Triphendioxazine dyestuffs

A triphendioxazine dyestuff of the formula

• in which
• R represents hydrogen or C.sub.1 -C.sub.6 -alkyl, which is unsubstituted or substituted by a radical selected from the group consisting of --OH, --OCH.sub.3, OC.sub.2 H.sub.5, --COOH, --SO.sub.3 H, --CN and --Cl,
• R' represents hydrogen, halogen, carboxyl, C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxy
• T.sub.1 and T.sub.2 each represent hydrogen, chlorine, bromine, substituted or unsubstituted C.sub.1 -C.sub.4 -alkyl, substituted or unsubstituted C.sub.1 -C.sub.4 -alkoxy, substituted or unsubstituted phenyl or substituted or unsubstituted phenoxy;
• the alkyl and alkoxy substituents being selected from the group consisting of C.sub.1 -C.sub.4 -alkoxy and --OSO.sub.3 H, and the phenyl and phenoxy substituents being selected from the group consisting of --Cl, --Br, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy and --SO.sub.3 H,
• X represents hydrogen, lower alkyl;
• substituted or unsubstituted phenyl, the substituents being selected from the group consisting of Cl, F, lower alkyl and lower alkoxy, or represents a radical of the formula --S--R.sub.2 or --O--R.sub.3, in which
• R.sub.2 represents a phenyl radical which can be substituted by chlorine, sulpho or nitro, or represents a lower alkyl radical which can be substituted by hydroxyl or carboxyl, and
• R.sub.3 represents hydrogen, a lower alkyl radical or a phenyl radical which can be substituted by sulpho or carboxyl, or
• X represents an amino group of the formula ##STR56## in which R.sub.1 represents hydrogen, a lower alkyl radical, which is unsubstituted or mono- or disubstituted by hydroxyl, sulphato, lower alkoxy, sulpho, carboxyl or phenyl;
• or represents an araliphatic radical or a cycloaliphatic radical, and
• Z represents hydrogen, a lower alkyl radical, which is unsubstituted or substituted by hydroxyl, lower alkoxy, sulphato, sulpho or carboxyl, or represents an unsubstituted phenyl or naphthyl radical, or a phenyl or naphthyl radical which is substituted by halogen, lower alkyl, lower alkoxy, nitro, sulpho, carboxyl, sulphamoyl, carbamoyl, alkylcarbonylamino, phenylcarbonylamino, phenylureido, phenylsyulphonylamino, alkylaminocarbonyl, phenylaminocarbonyl, phenylsulphonylamino, phenoxy, thiophenoxy, phenylethenyl, phenylamino, phenylsulphonyl, phenylcarbonyl, each of which is substituted or unsubstituted, and the substituents for the substituted alkylcarbonylamino and alkylaminocarbonyl radicals being independently selected from the group consisting of sulpho, carboxyl, methoxy, hydroxyl and acetylamino, and the substituents for the phenyl parts of the substituted phenylcarbonylamino, phenylureido, phenylsulphonylamino, phenylaminocarbony, phenylsulphonylamino, phenoxy, thiophenoxy, phenylethenyl, phenylamino, phenylsulphonyl and phenylcarbonyl radicals being independently selected from the group consisting of sulpho, carboxyl, lower alkyl, lower alkoxy, chlorine, acetylamino, ureido and hydroxyl,
• Z represents unsubstituted benzyl or benzyl which is substituted by lower alkyl, lower alkoxy, sulpho or carboxyl, or
• represents hydroxyl, lower alkoxy, amino, phenylamino or lower alkylamino, or
• R.sub.1 and Z together with the nitrogen atom to which they are attached form a morpholine, piperidine, pyrrolidine or piperazine ring and
• Y represents ##STR57## in which R.sub.1 ' represents hydrogen, a lower alkyl radical, which is unsubstituted or mono- or disubstituted by hydroxyl, sulphato, lower alkoxy, sulpho, carboxyl or phenyl;
• or represents an araliphatic radical or a cycloaliphatic radical, and
• Z' represents hydrogen, a lower alkyl radical, which is unsubstituted or substituted by hydroxyl, lower alkoxy, sulphato, sulpho and carboxyl, or represents an unsubstituted phenyl or naphthyl radical or a phenyl or naphthyl radical which is substituted by halogen, lower alkyl, lower alkoxy, nitro, sulpho, carboxyl, sulphamoyl, carbamoyl or alkylcarbonylamino, or represents an unsubstituted benzyl radical or a benzyl radical which is substituted by lower alkyl, lower alkoxy, sulpho or carboxyl, or represents hydroxyl, lower alkoxy, amino, phenylamino or a lower alkylamino group, or
• R.sub.1 ' and Z' together with the nitrogen atom to which they are bound, represent a morpholine, piperidine, pyrrolidine or piperazine ring, or
• Z' represents the radicals Z.sub.1 ', Z.sub.2 ' or Z.sub.5 ' in which ##STR58## in which the phenylene or naphthylene radical A and the phenyl or naphthyl radical C can be substituted and B represents a direct bond or a bridging member selected from the group consisting of ##STR59## Z.sub.2 ' represents one of the following radicals:
• ##STR60## in which D represents the radical of a substituted or unsubstituted benzene or naphthalene ring and the phenyl or naphthyl ring C can be substituted,
• E represents a substituted or unsubstituted phenylene or naphthalene radical and
• G represents the radical of a substituted or unsubstituted benzene or naphthalene ring, and
• Z.sub.5 ' represents ##STR61## n represents 0 or 1, wherein when n represents 1 the sulpho group is in the ortho position relative to substituents ##STR62## the substituents for A, C, D, E and G being independently selected from the group consisting of fluorine, chlorine, bromine, C.sub.1 -C.sub.4 -alkyl, C.sub.1 -C.sub.4 -alkoxy, nitro, sulpho, carboxyl, hydroxyl, C.sub.1 -C.sub.4 -alkylcarbonylamino, phenylcarbonylamino, phenylureido and ureido, each of which is itself unsubstituted or substituted by chlorine, methoxy or methyl, and wherein C can further be substituted by phenyl-or naphthylazo groups.