Process for preparing 2,2'-bis(halomethyl)-1,1'-binaphthyl

C - Chemistry – Metallurgy – 07 – C

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C07C 22/04 (2006.01) B01J 19/08 (2006.01) C07C 17/14 (2006.01)

Patent

CA 2145253

The present invention relates to a process for preparing 2,2'-bis(halomethyl)-1,1'-binaphthyl, by reacting 2,2'- dimethyl-1,1'-binaphthyl in the presence of a solvent with a halogenating agent under the action of light having a wavelength of from 10-5 to 10-8 m in the presence or absence of a free-radical former at from -10 to 120°C.

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