Issue 7, 2015

Catalytic asymmetric synthesis of polysubstituted spirocyclopropyl oxindoles: organocatalysis versus transition metal catalysis

Abstract

Spirocyclopropyl oxindoles are widely present in natural products and bioactive molecules. In addition, they play a significant role as a type of donor–acceptor (DA) cyclopropanes in catalytic reactions. Four distinct pathways have been developed for the asymmetric synthesis of this framework, which nicely show the potential of organocatalytic and metal catalyzed asymmetric cyclopropanation in the creation of spirocyclic compounds. This minireview summarizes these complementary methods to synthesise optically active spirocyclopropyl oxindoles bearing various functional groups, discusses the difference and advantages of each method, and summarizes synthetic opportunities that still exist.

Graphical abstract: Catalytic asymmetric synthesis of polysubstituted spirocyclopropyl oxindoles: organocatalysis versus transition metal catalysis

Article information

Article type
Review Article
Submitted
23 mar 2015
Accepted
30 apr 2015
First published
05 maj 2015

Org. Chem. Front., 2015,2, 849-858

Catalytic asymmetric synthesis of polysubstituted spirocyclopropyl oxindoles: organocatalysis versus transition metal catalysis

Z. Cao and J. Zhou, Org. Chem. Front., 2015, 2, 849 DOI: 10.1039/C5QO00092K

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