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US 4,619,993 AGranted
Azo compounds having a 2,4-dinitro-5-thiocyanophenyl diazo component radical
AssigneeSandoz Ltd.
InventorWerner Baumann
Life of this patent
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Abstract
Compounds of the formula ##STR1## wherein K is a coupling component radical, are useful for dyeing textile materials comprising a synthetic or semisynthetic, hydrophobic, high molecular weight material, e.g., linear aromatic polyesters, cellulose 21/2 acetate, cellulose triacetate and synthetic polyamides.
Claims18
A compound of the formula ##STR21## wherein K.sub.1 is ##STR22## wherein A is C.sub.3-7 alkylene or --O--C.sub.2-4 alkylene, with the proviso that the oxygen atom of the --O--C.sub.2-4 alkylene-radical is attached to the asterisked atom,
- R.sub.1 is hydrogen, chloro, bromo, C.sub.1-4 -alkyl, C.sub.1-4 alkoxy, benzyloxy or --O--(CH.sub.2).sub.n --A.sub.1 --C.sub.1-6 alkyl,
- wherein
- A.sub.1 is --O--, --O--CO--, --O--CO--O-- or --CO--O--, and
- n is 1, 2, 3, 4, 5 or 6
- R.sub.2 is hydrogen, chloro, bromo, C.sub.1-2 alkyl, C.sub.1-4 alkoxy, phenyl(C.sub.1-3 alkoxy), acyloxy or acylamino, and each of
- R.sub.3 and R.sub.4 is independently hydrogen;
- C.sub.1-12 alkyl;
- C.sub.3-4 alkenyl;
- C.sub.3-4 alkynyl;
- benzyl;
- C.sub.2-6 alkyl substituted by 1 or 2 substituents each of which is independently hydroxy, C.sub.1-4 alkoxy, acyloxy, chloro, bromo, cyano, phenyl or phenoxy;
- or --(CH.sub.2).sub.n --A.sub.1 --C.sub.1-6 alkyl,
- wherein
- A.sub.1 and n are as defined above, with the proviso that any --(CH.sub.2).sub.n --A.sub.1 --C.sub.1-6 alkyl as R.sub.3 or R.sub.4 is other than --(CH.sub.2).sub.m --O--C.sub.1-4 -alkyl, --(CH.sub.2).sub.m --O--CO--C.sub.1-6 alkyl and --(CH.sub.2).sub.m --O--CO--O--C.sub.1-6 alkyl,
- wherein
- m is 2, 3, 4, 5 or 6.
13 more elements
A compound of the formula ##STR23## wherein K.sub.1 is ##STR24## wherein A is C.sub.3-7 alkylene or --O--C.sub.2-4 alkylene, with the proviso that the oxygen atom of the --O--C.sub.2-4 alkylene-radical is attached to the asterisked atom,
- R.sub.1 is hydrogen, chloro, bromo, C.sub.1-4 alkyl, C.sub.1-4 alkoxy, benzyloxy or --O--(CH.sub.2).sub.n --A.sub.1 --C.sub.1-6 alkyl,
- wherein
- A.sub.1 is --O--, --O--CO--, --O--CO--O-- or --CO--O--, and
- n is 1, 2, 3, 4, 5 or 6,
- R.sub.2 is hydrogen, chloro, bromo, C.sub.1-2 alkyl, C.sub.1-4 alkoxy, phenyl(C.sub.1-3 alkoxy), acyloxy or acylamino, and each of
- R.sub.3 and R.sub.4 is independently hydrogen;
- C.sub.1-12 alkyl;
- C.sub.3-4 alkenyl;
- C.sub.3-4 alkynyl;
- benzyl;
- C.sub.2-6 alkyl substituted by 1 or 2 substituents each of which is independently hydroxy, C.sub.1-4 alkoxy, acyloxy, chloro, bromo, cyano, phenyl or phenoxy;
- or --(CH.sub.2).sub.n --A.sub.1 --C.sub.1-6 alkyl,
- wherein
- A.sub.1 and n are as defined above, with the proviso that any --(CH.sub.2).sub.n --A.sub.1 --C.sub.1-6 alkyl as R.sub.3 or R.sub.4 is other than --(CH.sub.2).sub.m --O--C.sub.1-4 alkyl, --(CH.sub.2).sub.m --O--CO--C.sub.1-6 alkyl and --(CH.sub.2).sub.m --O--CO--O--C.sub.1-6 alkyl,
- wherein
- m is 2, 3, 4, 5 or 6,
- wherein each acylamino is independently --NH--CO--R.sub.5, --NH--CO--OR.sub.5, --NH--CO--NH.sub.2, --NH--CO--NHR.sub.5, --NH--CO--NR.sub.6 R.sub.7, --NH--SO.sub.2 R.sub.5, --NH--SO.sub.2 --NR.sub.6 R.sub.7 or --NH--CO--(CH.sub.2).sub.n --A.sub.1 --C.sub.1-6 alkyl,
- wherein
- A.sub.1 is --O--, --O--CO--, --O--CO--O-- or --CO--O--, with the proviso that when A.sub.1 is --O--, the C.sub.1-6 alkyl group attached thereto is a C.sub.4-6 alkyl group,
- R.sub.5 is C.sub.1-6 alkyl;
- C.sub.1-6 alkyl monosubstituted by chloro, bromo, hydroxy, C.sub.1-3 alkoxy or phenoxy;
- C.sub.5-6 cycloalkyl;
- C.sub.2-4 alkenyl;
- C.sub.2-4 alkenyl substituted by chloro or bromo;
- phenyl;
- phenyl substituted by 1 to 3 substituents each of which is independently chloro, bromo, C.sub.1-2 alkyl or C.sub.1-2 alkoxy;
- or C.sub.1-2 alkyl substituted by phenyl, each of
- R.sub.6 and R.sub.7 is independently C.sub.1-4 alkyl;
- C.sub.1-4 alkyl monosubstituted by chloro, bromo, hydroxy or C.sub.1-3 alkoxy;
- phenyl or phenyl substituted by 1 to 3 substituents each of which is independently chloro, bromo, C.sub.1-2 alkyl or C.sub.1-2 alkoxy or
- R.sub.6 and R.sub.7 taken together and with the nitrogen atom to which they are attached are pyrrolidino, piperidino or morpholino, and
- n is 1, 2, 3, 4, 5 or 6, and
- each acyloxy is independently --O--CO--R.sub.5, --O--CO--OR.sub.5, --O--CO--NR.sub.6 R.sub.7, --O--SO.sub.2 --R.sub.5 or --O--SO.sub.2 --NR.sub.6 R.sub.7,
- wherein
- R.sub.5, R.sub.6 and R.sub.7 are as defined above.
32 more elements
Dependencies are inferred from the claim text.