Synthesis and properties of benzo [d,e]estra-1,3,5(10)-triene-3, 17 beta-diol 17-acetate.

A new pentacyclic analogue of estradiol, benzo[d,e]estradiol 17-acetate, has been prepared and investigated for its hormonal and antitumor activity. Unlike related testosterone derivatives, the new compound did not display any interesting property.