Method for the preparation of nitrodiphenyl ethers

Details Method for the preparation of nitrodiphenyl ethers Method for the preparation of nitrodiphenyl ethers

1984-08-30

1986-07-29

Helfin, Bernard

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

Organic compounds

Oxygen containing

568424, 568585, 568586, 558424, 560 21, 562435, 564300, 564430, C07C 4116, C07C 4564

Patent

active

046032223

ABSTRACT:
Diphenyl ethers of the formula ##STR1## wherein m is 1-3, n is 1 or 2, R is hydrogen, carboxy, carboxylate salt or ester, formyl oxime, cyano, alkyl, alkoxy, chloro, bromo, or N, N-dialkyl amino, are prepared by reacting a chloro-fluoro-benzotrifluoride of the formula ##STR2## wherein m and n are as defined above with a nitro-phenoxide of the formula ##STR3## where R is defined above, and M is a cation of an alkali metal or an alkaline earth metal.

REFERENCES:
patent: 4259510 (1981-03-01), Johnson
patent: 4469893 (1984-09-01), Tang et al.

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