Method of preparing carboxylic acid chlorides of the benzene ser

Details Method of preparing carboxylic acid chlorides of the benzene ser Method of preparing carboxylic acid chlorides of the benzene ser

1977-07-07

1978-08-01

Schwartz, Gerald A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260652R, 260664, C07C 5158

Patent

active

041043006

ABSTRACT:
In a process for preparing substituted or unsubstituted carboxylic acid chlorides of the benzene series by contacting the corresponding carboxylic acid ester with an aromatic compound containing at least one nuclearly bound trichlormethyl group in the presence of a molybdenum catalyst, the improvement which comprises introducing into the reaction mixture prior to distillation of the carboxylic acid chloride a complexing agent which complexes with the molybdenum catalyst.

REFERENCES:
patent: 2700679 (1955-01-01), Carnahan et al.
patent: 3835187 (1974-09-01), Dyson

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