Neuroactive 13, 24-cyclo-18, 21-dinorcholanes and structurally related pentacyclic steroids
申请人:Washington University
公开号:US20040242549A1
公开(公告)日:2004-12-02
Novel pentacyclic steroids and pentacyclic D-homosteroids comprising: (i) the tetracyclic steroid ring system or tetracyclic D-homosteroid ring system, respectively; (ii) a C(3) substituent selected from the group consisting of (a) a hydroxyl or carboxyl in the &agr;-configuration and (b) a sulfate or other negatively charged moiety; and (iii) a fused fifth ring, the fused fifth ring comprising a hydrogen bond acceptor, and (a) in the case of the pentacyclic steroid the C(13) and C(17) carbons, or (b) in the case of the pentacyclic D-homosteroid the C(13) and C(17a) carbons, having utility as anesthetics and in the treatment of disorders relating to GABA function and activity.