Disperse monoazo dyestuffs derived from 3,5-dinitro-2-amino thiophene as disazo component and an arylamine coupling component

A disperse monozao dyestuff, free from carboxylic and sulphonic acid groups which is of the formula:

• ##STR13## wherein V.sup.2 is selected from the group consisting of hydrogen, lower alkyl and lower alkoxy;
• W.sup.3 is selected from the group consisting of hydrogen, lower alkyl, lower alkoxy, chlorine and bromine;
• R.sup.1 is selected from the group consisting of hydrogen, lower alkyl, cyano lower alkyl, lower alkoxy lower alkyl, lower alkoxy lower alkoxy lower alkyl, hydroxy lower alkyl, lower alkylcarbonyloxy lower alkyl, lower alkoxycarbonyl lower alkyl, lower alkoxy lower alkoxy carbonyl lower alkyl, benzoyloxy lower alkyl, lower alkoxy lower alkoxy lower alkoxy carbonyl lower alkyl, lower alkoxy carbonyl lower alkylamino carbonyloxy lower alkyl, lower alkylsulphonyloxy lower alkyl, phenyl lower alkyl and phenoxy lower alkyl;
• and R.sup.2 is selected from the group consisting of hydrogen, lower alkyl, hydroxy lower alkyl, cyano lower alkyl, lower alkylcarbonyl lower alkyl, lower alkylcarbonyloxy lower alkyl, hydroxy lower alkoxy lower alkyl, lower alkoxycarbonyl lower alkyl, lower alkoxy lower alkoxycarbonyl lower alkyl, lower alkoxy lower alkoxy lower alkoxycarbonyl lower alkyl, chloro lower alkyl, chloro hydroxypropyl, cyano lower alkoxy lower alkyl, lower alkoxycarbonyl lower alkoxy lower alkyl, lower alkoxy lower alkyl, lower alkoxy lower alkoxy lower alkyl, chloro lower alkylcarbonyloxy lower alkyl, hydroxy lower alkoxy lower alkyl, lower alkoxy lower alkyl carbonyloxy lower alkyl, phenyl lower alkyl, phenoxy lower alkyl, lower alkylsulphonyloxy lower alkyl, lower alkoxycarbonyloxy lower alkyl, lower alkoxycarbonyl lower alkylaminocarbonyloxy lower alkyl, lower alkylamino sulphonyl lower alkyl, di(lower alkoxycarbonyl) lower alkyl, phenyl, cyclopentyl, phenoxycarbonyl lower alkyl, lower alkylcarbonyl lower alkoxy lower alkyl, benzoyloxy lower alkyl and cyano lower alkoxy carbonyl lower alkyl.

A disperse monoazo dyestuff, free from carboxylic and sulphonic acid groups, which is of the formula:

• ##STR14## wherein V is selected from the group consisting of hydrogen, chlorine, lower alkyl, lower alkoxy and lower alkoxy carbonyl lower alkoxy;
• W is selected from the group consisting of hydrogen, chlorine, bromine, lower alkyl, lower alkoxy lower alkyl, lower alkoxy carbonyl lower alkyl, lower alkoxy, lower alkoxycarbonyl lower alkoxy, lower alkylthio, lower alkoxycarbonyl lower alkylthio, lower alkoxy carbonyl, cyano, trifluoromethyl, lower alkylcarbonyl, lower alkylsulphonyl, benzoyloxy, lower alkylcarbonyloxy, and N-lower alkyl carbonamido;
• R.sup.1 is selected from the group consisting of hydrogen, lower alkyl, cyano lower alkyl, lower alkoxy lower alkyl, lower alkoxy lower alkoxy lower alkyl, hydroxy lower alkyl, lower alkylcarbonyloxy lower alkyl, lower alkoxycarbonyl lower alkyl, lower alkoxy lower alkoxy carbonyl lower alkyl, benzoyloxy lower alkyl, lower alkoxy lower alkoxy lower alkoxy carbonyl lower alkyl, lower alkoxy carbonyl lower alkylaminocarbonyloxy lower alkyl, lower alkylsulphonyloxy lower alkyl, phenyl lower alkyl and phenoxy lower alkyl;
• and R.sup.2 is selected from the group consisting of hydrogen, lower alkyl, hydroxy lower alkyl, cyano lower alkyl, lower alkylcarbonyl lower alkyl, lower alkylcarbonyloxy lower alkyl, hydroxy lower alkoxy lower alkyl, lower alkoxycarbonyl lower alkyl, lower alkoxy lower alkoxycarbonyl lower alkyl, lower alkoxy lower alkoxy lower alkoxybarbonyl lower alkyl, chloro lower alkyl, chloro hydroxypropyl, cyano lower alkoxy lower alkyl, lower alkoxycarbonyl lower alkoxy lower alkyl, lower alkoxy lower alkyl, lower alkoxy lower alkoxy lower alkyl, chloro lower alkylcarbonyloxy lower alkyl, hydroxy lower alkoxy lower alkyl, lower alkoxy lower alkyl carbonyloxy lower alkyl, phenyl lower alkyl, phenoxy lower alkyl, lower alkylsulphonyloxy lower alkyl, lower alkoxycarbonyloxy lower alkyl, lower alkoxycarbonyl lower alkylaminocarbonyloxy lower alkyl, lower alkylamino sulphonyl lower alkyl, di(lower alkoxycarbonyl)-lower alkyl, phenyl, cyclopentyl, phenoxycarbonyl lower alkyl, lower alkylcarbonyloxy lower alkoxy lower alkyl, benzoyloxy lower alkyl and cyano lower alkoxy carbonyl lower alkyl.