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.
本发明涉及具有通用公式(I)的化合物:##STR1##,其中R₁是羧基、酯化羧基或具有公式##STR2##的酰胺,R₉是氢或C₁-C₆烷基,A是C₂-C₆亚烷基,Rₐ和R₆是氢或C₁-C₆烷基,或者Rₐ和R₆与它们连接的氮原子一起形成一个饱和的、可选取代的、杂单环;R₂是氢或C₁-C₆烷基;R₃至R₈中的每一个独立地是氢、卤素、C₁-C₆-烷基、C₃-C₄烯基氧或C₁-C₆烷氧基;以及药理上可接受的盐,它们作为免疫调节和抗病毒剂是有用的。