Process for the manufacture of 1,4-bis(4-phenoxybenzoyl)...

Details Process for the manufacture of 1,4-bis(4-phenoxybenzoyl)... Process for the manufacture of 1,4-bis(4-phenoxybenzoyl)...

C - Chemistry, Metallurgy

07

C

260/577.6

C07C 45/64 (2006.01) C07C 45/46 (2006.01) C07C 49/84 (2006.01)

Patent

CA 2008693

1,4-Bis(4-phenoxybenzoyl)benzene is made in a homogeneous or heterogeneous system by a reaction of diphenyl ether with 1,4-benzenedicarbonyl chloride at 220-254°C in the presence of certain iron, gallium, and indium compounds in catalytic amounts. The mole ratio of diphenyl ether to 1,4-dicarbonyl chloride is 5:1 to 25:1 and the mole ratio of 1,4-benzenedicarbonyl chloride to the catalyst is 1000:1 to 10:1.

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