Azo dyes having an optionally substituted 1-azo-3-nitro-4-arylam

Details Azo dyes having an optionally substituted 1-azo-3-nitro-4-arylam Azo dyes having an optionally substituted 1-azo-3-nitro-4-arylam

1974-11-29

1977-09-13

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260152, 260153, 260154, 260156, 260157, 260158, 260162, 260163, 260186, 260187, 260191, 260196, 260197, 260205, 260206, 260207, 2602071, C09B 2908, C09B 2932, C09B 2936, C09B 3104

Patent

active

040481530

ABSTRACT:
Water-soluble azo dyes of the formula ##STR1## in which R.sub.1 signifies an aromatic or heterocyclic radical which may be substituted,

REFERENCES:
patent: 1086155 (1914-02-01), Geldermann et al.
patent: 1590728 (1926-06-01), Dorrer
patent: 2177427 (1939-10-01), Felix et al.
patent: 2879269 (1959-03-01), Merian
patent: 3502646 (1970-03-01), Canonica et al.
patent: 3514439 (1970-05-01), Wehrli et al.
patent: 3516982 (1970-06-01), Dimroth et al.
patent: 3535306 (1970-10-01), Altermatt et al.
patent: 3685952 (1972-08-01), Renfrew
patent: 3741954 (1973-06-01), Altermatt
patent: 3759892 (1973-09-01), Wicki
patent: 3865805 (1975-02-01), Altermatt
Venratarman, "The Chemistry of Synthetic Dyes", vol. I, p. 270 (1952).

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