Photochemical transformations. Part XXX. Photolysis of thiobenzoic acid O-esters. Part I. Photolysis of O-cholesteryl thiobenzoate
Abstract
O-Cholesteryl thiobenzoate (I; Ar = Ph) is smoothly photolysed to give cholesta-3,5-diene (II) and thiobenzoic acid in high yield.