Water-soluble, metal-free phthalocyanine dyes, processes for their preparation and their use

摘要

there are phthalocyaninfarbstoffe of formula (1) described in the h2pc $f1, the rest of the phthalocyanins is $a m hydrogen or a alkalimetall or another salzbildendes metal, r1 is hydrogen or less alkyl, with less alkoxy, cyano, lower level alkanoylamino, carboxy, sulpho, phosphato, sulfato, hydroxy or lower level dialkylamino substituted can ber2 is hydrogen or less alkyl, the substituent r1 provided for or phenyl, sulfophenyl or carboxylphenyl may be substituted, or r1 and r2 together with the stickstoffatom a 4 - to 8gliedrigen heterocyclischen saturated ring to form a rest of the form b l (2a) or (2b) $f2 in which r3 is hydrogen, alkyl or inferior inferior alkoxy,r4 hydrogen, halogen, alkyl or inferior inferior alkoxy, m the number zero or 1, and n is the number of 0, 1 or 2, mean group - so2 - y a faserreaktiver rest of the vinylsulfonreihe is a is a number from zero to 3, b is a number from zero to 2 and c is a number from 1 to 4 mean while the sum me by (a + b + c) is equal to 1 to 4 respectively.the dyes are used for dyeing of hydroxy - and / or carboamidgruppenhaltigem material, particularly textile material, such as cellulosefasern, wool and synthetic polyamide fibres.