Patent ID: 6479675
Filing Date: 2002-11-12
Classification: C07D

Abstract:
Compounds of the formula (II) in whichA represents methyl, ethyl, n- or i-propyl, R1, R2, R3, R4 are identical or different and are independently selected from the group consisting of hydrogen, halogen, cyano, nitro, alkyl, alkoxy, alkylthio, alkylsulphinyl and alkylsulphonyl, wherein said alkyl, alkoxy, alkylthio, alkylsulphinyl and alkylsulphonyl each have 1 to 6 carbon atoms and are optionally substituted by 1 to 5 halogen atoms, Z1, Z2, Z3 and Z4 are identical or different and each represent independently of one another hydrogen, methyl, ethyl, n- or i-propyl, n-, i-, s- or t-butyl, hydroxymethyl, trifluoromethyl or trifluoroethyl, or Z1 and Z2 or Z1 and Z3 or Z3 and Z4 form together with the respective carbon atoms that they are attached to a cycloaliphatic ring having five, six or seven carbon atoms.