Process for the manufacture of carboxylic acid chlorides

Details Process for the manufacture of carboxylic acid chlorides Process for the manufacture of carboxylic acid chlorides

1974-04-24

1976-06-08

Terapane, John F.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 5158

Patent

active

039623262

ABSTRACT:
Process for preparing carboxylic acid chlorides by reaction of carboxylic acids or carboxylic anhydrides with phosgene at temperatures of from 0.degree. to 180.degree.C in the presence of a catalyst, wherein 0.01 to 10 weight percent, calculated on the carboxylic acid or the carboxylic anhydride, of trisubstituted phosphine oxides or trisubstituted phosphine sulfides or reaction products of these compounds with phosgene and/or acids or acid anhydrides or mixtures of these compounds are used as catalyst.

REFERENCES:
patent: 3184506 (1965-05-01), Parker et al.
patent: 3318950 (1967-05-01), Christoph et al.
patent: 3673247 (1972-06-01), Hill et al.
Fieser et al., "Organic Chemistry," Reinhold Publishing Corp. (1956) p. 589.
Mar., "Advanced Organic Chemistry", McGraw-Hill N.Y. (1968) pp. 325, 319, 320, 335, 778.
Mar., "Advanced Organic Chemistry", McGraw-Hill N.Y. (1968) pp. 346, 374.

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