An efficient, stereoselective method for the construction of --4,5-(4′-oxo-1′,2′,3′,4′-tetrahydrobenzo)hydrindane — a possible intermediate to estradiol and cortisone
--1β-Hydroxy-8β-methyl-4,5-(4′-oxo-1′2′,3′,4′-tetrahydrobenzo)-hydrindane, a possibleintermediate to estradiol and cortisone, was synthesised stereoselectively by a thermolysis of benzocyclobutene as the key reaction.