| abstract |
The invention concerns pyridylacetic acid derivatives of formula (I), in which the substituents and the index have the following meanings: X - NOCH3, CHOCH3, CHCH3 and CHCH2CH3; Y - oxygen or NR', R' representing hydrogen or alkyl; R - cyano, nitro, trifluoromethyl, halogen, alkyl and alkoxy; m is 0, 1 or 2; R<1> is hydrogen and alkyl; R<2> - hydrogen, cyano, nitro, hydroxy, amino, halogen, alkyl, alkyl halide, alkoxy, alkoxy halide, alkyl thio, alkylamino or dialkylamino; R<3> - hydrogen, cyano, nitro, hydroxy, amino, halogen; or optionally substituted alkyl, alkoxy, alkylthio, alkylamino, dialkylamino, alkenyl, alkenyloxy, alkenylthio, alkenylamino, N-alkenyl-N-alkylamino, alkinyl, alkinyloxy, alkinylthio, alkinylamino, N-alkinyl-N-alkylamino, cycloalkyl, cycloalkyloxy, cycloalkylthio, cycloalkylamino, N-cycloalkyl-N-alkylamino, cycloalkenyl, cycloalkenyloxy, cycloalkenylthio, cycloalkenylamino, N-cycloalkenyl-N-alkylamino, heterocyclyl, heterocyclyloxy, heterocyclylthio, heterocyclylamino, N-heterocyclyl-N-alkylamino,aryl, aryloxy, arylthio,arylamino, N-aryl-N-alkylamino, hetaryl, hetaryloxy, hetarylthio, hetarylamino, and N-hetaryl-N-alkylamino; R<4> - hydrogen, optionally substituted alkyl, alkenyl, alkinyl, alkylcarbonyl, alkenylcarbonyl, alkinylcarbonyl, alkylsulphonyl, cycloalkyl, aryl, arylcarbonyl, arylsulphonyl, hetaryl, hetarylcarbonyl, or hetarylsulphonyl. Also disclosed are the salts of the above derivatives,and methods and intermediate products for producing them and agents containing them. |