申请人:Univerza v Ljubljani, Fakulteta za naravoslovje in technologijo, Oddelek
公开号:US05824652A1
公开(公告)日:1998-10-20
Heterocyclic acyldipeptides of the formula I ##STR1## wherein Z represents an oxygen or sulphur atom or a --CH.sub.2 -group; R.sub.1, R.sub.2 and R.sub.3 individually represent hydrogen or certain organic groups; R.sub.4 and R.sub.5, which are identical or different, represent an OR.sub.6 or NHR.sub.6 group, wherein R.sub.6 is hydrogen or certain organic groups; Y represents a --CH.sub.2 --, .dbd.CH-- or .dbd.N-- group; A represents a --(CH.sub.2).sub.3 -- group when Y is --CH.sub.2 --, the two rings being transcondensed, or a ##STR2## wherein R.sub.7 represents H, F, Br, Cl, nitro, or certain organic groups when Y is .dbd.CH-- or .dbd.N--; and their pharmaceutically acceptable salts are provided. These heterocyclic acyldipeptides and their salts are useful as active compounds in medicaments having immunostimulatory and antitumor activity.
异环酰二肽的化学式为I,其中Z代表氧原子、硫原子或-CH.sub.2-基团;R.sub.1、R.sub.2和R.sub.3分别代表氢原子或某些有机基团;R.sub.4和R.sub.5,相同或不同,代表OR.sub.6或NHR.sub.6基团,其中R.sub.6为氢原子或某些有机基团;Y代表-CH.sub.2-、.dbd.CH-或.dbd.N-基团;A代表-(CH.sub.2).sub.3-基团,当Y为-CH.sub.2-时,两个环是反式凝聚的,或者代表##STR2##,其中当Y为.dbd.CH-或.dbd.N-时,R.sub.7代表H、F、Br、Cl、硝基或某些有机基团;以及它们的药用盐。这些异环酰二肽及其盐可用作具有免疫刺激和抗肿瘤活性的药物中的活性化合物。