公开(公告)号：US3876637A

公开(公告)日：1975-04-08

申请号：US43076974

申请日：1974-01-04

Applicant: ROUSSEL UCLAF

Inventor： COUSSEDIERE DANIEL ,  NEDELEC LUCIEN ,  TORELLI VESPERTO

IPC: C07J21/00 ,  C07D20060101 ,  C07J1/00 ,  C07J15/00 ,  C07C173/00

Abstract: Wherein R is alkyl of 1 to 3 carbon atoms, R.sub.1 is selected from the group consisting of =0, ketals and
R.sub.2 is selected from the group consisting of hydrogen and acyl of an organic carboxylic acid of 1 to 12 carbon atoms and X is selected from the group consisting of hydrogen and hydroxy which are valuable intermediates for the preparation of steroids such as adrenosterone.

Racemates and optically active isomers of novel .DELTA..sup.9 gonene-11-ones of the formula