HETEROSTEROIDS VIA ORGANOIRON COMPLEXES: ENANTIOSELECTIVE SYNTHESIS OF THE 9-(4-KETO-1-METHYLCYCLOHEX-2-ENYL)-8-KETO-DES-AB-ERGOSTA-14,15-22,23-DIENE; AN EASY RREARRANGEMENT OF THE TITLE COMPOUND INTO A 6-OXA B-NOR HETEROSTEROID STRUCTURE

Article abstract of DOI:10.3987/COM-87-4402

The synthesis via organoiron complexes of the chiral 9-(4-keto-1-methylcyclohex-2-enyl)-8-keto-des-AB-ergosta-14,15-22,23-diene 13, as well as the rearrangement of 4, 13 to 6-oxa B-nor heterosteroids are described.