Method for manufacture or organic fluorine compounds

Details Method for manufacture or organic fluorine compounds Method for manufacture or organic fluorine compounds

1985-09-13

1987-08-04

Brust, Joseph Paul

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

Organic compounds

Heterocyclic carbon compounds containing a hetero ring...

546286, 546287, 546289, 546304, 546307, 558419, 558423, 558425, 568933, 568937, 568938, 570147, C07C12000, C07C12150, C07D21361, C07D21300

Patent

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046847340

ABSTRACT:
Organic fluorine compounds such as pentafluorobenzonitrile, tetrafluorophthalonitriles, and pentafluoropyridine are produced by a method which comprises causing a chloro- or bromo-organic compound to react with a fluorinating agent such as an alkali metal fluoride in benzonitrile as a solvent at temperatures in the range of 190.degree. to 400.degree. C. under at least spontaneously generated pressure.

REFERENCES:
patent: 3296269 (1967-01-01), Boudakian
patent: 3303197 (1967-02-01), Haszeldine et al.
patent: 3312746 (1967-04-01), Fielding
patent: 3485839 (1969-12-01), Fuller
patent: 3574775 (1971-04-01), Fuller
patent: 4174349 (1979-11-01), Evans et al.
patent: 4209457 (1980-06-01), Fuller
patent: 4229365 (1980-10-01), Oeser et al.
Boudakian; J. Het. Chem., 5, (1968), pp. 683-684.
Tetrahedron Letters, 16, pp. 1429-1432, Pergamon Press, (1978) Bohme et al.

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