Process for the preparation of halo aromatic compounds

Details Process for the preparation of halo aromatic compounds Process for the preparation of halo aromatic compounds

1984-10-15

1986-05-20

Torrence, Dolph H.

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

Organic compounds

Halogen containing

558425, C07C 1720, C07C 1722

Patent

active

045903158

ABSTRACT:
A process for the preparation of chloro-difluorobenzene compounds of the formula ##STR1## where R is CN or CF.sub.3, comprises the steps of (A) reacting an alkali metal fluoride with 4-chloro-3,5-dinitrobenzonitrile or 4-chloro-3,5-dinitrobenzotrifluoride to form the corresponding 4-fluoro-3,5-dinitrobenzonitrile or 4-fluoro-3,5-dinitrobenzotrifluoride product.

REFERENCES:
patent: 4388472 (1983-06-01), Cartwright et al.

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