PyBidine-Cu(OTf)2-Catalyzed Asymmetric [3+2] Cycloaddition with Imino Esters: Harmony of Cu-Lewis Acid and Imidazolidine-NH Hydrogen Bonding in Concerto Catalysis

Chiral Fullerenes from Asymmetric Catalysis

(2014) Enrique E. Maroto et al.   ACCOUNTS OF CHEMICAL RESEARCH

Catalytic Enantioselective 1,3-Dipolar Cycloadditions of Azomethine Ylides for Biology-Oriented Synthesis

(2014) Rishikesh Narayan et al.   ACCOUNTS OF CHEMICAL RESEARCH

PyBidine/Copper Catalyst: Asymmetricexo′-Selective [3+2] Cycloaddition using Imino Ester and Electrophilic Indole

(2014) Atsuko Awata et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

An Imidazoline-Aminophenol (IAP) Nickel Catalyst: Structure and Catalytic Activity in the Enantioselective 1,4-Addition of 3′-Indolyl-3-Oxindoles to Nitroethylene

(2014) Atsuko Awata et al.   CHEMISTRY-A EUROPEAN JOURNAL

Highly Enantioselective Construction of Polycyclic Spirooxindoles by Organocatalytic 1,3-Dipolar Cycloaddition of 2-Cyclohexenone Catalyzed by Proline-Sulfonamide

(2014) Jun-An Xiao et al.   EUROPEAN JOURNAL OF ORGANIC CHEMISTRY

Diversity-Oriented Asymmetric Catalysis (DOAC): Stereochemically Divergent Synthesis of Thiochromanes Using an Imidazoline–Aminophenol–Nickel-Catalyzed Michael/Henry Reaction

(2014) Takayoshi Arai et al.   ORGANIC LETTERS

Bis(imidazolidine)pyridine-NiCl2 Catalyst for Nitro-Mannich Reaction of Isatin-Derived N-Boc Ketimines: Asymmetric Synthesis of Chiral 3-Substituted 3-Amino-2-oxindoles

(2014) Takayoshi Arai et al.   ORGANIC LETTERS

Switching Enantioface Selection in the Asymmetric Nitro-Mannich Reaction Using Single Chiral Bis(imidazolidine)pyridine–Metal Catalysts

(2014) Takayoshi Arai et al.   SYNLETT

Catalytic Enantioselective Synthesis of Functionalized Tropanes Reveals Novel Inhibitors of Hedgehog Signaling

(2013) Rishikesh Narayan et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Efficient construction of highly functionalized spiro[γ-butyrolactone-pyrrolidin-3,3′-oxindole] tricyclic skeletons via an organocatalytic 1,3-dipolar cycloaddition

(2013) Long Wang et al.   CHEMICAL COMMUNICATIONS

Asymmetric construction of fluorinated imidazolidines via Cu(i)-catalyzed exo′-selective 1,3-dipolar cycloaddition of azomethine ylides with fluorinated imines

(2013) Qing-Hua Li et al.   CHEMICAL COMMUNICATIONS

Phosphoramidite–Cu(OTf)2 Complexes as Chiral Catalysts for 1,3-Dipolar Cycloaddition of Iminoesters and Nitroalkenes

(2013) Luis M. Castelló et al.   ORGANIC LETTERS

The Role of Ni-Carboxylate During Catalytic Asymmetric Iodolactonization Using PyBidine-Ni(OAc)2

(2013) Takayoshi Arai et al.   SYNLETT

An efficient, one-pot, three-component procedure for the synthesis of chiral spirooxindolopyrrolizidines via catalytic highly enantioselective 1,3-dipolar cycloaddition

(2013) Farbod Salahi et al.   TETRAHEDRON LETTERS

syn-Selective Asymmetric Mannich Reaction of Sulfonyl Imines with Iminoesters Catalyzed by the N,N,N-Tridentate Bis(imidazolidine)pyridine (PyBidine)-Cu(OTf)2 Complex

(2012) Takayoshi Arai et al.   CHEMISTRY-A EUROPEAN JOURNAL

Catalytic Asymmetric exo′-Selective [3+2] Cycloaddition for Constructing Stereochemically Diversified Spiro[pyrrolidin-3,3′-oxindole]s

(2012) Atsuko Awata et al.   CHEMISTRY-A EUROPEAN JOURNAL

Scaffold-Inspired Enantioselective Synthesis of Biologically Important Spiro[pyrrolidin-3,2′-oxindoles] with Structural Diversity through Catalytic Isatin-Derived 1,3-Dipolar Cycloadditions

(2012) Feng Shi et al.   CHEMISTRY-A EUROPEAN JOURNAL

Chiral Bis(Imidazolidine)Pyridine-Cu Complex-Catalyzed Enantioselective [3+2]-Cycloaddition of Azomethine Imines with Propiolates

(2012) Takayoshi Arai et al.   MOLECULES

Silver/ThioClickFerrophos-Catalyzed Enantioselective Conjugate Addition and Cycloaddition of Glycine Imino Ester with Nitroalkenes

(2012) Kazumi Imae et al.   ORGANIC LETTERS

Cu(I)/TF-BiphamPhos Catalyzed Reactions of Alkylidene Bisphosphates and Alkylidene Malonates with Azomethine Ylides: Michael Addition versus 1,3-Dipolar Cycloaddition

(2012) Meiyan Wang et al.   ORGANOMETALLICS

Densely substituted unnatural l- and d-prolines as catalysts for highly enantioselective stereodivergent (3 + 2) cycloadditions and aldol reactions

(2012) Egoitz Conde et al.   Chemical Science

Brønsted-Acid-Catalyzed Asymmetric Multicomponent Reactions for the Facile Synthesis of Highly Enantioenriched Structurally Diverse Nitrogenous Heterocycles

(2011) Jie Yu et al.   ACCOUNTS OF CHEMICAL RESEARCH

A Simple Recipe for Sophisticated Cocktails: Organocatalytic One-Pot Reactions-Concept, Nomenclature, and Future Perspectives

(2011) Łukasz Albrecht et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Novel dipolarophiles and dipoles in the metal-catalyzed enantioselective 1,3-dipolar cycloaddition of azomethine ylides

(2011) Javier Adrio et al.   CHEMICAL COMMUNICATIONS

Asymmetric Organocatalytic Cyclization and Cycloaddition Reactions

(2011) Albert Moyano et al.   CHEMICAL REVIEWS

Asymmetic Organocatalytic 1,3-Dipolar Cycloaddition of Azomethine Ylide to Methyl 2-(2-Nitrophenyl)acrylate for the Synthesis of Diastereoisomers of Spirotryprostatin A

(2011) Mou-Nuo Cheng et al.   ORGANIC LETTERS

Enantioselective synthesis of the spirotryprostatin A scaffold

(2011) Andrey P. Antonchick et al.   TETRAHEDRON

Catalytic Asymmetric exo′-Selective [3+2] Cycloaddition of Iminoesters with Nitroalkenes

(2010) Takayoshi Arai et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Chiral Bis(imidazolidine)pyridine−Cu(OTf)2: Catalytic Asymmetric Endo-Selective [3 + 2] Cycloaddition of Imino Esters with Nitroalkenes

(2010) Takayoshi Arai et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Highly enantioselective synthesis and cellular evaluation of spirooxindoles inspired by natural products

(2010) Andrey P. Antonchick et al.   Nature Chemistry

Efficient kinetic resolution of racemic 3-nitro-2H-chromene derivatives catalyzed by Takemoto's organocatalyst

(2010) Jian-Wu Xie et al.   ORGANIC & BIOMOLECULAR CHEMISTRY

Catalytic asymmetric 1,3-dipolar cycloaddition of N-unprotected 2-oxoindolin-3-ylidene derivatives and azomethine ylides for the construction of spirooxindole-pyrrolidines

(2010) Tang-Lin Liu et al.   ORGANIC & BIOMOLECULAR CHEMISTRY

Asymmetric Friedel–Crafts reaction of N-heterocycles and nitroalkenes catalyzed by imidazoline–aminophenol–Cu complex

(2009) Naota Yokoyama et al.   CHEMICAL COMMUNICATIONS

Bifunctional transition metal-based molecular catalysts for asymmetric CC and CN bond formation

(2009) Takao Ikariya et al.   CHEMICAL RECORD

Organocatalytic Synthesis of Spiro[pyrrolidin-3,3′-oxindoles] with High Enantiopurity and Structural Diversity

(2009) Xiao-Hua Chen et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

An efficient approach to chiral fullerene derivatives by catalytic enantioselective 1,3-dipolar cycloadditions

(2009) Salvatore Filippone et al.   Nature Chemistry

Tandem Catalytic Asymmetric Friedel-Crafts/Henry Reaction: Control of Three Contiguous Acyclic Stereocenters

(2008) Takayoshi Arai et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Organocatalytic Asymmetric Formal [3+2] Cycloaddition Reaction of Isocyanoesters to Nitroolefins Leading to Highly Optically Active Dihydropyrroles

(2008) Chang Guo et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

A Library of Chiral Imidazoline–Aminophenol Ligands: Discovery of an Efficient Reaction Sphere

(2008) Takayoshi Arai et al.   CHEMISTRY-A EUROPEAN JOURNAL

Reaction Control in the Organocatalytic Asymmetric One-Pot, Three-Component Reaction of Aldehydes, Diethyl α-Aminomalonate and Nitroalkenes: Toward Diversity-Oriented Synthesis

(2008) Yan-Kai Liu et al.   CHEMISTRY-A EUROPEAN JOURNAL

Thiourea-catalyzed asymmetric formal [3+2] cycloaddition of azomethine ylides with nitroolefins

(2008) Jianwu Xie et al.   TETRAHEDRON LETTERS