The aromatization of some 3-substituted 5α,6α-epoxysteroids

Abstract
4-Methyloestra-1,3,5(10)-trien-17-one and small amounts of androst-4-ene-6,17-dione and a 17-oxoanthrasteroid are formed when 3-substituted 5α,6α-epoxyandrostan-17-ones are treated with hydrobromic acid in glacial acetic acid.