Preparation of acetyl compounds

Details Preparation of acetyl compounds Preparation of acetyl compounds

1984-06-26

1986-07-29

Trousof, Natalie

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260546, 502174, C07C 5154

Patent

active

046030204

ABSTRACT:
An O-acetyl compound, such as acetic anhydride, is prepared by carbonylating the corresponding O-methyl compound, such as methyl acetate, by heating the latter at 130.degree. to 250.degree. C. with carbon monoxide of a partial pressure of 1 to 100 kg/cm.sup.2 G in the presence of a rhodium catalyst and a iodine compound, whereby the reaction is caused to take place in a reaction solution containing a carboxylic acid in the presence of an aluminum accelerator and a rhodium catalyst treated with hydrogen.

REFERENCES:
patent: 3813428 (1974-05-01), Paulik et al.
patent: 3852346 (1974-12-01), Forster et al.
patent: 4252741 (1981-02-01), Porcelli et al.
patent: 4374070 (1983-02-01), Larkins et al.

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