A long-range intramolecular functionalization by alkoxyl radicals: a long-range intramolecular oxygenation of C(15) of the androstane skeleton
Abstract
The first example of a one-step introduction of a carbonyl group to C(15) of the 5α-androstane skeletion, based on a long-range intramolecular hydrogen abstraction by alkoxyl radicals, generated by irradiation of 5α-androstane esters carrying a benzhydryl group in carbon tetrachloride containing mercury(II) oxide and iodine, is described.