Abstract: Compounds of the formula ##STR1## wherein R, R.sub.1 and R.sub.2 are as defined in the specification and R.sub.3 is amino or --N.dbd.N--K, wherein K is a coupling component radical. The compounds wherein R.sub.3 is --N.dbd.N--K are useful as disperse dyes, and those wherein it is amino are useful as intermediates in the synthesis of those wherein it is --N.dbd.N--K.

Abstract: A compound of the formula I ##STR1## in which D is a diazo component,K is an aromatic group of formula a, b or c, ##STR2## Y is C.sub.2-3 alkylene and the remaining symbols are as defined in the specification. These compounds are useful for dyeing or printing textile substrates based on synthetic or semisynthetic, hydrophobic, high molecular weight organic materials. Preferably, the textile substrate is made from a linear aromatic polyester, cellulose 21/2 acetate or cellulose tri-acetate. The dyeings and prints obtained show good all round fastness properties such as good thermomigration properties, lightfastness, thermofixation, blistering properties as well as good wet fastness properties, especially after thermal fixation.

Abstract: Compounds of the formula ##STR1## wherein R is halo,R.sub.1 is cyano; (C.sub.1-6 alkoxy)carbonyl; (C.sub.3-6 alkenyl)oxycarbonyl; C.sub.1-4 alkylsulfonyl; phenylsulfonyl; (C.sub.1-4 alkyl)carbonyl; benzoyl; carbamoyl; (C.sub.1-4 alkyl)carbamoyl; N,N-di-(C.sub.1-4 alkyl)carbamoyl; phenylcarbamoyl; benzyloxycarbonyl; or (C.sub.1-6 alkoxy)carbonyl, (C.sub.3-6 alkenyl)oxycarbonyl, C.sub.1-4 alkylsulfonyl, phenylsulfonyl or (C.sub.1-4 alkyl)carbamoyl substituted by one or two substituents independently selected from chloro, bromo, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, hydroxy, cyano and acyl, andR.sub.2 is formyl, cyano, --CH.dbd.C(R.sub.4).sub.2 or --CH.dbd.N--OH,wherein (1) each R.sub.4 is independently cyano; (C.sub.1-6 alkoxy)carbonyl; (C.sub.3-6 alkenyl)oxycarbonyl; (C.sub.3-6 alkynyl)oxycarbonyl; or (C.sub.1-6 alkoxy)carbonyl, (C.sub.3-6 alkenyl)oxycarbonyl or (C.sub.3-6 alkynyl)oxycarbonyl substituted by one or two substituents independently selected from chloro, bromo, C.sub.1-4 alkyl, C.sub.

Abstract: Compounds of the formula ##STR1## and mixtures thereof, wherien p1 R.sub.1 is hydrogen, chloro or bromo, p1 R.sub.2 is hydrogen, chloro, bromo or nitro, p1 R.sub.3 is hydrogen, chloro, bromo, nitro or --SCN, p1 R.sub.4 is hydrogen, chloro or bromo, p1 R.sub.5 is hydrogen or C.sub.1-4 alkyl, and p1 R.sub.5 is C.sub.8-14 alkyl,with the provisos that (i) at least one of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 is other than hydrogen, (ii) when R.sub.3 is nitro or --SCN, R.sub.2 is other than nitro, and (iii) when two or more of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 are halo, then R.sub.3 is one of those halos, are useful as disperse dyes for dyeing substrates such as synthetic and semi-synthetic, hydrophobic, high molecular weight organic materials.

Abstract: A Monoazo compounds of the formula ##STR1## wherein D is a diazo component radical of the 4-nitrophenyl series, thienyl-2 series, thiazolyl-2 series or 5-nitrobenzoisothiazolyl-3 series,R.sub.1 is hydrogen; C.sub.1-2 alkyl; C.sub.1-2 alkoxy; formylamino; (C.sub.1-4 alkyl)carbonylamino; (C.sub.1-4 alkyl)carbonylamino the alkyl group of which is substituted by 1 to 3 substituents independently selected from halo, C.sub.1-3 alkoxy, cyano, phenyl, phenoxy and benzyloxy; (C.sub.2-4 alkenyl)carbonylamino; halo(C.sub.2-4 alkenyl)carbonylamino; benzoylamino; benzoylamino the phenyl group of which is substituted by 1 to 3 substituents independently selected from halo, C.sub.1-4 alkyl and C.sub.1-4 alkoxy; (C.sub.1-4 alkoxy)carbonylamino; (C.sub.1-4 alkoxy)carbonylamino the alkyl moiety of which is substituted by 1 to 3 substituents independently selected from halo, C.sub.1-3 alkoxy, cyano, phenyl, phenoxy and benzyloxy; (C.sub.8-14 alkyl)carbonylamino or (C.sub.8-14 alkoxy)carbonylamino,R.sub.2 is C.sub.

Abstract: Compositions comprising(a) 30-70% by weight of one or more compounds of the formula ##STR1## wherein each R.sub.1 is independently C.sub.2-4 alkyl, and R.sub.3 is methyl or ethyl; and(b) 30-70% by weight of one or more compounds of the formula ##STR2## wherein R.sub.4 is chloro, bromo or iodo each R.sub.5 is independently C.sub.2-4 alkyl, and R.sub.6 is methyl or ethyl are useful for dyeing substrates comprising a synthetic or semi-synthetic hydrophobic organic material, e.g., polyester, by, for example, the rapid dyeing process.

Abstract: Compounds of the formula ##STR1## wherein each of R and R.sub.1 is independently hydrogen, C.sub.1-4 alkyl, phenyl or phenyl substituted by 1 to 3 C.sub.1-4 alkyl, C.sub.1-4 alkoxy or halo substitutents orR and R.sub.1 taken together are trimethylene or tetramethylene,each of R.sub.2 and R.sub.3 is independently allyl, C.sub.1-4 alkyl, phenyl (C.sub.1-4 alkyl) or C.sub.2-4 alkyl monosubstituted by hydroxy, cyano or carbamoyl, ##STR2## wherein R.sub.5, R.sub.6, R.sub.7 and R.sub.8 are as defined in the specification, andA.sup..crclbar. is an anion, and mixtures thereof with cationic 5-hydroxypyrazole dyes, are useful for dyeing and printing materials dyeable with basic dyes, e.g., homopolymers and copolymers of acrylonitrile and asymmetrical dicyanoethylene, polyamides and polyesters modified to contain acidic groups, leather and paper.

Abstract: Disclosed is a method of rapid dyeing a substrate comprising polyester fibres at a temperature above 100.degree. C. comprising bringing into contact with the substrate an aqueous dyebath containing a mixture of at least two disperse dyes having each individually specific physicochemical properties.

Abstract: Basic dyes free from sulfo groups of the formula ##STR1## in which Q signifies an unsubstituted or substituted phenyl or naphthyl radical,R.sub.1 and R.sub.2 signify hydrogen, unsubstituted or substituted alkyl, phenyl or cycloalkyl,R.sub.3 signifies hydrogen, unsubstituted or substituted alkyl or phenyl,the Z containing group signifies a heterocyclic diazo radical containing a quaternary ammonium group,R.sub.4 signifies unsubstituted or substituted alkyl, alkenyl, cycloalkyl or alkoxy,x signifies 1 to 3,A.crclbar. signifies an anion, andD signifies an unsubstituted or substituted phenylene or naphthylene radical are useful for dyeing and printing homo- and co-polymers of acrylonitrile and asymmetrical dicyanoethylene and synthetic polyamides and polyesters modified to contain acid groups. The obtained dyeings are level and fast to light and wet treatments.

Abstract: Disclosed is a process for imparting coloration of good light fastness to a substrate comprising or consisting of homo- and co-polymers of acrylonitrile or of dicyanoethylene, or acid modified synthetic polyamide or polyester, which process comprises mass dyeing, dyeing or printing such substrate, employing, as dyestuff, a compound or mixture of compounds of formula I, ##STR1## wherein either R is hydrogen, or a straight or branched chain C.sub.1--8 alkyl radical, unsubstituted or mono-substituted by OH, CN, Cl, Br, CONH.sub.2, C.sub.1--4 -alkoxy, phenyl, phenoxy, --O--CO--R.sub.5 or --CO--O--R.sub.5,and R.sub.1 is a straight or branched chain C.sub.1--8 alkyl radical, unsubstituted or mono-substituted by OH, CN, Cl, Br, --CONH.sub.2, C.sub.1--4 alkoxy, phenyl, phenoxy, --O--CO--R.sub.5 or --CO--O--R.sub.5 ; or phenyl, unsubstituted or monosubstituted by halogen, C.sub.1--4 alkyl or C.sub.1--4 alkoxy,or R and R.sub.

Abstract: Basic dyes, e.g., azo dyes and anthraquinone dyes, free from sulphonic acid groups which contain, a group of the formula ##STR1## in which R and R.sub.1, independently, are substituted or unsubstituted C.sub.1-4 alkyl or are linked to form a ring, orone of R and R.sub.1 is -NH.sub.2 or C.sub.1-4 alkoxy and the other is substituted or unsubstituted alkyl,R.sub.2 and R.sub.3, independently, are hydrogen or C.sub.1-4 alkyl,Y is a bridging group,Q is unsubstituted or substituted phenyl, biphenylyl, naphthyl or ##STR2## in which R.sub.7 is --S--, --O--, ##STR3## where R.sub.8 is C.sub.1-4 alkyl, and A.crclbar. is an anion. These dyes are useful for the dyeing and printing of polymers and copolymers of acrylonitrile and asymmetrical dicyanoethylene as well as polyesters and polyamides modified to contain acid groups. The dyes build-up well and exhibit good pH stability and stability to boiling.

Abstract: Disclosed are cationic dyestuffs being coumarin or coumarinimide derivatives free from sulpho groups, bearing a 7-amino group and being characterized by having, in the 3-position, a cationic group of formula (a), ##STR1## in which A.sup..crclbar. signifies an anion,eitherR.sub.5 .degree. signifies hydrogen or optionally substituted alkyl or cycloalkyl, andR.sub.6 .degree. signifies hydrogen, or optionally substituted alkyl or cycloalkyl, or, where R.sub.5 .degree. is hydrogen, also hydroxy, naphthyl, optionally substituted amino or alkoxy, or phenyl monosubstituted by phenoxy, chlorophenoxy,benzyl, amino or C.sub.1 -C.sub.4 alkylamino,orR.sub.5 .degree. and R.sub.6 .degree., together with the nitrogen to which they are attached, signify a non-aromatic heterocycle,and the dotted line indicates that the positive charge is not localized, their productionand use for dyeing and printing basic dyeable substrates, plastics and paper, particularly acid modified polyester substrates.

Abstract: Compounds of the formula ##STR1## in which R.sub.1 signifies a substituted thiazole, thiadiazole, isothiazole, oxadiazole or thiophene radical,R.sub.2 signifies hydrogen or an optionally substituted hydrocarbon radical,R.sub.3 signifies hydrogen or an optionally substituted alkyl radical,R.sub.4 signifies hydrogen or an alkyl radical which is unsubstituted or substituted by an aryl radical,K.sup..sym. signifies an ammonium, cycloimmonium, hydrazinium, aminoxide or optionally substituted etherified hydroxyammonium group,A.sup.n.crclbar. signifies an anion,n signifies 1, 2 or 3, and the ring B is unsubstituted or monosubstituted, provided that at least one of R.sub.3 and R.sub.4 is other than hydrogen, and provided that the molecule does not contain a water-solubilizing group.

Abstract: Disclosed are basic azo dyes, free from sulphonic acid groups, and of formula, ##STR1## in which Q signifies an unsubstituted or substituted phenyl or naphthyl radical,R.sub.1 signifies hydrogen, unsubstituted or substituted C.sub.1-4 alkyl, phenyl or cyclohexyl,Z signifies a ring forming residue,R.sub.4 signifies optionally substituted alkyl, alkenyl, alkoxy or cycloalkyl,K signifies a coupling component,A.crclbar. signifies an anion, andx signifies 1, 2 or 3.The dyes are useful for dyeing and printing textiles of polymers and copolymers of acrylonitrile and dicyanoethylene as well as synthetic polyamides and polyesters that have been modified to contain acid groups. The dyeings are level and exhibit good fastness to light, wet treatments, perspiration, sublimation, pressing and dry cleaning.

Abstract: Disclosed are basic dyes, e.g., azo dyes and anthraquinone dyes free from sulphonic acid groups and which contain, as characteristic group, a group of the formula ##STR1## in which R and R.sub.1, independently, are substituted or unsubstituted C.sub.1-4 alkyl or are linked to form a ring, orOne of R and R.sub.1 is --NH.sub.2 or C.sub.1-4 alkoxy, the other substituted or unsubstituted alkyl,R.sub.2 and R.sub.3, independently, are hydrogen or C.sub.1-4 alkyl,Y is a bridging group,Q is unsubstituted or substituted phenyl, biphenylyl, naphthyl or ##STR2## in which R.sub.7 is ##STR3## where R.sub.8 ic C.sub.1-4 alkyl, andA.sup.- is an anion. These dyes are useful for the dyeing and printing of polymers and copolymers of acrylonitrile and asymmetrical dicyanoethylene as well as polyesters and polyamides modified to contain acid groups. The dyes build-up well and exhibit good pH stability and stability to boiling.

Abstract: Disclosed are basic dyes free from sulphonic acid groups of the formula ##STR1## in which F.sup.+ signifies a cationic group-containing residue of a dye such as an azo, styryl, azomethine, methine, anthraquinone, nitro or triphenylmethyl dye,x signifies 1, 2 or 3,y signifies 1, 2, 3 or 4,A.sup.+ signifies an anion, andQ signifies an optionally substituted biphenylyl, dibenzofuranyl, carbazolyl, dibenzothiophenyl, dibenzothiophendioxydyl, dibenzothiophenmonoxydyl, fluorenyl or fluorenonyl radical, andR.sub.1 signifies hydrogen, phenyl, cycloalkyl, unsubstituted C.sub.1-4 alkyl or C.sub.1-4 alkyl substituted by halogen, C.sub.1-4 alkoxy or phenoxy.These dyes are useful for dyeing and printing polyacrylonitrile and poly-asymmetrical dicyanoethylene and copolymers thereof as well as modified polyesters and polyamides containing acid groups. The dyes build-up well and exhibit good pH stability and stability to boiling.

Abstract: Basic azo dyes free from sulphonic acid groups of the formula ##EQU1## in which R signifies an alkyl or alkenyl radical, R.sub.1 and R.sub.3 independently signify hydrogen, hydroxyl, halogen, an alkyl, aryl, cycloalkyl, alkoxy, aryloxy, amino or alkylthio radical,R.sub.2 signifies hydrogen, an alkyl, aryl or cycloalkyl radical,R.sub.4 signifies the radical of a coupling component of the aliphatic, benzene, naphthalene or heterocyclic series, andA.sup.- signifies an organic or inorganic anion,Which compounds are useful for dyeing synthetic materials, leather and paper and for pigmenting plastics.