Darstellung von Derivaten des 6-Chlor-17β-acetoxy-Δ 5-androsten-7-on

Summary 6-Chloro-17-acetoxy-5-androsten-7-one and some of its derivatives have been prepared from ⁵-steroids by a synthesis involving elimination of the substituent from position 3, introduction of a 7-keto group by allyloxidation and chlorination of the resulting compound with sulphuryl chloride.