New water-soluble reactive azo dyestuff cpds., for dyeing and printing cellulose@, polyamide - are amino-di:cyan-amino-triazinyl -amino-vinyl sulphonyl-aryl-azo -benzene-sulphonic acid cpds. or precursor cpds.

摘要

2-amino-4-(4,6-di(cyanamino)-s-triazin-2-yl-amino) -5-(vinylsulphonyl(alkyl)aryl-azo) -benzenesulphonic acid cpds. and their precursors of formula (I): are new. Y = vinyl or ethyl with a beta-substit. eliminated by alkali to form a vinyl gp.; D = phenylene, opt. 1 or 2 R1 and/or an R2 substit(s)., naphthylene, opt. with 1 or 2 R1 substit(s)., or benzothiazol-2-yl with an R2 substit. in the carbocyclic ring and opt. an R1 substit. on the benzene ring; R1 = 1-4C alkyl, 1-4C alkoxy, SO3H, Cl, Br, F, COOH, NO2, OH, 2-5C alkanoylamino or benzoylamino, opt. with Me, Et, OMe, OEt, Cl or SO3H substit(s).; R2 = (CH2)mSO2Y; m and n = 0, 1 or 2; Me = H or the molar equiv. of a metal pref. an alkali(ne earth) metal. D = phenylene, opt. with one or two 1-4, pref. 1-2C alkyl, 1-4, pref. 1-2C alkoxy, Cl or Br, esp. Me, MeO or EtO substit(s)., or naphthylene, opt. with 2 or esp. 1 SO3H substits.; partic. unsubstd. phenylene; n = 0. USE/ADVANTAGE - (I) are used for dyeing and printing material, esp. fibre material contg. OH and/or carboxamide gps. (claimed). (I) are water-soluble reactivef dyestuffs, which are very suitable for discharge and resist printing e.g. of natural and regenerated cellulose (cotton, linen, hemp, jute, ramie, staple rayon and viscose rayon), PVA and natural and synthetic polyamides and polyurethanes (wool, other animal hair, silk, leather and polyamides-6,6, -6, -11 and -4).