Synthetic Studies on (+)-Biotin, Part 15: A Chiral Squaramide-Mediated Enantioselective Alcoholysis Approach toward the Total Synthesis of (+)-Biotin

A Bifunctional Cinchona Alkaloid-Squaramide Catalyst for the Highly Enantioselective Conjugate Addition of Thiols to trans-Chalcones

(2010) Le Dai et al.   ADVANCED SYNTHESIS & CATALYSIS

A New Structural Motif for Bifunctional Brønsted Acid/Base Organocatalysis

(2010) Vijay N. Wakchaure et al.   ANGEWANDTE CHEMIE-INTERNATIONAL EDITION

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

Highly enantioselective desymmetrizations of meso-anhydrides

(2010) Ellen Schmitt et al.   TETRAHEDRON

A novel synthetic strategy for the stereospecific total synthesis of (±)-biotin

(2010) Fei Xiong et al.   TETRAHEDRON LETTERS

An improved asymmetric total synthesis of (+)-biotin via the enantioselective desymmetrization of a meso-cyclic anhydride mediated by cinchona alkaloid-based sulfonamide

(2010) Fei Xiong et al.   TETRAHEDRON-ASYMMETRY

A Novel Cost-Effective Thiourea Bifunctional Organocatalyst for Highly Enantioselective Alcoholysis ofmeso-Cyclic Anhydrides: Enhanced Enantioselectivity by Configuration Inversion

(2009) Su-Xi Wang et al.   ADVANCED SYNTHESIS & CATALYSIS

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

(2009) Sung Hun Youk et al.   CHEMICAL COMMUNICATIONS

Synthetic Studies on (+)‐Biotin, Part 11: Application ofCinchonaAlkaloid‐Mediated Asymmetric Alcoholysis ofmeso‐Cyclic Anhydride in the Total Synthesis of (+)‐Biotin

(2008) Hui‐Fang Dai et al.   ADVANCED SYNTHESIS & CATALYSIS

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

Bifunctional organocatalyst for methanolytic desymmetrization of cyclic anhydrides: increasing enantioselectivity by catalyst dilution

(2008) Ho Sik Rho et al.   CHEMICAL COMMUNICATIONS

Highly Enantioselective Desymmetrization ofMesoAnhydrides by a Bifunctional Thiourea-Based Organocatalyst at Low Catalyst Loadings and Room Temperature

(2008) Aldo Peschiulli et al.   JOURNAL OF ORGANIC CHEMISTRY

Total synthesis of (+)-biotin via a quinine-mediated asymmetric alcoholysis of meso-cyclic anhydride strategy

(2008) Jian Huang et al.   TETRAHEDRON-ASYMMETRY