Process for obtaining bis (2,4-di-tert-butylphenyl)...

Details Process for obtaining bis (2,4-di-tert-butylphenyl)... Process for obtaining bis (2,4-di-tert-butylphenyl)...

C - Chemistry, Metallurgy

07

F

C07F 9/146 (2006.01)

Patent

CA 2068317

The invention relates to a process for obtaining phosphorous acid-bis-(2,4-di-tert-butyl-phenyl) ester halides of formula (1), in which a phosphorous acid-2,4-di-tert-butyl-phenyl ester dihalide of formula (II) is heated in the presence of a compound containing nitrogen and/or phosphorus and acting as a catalyst to 130 - 280°C and removing the phosphorus trihalide produced by disproportionation from the reaction mixture.

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