Process for preparation of aromatic acyl chloride

Details Process for preparation of aromatic acyl chloride Process for preparation of aromatic acyl chloride

1978-07-10

1979-09-11

Bascomb, Jr., Wilbur L.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260544P, 203 29, 203 35, 203 31, 203 96, B01D 334, C07C 6300

Patent

active

041675258

ABSTRACT:
An aromatic acyl chloride is obtained with industrial advantages by reacting an aromatic carboxylic acid, phosphorus trichloride and chlorine, treating the reaction mixture comprising by-produced phosphorus pentachloride with at least one treating agent selected from water and phosphorus compounds to convert the phosphorus pentachloride into phosphorus oxychloride, and then subjecting the resulting reaction mixture to distillation to obtain the desired aromatic acyl chloride.

REFERENCES:
patent: 1888713 (1932-11-01), Britton et al.
patent: 1906761 (1933-05-01), Luthy et al.
patent: 2048768 (1936-07-01), Anderson
patent: 3220935 (1965-11-01), Nations et al.
patent: 4091017 (1978-05-01), Richtzenhain

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