Preparation of carboxylic acid anhydrides

Details Preparation of carboxylic acid anhydrides Preparation of carboxylic acid anhydrides

1975-12-22

1977-01-11

Morgenstern, Norman

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260546, C07C 5154, C07C 5156

Patent

active

040026787

ABSTRACT:
A carboxylic acid anhydride, such as acetic anhydride, is prepared from a carboxylate ester or a hydrocarbyl ether in carbonylation processes comprising the use of an iodide, carbon monoxide and a nickel-chromium catalyst in the presence of a promoter comprising an organo-nitrogen compound or an organo-phosphorus compound wherein the nitrogen and phosphorus are trivalent.

REFERENCES:
patent: 2497304 (1950-02-01), Gresham et al.
patent: 2593440 (1952-04-01), Hagemeyer
patent: 2607787 (1952-08-01), Mason
patent: 2730546 (1956-01-01), Reppe et al.
patent: 2739169 (1956-03-01), Hugemeyer
patent: 2789137 (1957-04-01), Reppe et al.
patent: 3641071 (1972-02-01), Fenton
patent: 3641074 (1972-02-01), Fenton
patent: 3852346 (1974-12-01), Forster et al.
patent: 3887595 (1975-06-01), Mozaki
patent: 3927078 (1975-12-01), Lapporte et al.

Affiliated with

Also associated with

Rating

Preparation of carboxylic acid anhydrides does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Preparation of carboxylic acid anhydrides, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Preparation of carboxylic acid anhydrides will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-1743139