A novel C-5′ substituted cinchona alkaloid-derived catalyst promotes additions of alkyl thiols to nitroolefins with excellent enantioselectivity

A novel C-5′ substituted cinchona alkaloid-derived catalyst promotes additions of alkyl thiols to nitroolefins with excellent enantioselectivity Highly enantioselective Michael addition of 3-arylthio- and 3-alkylthiooxindoles to nitroolefins catalyzed by a simple cinchona alkaloid derived phosphoramide Functional polymers. 9. Asymmetric catalysis by new cinchona alkaloid derivatives. Effect of C(3) substituent on asymmetric induction Novel Selenoureas Based on Cinchona Alkaloid Skeleton: Synthesis and Catalytic Investigations Discovery and Application of Doubly Quaternized Cinchona‐Alkaloid‐Based Phase‐Transfer Catalysts Highly Enantioselective and Practical Cinchona-Derived Phase-Transfer Catalysts for the Synthesis of α-Amino Acids This work was supported by grants from Aminogen Co. (Korea) through the Research Center of New Drug Development of Seoul National University and the Research Institute of Pharmaceutical Sciences in the College of Pharmacy of Seoul National University. Non‐Biaryl Atropisomers in Organocatalysis Design and Synthesis of Novel C2-symmetric bis-cinchona Alkaloid Derivatives New Polymer Supported Cinchona Alkaloids for Heterogeneous Catalytic Asymmetric Dihydroxylation of Olefins Heterogeneous enantioselective dihydroxylation of aliphatic olefins: A comparison between different polymeric cinchona alkaloid derivatives