process for the production of compounds that schwefelsaeurereste adduktmaessig to aethersauerstoffatome and, where appropriate, esterartig alcoholic oxygen atoms bound to containTISCHBIREK DR GUENTHERBLASER DR BRUNO
(wherein R is as defined above) is reduced by reaction with an alkali metal in liquid ammonia to form the corresponding 17b -hydroxy-13b -alkyl-des: A-gon-9-en-5-one. Subsequently esterification in 17-position gives the corresponding 17-acyloxy compound, the 5-keto group is converted to...