N-Heterocyclic Carbene-Catalyzed Cyclization of Unsaturated Acyl Chlorides and Ketones

Copper-Catalyzed Enantioselective [2+2] Cycloadditions of 2-Nitrosopyridine with Ketenes

(2010) Indranil Chatterjee et al.   ADVANCED SYNTHESIS & CATALYSIS

Catalytic Asymmetric Synthesis of Oxindoles Bearing a Tetrasubstituted Stereocenter at the C-3 Position

(2010) Feng Zhou et al.   ADVANCED SYNTHESIS & CATALYSIS

Formal [3+2] Cycloaddition of Ketenes and Oxaziridines Catalyzed by Chiral Lewis Bases: Enantioselective Synthesis of Oxazolin-4-ones

(2010) Pan-Lin Shao et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

N-heterocyclic carbene catalysed asymmetric cross-benzoin reactions of heteroaromatic aldehydes with trifluoromethyl ketones

(2010) Dieter Enders et al.   CHEMICAL COMMUNICATIONS

Catalytic Asymmetric Formation of δ-Lactones from Unsaturated Acyl Halides

(2010) Paolo S. Tiseni et al.   CHEMISTRY-A EUROPEAN JOURNAL

Phosphine-Catalyzed Asymmetric Synthesis of β-Lactones from Arylketoketenes and Aromatic Aldehydes

(2010) Mukulesh Mondal et al.   ORGANIC LETTERS

N-Heterocyclic Carbene-Mediated Enantioselective Addition of Phenols to Unsymmetrical Alkylarylketenes

(2009) Carmen Concellón et al.   ADVANCED SYNTHESIS & CATALYSIS

Catalytic Asymmetric Cycloaddition of Ketenes and Nitroso Compounds: Enantioselective Synthesis of α-Hydroxycarboxylic Acid Derivatives

(2009) Maximilian Dochnahl et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Catalytic Functionalization of Indoles in a New Dimension

(2009) Marco Bandini et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

New enantiopure NHCs derived from camphor

(2009) Peddiahgari Vasu Govardhana Reddy et al.   CHEMICAL COMMUNICATIONS

Enantioselective Synthesis of β-Trifluoromethyl-β-lactones via NHC-Catalyzed Ketene−Ketone Cycloaddition Reactions

(2009) Xiao-Na Wang et al.   ORGANIC LETTERS

Asymmetric Syntheses of Oxindole and Indole Spirocyclic Alkaloid Natural Products

(2009) Barry Trost et al.   SYNTHESIS-STUTTGART

Catalytic, asymmetric reactions of ketenes and ketene enolates

(2009) Daniel H. Paull et al.   TETRAHEDRON

Diastereoselective Synthesis of Trifluoromethylated γ-Butyrolactonesvia N-Heterocyclic Carbene-Catalyzed Conjugated Umpolung of α,β-Unsaturated Aldehydes

(2008) Keiichi Hirano et al.   ADVANCED SYNTHESIS & CATALYSIS

[4+2] Cycloaddition of Ketenes withN-Benzoyldiazenes Catalyzed by N-Heterocyclic Carbenes

(2008) Xue-Liang Huang et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Highly Enantioselective Organocatalytic Carbonyl-Ene Reaction with Strongly Acidic, Chiral Brønsted Acids as Efficient Catalysts

(2008) Magnus Rueping et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

Enantioselective Nucleophilic Catalysis: The Synthesis of Aza-β-Lactams through [2+2] Cycloadditions of Ketenes with Azo Compounds

(2008) Jacob M. Berlin et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

ChiralN-Heterocyclic Carbene-Catalyzed Formal [4+2] Cycloaddition of Ketenes with Enones: Highly Enantioselective Synthesis oftrans- andcis-δ-Lactones

(2008) Yan-Rong Zhang et al.   CHEMISTRY-A EUROPEAN JOURNAL

Formal Cycloaddition of Disubstituted Ketenes with 2-Oxoaldehydes Catalyzed by Chiral N-Heterocyclic Carbenes

(2008) Lin He et al.   JOURNAL OF ORGANIC CHEMISTRY

N-Heterocyclic carbene catalysed β-lactam synthesis

(2008) Nicolas Duguet et al.   ORGANIC & BIOMOLECULAR CHEMISTRY

Lewis Acid−Lewis Base Catalyzed Enantioselective Hetero-Diels−Alder Reaction for Direct Access to δ-Lactones

(2008) Paolo S. Tiseni et al.   ORGANIC LETTERS

Organocatalytic enantioselective Friedel–Crafts alkylation of simple phenols with trifluoropyruvate

(2008) Jun-Ling Zhao et al.   TETRAHEDRON LETTERS

Synthesis of enantiopure triazolium salts from pyroglutamic acid and their evaluation in the benzoin condensation

(2008) Dieter Enders et al.   TETRAHEDRON-ASYMMETRY

Development of Chiral Bicyclic Triazolium Salt Organic Catalysts: The Importance of theN-Aryl Substituent

(2007) Tomislav Rovis   CHEMISTRY LETTERS

Chiral N-Heterocyclic Carbene Catalyzed Staudinger Reaction of Ketenes with Imines:  Highly Enantioselective Synthesis ofN-Boc β-Lactams

(2007) Yan-Rong Zhang et al.   ORGANIC LETTERS