Phenyl azophenyl dyestuff

Details Phenyl azophenyl dyestuff Phenyl azophenyl dyestuff

1974-08-06

1976-10-19

Curtis, Allen B.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

2602071, 260187, 260158, C09B 2924

Patent

active

039870278

ABSTRACT:
Dyestuff of the formula: ##SPC1##
In which m is equal to 0 or 1, n is equal to 1, 2 or 3, A represents the residue of an aromatic or heterocyclic diazotizable amine devoid of solubilizing acid groups, the benzene ring B is unsubstituted or substituted by one or two atoms of chlorine or bromine or methyl, ethyl, methoxy, ethoxy or acylamino groups, X represents a hydrogen or chlorine atom or a methyl, ethyl, methoxy, ethoxy or acylamino group, Y represents a hydrogen atom or a methyl, ethyl, methoxy or ethoxy group, R represents a hydrogen atom, a mono substituted or unsubstituted alkyl group or a group of the formula: ##SPC2##
And Z represents a 2-cyanovinyl, 2-cyanoethyl or 2-chloro-2-cyanoethyl residue; process for the preparation of dyestuffs of the above formula; process for coloring hydrophobic materials with such dyestuffs; hydrophobic materials colored with such dyestuffs and esters of the formula: ##SPC3##
Wherein m, n, A, B, R, X, Y and Z have the meanings given above.

REFERENCES:
patent: 3707533 (1972-12-01), Pohl

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