Process for the preparation of a dicarboxylic acid di-chloride

Details Process for the preparation of a dicarboxylic acid di-chloride Process for the preparation of a dicarboxylic acid di-chloride

1996-05-21

1997-09-30

Dees, Jose G.

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

Organic compounds

Carboxylic acid esters

560248, 560254, C07C 6714, C07C 6748

Patent

active

056727356

ABSTRACT:
The present invention refers to a Process for the preparation of oxylic acid dichloride of formula (I) comprising the reaction between 1,3-benzenedicarboxylic acid dichloride, in an aprotic dipolar solvent and in presence of a halogenhydric acid.

REFERENCES:
patent: 4001323 (1977-01-01), Felder et al.
patent: 4139605 (1979-02-01), Felder et al.
patent: 4364921 (1982-12-01), Speck et al.
patent: 5362905 (1994-11-01), Villa et al.
patent: 5550287 (1996-08-01), Cannata et al.

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