1,3,5,7-Naphthalenetetracarboxylic acids and process for prepara

Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal

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Details

2604299, 260475B, 260515P, 260525, C07C 6340, C07C 6976

Patent

active

039548406

ABSTRACT:
A novel 1,3,5,7-naphthalenetetracarboxylic acid, an alkali salt thereof, or an ester thereof, and a novel process for preparation thereof, and method of effective purification thereof.

REFERENCES:
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patent: 3042717 (1962-07-01), Schenk
patent: 3101368 (1963-08-01), Schenk
patent: 3255235 (1966-06-01), Coran et al.
patent: 3320303 (1967-05-01), Schenk et al.
patent: 3746752 (1973-07-01), Kuper
McNelis, J. Org. Chem., Vol. 30, pp. 1209-1213, (1965).

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