申请人:Pennwalt Corporation
公开号:US04766131A1
公开(公告)日:1988-08-23
Analgesic 1,2,3,4-tetrahydroisoquinolines of the formula (1) ##STR1## wherein R.sub.1 and R.sub.2 respectively are hydrogen, hydroxy or alkoxy of 1 to 4 carbon atoms, R.sub.3 and R.sub.4 respectively are hydrogen or alkyl of 1 to 4 carbon atoms, and R.sub.5 is hydroxy, nitro or ##STR2## wherein R.sub.6 and R.sub.7 respectively are hydrogen, alkyl of 1 to 4 carbon atoms or RCO-- wherein R is hydrogen or alkyl of 1 to 4 carbon atoms; pharmaceutically acceptable addition salts thereof with non-toxic acids; analgesic compositions thereof in an inert, pharmaceutical carrier; and methods of preparation from corresponding R.sub.1, R.sub.2, R.sub.3 and R.sub.4 -substituted tetrahydroisoquinolines.
镇痛剂1,2,3,4-四氢异喹啉的结构式(1)##STR1##其中R.sub.1和R.sub.2分别为氢、羟基或1至4个碳原子的烷氧基,R.sub.3和R.sub.4分别为氢或1至4个碳原子的烷基,R.sub.5为羟基、硝基或##STR2##其中R.sub.6和R.sub.7分别为氢、1至4个碳原子的烷基或RCO--其中R为氢或1至4个碳原子的烷基;与无毒酸的药学上可接受的加合盐;含有该类镇痛剂的惰性药用载体的镇痛剂组合物;以及从相应的R.sub.1、R.sub.2、R.sub.3和R.sub.4-取代的四氢异喹啉制备的方法。