Pregn-4-en-21, 17-carbolacton as replaced in the ring C; this substance is contained in pharmaceutical formulations; compounds 11alpha-hydroxy-15beta, 16beta-methyl-Androst-4-en-3, 17-dioxin; preparation procedures for this compound, including the use of microorganisms.

摘要

Pregn - 4 - - - carbolactonas 21:17 replaced the Ring C; Compound Pharmaceutical Preparations Containing Alpha Hydroxy beta 11 - 15, 16 Beta methylene androst 4 - - - 317 - dione; procedure for preparing the compound which comprises the use of microorganisms.