Steroidal compounds having contraceptive activity and anti-osteoporosis activity

摘要

The invention relates to a steroid compound having the formula (I) CHEM comprising a ring E, said ring sharing carbon atoms at position 16 and 17 with the five-membered ring D and being alpha with respect to said D-ring. In addition, the carbon atom at position 17 is substituted with an oxygen atom-comprising group through a CO bond. The invention also relates to a pharmaceutical composition comprising said steroid compound. The steroid compounds of the present invention are very suitable for use in the prevention or treatment of peri-menopausal or menopausal complaints, more preferably the prevention or treatment of osteoporosis. Furthermore, the steroid compounds of the present invention can be used for contraceptive purposes.