Phthalocyanine reactive dyestuffs

Reactive dyestuffs which, in the form of the free acids, correspond to the formula I ##STR39## wherein Pc is the radical of a phthalocyanine,

• R.sub.1 and R.sub.2 are identical or different and represent hydrogen, unsubstituted alkyl, alkyl substituted by OH, COOH or SO.sub.3 H, unsubstituted cycloalkyl, cycloalkyl substituted by OH, COOH or SO.sub.3 H, unsubstituted aralkyl, aralkyl substituted by OH, COOH or SO.sub.3 H in the aryl part, unsubstituted aryl, aryl substituted by OH, COOH, SO.sub.3 H or halogen, or wherein
• R.sub.1 and R.sub.2, together with the nitrogen atom between them form a heterocyclic radical selected from ##STR40## and wherein a is a number from 0 to 3,
• b is a number from 0 to 3 and
• c is a number from 1 to 4,
• wherein
• (a+b+c).ltoreq.4,
• and wherein
• the radicals A are identical or different and represent unsubstituted straight-chain alkylene with at least 2 carbon atoms, straight-chain C.sub.2 -C.sub.10 -alkylene substituted by OH, SO.sub.3 H or COOH;
• unsubstituted branched C.sub.3 -C.sub.10 -alkylene, branched C.sub.3 -C.sub.10 -alkylene substituted by OH, SO.sub.3 H or COOH;
• unsubstituted C.sub.5 -C.sub.7 -cycloalkylene, C.sub.5 -C.sub.7 -cycloalkylene substituted by OH, SO.sub.3 H or COOH
• R.sub.3 is hydrogen, unsubstituted C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.8 -alkyl substituted by COOH, SO.sub.3 H or OH;
• unsubstituted phenyl-C.sub.1 -C.sub.4 alkyl or naphthyl C.sub.1 -C.sub.4 -alkyl, phenyl-C.sub.1 -C.sub.4 -alkyl or naphthyl-C.sub.1 -C.sub.4 -alkyl substituted by OH, SO.sub.3 H or COOH
• R.sub.4 is a radical of the formula ##STR41## wherein R.sub.7 is unsubstituted C.sub.1 -C.sub.12 -alkyl, C.sub.1 -C.sub.12 -alkyl substituted by OH, SO.sub.3 H, COOH, halogen, C.sub.1 -C.sub.4 -alkoxy or phenoxy;
• unsubstituted C.sub.3 -C.sub.7 -cycloalkyl;
• C.sub.3 -C.sub.7 -cycloalkyl substituted by OH, COOH or SO.sub.3 H;
• unsubstituted benzyl, naphthylmethyl or phenethyl;
• benzyl, naphthylmethyl or phenethyl substituted by OH, SO.sub.3 H, COOH, halogen, NO.sub.2, C.sub.1 -C.sub.4 -alkyl or C.sub.1 -C.sub.4 -alkoxy;
• unsubstituted phenyl or naphthyl;
• phenyl or naphthyl substituted by OH, SO.sub.3 H, COOH, C.sub.1 -C.sub.4 -alkoxy, halogen, NO.sub.2, C.sub.1 -C.sub.4 -acyl or C.sub.1 -C.sub.4 -alkyl;
• unsubstituted hetero-aryl, hetero-aryl substituted by OH, SO.sub.3 H, COOH, halogen or C.sub.1 -C.sub.4 -alkyl;
• and wherein
• R.sub.5 is Z
• wherein
• Z is the radical of a halogenotriazine, a halogenopyrimidine, the radical of 2,3-dichloroquinoxaline-6-carboxylic acid chloride, 2,3-dichloroquinoxaline-6-sulphonic acid chloride, 2-chloroacetyl chloride or 2-chloroethanesulphonyl chloride,
• and wherein
• R.sub.6 is hydrogen, unsubstituted C.sub.1 -C.sub.8 -alkyl, C.sub.1 -C.sub.8 -alkyl substituted by COOH, SO.sub.3 H or OH;
• unsubstituted phenyl-C.sub.1 -C.sub.4 -alkyl, or naphthyl-C.sub.1 -C.sub.4 -alkyl, phenyl-C.sub.1 -C.sub.4 -alkyl or naphthyl-C.sub.1 -C.sub.4 -alkyl substituted by OH, SO.sub.3 H or COOH.