Process for introducing fluorine atoms into aromatic rings by nu

Details Process for introducing fluorine atoms into aromatic rings by nu Process for introducing fluorine atoms into aromatic rings by nu

1989-08-07

1990-12-18

Brust, Joseph Paul

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

Organic compounds

Nitriles

558425, 562864, 568937, 568938, 570147, C07C25550, C07C 5772, C07C 2208, C07C 2513

Patent

active

049787691

ABSTRACT:
Aromatic, ring-fluorinated compounds are particularly advantageously prepared by nucleophilic exchange in the course of reaction wih potassium fluoride in the presence of phase transfer catalysts and, if desired, solvents by carrying out the reaction in the additional presence of metal salts.

REFERENCES:
patent: 3453337 (1969-07-01), Bennett et al.
patent: 3992432 (1976-11-01), Napier et al.
patent: 4071521 (1978-01-01), Muench
patent: 4229365 (1980-10-01), Oeser et al.
patent: 4542221 (1985-09-01), Jones
patent: 4563529 (1986-01-01), Nishiyama et al.
patent: 4590315 (1986-05-01), Maul et al.
patent: 4822887 (1989-04-01), Little et al.

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