Steroids of unnatural configuration. Part XI. Reaction of lumisteryl acetate with maleic anhydride
Abstract
At 175°, lumistyeryl acetate and maleic anhydride gave a Diels–Alder type product (35%) represented as 3β-acetoxy-5β,8β-ethenolumist-22-ene-6β,7β-dicarboxylic anhydride.