Analgesic containing a pyrimidine derivative

Abstract From the Canadian patent

Analgesic, Abstract, New analgesics contain compounds of the formula I wherein, =A-8- is =CH-CH= or =N-CR2=, Alk is an alkylene group having 2-4 C atoms R1 is H, dialkylaminoalkyl, carboxyalkyl alkoxy-, carbonylalkyl, carbamoylalkyl N-alkylcarbamoyl-, alkyl or N,N-dialkylcarbamoylalkyl Y is CH or N, Z is a bond or -CO-, Ar is a phenyl thienyl or pyridyl group which is, unsubstituted or substituted one or more times by alkyl, alkoxy, F, Cl, Br, I and/or CF3 and, R2 is H, alkyl, alkoxy or alkylthio in which the alkyl, alkoxy and alkylthio groups each contain 1-4 C atoms, and/or one of its physiologically acceptable salts.