Demethylation of a steroid methyl ether with concomitant ring expansion
Open Access
- 1 January 1978
- journal article
- Published by CSIRO Publishing in Australian Journal of Chemistry
- Vol. 31 (10) , 2333-2335
- https://doi.org/10.1071/ch9782333
Abstract
Demethylation of pregn-5-ene-3β,20β-diol dimethyl ether with ferric chloride/acetic anhydride is shown to form the ring-expanded steroid 17α-methyl-D-homoandrost-5-ene-3β,17aβ-diol (1) in 75% isolated yield.Keywords
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