Preparation of trifluoromethylphenyl nitrophenylethers

C - Chemistry – Metallurgy – 07 – C

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260/611.1, 260/4

C07C 39/26 (2006.01) C07C 37/055 (2006.01) C07C 37/64 (2006.01) C07C 205/37 (2006.01) C07C 205/58 (2006.01) C07C 205/59 (2006.01)

Patent

CA 1125302

Abstract of the Disclosure A process for preparing trifluoromethylphenyl nitro phenylethers which comprises treating a trifluoromethyl- halobenzene with a base in a cosolvent system to afford a trifluoromethyl phenolate which may be isolate as its free phenol or reacted with an appropriately substituted halobenzene to afford a diphenylether herbicide or a precursor thereto.

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