantioseparation on Helical Poly(phenylacetylene)s Bearing Cinchona Alkaloid Pendants as Chiral Stationary Phases for HPLC

(2012) Yuki Naito et al.   CHEMISTRY LETTERS

Enhanced Catalyst Activity and Enantioselectivity with Chirality-Switchable Polymer Ligand PQXphos in Pd-Catalyzed Asymmetric Silaborative Cleavage of meso-Methylenecyclopropanes

(2012) Yuto Akai et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Helical Polymer as Mimetic Enzyme Catalyzing Asymmetric Aldol Reaction

(2012) Dongyue Zhang et al.   MACROMOLECULAR RAPID COMMUNICATIONS

Remarkable Enhancement of the Enantioselectivity of an Organocatalyzed Asymmetric Henry Reaction Assisted by Helical Poly(phenylacetylene)s Bearing Cinchona Alkaloid Pendants via an Amide Linkage

(2012) Zhenglin Tang et al.   ACS Macro Letters

Highly Enantioselective Synthesis of Axially Chiral Biarylphosphonates: Asymmetric Suzuki-Miyaura Coupling Using High-Molecular-Weight, Helically Chiral Polyquinoxaline-Based Phosphines

(2011) Takeshi Yamamoto et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Organocatalytic aza-Michael/retro-aza-Michael reaction: Pronounced chirality amplification in aza-Michael reaction and racemization via retro-aza-Michael reaction

(2011) Yong-Feng Cai et al.   CHIRALITY

Synthesis of polymers bearing proline moieties in the side chains and their application as catalysts for asymmetric induction

(2011) Atsushi Ikeda et al.   JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY

Synthesis of helical poly(phenylacetylene)s bearing cinchona alkaloid pendants and their application to asymmetric organocatalysis

(2011) Garret M. Miyake et al.   JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY

The immobilisation of chiral organocatalysts on magnetic nanoparticles: the support particle cannot always be considered inert

(2011) Oliver Gleeson et al.   ORGANIC & BIOMOLECULAR CHEMISTRY

Silicon-Based Lewis Acid Assisted Cinchona Alkaloid Catalysis: Highly Enantioselective Aza-Michael Reaction under Solvent-Free Conditions

(2011) Hua-Meng Yang et al.   ORGANIC LETTERS

Polymeric chiral organocatalysts

(2011) Shinichi Itsuno et al.   Polymer Chemistry

Recent applications of Cinchona alkaloids and their derivatives as catalysts in metal-free asymmetric synthesis

(2011) Elizabeth M.O. Yeboah et al.   TETRAHEDRON

Enantioselective Alcoholysis of meso-Glutaric Anhydrides Catalyzed by Cinchona-Based Sulfonamide Catalysts

(2010) Sang Eun Park et al.   ADVANCED SYNTHESIS & CATALYSIS

Highly Enantioselective 1,4-Michael Additions of Nucleophiles to Unsaturated Aryl Ketones with Organocatalysis by Bifunctional Cinchona Alkaloids

(2010) Cristina G. Oliva et al.   EUROPEAN JOURNAL OF ORGANIC CHEMISTRY

Synthesis of both Enantiomers of Hemiesters by Enantioselective Methanolysis of Meso Cyclic Anhydrides Catalyzed by α-Amino Acid-Derived Chiral Thioureas†

(2010) Rubén Manzano et al.   JOURNAL OF ORGANIC CHEMISTRY

Pendant structure governed anion sensing property for sulfonamide-functionalized poly(phenylacetylene)s bearing various α-amino acids

(2010) Ryohei Kakuchi et al.   JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY

High-Molecular-Weight Polyquinoxaline-Based Helically Chiral Phosphine (PQXphos) as Chirality-Switchable, Reusable, and Highly Enantioselective Monodentate Ligand in Catalytic Asymmetric Hydrosilylation of Styrenes

(2010) Takeshi Yamamoto et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Synergistic organocatalysis in the kinetic resolution of secondary thiols with concomitant desymmetrization of an anhydride

(2010) Aldo Peschiulli et al.   Nature Chemistry

Cinchona Alkaloids in Asymmetric Organocatalysis

(2010) Tommaso Marcelli et al.   SYNTHESIS-STUTTGART

A polymer-supported Cinchona-based bifunctional sulfonamide catalyst: a highly enantioselective, recyclable heterogeneous organocatalyst

(2009) Sung Hun Youk et al.   CHEMICAL COMMUNICATIONS

Cinchona-based phase-transfer catalysts for asymmetric synthesis

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

Acetylenic Polymers: Syntheses, Structures, and Functions

(2009) Jianzhao Liu et al.   CHEMICAL REVIEWS

Helical Polymers: Synthesis, Structures, and Functions

(2009) Eiji Yashima et al.   CHEMICAL REVIEWS

Organocatalytic Asymmetric Aza-Michael Additions

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

Asymmetric reduction of aromatic ketimines in the presence of helical polymer as catalyst

(2009) Kayo Terada et al.   JOURNAL OF POLYMER SCIENCE PART A-POLYMER CHEMISTRY

Optical and Chiroptical Output of Anion Recognition Event Using Clustered Sulfonamide Groups Organized on Poly(phenylacetylene) Backbone

(2009) Ryohei Kakuchi et al.   MACROMOLECULES

Asymmetric Michael Addition Mediated by Novel Cinchona Alkaloid-Derived Bifunctional Catalysts Containing Sulfonamides

(2009) Jie Luo et al.   ORGANIC LETTERS

Recent advances and applications in asymmetric aza-Michael addition chemistry

(2009) Palakodety Radha Krishna et al.   TETRAHEDRON

Single- and Double-Stranded Helical Polymers: Synthesis, Structures, and Functions

(2008) Eiji Yashima et al.   ACCOUNTS OF CHEMICAL RESEARCH

A Highly Reactive and Enantioselective Bifunctional Organocatalyst for the Methanolytic Desymmetrization of Cyclic Anhydrides: Prevention of Catalyst Aggregation

(2008) Sang Ho Oh et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Helical Poly(quinoxaline-2,3-diyl)s Bearing Metal-Binding Sites as Polymer-Based Chiral Ligands for Asymmetric Catalysis

(2008) Takeshi Yamamoto et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

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

(2008) Stephen J. Connon   CHEMICAL COMMUNICATIONS

Synthesis of functional poly(phenyl isocyanide)s with macromolecular helicity memory and their use as asymmetric organocatalysts

(2008) Toshitaka Miyabe et al.   CHIRALITY

Organocatalytic asymmetric aza-Michael addition of aniline to chalcones under solvent-free conditions

(2008) Arrigo Scettri et al.   TETRAHEDRON-ASYMMETRY

Chirality-Responsive Helical Polymers

(2007) Eiji Yashima et al.   MACROMOLECULES