70381-66-7Relevant academic research and scientific papers
Pyrido[1,2-A]pyrimidine derivatives and method of analgesic treatment
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, (2008/06/13)
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; R2 is C1 to C6 alkyl; R3 is C1 to C6 alkyl or benzyl; and R4 is a single electron pair, hydrogen or lower alkyl; and the dotted lines represent saturated or unsaturated bonds, are disclosed with analgesic properties.
Pyrido[1,2-a]pyrimidine derivatives
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, (2008/06/13)
Compounds of the formula: STR1 or pharmaceutically acceptable acid addition or quaternary ammonium salts thereof wherein R2 is C1 to C6 alkyl: R3 is C1 to C6 alkyl; R4 is a single electron pair, hydrogen or lower alkyl; and the dotted lines indicate saturated or unsaturated bonds, are disclosed with analgesic properties.
