Abstract:
Triphendioxazine compounds corresponding to the formula ##STR1## which are suitable as fiber-reactive dyestuffs for dyeing and printing material, in particular fiber material, containing hydroxy and/or carboxamide groups, such as wool and synthetic polyamide fibers, and especially cellulose fibers, such as cotton, are described. In formula (1), M is hydrogen or an alkali metal and Z is a radical of the formula (2) ##STR2## in which R is hydrogen, sulfo, alkyl having 1 to 4 carbon atoms, alkoxy having 1 to 4 carbon atoms, nitro or cyano, W is alkylene having 3 to 6 carbon atoms and the group --SO.sub.2 --Y is a fiber-reactive group of the vinyl sulfone series.
Abstract:
Water-soluble monoazo compounds according to the general formula (1) below having valuable fiber-reactive dyestuff properties which dye carboxamido- and/or hydroxy-containing materials, in particular cellulose fibers, in fast yellow to orange hues. ##STR1## in which the symbols denote: M is hydrogen or an alkali metal,R.sup.1 is hydrogen, methyl, ethyl, methoxy, ethoxy, chlorine, bromine, carboxy or sulfo,R.sup.2 is hydrogen, methyl, ethyl, methoxy, ethoxy, chlorine, or bromine,R is carboxy or lower carbalkoxy,n is the number zero or 1,X and Y independently of each other are each .beta.-thiosulfatoethyl or .beta.-sulfatoethyl or vinyl, however, in the case of X and/or Y being equal to vinyl the index n must be 1.
Abstract:
Disazo dyestuffs containing sulfo groups and having fiber-reactive properties, which are capable of dyeing materials containing hydroxyl groups and/or carboxamide groups, in particular fiber materials, such as synthetic polyamide fibers, wool and in particular cellulose fiber materials, in deep fast shades. They contain a group corresponding to the formula ##STR1## in which R.sup..alpha. is hydrogen or alkyl having 1 to 4 carbon atoms, which can be substituted by carboxyl, sulfo, cyano, hydroxyl or chlorine;B is fluorine, chlorine, bromine, lower alkylsulfonyl, phenylsulfonyl, methoxy or sulfo;Q is a group of the formula ##STR2## in which Y is vinyl, .beta.-sulfatoethyl, .beta.-halogenoethyl, .beta.-thiosulfatoethyl, .beta.-phosphatoethyl or .beta.-acetoxyethyl,R is hydrogen or lower alkyl,k is the number zero to 4 andX, together with the N atom, forms the bivalent radical of a heterocyclic ring which optionally contains additional hetero atoms.
Abstract:
Water-soluble dyes having fiber-reactive properties and conforming to the general formula (1) ##STR1## where F is the radical of a metal-free or heavy metal complex monoazo or disazo dye which contains at least one sulfo group,n is 1 or 2,Y is vinyl, .beta.-sulfatoethyl, .beta.-haloethyl, .beta.-thiosulfatoethyl, .beta.-phosphatoethyl or .beta.-acetoxyethyl,R.sup..alpha. is hydrogen or lower alkyl which may be substituted by carboxy, sulfo, cyano, hydroxyl or chlorine,A is a group of the general formula (2a) or (2b) ##STR2## where G is alkylene of 1 to 6 carbon atoms, alkylene of 2 to 6 carbon atoms which is interrupted by 1 or 2 hetero groups, or methyl-substituted cycloalkylene,R is hydrogen, halogen, hydroxy, sulfato, cyano, carboxy, carbamoyl, lower carbalkoxy, lower alkanoylamino, substituted or unsubstituted benzoylamino or a group of the formula --SO.sub.2 --Y.sup.2 where Y.sup.2 has one of the meanings of Y or is .beta.-hydroxyethyl,k is zero, 1 or 2,k* is zero, 1, 2, 3, or 4,X forms together with the N-atom the bivalent radical of a heterocyclic ring,Y.sup.1 has one of the meanings specified for Y,W is hydrogen, methyl, sulfomethyl, carboxymethyl, substituted or unsubstituted lower alkyl, substituted or methyl-substituted cycloalkylene or substituted or unsubstituted phenyl, andB has one of the meanings specified for A.The dyes of the general formula (1) make it possible to obtain strong, fast dyeings and prints on carboxamido-containing and/or hydroxy-containing materials, in particular fiber materials, such as wool, synthetic polyamide and in particular cellulose fiber materials.
Abstract:
Monoazo compounds conforming to the general formula (1) shown and defined hereinafter have very good fiber-reactive dye properties and dye hydroxy- and/or carboxamido-containing material, in particular fiber material, such as wool and in particular cellulose fibers, in strong fast shades. ##STR1## where the symbols have the following meanings: D is a benzene or naphthalene ring or a heterocyclic radical,R.sup.1 and R.sup.2 are each independently of the other hydrogen, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, halogen, carboxy or sulfo,Z is a fiber-reactive grouping bonded to D either directly or via a bridge member,m stands for the number 1 or 2, preferably 1,R is alkyl of 1 to 4 carbon atoms which may be substituted for example by halogen, such as bromine and in particular chlorine, hydroxy, cyano, sulfo, carboxy, sulfato or phosphato, or is phenyl which may be substituted, for example by 1 or 2 substituents from the group consisting of methyl, ethyl, methoxy, ethoxy, chlorine, sulfo and carboxy, or is carboxy, carbamoyl or carbalkoxy of 2 to 5 carbon atoms,n stands for the number 2 or 3.
Abstract:
Water-soluble azo compounds, preparation thereof and use thereof as dyesThere are described monoazo compounds conforming to the formula (1) ##STR1## which are used as dyes having fiber-reactive properties for preparing strong, red, fast dyeings and prints on hydroxy- and/or carboxamido-containing material, in particular fiber material, such as wool and synthetic polyamide fibers and in particular cellulose fibers, such as cotton.In the formula (1):M is hydrogen or an alkali metal; R.sup.1 is hydrogen or sulfo; R.sup.2 is hydrogen, alkyl of 1 to 4 carbon atoms, alkoxy of 1 to 4 carbon atoms, sulfo, hydroxy, halogen or carboxy; R.sup.3 is hydrogen, halogen, alkyl of 1 to 4 carbon atoms or alkoxy of 1 to 4 carbon atoms; Y is vinyl or is ethyl which contains in the .beta.-position a substituent which is eliminable with alkali to form a vinyl group; p is 1 or 2; the one --SO.sub.3 M group is attached to the naphthalene ring para or meta to the amino group.
Abstract:
Water-insoluble azo dyestuffs suitable for dyeing and printing synthetic hydrophobic fiber materials are produced by azo coupling and have the formula ##STR1## wherein D is free from ionic moieties and is an unsubstituted or substituted phenyl, thiazole, isothiazole, benzthiazole, thiadiazole, benzisothiazole or thiophene moiety;A is alkylene having 2 to 6 carbon atoms which is unsubstituted or substituted by --OH;B is hydrogen, alkyl having 1 to 4 carbon atoms, hydroxyalkyl having 2 to 4 carbon atoms, alkoxyalkyl having 1 to 4 carbon atoms in the alkoxy moiety and a total of 3 to 8 carbon atoms, alkanoyloxyalkyl having 2 to 6 carbon atoms in the alkanoyl moiety and a total of 3 to 8 carbon atoms, hydroxypolyoxyalkylene having 4 to 12 carbon atoms, alkoxypolyoxyalkylene having 1 to 4 carbon atoms in the alkoxy moiety and a total of 5 to 16 carbon atoms, alkanoyloxypolyoxyalkylene having 2 to 5 carbon atoms in the alkanoyl moiety and a total of 5 to 16 carbon atoms, alkanoyl having 2 to 6 carbon atoms or benzoyl;R.sup.1 is hydrogen, methyl or chlorine;R.sup.2 is hydrogen, halogen, alkyl having 1 to 4 carbon atoms or alkoxy having 1 to 4 carbon atoms;and R.sup.3 is hydrogen or alkoxy having 1 to 8 carbon atoms.
Abstract:
The process for manufacture of an N-hydroxyalkylcarbazole of the formula ##STR1## wherein R is H, CH.sub.3 or C.sub.2 H.sub.5 and n is a number from 0 to 4 which comprises reacting carbazole with an epoxide of the formula ##STR2## or a chlorohydrin of the formula ##STR3## at temperatures from 20.degree. to 150.degree. C. in the presence of a base and a phase transfer catalyst, in an organic solvent which is immiscible with water.
Abstract:
A process for the manufacture of esters of aromatic sulphonic acids and aromatic aminohydroxy compounds, of the formula Ih.sub.2 n--a--o--so.sub.2 --b (i)comprising reacting an aromatic aminohydroxy compound of the formula IIh.sub.2 n--a--oh (ii)having a pK.sub.a value of from 8.5 to 10.1, with a sulphochloride of the formula IIIcl--SO.sub.2 --B (III)whereinA is phenylene, substituted phenylene, naphthylene or substituted naphthylene,B is phenyl, substituted phenyl, naphthyl or substituted naphthyl, and both A and B are free from --COOH and --SO.sub.3 H substituents;The reaction taking place in a reaction medium consisting essentially of water and a water-immiscible organic solvent for the sulphochloride,At a temperature of from 0.degree. to 95.degree. C., at a pH which is determined from and associated with the pK.sub.a value of said aromatic aminohydroxy compound of formula II by the equationpK.sub.a -pH=0.5 to -1.5, and in the presence of a phase transfer catalyst.
Abstract:
The invention relates to new 2,4-diaminophenyl tetrahydrofurfuryl ethers of the general formula VIII and to their salts with inorganic or organic acids ##STR1## in which R.sub.1, R.sub.2, R.sub.3 and R.sub.4, independently of one another, each represent a hydrogen atom, a (C.sub.1 -C.sub.4)alkyl group, hydroxy(C.sub.2 -C.sub.4)alkyl group, dihydroxy(C.sub.3 -C.sub.4)alkyl group, halogeno(C.sub.2 -C.sub.4)alkyl group, amino(C.sub.2 -C.sub.4)alkyl group or an amino(C.sub.2 -C.sub.4)alkyl group which is substituted once or twice by methyl, ethyl or hydroxyethyl radicals on the nitrogen, the carbon chain having a straight or branched arrangement, and it being a proviso that at least one of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 represents a hydrogen atom, to processes for their preparation, and to aqueous tinting compositions for keratin fibres such as fur and human hair, containing at least one coupler and at least one developing component together with customary additives and auxiliaries, the coupler corresponding to the general formula VIII or to the acid salts of these compounds.