| abstract |
1. Phenoxycarboxylic acid carbonylalkyl esters of the formula see diagramm : EP0014900,P16,F1 in which R**1, R**2, R**3 and R**4 independently of one another represent hydrogen or alkyl, R**5 represents hydroxy, alkoxy which is optionally substituted by alkoxy, alkylthio, dialkylamino, cyano or halogen, alkenoxy, alkinoxy, aralkoxy or aryloxy, or the radical see diagramm : EP0014900,P16,F2 wherein R**6 represents hydrogen, alkyl with 1 to 4 carbon atoms, alkenyl with 3 to 8 carbon atoms, benzyl or phenyl which is optionally substituted by alkyl with 1 to 4 carbon atoms, alkoxy with 1 to 4 carbon atoms, akylthio with 1 to 4 carbon atoms, alkoxycarbonyl with 1 to 4 carbon atoms in the alkoxy group, fluorine, chlorine, bromine, trifluoromethyl and/or nitro, and R**7 represents alkyl with 1 to 4 carbon atoms, alkenyl with 3 to 8 carbon atoms, benzyl or phenyl which is optionally substituted by alkyl with 1 to 4 carbon atoms, alkoxy with 1 to 4 carbon atoms, alkylthio with 1 to 4 carbon atoms, alkoxycarbonyl with 1 to 4 carbon atoms in the alkoxy group, fluorine, chlorine, bromine, trifluoromethyl and/or nitro, or R**6 and R**7 together with the nitrogen atom to which they are bonded, represent pyrrolidinyl or morpholinyl, in each case optionally substituted by 1 or 2 methyl groups, or piperidinyl, indolyl, tetrahydroindolyl, perhydroindolyl, tetrahydroquinolyl, tetrahydroisoquinolyl, perhydroquinolyl, perhydroisoquinolyl, perhydrothiazolyl or perhydroazepinyl, in each case optionally substituted by 1 to 3 methyl or ethyl groups, and X represents hydrogen or chlorine. |