Preparation of acyl chlorides

Details Preparation of acyl chlorides Preparation of acyl chlorides

1995-07-11

1997-04-22

Conrad, Joseph

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

Organic compounds

Fatty compounds having an acid moiety which contains the...

562861, C07C 5158

Patent

active

056230826

ABSTRACT:
Acyl chlorides are prepared by reacting a carboxylic acid or its anhydride with carbonyl chloride in the presence of a carboxamide of the formula I ##STR1## where R.sup.1 is a radical of the formula ##STR2## R.sup.2 and R.sup.3 are each alkyl of 1 to 9 carbon atoms, R.sup.4 and R.sup.5 are each hydrogen or alkyl of 1 to 9 carbon atoms and the two radicals R.sup.1 and R.sup.2 may furthermore be a hydrocarbon radical which completes the moiety ##STR3## to form a heterocyclic structure, and the stated alkyl and hydrocarbon radicals may furthermore contain substituents which are inert under the reaction conditions.

REFERENCES:
patent: 3318950 (1967-05-01), Christoph, Jr. et al.
patent: 4880576 (1989-11-01), Blank et al.

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