Disazo dyestuffs having an acylamino group and an aromatic-oxy group on different terminal moieties

Claim 2

A disazo dye of the formula: ##STR28## wherein R is an araliphatic or aromatic radical, X 1 is --CO--R 1 , --COOR 1 or --CO--N(R 1 ) 2 , wherein said R 1 radical independently are hydrogen or an aliphatic, cycloaliphatic, araliphatic or aromatic radical; X 2 is hydrogen, phenyl or an aliphatic or araliphatic radical; or X 1 and X 2 form a heterocyclic radical of the formula ##STR29## rings A, B and C optionally being substituted and rings B and C optionally being fused with a benzo ring.

Claim 3

The disazo dye of claim 1, wherein said amido radical of group X 1 has the formula: --CO--NHR 1 , wherein R 1 is as identified above.

Claim 4

The disazo dye of claim 1, of the formula: ##STR30## where B 1 is hydrogen, chlorine, methyl, ethyl, phenyl, methoxy or ethoxy, B 2 is hydrogen, chlorine or methyl, B 3 is hydrogen, chlorine, methyl, ethyl, acetylamino or C 1 -C 4 -alkoxy, B 4 is hydrogen, methyl or C 1 -C 4 -alkoxy, B 3 and B 4 together may also be a fused benzo ring, B 5 is hydrogen, methyl, chlorine or C 1 -C 4 -alkoxy, B 6 is hydrogen, methyl or C 1 -C 4 -alkoxy, X 3 is C 1 -C 8 -alkanoyl or benzoyl, X 4 is hydrogen, C 1 -C 4 -alkyl or phenyl, X 3 and X 4 together may also be a radical of the formula: --CO--(CH 2 ) 3 --, and R has the stated meanings.

Claim 5

The disazo dye of claim 1, wherein said group R 1 is hydrogen; alkenyl; cycloalkyl of 5 to 8 carbon atoms; phenyl, methyl, ethyl or chloro substituted phenyl; or C 1 -C 12 -alkyl optionally interrupted by oxygen or optionally substituted by hydroxyl, chlorine, bromine, carbamyl, substituted carbamyl, cyano, C 1 -C 8 -alkoxy, C 1 -C 8 -alkanoyloxy, phenyl or substituted phenyl.

Claim 6

The disazo dye of claim 4, wherein said radical R 1 is CH 3 , C 2 H 5 , n--C 3 H 7 , n--C 4 H 9 , n--C 6 H 13 , CH 2 --CH(C 2 H 5 )C 4 H 9 --n, n--C 8 H 17 , n--C 10 H 21 , n--C 12 H 25 , --C 2 H 4 OCH 2 CH(C 2 H 5 )C 4 H 9 --n, CH 2 CH═CH 2 , --C 2 H 4 Cl, --C 2 H 4 Br, --C 2 H 4 OCH 3 , --C 2 H 4 OC 2 H 5 , --C 2 H 4 OC 6 H 5 , --C 6 H 11 , --C 6 H 5 , --C 6 H 4 CH 3 , --C 6 H 4 Cl, --C 6 H 4 C 2 H 5 , --CH 2 --C 6 H 5 , --CH 2 --C 6 H 4 --CH 3 , --CH 2 C 6 H 4 Cl, --CH 2 C 6 H 3 Cl 2 , CH 2 C 6 H 4 NO 2 , --CH 2 --C 6 H 4 CN, --C 2 H 4 C 6 H 5 , --C 3 H 6 C 6 H 5 , C 2 H 4 OC 6 H 5 , --C 3 H 6 --CN, --CH 2 --CONH 2 , --CH 2 CON(CH 3 ) 2 , CH 2 CON(C 2 H 5 ) 2 , CH 2 CONHC 6 H 5 , --CH 2 CO 2 CH 3 , --CH 2 CO 2 C 2 H 5 , --CH 2 CO 2 C 4 H 9 , --CH 2 --CO--CH 3 , CH 2 COC 6 H 5 , --CH 2 --CH(OH)C 6 H 5 , --CH 2 --CH(OH)CH 2 OC 6 H 5 , --CH 2 CH(OH)C 2 H 5 , --C 2 H 4 OCOCH 3 , --C 2 H 4 OCOC 3 H 7 , --CH 2 CH(C 2 H 5 )OCOCH 3 , --CH 2 CH(C 2 H 5 )OCOC 2 H 5 , ##STR31## or --C 2 H 4 OC 2 H 4 OC 6 H 5 .

Claim 7

The disazo dye of claim 1, wherein radical R is phenyl, p-chlorophenyl, --CH 2 --C 6 H 5 , --CH 2 --C 6 H 4 --Cl, --CH 2 --C 6 H 3 Cl 2 , --CH 2 --C 6 H 4 NO 2 , --CH 2 --C 6 H 4 --CN, --C 2 H 4 --C 6 H 5 , --C 3 H 6 --C 6 H 5 , --C 2 H 4 --O--C 6 H 5 , --C 2 H 4 OC 2 H 4 OC 6 H 5 , --CH 2 --CO--C 6 H 5 --CH 2 --CH(CH 3 )--C 6 H 5 or --CH 2 --C 6 H 4 --CH 3 .

Claim 8

The disazo dye of claim 1, wherein said ring B is substituted by chlorine, bromine, methyl, ethyl, acetylamino, C 1 -C 4 -alkoxy or phenoxy or is fused with a benzo ring optionally substituted by methoxy or ethoxy.

Claim 9

The disazo dye of claim 1, wherein said ring C is substituted by chlorine, methyl, ethyl, methoxy, ethoxy, phenyl or acetylamino.

Claim 10

The disazo of claim 1, wherein said ring A is substituted by chlorine, methyl or C 1 -C 4 -alkoxy.