Synthesis and Structure-Activity Relationships of a Series of Penicillin-Derived HIV Proteinase Inhibitors: Heterocyclic Ring Systems Containing P1' and P2' Substituents
作者:John Kitchin、Richard C. Bethell、Nicholas Cammack、Simon Dolan、Derek N. Evans、Stuart Holman、Duncan S. Holmes、Peter McMeekin、Chi L. Mo
DOI:10.1021/jm00048a007
日期:1994.10
As an extension of our earlier work based upon a single penicillin-derived thiazolidine moiety we have found that the decahydroisoquinoline grouping, also present in Ro 31-8959, is an effective replacement for one of the thiazolidine units in C2 symmetric penicillin-derived dimers. Reaction of racemic epoxide 6 with [3S-[3 alpha, 4a alpha, 8a alpha]]-decahydro-N-(1,1-dimethylethyl)-3- isoquinolinecarboxamide
作为我们基于单个青霉素衍生的噻唑烷部分的早期工作的扩展,我们发现十氢异喹啉基团(也存在于Ro 31-8959中)可有效替代C2对称青霉素衍生的二聚体中的噻唑烷单元之一。外消旋环氧化合物6与[3S- [3α,4aα,8aα]]-十氢-N-(1,1-二甲基乙基)-3-异喹啉羧酰胺的反应得到非对映异构体34a和34b。确定34a的羟基的立体化学为(S)。衍生自34a和34b的胺与噻唑烷8a的反应分别得到50和51。化合物50是有效的HIV蛋白酶抑制剂(IC50 = 23 nM),在体外具有针对HIV-1的抗病毒活性(EC50 C8166细胞= 50 nM)。但是,狗体内化合物50及其类似物的药代动力学较差,