15Beta,16beta-methyleneprogesterone was produced from 15beta,16beta-methylene-3beta-hydroxy-androst-5-en-17-one with Wittig olefination of 17-ketone by methoxymethylenetriphenylphosphorane as the key stage.
15Beta,16beta-methyleneprogesterone was produced from 15beta,16beta-methylene-3beta-hydroxy-androst-5-en-17-one with Wittig olefination of 17-ketone by methoxymethylenetriphenylphosphorane as the key stage.