REDUCTIONS OF STEROIDAL HALOHYDRINS AND THEIR ESTERS BY TRI-n.BUTYLTIN HYDRIDE; SOME STEREOSPECIFIC 1.2-MIGRATIONS OF ACETOXY- OR BENZOXY-GROUPS

Article abstract of DOI:10.1016/S0040-4020(01)88052-2

-Six 5α-chloro- and one 5α-bromo-cholestane derivatives bearing hydroxy-, acetoxy- or benzoxy-groups in the 3β and 4β or 3β and 6β positions, 1, 3, 5, 6, 8, 10 and 12 have been hydrogenolysed with the title reagent to afford the corresponding reduced deri