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.
新型戊环甾体和戊环D-同系甾体,包括:(i) 分别为四环甾体环系或四环D-同系甾体环系;(ii) 一个C(3)取代基,选自以下组:(a) 在α-构型中的羟基或羧基,和(b)
硫酸根或其他带负电的基团;以及(iii) 一个融合的第五环,该融合的第五环包含一个
氢键受体,且在(a) 戊环甾体的情况下为C(13)和C(17)
碳原子,或在(b) 戊环D-同系甾体的情况下为C(13)和C(17a)
碳原子,可用作
麻醉剂和在治疗与
GABA功能和活性相关的疾病中有用。