Cationic dyestuffs

Claim 1

Cationic dyestuff of the formula ##STR37## wherein R is hydrogen, methyl, .Iadd.ethyl, .Iaddend.n-propyl, i-propyl, n-butyl, -cyanoethyl, or -hydroxyethyl; R 1 is methyl, n-butyl, allyl, phenyl, p-tolyl, o-tolyl, p-chlorophenyl, or m-nitrophenyl; K is ##STR38## N-methyl-tetrahydroquinolinyl, N-ethyl-tetrahydroquinolinyl, N-β-chloroethyl-tetrahydroquinolinyl, N-β-cyanoethyl-tetrahydroquinolinyl; A is p-phenylene, 2,5-diethoxy-p-phenylene, 2,5-dimethoxy-p-phenylene 3-methyl-p-phenylene, 3-methoxy-p-phenylene, 3-chloro-p-phenylene, 3-methoxycarbonyl-amino-p-phenylene, 3-dimethylamido-carbonylamino-p-phenylene, 3-ethoxy-p-phenylene, or 3-methylamido-carbonylamino-p-phenylene; R 2 is methyl, ethyl, n-propyl, n-butyl, i-butyl, β-chloroethyl, diethylaminoethyl, cyclohexyl, phenyl, p-othoxyphenyl, o-methoxyphenyl, o-tolyl, benzyl, or p-methylbenzyl; R 3 is hydrogen, methyl, ethyl, n-propyl, or n-butyl; R 4 is methyl or ethyl; R 5 is hydrogen, 5-chloro, 5-methoxy, or 5-ethoxy; R 6 is methyl, ethyl, or n-butyl; R 7 is hydrogen or 6-methoxy; R 8 is chloro, cyano, methoxy, methoxycarbonyl, β-ethoxyethyl, β-cyanoethyl, β-hydroxycarbonylethyl, dimethylamino, carbanamido, phenyl, piperidyl, pyrrolidinyl, or morpholinyl; R 9 is hydrogen or methyl; R 10 is hydrogen or ethyl; R 11 is methyl or phenyl; B is the remaining portion of morpholinyl, piperidinyl, pyrrolidinyl, 3-methylpyrazolinyl, 3-phenylpyrazolinyl, or N-β-cyanoethylpiperazinyl; and An .sup.(-) is an anion.