Migration reversible du methyle 19 en serie cholestane
作者:Robert Hanna、Maher Kodeih
DOI:10.1016/s0040-4039(01)92416-5
日期:1981.1
Reactions of epoxides—XXI
作者:J.M. Coxon、M.P. Hartshorn、C.N. Muir
DOI:10.1016/s0040-4020(01)82925-2
日期:——
3α-Hydroxy-5,6-epoxycholestanes gave 6-hydroxy-3α,10α-oxido-5β-methyl-19-nor compounds in addition to 6-ketones and backbone rearranged Δ13(17)-olefins on BF3-catalysed rearrangement. Similar treatment of 3α-acetoxy-5β,6β-epoxycholestane gave 5α-acetoxy-cholestane-3α,6β-diol.