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AssigneeHoechst Aktiengesellschaft
InventorsNorbert Schonberger, Erich Schinzel, Thomas Martini, Gunter Rosch
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Compounds of the general formula (1) ##STR1## wherein R.sub.1 denotes hydrogen, halogen, alkyl, alkoxy or, conjointly with R.sub.2, a fused benzo ring, R.sub.2 denotes hydrogen, alkyl, alkoxy, halogen, phenyl, cyano, carboalkoxy, carboxyl, carbonamido, monoalkylcarbonamido, dialkylcarbonamido, sulfo, alkylsulfonyl, alkyloxysulfonyl, sulfonamido, monoalkylsulfonamido or dialkylsulfonamido or, conjointly with R.sub.3, a fused benzo ring, R.sub.3 has the same meaning as R.sub.2, R.sub.4 denotes hydrogen, alkyl, alkoxy, halogen or, conjointly with R.sub.3, a fused benzo ring, R.sub.5 denotes alkyl, hydroxyalkyl, alkoxyalkyl, optionally substituted aralkyl, cyanoethyl, cycloalkyl or a group of the formulae --CH.sub.2 CN, --CH.sub.2 CONH.sub.2 or --CH.sub.2 COO--alkyl, A denotes a group of the formulae ##STR2## or --(CH.sub.2).sub.4 -- R.sub.6 denotes hydrogen, alkyl, hydroxyalkyl, alkoxyalkyl, aralkyl or optionally substituted phenyl, n denotes 1, 2 or 3 and X.sup.(-) denotes a halide, alkylsulfonate, alkylsulfate, alkylphenylsulfonate or phenylsulfonate ion, and processes for their preparation and their use as optical brighteners.
A compound of the formula ##STR35## wherein R.sub.1 is hydrogen, halogen, alkyl, alkoxy or, conjointly with R.sub.2, a fused benzo ring, R.sub.2 is hydrogen, alkyl, alkoxy, halogen, phenyl, cyano, carboalkoxy, carboxyl, carbamoyl dialkylcarbamoyl, alkylsulfonyl, alkyloxysulfonyl, sulfonamido, or dialkylsulfonamido or, conjointly with R.sub.3, a fused benzo ring, R.sub.3 has the same meaning as R.sub.2, R.sub.4 is hydrogen, alkyl, alkoxy, halogen or, conjointly with R.sub.3, a fused benzo ring, R.sub.5 is alkyl, hydroxyalkyl, benzyl which may be substituted by chlorine, methyl, or methoxy, cyanoethyl, cycloalkyl or a group of the formulae --CH.sub.2 CN, --CH.sub.2 CONH.sub.2 or --CH.sub.2 COO-alkyl, A denotes a group of the formulae ##STR36## or
A compound of the formula ##STR37## wherein R.sub.1 is hydrogen, alkyl or, conjointly with R.sub.2, a fused benzo ring, R.sub.2 is hydrogen, alkyl, alkoxy, halogen, cyano, carboalkoxy, dialkyl carbamoyl, alkylsulfonyl, alkoxysulfonyl, sulfonamido or, conjointly with R.sub.3, a fused benzo ring, R.sub.3 has the same meaning as R.sub.2, R.sub.4 is hydrogen, alkyl or, conjointly with R.sub.3, a fused benzo ring, R.sub.5 is alkyl, hydroxyalkyl, benzyl which may be substituted by chlorine, methyl, or methoxy, cyanoethyl or a group of the formulae --CH.sub.2 CN, --CH.sub.2 CONH.sub.2 or --CH.sub.2 COO-alkyl, A is a group of the formulae ##STR38## or
A compound of the formula ##STR39## wherein R.sub.1 and R.sub.4 are hydrogen, methyl, ethyl, methoxy or chlorine or R.sub.1 conjointly with R.sub.2 and/or R.sub.3 conjointly with R.sub.4 is a fused benzo ring, R.sub.2 and R.sub.3 are hydrogen, methyl, ethyl, chlorine, alkylsulfonyl, cyano, carboxyl, carboalkoxy or carbamoyl, R.sub.5 denotes alkyl, hydroxyalkyl, benzyl which is optionally substituted by chlorine, methyl or methoxy, or a group of the formulae --CH.sub.2 CN, --CH.sub.2 CONH.sub.2 or --CH.sub.2 COOO-alkyl, A is methylene, ethylene, trimethylene or tetramethylene, each of which can be substituted by alkyl, alkoxy, phenyl, cyanophenyl or chlorophenyl, and X.sup.(-) denotes a chloride, ethylsulfate, methylsulfate, methylsulfonate, tolylsulfonate or phenylsulfonate ion and wherein said alkyl and alkoxy groups consist of 1-4 carbon atoms.
A compound of the formula ##STR40## wherein R.sub.1 and R.sub.4 are hydrogen, R.sub.2 is hydrogen, alkyl, alkoxy or chlorine, R.sub.3 is hydrogen, alkyl, alkoxy, chlorine, methylsulfonyl, cyano or carboalkoxy, R.sub.5 is methyl, A is methylene, ethylene or propylene and X is chloride, methylsulfate, ethylsulfate,methylsulfonate or p-toyl-sulfonate and wherein said alkyl and alkoxy groups consist of 1-4 carbon atoms.
A compound of the formula ##STR41## wherein R.sub.1 and R.sub.4 are hydrogen, R.sub.2 is hydrogen, alkyl, alkoxy or chlorine, R.sub.3 is hydrogen, if R.sub.2 is other than hydrogen, and also alkyl, chlorine, methoxy, ethoxy methylsulfonyl, cyano or carboalkoxy, R.sub.5 is methyl, A is ethylene and X.sup.(-) is chloride, methylsulfate, methylsulfonate or tolylsulfonate and wherein said alkyl and alkoxy groups consist of 1-4 carbon atoms.
Dependencies are inferred from the claim text.