Conformations of the Ten-membered Ring in 5,10-Secosteroids. III: (Z)-3β- and (Z)-3α-Hydroxy-5,10-seco-1(10)-cholesten-5-one Esters and (Z)-5,10-seco-1-(10)-Cholestene-3,5-dione

Article abstract of DOI:10.1002/hlca.19810640312

(Z)-3β-Acetoxy- and (Z)-3α-acetoxy-5,10-seco-1(10)-cholesten-5-one (6a) and (7a) were synthesized by fragmentation of 3β-acetoxy-5α-cholestan-5-ol (1) and 3α-acetoxy-5β-cholestan-5-ol (2), respectively, using in both cases the hypoiodite reaction (the lea