Diaryl ethers by dehydration of phenols using a catalyst...

Details Diaryl ethers by dehydration of phenols using a catalyst... Diaryl ethers by dehydration of phenols using a catalyst...

C - Chemistry, Metallurgy

07

C

C07C 43/257 (2006.01) C07C 41/09 (2006.01)

Patent

CA 2077207

"DIARYL ETHERS BY DEHYDRATION OF PHENOLS USING A CATALYST COMPRISING SUPPORTED PARTIALLY REDUCED TUNGSTEN (VI) OXIDE" ABSTRACT Diaryl ethers are prepared by dehyrating phenols or derivatives of phenol in the presence of a catalyst comprising a composite of partially reduced tungsten oxide on alumina, zirconia, or titania where the composite has been prepared by reduction with hydrogen at a temperature between 250 and 450°C and where the dehydration reaction is performed at a temperature of 350 to 550°C.

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