Process for the preparation of phthalocyanine reactive dyestuffs

Process for the preparation of phthalocyanine reactive dyestuffs of the formula ##STR32## wherein Pc denotes the radical of a copper phthalocyanine or nickel phthalocyanine,

• R.sub.1 and R.sub.2 denote hydrogen or optionally substituted alkyl,
• R.sub.3 and R.sub.4 denote hydrogen or optionally substituted alkyl,
• arylene denotes a phenylene radical which is optionally substituted by halogen atoms or C.sub.1 to C.sub.4 -alkyl groups,
• Z denotes ##STR33## wherein R.sub.5 and R.sub.6 denote hydrogen, optionally substituted aralkyl, optionally substituted aryl or optionally substituted alkyl,
• R.sub.7 denotes H or Cl and
• R.sub.8 denotes H, F or CH.sub.3,
• a denotes a number from 1 to 3,
• b denotes a number from 0 to 2,
• c denotes a number from 1 to 2 and
• a+b+c.ltoreq.4,
• characterised in that phthalocyanine-(sulphonic acid chloride)-sulphonic acids of the formula ##STR34## wherein p denotes a number from 0.5 to 1.8,
• q denotes a number from 1.2 to 3.5 and
• p+q=2 to 4,
• are reacted with c mols of a monoacylated arylenediamine of the formula ##STR35## wherein R.sub.3, R.sub.4 and arylene have the abovementioned meaning and
• acyl represents an acyl group,
• and, if appropriate, b mols of an amine of the formula ##STR36## wherein R.sub.1 and R.sub.2 have the abovementioned meaning, the acylamino group is saponified and the resulting aminophthalocyanine dyestuffs are reacted with c mols of a compound of the formula ##STR37## or with c mols of a compound of the formula ##STR38## wherein R.sub.5 -R.sub.8 have the abovementioned meaning.

Process for the preparation of phthalocyanine reactive dyestuffs of the formula ##STR39## wherein Pc denotes the radical of a copper phthalocyanine,

• R.sub.1 and R.sub.2 denote hydrogen, methyl or ethyl,
• R.sub.3 and R.sub.4 denote hydrogen, methyl or ethyl,
• arylene denotes a phenylene radical which is optionally substituted by halogen atoms or methyl or ethyl groups,
• Z denotes ##STR40## wherein R.sub.5 and R.sub.6 denote hydrogen, optionally substituted aralkyl, optionally substituted aryl or optionally substituted alkyl,
• R.sub.7 denotes H or Cl and
• R.sub.8 denotes H, F or CH.sub.3,
• .ltoreq.= a<3,
• 0<b.ltoreq.=1,
• c denotes 1 and
• a+b+c=3 to 4,
• characterised in that phthalocyanine-(sulphonic acid chloride)-sulphonic acids of the formula ##STR41## wherein p denotes a number from 0.5 to 1.8,
• q denotes a number from 1.2 to 3.5 and
• p+q=2 to 4,
• are reacted with c mols of a monoacylated arylenediamine of the formula ##STR42## wherein R.sub.3, R.sub.4 and arylene have the abovementioned meaning and
• acyl represents an acyl group,
• and, if appropriate, b mols of an amine of the formula ##STR43## wherein R.sub.1 and R.sub.2 have the abovementioned meaning, the acylamino group is saponified and the resulting aminophthalocyanine dyestuffs are reacted with c mols of a compound of the formula ##STR44## or with c mols of a compound of the formula ##STR45## wherein R.sub.5 -R.sub.8 have the abovementioned meaning.

Process for the preparation of phthalocyanine reactive dyestuffs of the formula ##STR46## wherein Pc denotes the radical of a nickel phthalocyanine,

• R.sub.3 and R.sub.4 denote hydrogen, methyl or ethyl,
• arylene denotes a phenylene radical which is optionally substituted by halogen atoms or methyl or ethyl groups,
• Z denotes ##STR47## wherein R.sub.5 and R.sub.6 denote hydrogen, optionally substituted alkyl, optionally substituted aralkyl or optionally substituted aryl,
• R.sub.7 denotes H or Cl and
• R.sub.8 denotes H, F or CH.sub.3,
• a denotes a number from 2 to 3,
• c denotes 1 and
• a+c=3 to 4,
• characterised in that phthalocyanine-(sulphonic acid chloride)-sulphonic acids of the formula ##STR48## wherein p denotes a number from 0.5 to 1.8,
• q denotes a number from 1.2 to 3.5 and
• p+q=3 to 4,
• are reacted with c mols of a monoacylated arylenediamine of the formula ##STR49## wherein R.sub.3, R.sub.4 and arylene have the abovementioned meaning and
• acyl represents an acyl group,
• the acylamino group is saponified and the resulting aminophthalocyanine dyestuffs are reacted with c mols of a compound of the formula ##STR50## or with c mols of a compound of the formula ##STR51## wherein R.sub.5 -R.sub.8 have the abovementioned meaning.