Process for producing fluorocarboxylic anhydride

Details Process for producing fluorocarboxylic anhydride Process for producing fluorocarboxylic anhydride

2005-06-07

2005-06-07

Killos, Paul J. (Department: 1625)

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid anhydrides

Reexamination Certificate

active

06903236

ABSTRACT:
A method of producing (RfCO)2O by reacting RfCOCl with MmCO3can efficiently synthesize a fluorocarboxylic anhydride in a one-step reaction,wherein Rfis a saturated hydrocarbon group having 1 to 20 carbon atoms, which optionally has an oxygen atom, in which all or part of hydrogen atoms are substituted with a fluorine atom, or a fluorine atom and another halogen atom, M is an alkali metal or an alkali earth metal, m is 2 when M is the alkali metal, or 1 when M is the alkali earth metal.

REFERENCES:
patent: 3676491 (1972-07-01), Wada et al.
patent: 4595541 (1986-06-01), Amiet et al.
patent: 45-38523 (1970-12-01), None
patent: 45 38523 (1970-12-01), None
patent: 46 6888 (1971-02-01), None
patent: 61 33139 (1986-02-01), None
Bourne et al., J. Chem. Soc. (1949) 2976-2979.

Affiliated with

Also associated with

Rating

Process for producing fluorocarboxylic anhydride does not yet have a rating. At this time, there are no reviews or comments for this patent.

If you have personal experience with Process for producing fluorocarboxylic anhydride, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Process for producing fluorocarboxylic anhydride will most certainly appreciate the feedback.

Rate now

Comments { 0 }

Profile ID: LFUS-PAI-O-3474672