[EN] DEHYDROEPIANDROSTERONE DERIVATIVES FOR PROPHYLAXIS AND TREATMENT OF OSTEOPOROSIS<br/>[FR] DERIVES DE DEHYDROEPIANDROSTERONE POUR PREVENIR ET TRAITER L'OSTEOPOROSE
申请人:METABOLIC ENGINEERING LAB CO L
公开号:WO2000005242A1
公开(公告)日:2000-02-03
Disclosed are novel dihydroepiandrosterone derivatives, preparation methods thereof, and prophylactic and curing agents against osteoporosis. The novel dihydroepiandrosterone derivatives, represented by formula (I), are prepared by bonding L-aspartate, L-asparagine or pyruvate to dihydroepiandrosterone via an ester linkage at the position 3 of dihydroepiandrosterone. The novel compounds have potent anti-osteoporosis activity with a suppression against side effects, such as liver enlargement, so that they can be used as agents for the prophylaxis and treatment of osteoporosis, applicable for clinical practice, wherein R is L-aspartate, L-asparagine or pyruvate.