Starting compound for the production of 10β-H-steroids and process for preparing this starting compound

摘要

PCT No. PCT/EP91/01017 Sec. 371 Date Nov. 30, 1992 Sec. 102(e) Date Nov. 30, 1992 PCT Filed Jun. 3, 1991 PCT Pub. No. WO91/18917 PCT Pub. Date Dec. 12, 1991.The invention includes compounds of the following formula IMAGE where A and B either A and B form an additional double bond and D is a hydrogen atom or B and D form an additional double bond and A is a hydrogen atom and the other variables are as defined in the specification. Also disclosed is a process of making the compounds and a process of using the compounds to make compounds of the following formula IMAGE where the variables are defined in the specification. These compounds are useful as antigestigens.