Carboxylate fluorination process

Details Carboxylate fluorination process Carboxylate fluorination process

1973-10-31

1976-11-09

Morgenstern, Norman

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260408, 260453P, 2605005R, 423551, 423554, 423558, 423302, 423365, 423483, C07C 5158, C07C11800

Patent

active

039911080

ABSTRACT:
A process for the fluorination of carboxylate compounds to the corresponding acyl fluoride or carbamoyl fluoride, the latter compounds decompose to isocyanates and hydrogen fluoride, wherein the carboxylic acid, its anhydride or metal salt is intimately mixed with a metal fluorosulfonate and heated at a temperature at which the gaseous carboxylic acid fluoride is formed or decomposed.

REFERENCES:
patent: 2791608 (1957-05-01), Golding
March, "Advanced Organic Chemistry," McGraw-Hill (1968) N.Y., p. 335.
Fischer et al., C.A. 60 13917c (1964).
Szabo et al., C.A. 55 13013f (1961).
Vogel, "Practical Organic Chemistry," Wiley & Sons Inc., N.Y. (1962), pp. 122-125.
Jonas, C.A. 54 P 3891g.
Linhard et al., C.A. 34 40058 (1940).
Traube et al., Berichte 52B 1272 (1919).
Traube et al., Berichte 52B 1293 (1919).

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