Process for the manufacture of perfluoro-alkoxy-propionic acid f

Details Process for the manufacture of perfluoro-alkoxy-propionic acid f Process for the manufacture of perfluoro-alkoxy-propionic acid f

1977-06-21

1978-10-03

Schwartz, Gerald A.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

C07C 5158

Patent

active

041184211

ABSTRACT:
Perfluoro-alkoxy propionic acid fluorides may be obtained by reacting hexafluoro-propene epoxide with a perfluoro-carboxylic fluoride in an aprotic polar solvent in the presence of a N,N,N', N'-tetrasubstituted diaminodifluoromethane as catalyst.
The compounds obtained may be used as starting products for valuable perfluoro ethers which are highly inert towards heat or aggressive chemicals, such as fluorine.

REFERENCES:
patent: 3250808 (1966-05-01), Moore et al.
patent: 3321532 (1967-05-01), Lorenz
patent: 3322826 (1967-05-01), Moore

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