Isoindolazines

Claim 1

Isoindolazines which, in one of their tautomeric structures, have the formula ##STR64## where the rings designated X and T are unsubstituted or are substituted by 1,2,3 or 4 substituents selected from the group consisting of halogen, C 1 -C 6 -alkyl, C 1 -C 6 -alkoxy, carboxyl, nitro and carbamoyl and A 1 and A 2 represent the divalent radical of a compound having two replaceable hydrogen atoms on a C or N atom said radical being selected from the group consisting of the divalent radical of an amine, of a hydrazine, of a hydrazide, of a hydrazone or a divalent radical of the formulae ##STR65## where R 1 designates cyano, C 1 -C 6 -alkoxy-C 1 -C 6 -alkoxycarbonyl, carbamoyl which is optionally substituted by C 1 -C 6 -alkyl, benzyl, naphthyl or phenyl, where phenyl, benzyl and naphthyl can be substituted by chlorine, bromine, C 1 -C 6 -alkyl, C 1 -C 6 -alkoxy, nitro, trifluoromethyl, C 1 -C 6 -alkylcarbonyl, cyano, C 1 -C 6 -alkylamino, benzylamino, phthalimidyl or carbamoyl, C 1 -C 6 -alkylcarbonyl, benzoyl, C 1 -C 6 -alkoxycarbonyl, benzyloxycarbonyl, phenoxycarbonyl, where benzoyl, benzyl and phenoxy can be substituted by halogen, nitro, C 1 -C 6 -alkyl, acylamino or phthalimidyl, phenyl which is optionally substituted by halogen, nitro, cyano or trifluoromethyl, or a heterocyclic radical of the formula ##STR66## where the rings designated M can be substituted by halogen, nitro, C 1 -C 6 -alkyl or C 1 -C 6 -alkoxy, R 1 and R 2 designate hydrogen, C 1 -C 6 -alkyl, phenyl which is optionally substituted by halogen, C 1 -C 6 -alkyl, C 1 -C 6 -alkoxy or nitro, or α- or β-naphthyl, R 3 represents C 1 -C 6 -alkyl, amino, C 1 -C 6 -alkylcarbonyl, carbamoyl or C 1 -C 6 -alkoxycarbonyl, R 4 represents C 1 -C 6 -alkyl, C 1 -C 6 -alkoxy, halogen or nitro, p designates 0, 1 or 2, Z designates O or S, R 5 designates hydrogen or C 1 -C 6 -alkyl, R 6 designates halogen or nitro and q designates 0, 1, 2, 3 or 4.