Title:
MANUFACTURE OF CARBOXYLIC ACID ANHYDRIDE
Document Type and Number:
Japanese Patent JPS58172340
Kind Code:
A
Abstract:
Carboxylic acid anhydrides of the formula RCO-O-COR', e.g., acetic anhydride, are facilely prepared by reacting, in an essentially anhydrous, liquid phase containing an aprotic organic solvent, (i) a compound of the formula RX, (ii) a carboxylate of the formula (R'COO-)nAn+, and (iii) carbon monoxide, said reaction being carried out in the presence of a catalytically effective amount of a salt of cobalt tetracarbonyl halide, at a temperature ranging from about 0 DEG to 200 DEG C. and under a pressure which is less than or equal to about 600 bars.
More Like This:
Inventors:
JIYAN GOUSHIEERUURAFUAIE
ROBEERU PERON
JIYATSUKU GARUTSUCHI
FUIRITSUPU RUKONTOU
ROBEERU PERON
JIYATSUKU GARUTSUCHI
FUIRITSUPU RUKONTOU
Application Number:
JP4783183A
Publication Date:
October 11, 1983
Filing Date:
March 22, 1983
Export Citation:
Assignee:
RHONE POULENC CHIM BASE
International Classes:
B01J31/00; C07B61/00; C07C51/00; C07C53/12; C07C51/56; C07C67/00; (IPC1-7): B01J31/20; C07C51/56; C07C53/12
Attorney, Agent or Firm:
Hideto Asamura