申请人:Richter Gedeon Vegyeszeti Gyar R.T.
公开号:US04622327A1
公开(公告)日:1986-11-11
The invention relates to new 2H-azeto[2,1-a]isoquinoline derivatives of formula (I) ##STR1## wherein R.sup.1 and R.sup.2 represent hydroxyl or alkoxy having from 1 to 6 carbon atoms, R.sup.3 is hydroxyl, halogen or an ##STR2## group, wherein X is oxygen or sulfur, R.sup.4 is optionally substituted phenyl, and acid addition, metal and quaternary salts thereof. According to the invention the new compounds are prepared by cyclization of the corresponding compounds of formula (II), ##STR3## wherein R.sup.1, R.sup.2 and R.sup.3 are as defined above, and Hal is halogen. Compounds of formula (I) are pharmaceutically active, in particular are potent analgesic and antipyretic agents.
本发明涉及式(I)的新2H-azeto [2,1-a]异喹啉衍生物: ## STR1 ## 其中R.sup.1和R.sup.2代表具有1至6个碳原子的羟基或烷氧基,R.sup.3为羟基,卤素或##STR2##基团,其中X为氧或硫,R.sup.4为可选取代的苯基,并且其酸加成物,金属盐和季铵盐。根据本发明,通过环化式(II)的相应化合物制备新化合物: ##STR3## 其中R.sup.1,R.sup.2和R.sup.3如上所定义,Hal为卤素。式(I)的化合物具有药理活性,特别是作为有效的镇痛和退热剂。