Pyrido[1,2-A]pyrimidine derivatives and method of analgesic treatment
申请人:Chinoin Gyogyszer es Vegyeszeti Termekek Gyara Rt.
公开号:US04291036A1
公开(公告)日:1981-09-22
Compounds of the formula ##STR1## or pharmaceutically acceptable acid-addition or quaternart ammonium salts thereof wherein R is hydroxy, carboxy, lower alkoxycarbonyl, benzyloxycarbonyl, phenoxycarbonyl, carbamoyl, N-loweralkyl-carbamoyl, N,N-dilower-alkyl-carbamoyl, carboazido, carbohydrazido or cyano; R.sup.2 is C.sub.1 to C.sub.6 alkyl; R.sup.3 is C.sub.1 to C.sub.6 alkyl or benzyl; and R.sup.4 is a single electron pair, hydrogen or lower alkyl; and the dotted lines represent saturated or unsaturated bonds, are disclosed with analgesic properties.
申请人:Chinoin Gyogyszer es Vegyeszeti Termekek Gyara RT
公开号:US04219649A1
公开(公告)日:1980-08-26
Compounds of the formula: ##STR1## or pharmaceutically acceptable acid addition or quaternary ammonium salts thereof wherein R.sup.2 is C.sub.1 to C.sub.6 alkyl: R.sup.3 is C.sub.1 to C.sub.6 alkyl; R.sup.4 is a single electron pair, hydrogen or lower alkyl; and the dotted lines indicate saturated or unsaturated bonds, are disclosed with analgesic properties.