申请人:Farmitalia Carlo Erba
公开号:US04624956A1
公开(公告)日:1986-11-25
A compound of formula I: ##STR1## wherein either (i) each of R.sub.1 and R.sub.2 independently represents a hydrogen atom or an organic group, or (ii) R.sub.1 and R.sub.2 linked together form a heterocyclic ring or (iii) R.sub.2 is hydrogen and R.sub.1 is ##STR2## wherein each of R.sub.6 and R.sub.7 independently represents hydrogen or an organic group, n is 0-3, X is O, S, NH, NR.sub.8, CHNO.sub.2 or CHSO.sub.2 R.sub.4, wherein R.sub.8 and R.sub.4 are organic groups and R.sub.3 represents an organic group. The compound of formula I is effective as an anti-ulcer agent and is highly effective as a histamine H.sub.2 -receptor antagonist.
化合物I的化学式为:其中(i) R.sub.1和R.sub.2分别代表氢原子或有机基团,或(ii) R.sub.1和R.sub.2连接在一起形成杂环环或(iii) R.sub.2为氢,R.sub.1为其中R.sub.6和R.sub.7分别代表氢或有机基团,n为0-3,X为O、S、NH、NR.sub.8、CHNO.sub.2或CHSO.sub.2 R.sub.4,其中R.sub.8和R.sub.4为有机基团,R.sub.3代表有机基团。化合物I作为抗溃疡剂有效,并且作为组胺H.sub.2受体拮抗剂非常有效。