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ChemInform Abstract: Thiourea-Catalyzed Highly Diastereo- and Enantioselective Conjugate Additions of α-Substituted Cyanoacetates to Maleimides: Efficient Construction of Vicinal Quaternary-Tertiary Stereocenters.

✍ Scribed by Yu-Hua Liao; Xiong-Li Liu; Zhi-Jun Wu; Xi-Lin Du; Xiao-Mei Zhang; Wei-Cheng Yuan

Publisher: John Wiley and Sons
Year: 2011
Weight: 42 KB
Volume: 42
Category: Article
ISSN: 0931-7597
DOI: 10.1002/chin.201149110

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✦ Synopsis

Abstract

α‐Arylsubstituted cyanoacetates react with various N‐substituted maleimides to afford products bearing 2 vicinal quaternary‐tertiary stereocenters.

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Thiourea-Catalyzed Highly Diastereo- and

Thiourea-Catalyzed Highly Diastereo- and Enantioselective Conjugate Additions of α-Substituted Cyanoacetates to Maleimides: Efficient Construction of Vicinal Quaternary- Tertiary Stereocenters

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## Abstract The reaction tolerates a variety of substituents at the C3‐ and C5‐positions of the indoles and various N‐substituents in maleimides (II).

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## Abstract The approach serves as a powerful tool for the preparation of synthetically and biologically important chiral disubstituted α‐branched succinimides.

ChemInform Abstract: Diastereo- and Enan

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ChemInform Abstract: Palladium-Catalyzed Asymmetric Conjugate Addition of Arylboronic Acids to Five-, Six-, and Seven-Membered β-Substituted Cyclic Enones: Enantioselective Construction of All-Carbon Quaternary Stereocenters.

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ChemInform Abstract: Enantioselective an

ChemInform Abstract: Enantioselective and Z/E-Selective Conjugate Addition of α-Substituted Cyanoacetates to Acetylenic Esters Catalyzed by Bifunctional Ruthenium and Iridium Complexes.

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