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Synfacts 2008(3): 0286-0286  
DOI: 10.1055/s-2008-1042689
Metal-Catalyzed Asymmetric Synthesis and Stereoselective Reactions
© Georg Thieme Verlag Stuttgart · New York

Cyclopropanation by Rhenium(I) Bi- and Terpyridine Tricarbonyl Complexes

Contributor(s): Hisashi Yamamoto, Matthew B. Boxer
C.-T. Yeung, P.-F. Teng, H.-L. Yeung, W.-T. Wong, H.-L. Kwong*
City University of Hong Kong and The University of Hong Kong, P. R. of China
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Publikationsdatum:
21. Februar 2008 (online)

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Significance

This paper describes the use of a variety of bi- and terpyridine ligands for the rhenium-catalyzed cyclopropanation of ethyl diazoacetate as well as a few other diazo compounds. The reaction proceeds with good diastereoselectivity and use of chiral ligands gives moderate ee values.