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Olefin cyclopropanation catalysed by bis(imido) chromium(VI) complexes

✍ Scribed by Dominique Jan; François Simal; Albert Demonceau; Alfred F. Noels; Konstantin A. Rufanov; Nikolai A. Ustynyuk; Dmitry N. Gourevitch


Publisher
Elsevier Science
Year
1999
Tongue
French
Weight
282 KB
Volume
40
Category
Article
ISSN
0040-4039

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✦ Synopsis


Bis(imido) chromium(VI) complexes are efficient catalysts for promoting the cyclopropanation of activated monosubstituted olefins with ethyl diazoacetate. 2,2'-Disubstituted activated olefins and non-activated ~-and cyclo-olefins, however, are much less reactive.


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