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Copper-catalysed allylic oxidation of Δ5-steroids by t-butyl hydroperoxide

✍ Scribed by J.A.R. Salvador; M.L. Sáe Melo; A.S. Campos Neves

Publisher: Elsevier Science
Year: 1997
Tongue: French
Weight: 195 KB
Volume: 38
Category: Article
ISSN: 0040-4039
DOI: 10.1016/s0040-4039(96)02231-9

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✦ Synopsis

A5-7-Oxosteroids are efficiently prepared from A5-steroids with t-BuOOH and a copper catalyst, either Cu(II) and Cu (I) salts or Cu metal; selectivity in the presence of a secondary alcohol is observed.

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