Chromogenic quinazolines

Claim 1

A chromogenic quinazoline of the formula ##STR57## wherein R is a phenyl, biphenylyl or naphthyl radical, each unsubstituted or substituted by halogen, cyano, nitro, lower alkyl, lower alkoxy, lower alkoxycarbonyl or lower alkylcarbonyl, or R is an aromatic heterocyclic radical selected from the group consisting of thienyl, furyl, pyrrolyl, pyrazolyl, imidazolyl and pyridyl, each unsubstituted or substituted by halogen, cyano, lower alkyl, lower alkoxy, lower alkoxycarbonyl or fused benzene, or R is a saturated heterocyclic radical selected from the group consisting of pyrrolidino, piperidino, pipecolino, morpholino, thiomorpholino, piperazino and N-methylpiperazino; Z 1 is oxygen or sulfur; Z 2 is oxygen, sulfur or --NR'; R' is hydrogen, alkyl of not more than 12 carbon atoms, unsubstituted or substituted by halogen, cyano or lower alkoxy, or is C 5 -C 6 cycloalkyl, phenyl, benzyl, phenethyl or C 1 -C 12 -acyl, or --NRR' is a 5- or 6-membered heterocyclic radical selected from the group consisting of pyrrolidino, piperidino, pipecolino, piperazino or morpholino; Q is an aliphatic radical or an aliphatic radical which is interrupted by a further member Z 2 ; Y is the radical of a couplable compound bound to the quinazoline moiety through a phenyl ring and is selected from the group consisting of unsubstituted, N-monosubstituted, or N,N-disubstituted aniline or naphthylamine, N-unsubstituted or N-substituted indole, indoline, carbazole, tetrahydrocarbazole, oxazine, thiazine, dihydroquinoline, tetrahydroquinoline, dibenzylimide or benzomorpholine wherein C-substituents are selected from the group consisting of halogen, hydroxyl, cyano, nitro, lower alkyl, lower alkoxy, lower alkoxycarbonyl, acyl of 1 to 8 carbon atoms, C 1 -C 4 acylamino, alkylene of 3 to 6 carbon atoms, cycloalkyl of 5 or 6 carbon atoms, benzyl and phenyl, and wherein N-substituents are selected from the group consisting of alkyl with 1 to 12 carbon atoms, alkenyl of 2 to 12 carbon atoms, cycloalkyl of 5 or 6 carbon atoms, phenyl, benzyl and phenethyl, each of which is unsubstituted or substituted by cyano, halogen, nitro, hydroxy, lower alkyl, lower alkoxy or lower alkoxycarbonyl, or when N is disubstituted the 2N-substituents and the nitrogen atom to which they are attached are a 5- or 6-membered heterocylic radical selected from the group consisting of pyrrolidino, piperidino, pipecolino, morpholino, thiomorpholino or piperazino; and the ring A is unsubstituted or substituted by halogen, phenyl, cyano, nitro, lower alkyl, lower alkoxy or lower alkoxycarbonyl.