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. 2002 Oct 17;4(21):3595-8.
doi: 10.1021/ol0201299.

Co(III)-alkyl complex- and Co(III)-alkylperoxo complex-catalyzed triethylsilylperoxidation of alkenes with molecular oxygen and triethylsilane

Takahiro Tokuyasu  1 , Shigeki Kunikawa, Araki Masuyama, Masatomo Nojima
Affiliations

Co(III)-alkyl complex- and Co(III)-alkylperoxo complex-catalyzed triethylsilylperoxidation of alkenes with molecular oxygen and triethylsilane

Takahiro Tokuyasu et al. Org Lett. .

Abstract

[reaction: see text] Both a Co(III)-alkyl complex and a Co(III)-alkylperoxo complex were found to catalyze triethylsilylperoxidation of alkenes with O(2) and Et(3)SiH. On this basis, together with the nonstereoselectivity in the Co(II)-catalyzed peroxidation of 3-phenylindene and the formation of the corresponding 1,2-dioxolane from 2-phenyl-1-vinylcyclopropane (a radical clock), we propose a reasonable mechanism for the Co(II)-catalyzed novel autoxidation of alkenes with Et(3)SiH discovered by Isayama and Mukaiyama.

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