Perfluoroalkyl isoxazoles

Details Perfluoroalkyl isoxazoles Perfluoroalkyl isoxazoles

1974-05-21

1976-12-28

Rush, Raymond V.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

252 781, 252357, 260307F, C07D26108

Patent

active

040001504

ABSTRACT:
Perfluoroalkylated isoxazoles having the formula: ##EQU1## wherein R.sub.F is C.sub.3 - C.sub.15 perfluoroalkyl and R is the same as R.sub.F or a different C.sub.3 - C.sub.15 perfluoroalkyl or C.sub.1 - C.sub.7 alkyl or phenyl or phenyl substituted by C.sub.1 - C.sub.7 alkyl which are prepared by reacting hydroxylamine with a beta-diketone, at least one of whose alkyls is a C.sub.3 - C.sub.15 perfluoroalkyl, and dehydrating the resultant perfluoroalkylated 5-hydroxy-isoxazoline in an autoclave in the presence of polyphosphoric acid. The stable products are useful as heat-exchange media and as surfactants in organic solution.

REFERENCES:
quilico, A. -- "Chemistry of Heterocyclic Compounds" vol. 17 (1962) Wiley Press -- pp. 6-7, 105.

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