Organocatalyzed Formal [4+2] Cycloaddition ofin situGenerated Azoalkenes with Arylacetic Acids: An Efficient Approach to the Synthesis of 4,5-Dihydropyridazin-3(2H)-ones

Facile Net Cycloaddition Approach to Optically Active 1,5-Benzothiazepines

(2015) Yukihiro Fukata et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

[4 + 2] Cycloaddition of in Situ Generated 1,2-Diaza-1,3-dienes with Simple Olefins: Facile Approaches to Tetrahydropyridazines

(2015) Xingren Zhong et al.   ORGANIC LETTERS

Catalytic Asymmetric Synthesis of [2,3]-Fused Indoline Heterocycles through Inverse-Electron-Demand Aza-Diels-Alder Reaction of Indoles with Azoalkenes

(2014) Min-Chao Tong et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Interceptive [4 + 1] Annulation of in Situ Generated 1,2-Diaza-1,3-dienes with Diazo Esters: Direct Access to Substituted Mono-, Bi-, and Tricyclic 4,5-Dihydropyrazoles

(2014) Orazio A. Attanasi et al.   JOURNAL OF ORGANIC CHEMISTRY

N-Heterocyclic Carbene Catalyzed Switchable Reactions of Enals with Azoalkenes: Formal [4 + 3] and [4 + 1] Annulations for the Synthesis of 1,2-Diazepines and Pyrazoles

(2014) Chang Guo et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Acylammonium Salts as Dienophiles in Diels–Alder/Lactonization Organocascades

(2014) Mikail E. Abbasov et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Organocatalytic Michael addition–lactonisation of carboxylic acids using α,β-unsaturated trichloromethyl ketones as α,β-unsaturated ester equivalents

(2014) Louis C. Morrill et al.   ORGANIC & BIOMOLECULAR CHEMISTRY

Copper-Catalyzed Enantioselective Inverse Electron-Demand Hetero-Diels-Alder Reactions of Diazadienes with Enol Ethers: Efficient Synthesis of Chiral Pyridazines

(2013) Shuang Gao et al.   ADVANCED SYNTHESIS & CATALYSIS

[4+3] Cycloaddition of in situ generated azoalkenes with C,N-cyclic azomethine imines: efficient synthesis of tetrazepine derivatives

(2013) Xiao-Qiang Hu et al.   CHEMICAL COMMUNICATIONS

Rapid assembly of complex cyclopentanes employing chiral, α,β-unsaturated acylammonium intermediates

(2013) Gang Liu et al.   Nature Chemistry

Anhydrides as α,β-unsaturated acyl ammonium precursors: isothiourea-promoted catalytic asymmetric annulation processes

(2013) Emily R. T. Robinson et al.   Chemical Science

Isothiourea-mediated asymmetric Michael-lactonisation of trifluoromethylenones: a synthetic and mechanistic study

(2013) Louis C. Morrill et al.   Chemical Science

Amidines, isothioureas, and guanidines as nucleophilic catalysts

(2012) James E. Taylor et al.   CHEMICAL SOCIETY REVIEWS

Enantioselective Synthesis of Dihydropyrazoles by Formal [4+1] Cycloaddition of in Situ-Derived Azoalkenes and Sulfur Ylides

(2012) Jia-Rong Chen et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Nonenzymatic Dynamic Kinetic Resolution of α-(Arylthio)- and α-(Alkylthio)alkanoic Acids

(2011) Xing Yang 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

Synthesis and Catalytic Properties of 4-Aryl-2,3-dihydro-4H-pyrimido[2,3-b]benzothiazoles for Asymmetric Acyl or Carboxyl Group Transfer Reactions

(2011) Baby Viswambharan et al.   JOURNAL OF ORGANIC CHEMISTRY

Organocatalytic Functionalization of Carboxylic Acids: Isothiourea-Catalyzed Asymmetric Intra- and Intermolecular Michael Addition−Lactonizations

(2011) Dorine Belmessieri et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Enantioselective, Organocatalyzed, Intramolecular Aldol Lactonizations with Keto Acids Leading to Bi- and Tricyclic β-Lactones and Topology-Morphing Transformations

(2010) Carolyn A. Leverett et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Kinetic Resolution of Racemic α-Arylalkanoic Acids with Achiral Alcohols via the Asymmetric Esterification Using Carboxylic Anhydrides and Acyl-Transfer Catalysts

(2010) Isamu Shiina et al.   JOURNAL OF THE AMERICAN CHEMICAL SOCIETY

Benzotetramisole-Catalyzed Dynamic Kinetic Resolution of Azlactones

(2010) Xing Yang et al.   ORGANIC LETTERS

Friedel−Crafts Acylation of Pyrroles and Indoles using 1,5-Diazabicyclo[4.3.0]non-5-ene (DBN) as a Nucleophilic Catalyst

(2010) James E. Taylor et al.   ORGANIC LETTERS

Isothiourea-Catalyzed Enantioselective Carboxy Group Transfer

(2009) Caroline Joannesse et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Kinetic Resolution of Racemic Carboxylic Acids Using Achiral Alcohols by the Promotion of Benzoic Anhydrides and Tetramisole Derivatives: Production of Chiral Nonsteroidal Anti-Inflammatory Drugs and Their Esters

(2008) Isamu Shiina et al.   EUROPEAN JOURNAL OF ORGANIC CHEMISTRY