Process for the preparation of a dicarboxylic acid dichloride

Details Process for the preparation of a dicarboxylic acid dichloride Process for the preparation of a dicarboxylic acid dichloride

1996-05-17

1997-04-01

Barts, Samuel

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

Organic compounds

Carboxylic halides

C07C 6300

Patent

active

056167954

ABSTRACT:
The present invention refers to a process for the preparation of 5-amino-2,4,6-triiodo-1,3-benzenedicarboxylic acid dichloride, comprising the reaction in heterogeneous phase between 5-amino-2,4,6-triiodo-1,3-benzenedicarboxylic acid and thionyl chloride, in a solvent selected from the group consisting of: (C.sub.7 -C.sub.16) linear or branched hydrocarbons, (C.sub.7 -C.sub.8) aromatic hydrocarbons, 1,1,1-trichloroethane, n-butylacetate, diglyme (diethylenglycoledimethylether), and in the presence of a catalytic amount of a tertiary amine.

REFERENCES:
patent: 4001323 (1977-01-01), Felder et al.
patent: 4348377 (1982-09-01), Felder et al.
patent: 4396598 (1983-08-01), Lin
patent: 5191120 (1993-03-01), Kneller
Chem Abtracts; 55:5884i Mar. 8, 1962.
Chem Abstracts; 55:24683g Nov. 17, 1961.
Chem Abstracts; 57:3367d Aug. 9, 1962.

Affiliated with

Also associated with

Rating

Process for the preparation of a dicarboxylic acid dichloride does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for the preparation of a dicarboxylic acid dichloride, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for the preparation of a dicarboxylic acid dichloride will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-540677