申请人:John Wyeth & Brother Limited
公开号:US03991060A1
公开(公告)日:1976-11-09
The invention provides a compound of formula I ##SPC1## or an acid addition salt thereof, wherein R.sup.1, R.sup.2 and R.sup.4 are the same or different and represent hydrogen, or a lower alkyl radical, R.sup.5 represents hydrogen or single or multiple substitution by lower alkyl radicals, X is cyano, CONHR.sup.3, CSNHR.sup.3 or CO.sub.2 R.sup.3 wherein R.sup.3 is hydrogen or a lower alkyl radical, m is 1, 2 or 3 and R.sup.6 is hydrogen, a lower alkyl radical or a lower alkanoyl radical or an alkali-metal salt of a compound in which X is CO.sub.2 H. Compounds of formula I wherein X is CN or CSNHR.sup.3 and R.sup.6 is lower alkyl are anti-ulcer agents. The other compounds of formula I are intermediates.
本发明提供了化合物I的公式##SPC1##或其酸加成盐,其中R.sup.1,R.sup.2和R.sup.4相同或不同,表示氢,或者是较低的烷基基团,R.sup.5表示氢或者是较低的烷基基团的单个或多个取代基,X是氰基,CONHR.sup.3,CSNHR.sup.3或CO.sub.2 R.sup.3,其中R.sup.3是氢或较低的烷基基团,m为1、2或3,R.sup.6为氢、较低的烷基基团或较低的烷酰基团,或者X为CO.sub.2 H的化合物的碱金属盐。其中X为CN或CSNHR.sup.3且R.sup.6为较低的烷基基团的化合物是抗溃疡剂。公式I中的其他化合物是中间体。