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Issue 7, 2015
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Catalytic asymmetric synthesis of polysubstituted spirocyclopropyl oxindoles: organocatalysis versus transition metal catalysis

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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

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Publication details

The article was received on 23 Mar 2015, accepted on 30 Apr 2015 and first published on 05 May 2015


Article type: Review Article
DOI: 10.1039/C5QO00092K
Citation: Org. Chem. Front., 2015,2, 849-858
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    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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