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Synfacts 2007(8): 0846-0846  
DOI: 10.1055/s-2007-968765
Metal-Catalyzed Asymmetric Synthesis and Stereoselective Reactions
© Georg Thieme Verlag Stuttgart · New York

Ni-Catalyzed Cycloaddition of Nitrones and Cyclopropanes

Contributor(s): Hisashi Yamamoto, Marina Naodovic
Y.-B. Kang, X.-L. Sun, Y. Tang*
Shanghai Institute of Organic Chemistry, P. R. of China
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Publikationsdatum:
24. Juli 2007 (online)

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Significance

The Ni(II)/1 catalytic system described in this report represents one the most successful examples of asymmetric cycloadditions of cyclopropanes and nitrones. An additional feature of this catalyst is the possibility of efficient kinetic resolution of racemic 2-substituted cyclopropane-1,1-dicarboxylates. Hence, Ni/1 possesses excellent dual reactivity and provides easy access to two classes of synthetically useful compounds.