3,5-Bis-ethylenedioxy-13{62 -alkyl-4,5-seco-{66 {hu 9,11{b -gonodiene-17-ones

摘要

Novel intermediates for the preparation of trienic steroids which intermediates have the formula WHEREIN R is alkyl of one to four carbon atoms and X is selected from the group consisting of aliphatic of one to six carbon atoms optionally substituted and cycloalkyl of three to six carbon atoms and Y is selected from the group consisting of =O and ethylenedioxy.