NOVEL PROCESS FOR PREPARATION OF OPTICALLY ACTIVE KETO STEROIDS

摘要

Intermediates in the synthesis of steroids having the formulas WHEREIN R and R' are alkyl of one to three carbon atoms and may be different and R'' is selected from the group consisting of a hydrazide, a semicarbazide, a semioxamazide, a lower alkanediol, a lower alkanedithiol and a lower alkoxycarbonyl hydrazine.