Preparation and use of nitroterephthalamic acids

Details Preparation and use of nitroterephthalamic acids Preparation and use of nitroterephthalamic acids

1983-04-18

1985-11-05

Trousof, Natalie

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acids and salts thereof

562458, 564134, C07C10206

Patent

active

045515492

ABSTRACT:
2- and 3-Nitroterephthalamic acids are prepared by ammonolysis of dialkyl nitroterephthalates. The terephthalamic acids are useful as intermediates in the preparation of difunctional compounds useful in the preparation of aromatic polyamides and polybenzimidazoles.

REFERENCES:
patent: 3389166 (1968-06-01), Loev
patent: 3892797 (1975-07-01), Gengnagel
patent: 3931210 (1976-01-01), Zengel et al.
patent: 4069248 (1978-01-01), Wanderwerff
Chemical Abstracts, vol. 84, Abstract No. 164495a, (1976), Hirose et al.

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