申请人:Farmitalia Carlo Erba, S.p.A.
公开号:US04624949A1
公开(公告)日:1986-11-25
The invention relates to compounds having the general formula (I) ##STR1## wherein R.sub.1 is carboxy, esterified carboxy or an amide of formula ##STR2## in which R.sub.9 is hydrogen or C.sub.1 -C.sub.6 alkyl, A is C.sub.2 -C.sub.6 alkylene and R.sub.a and R.sub.b are hydrogen or C.sub.1 -C.sub.6 alkyl or R.sub.a and R.sub.b taken together with the nitrogen atom to which they are linked form a saturated, optionally substituted, heteromonocyclic ring; R.sub.2 is hydrogen or C.sub.1 -C.sub.6 alkyl; each of R.sub.3 to R.sub.8 is independently hydrogen, halogen, C.sub.1 -C.sub.6 -alkyl, C.sub.3 -C.sub.4 alkenyloxy or C.sub.1 -C.sub.6 alkoxy; and the pharmaceutically acceptable salts thereof, which are useful as immunomodulating and anti-viral agents.
本发明涉及具有通式(I)的化合物:##STR1## 其中,R.sub.1是羧基,酯化羧基或式##STR2##的酰胺,其中R.sub.9是氢或C.sub.1-C.sub.6烷基,A是C.sub.2-C.sub.6亚烷基,R.sub.a和R.sub.b是氢或C.sub.1-C.sub.6烷基,或R.sub.a和R.sub.b与它们链接的氮原子一起形成饱和的、可选地取代的杂单环;R.sub.2是氢或C.sub.1-C.sub.6烷基;每个R.sub.3到R.sub.8独立地是氢、卤素、C.sub.1-C.sub.6烷基、C.sub.3-C.sub.4烯氧基或C.sub.1-C.sub.6烷氧基;以及其药学上可接受的盐,其用作免疫调节和抗病毒剂。