Azo compounds deriving from 3-amino-4-lower carboalkoxy-benzoic

Details Azo compounds deriving from 3-amino-4-lower carboalkoxy-benzoic Azo compounds deriving from 3-amino-4-lower carboalkoxy-benzoic

1976-05-13

1977-11-01

Warren, Charles F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

560 45, C09B 2920

Patent

active

040565220

ABSTRACT:
Diazotation of 3-amino-4-carboalkoxy-benzoic acid (4'-phenoxy)-anilides which may be halogenated in said phenoxy nucleus and coupling on 2-hydroxy-3-naphthoic acid-(4'-benzoylamino)-anilides which may be further substituted in said anilide nucleus by halogen, lower alkyl or lower alkoxy, yields azo compounds which are valuable pigments of clear shades and high fastness to migration, light and weather.

REFERENCES:
patent: 3321458 (1967-05-01), Lohe et al.
patent: 3509124 (1970-04-01), Ronco et al.
patent: 3555005 (1971-01-01), Ronco et al.

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