Monoazo compounds from 1-aminobenzene-2-carboxylic acid derivati

Details Monoazo compounds from 1-aminobenzene-2-carboxylic acid derivati Monoazo compounds from 1-aminobenzene-2-carboxylic acid derivati

1977-02-25

1981-09-01

Higel, Floyd D.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

106 23, 106288Q, 162162, 260208, C09B 2920, D06P 144, D06P 190

Patent

active

042871220

ABSTRACT:
Valuable pigments are obtained by diazotizing 1-aminobenzene-2-(carboxylic acid methyl or ethyl ester)-5-(2',3'-dichloro-anilide) and coupling it onto 1-(2'-hydroxy-3'-naphthoylamino)-4-acetamino-benzene. The resulting pigments are then subjected to a thermal aftertreatment. These pigments show a high tinctorial strength, a pure shade, a high fastness to migration, especially to overlacquering, to light and weathering and a high heat stability.

REFERENCES:
patent: 2208363 (1940-07-01), Fischer
patent: 3113938 (1963-12-01), Nakaten et al.
patent: 3321458 (1967-05-01), Lohe et al.
patent: 3336288 (1967-08-01), Stocker et al.

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