Preparation of aromatic diacid chlorides

Details Preparation of aromatic diacid chlorides Preparation of aromatic diacid chlorides

1974-01-30

1976-04-13

Sutto, Anton H.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 6322

Patent

active

039504140

ABSTRACT:
An aromatic dicarboxylic acid chloride, e.g., terephthaloyl chloride, is prepared by reacting chlorine with a solution of an aromatic dialdehyde in an inert solvent, e.g., carbon tetrachloride, at a temperature of about from 0.degree.C. to 125.degree.C. Essentially complete conversion of the aldehyde to the chloride is achieved under these conditions.

REFERENCES:
patent: 1851832 (1932-03-01), Henderson et al.
patent: 1880169 (1932-09-01), Bennett
patent: 2180772 (1939-11-01), Scherer
patent: 3274242 (1966-09-01), Etherington et al.

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