Abstract: Novel monoazo compounds of the formula I ##STR1## and mixtures of these compounds with one another are described. The substituents X, R, R.sub.1, R.sub.2 and R.sub.3 are defined as follows: R is a phenyl or naphthyl radical which is unsubstituted or substituted by C.sub.1 -C.sub.4 -alkyl, or is a cycloalkyl radical which is unsubstituted or substituted by C.sub.1 -C.sub.4 -alkyl, or is a C.sub.1 -C.sub.8 -alkyl radical which is unsubstituted or substituted by cyano, halogen, phenyl or sulfophenyl, or is a propenyl radical which is unsubstituted or substituted by halogen, X is hydrogen or halogen, R.sub.1 is hydrogen or a C.sub.1 -C.sub.4 -alkyl radical, R.sub.2 is C.sub.1 -C.sub.8 -alkyl radical, a C.sub.1 -C.sub.4 -sulfatoalkyl radical, a C.sub.1 -C.sub.4 -sulfoalkyl radical or a cycloalkyl radical and R.sub.3 is a C.sub.1 -C.sub.4 -alkyl radical, or is a cycloalkyl radical which is unsubstituted or substituted by C.sub.1 -C.sub.

Abstract: New Dyes of the formula ##STR1## are described wherein R represents alkyl, alkenyl or preferably hydrogen,X represents a modified carboxyl group, the radical --SO.sub.2 --T or a heterocyclic radical wherein T represents alkyl, alkenyl or preferably aryl,An represents an anion,Y represents a basic radical bound by way of a modified carboxyl group,Z represents a nonionic substituent,n represents 0, 1 or 2,m represents 0 or 1,A represents a heterocyclic radical or --CN,andB and C can carry further nonionic substituents, which dyes yield briliant, bright orange to red dyeings which for the most part fluoresce in ultraviolet light and have excellent fastness properties in service.

Abstract: A naphtholactam dyestuff of the general formula (1) ##STR1## in which R represents C.sub.1 -C.sub.5 -alkyl, C.sub.1 -C.sub.5 -alkenyl, C.sub.6 -C.sub.9 -cycloalkyl, C.sub.6 -C.sub.9 -aralkyl, aryl or, preferably, hydrogen, X represents --COOH, --COO.sup..crclbar. cation.sup..sym., a modified carboxyl group, the radical --SO.sub.2 --T or a heterocyclic radical, T denoting alkyl, alkenyl or, preferably, aryl, M represents hydrogen or a cation, Y represents a free or modified carboxyl group, Z is C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, Cl, Br, NO.sub.2, phenyl sulphonyl C.sub.1 -C.sub.4 -alkyl-S, C.sub.1 -C.sub.4 -alkyl sulphonyl, cyano, CONH.sub.2, CONH-C.sub.1 -C.sub.4 -alkyl, and CON(C.sub.1 -C.sub.4 -alkyl).sub.2, n represents 0, 1 or 2, A represents a heterocyclic radical or --CN and B and C can carry further non-ionic substituents.The new dyestuffs give brilliant yellow and red shades on polyester and polyamide fibers.

Abstract: A naphtholactam dyestuff of the general formula (I) ##STR1## in which R represents alkyl, alkenyl, cycloalkyl, aralkyl, aryl or, preferably, hydrogen, M represents hydrogen or a cation, X represents .dbd.O, .dbd.NH or .dbd.NR', Y represents a free or modified carboxyl group, Z represents a non-ionic substituent, n represents 0, 1 or 2, B represents a group which completes ring A to give a heterocyclic structure, R' represents alkyl, alkenyl, cycloalkyl, aralkyl, aryl, or, preferably, hydrogen and E and F can carry further non-ionic substituents.The new dyestuffs give brilliant yellow and red shades on polyester fibres.

Abstract: A dyestuff of the formula ##STR1## in which R represents alkyl, alkenyl, cycloalkyl, aralkyl, aryl or, preferably, hydrogen, R.sub.1 represents alkyl, alkenyl, cycloalkyl, aralkyl, a heterocyclic structure or, preferably, aryl, X represents --COOH, --COO.sup..crclbar. cation.sup..sym., a modified carboxyl group, the radical --SO.sub.2 --T or a heterocyclic radical, T being alkyl, alkenyl or aryl, and M represents hydrogen or a cation and A and B can carry non-ionic substituents and/or a --COOH group.The new dyestuffs dye polyester fibers in fast yellow and orange shades.

Abstract: A dyestuff of the general formula (I) ##STR1## in which R represents alkyl, alkenyl, cycloalkyl, aralkyl, aryl or, preferably, hydrogen, M represents hydrogen or a cation, Y represents a free or modified carboxyl group, Z represents a non-ionic substituent, n represents 0, 1 or 2, A represents a heterocyclic radical or an aromatic radical having negative substituents and B and C can carry further non-ionic substituents. The dyestuffs give brilliant red and yellow shades on polyester fibers.

Abstract: Dyestuffs of the formula (I) ##STR1## wherein F represents a ring system with at least 3 rings which are angularly condensed with one another, n is 1, 2 or 3, and R, R.sub.1 and R.sub.2 represent optionally substituted alkyl groups which can be interrupted by heteroatoms and also represent cycloalkyl, aralkyl, aryl or heterocyclic radicals, R and R.sub.1 can also represent hydrogen atoms, R.sub.1 and R.sub.2, together with the nitrogen atom, are able to form a ring with 5 or 6 members, and R and R.sub.2 can combine to form a nitrogen-containing heterocycle.

Abstract: Dyestuffs of the formula (I) ##STR1## in which R represents alkyl, alkenyl, cycloalkyl, aralkyl, aryl or, preferably, hydrogen, M represents hydrogen or a cation, Y represents a free or modified carboxyl group, Z represents a non-ionic substituent and n represents 0, 1 or 2 and A, B and D can carry further non-ionic substituents are disclosed; the sulfo-free dyestuffs are suitable for dyeing semi-synthetic and synthetic fibers, especially polyamides and polyesters, and the sulfo-substituted dyestuffs are suitable for dyeing, for example, wool and synthetic polyamides.

Abstract: A dye of the formula ##STR1## WHEREIN R is alkyl, alkenyl, cycloalkyl, aralkyl or hydrogen,R.sub.1 is alkyl, alkenyl, cycloalkyl, aralkyl or hydrogen, and R and R.sub.1 can be substituted,Z.sub.1 and Z.sub.2 are nonionic substituents or hydrogen, andM is hydrogen or a cation,And A and B can carry nonionic substituents and/or an optionally modified --COOH group. The new dyestuffs dye polyester fibers in brilliant red shades with excellent fastness.

Abstract: A dyestuff of the general formula (I) ##STR1## in which R represents alkyl, alkenyl, cycloalkyl, aralkyl, aryl or, preferably, hydrogen, M represents hydrogen or a cation, Y represents a free or modified carboxyl group, Z represents a non-ionic substituent, n represents 0, 1 or 2, A represents a heterocyclic radical or an aromatic radical having negative substituents and B and C can carry further non-ionic substituents. The dyestuffs give brilliant red and yellow shades on polyester fibers.

Abstract: A dyestuff of the formula ##STR1## in which R represents alkyl, alkenyl, cycloalkyl, aralkyl, aryl or, preferably, hydrogen, M represents hydrogen or a cation, T represents the radical of a thiophene and A and B can carry non-ionic substituents and/or a --COOH group.The new dyestuffs give fast and brilliant yellow shades on polyester fibers.

Abstract: Dyestuffs of the formula (I) ##STR1## wherein F represents a ring system with at least 3 rings which are angularly condensed with one another, n is 1, 2 or 3, and R, R.sub.1 and R.sub.2 represent optionally substituted alkyl groups which can be interrupted by heteroatoms and also represent cycloalkyl, aralkyl, aryl or heterocyclic radicals, R and R.sub.1 can also represent hydrogen atoms, R.sub.1 and R.sub.2, together with the nitrogen atom, are able to form a ring with 5 or 6 members, and R and R.sub.2 can combine to form a nitrogen-containing heterocycle.

Abstract: A dyestuff of the formula ##STR1## WHEREIN X.sub.1 represents fluorine, bromine, chlorine or hydrogen, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, phenyl, phenoxy, thiophenoxy or C.sub.1 -C.sub.4 -alkyl sulphonyl, C.sub.1 -C.sub.4 -alkylthio, each of which is unsubstituted or substituted by C.sub.1 -C.sub.4 -alkoxy, hydroxy, cyano, bromine, chlorine, carbo-C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkoxy-C.sub.1 -C.sub.4 -alkoxy, C.sub.1 -C.sub.4 -alkylcarbonyloxy, chloro-C.sub.1 -C.sub.4 -alkylcarbonyloxy or C.sub.1 -C.sub.4 -alkoxy-carbonyloxy, fluorine, bromine, chlorine, COOR, in which R represents C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkyl substituted by C.sub.1 -C.sub.4 -alkoxy, hydroxy, cyano, C.sub.1 -C.sub.4 -alkylcarbonyloxy, chlorine or bromine, --SO.sub.2 NH--C.sub.1 -C.sub.4 -alkyl and ##STR2## (WHEREIN THE C.sub.1 -C.sub.4 -alkyl is unsubstituted or substituted by hydroxy, chlorine, bromine, C.sub.1 -C.sub.4 -alkoxy or phenyl),--SO.sub.2 -alkyl or CN;X.sub.

Abstract: Dyestuffs of the formula ##STR1## wherein R, R.sub.1, and R.sub.2 represent optionally substituted alkyl groups that can be interrupted by heteroatoms, and also represent cycloalkyl, aralkyl, aryl, or heterocyclic radicals, R and R.sub.1 can also be hydrogen atoms, R.sub.1 and R.sub.2, together with the nitrogen atom, are able to form a 5-membered or 6-membered ring, R and R.sub.2 are able to combine to form a nitrogen-containing heterocycle, B is =O or =NH, and A represents a heterocycle. The new dyestuffs dye synthetic fibers, especially polyester fibers, in greenish yellow shades.

Abstract: Dyestuffs of the formula (I) ##EQU1## WHEREIN F represents a ring system with at least 3 rings which are angularly condensed with one another, n is 1, 2 or 3, and R, R.sub.1 and R.sub.2 represent optionally substituted alkyl groups which can be interrupted by heteroatoms and also represent cycloalkyl, aralykyl, aryl or heterocyclic radicals, R and R.sub.1 can also represent hydrogen atoms, R.sub.1 and R.sub.2, together with the nitrogen atom, are able to form a ring with 5 or 6 members, and R and R.sub.2 can combine to form a nitrogen-containing heterocycle.