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 α-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.
由五环类
固醇和五环D-同系物组成,包括:(i)四环类
固醇环系统或四环D-同系物环系统,分别为;(ii)选择自羟基或羧基α-配置或
硫酸盐或其他带负电荷的基团的C(3)取代基;以及(iii)融合的第五环,融合的第五环包括一个
氢键受体,并且(a)对于五环类
固醇,C(13)和C(17)
碳,或(b)对于五环D-同系物,C(13)和C(17a)
碳,具有作为
麻醉剂和治疗与
GABA功能和活性相关的疾病的效用。