Method for producing 1,1-diarylethanes

Details Method for producing 1,1-diarylethanes Method for producing 1,1-diarylethanes

C - Chemistry, Metallurgy

07

C

260/681.6

C07C 2/58 (2006.01) C07C 2/66 (2006.01) C07C 15/16 (2006.01)

Patent

CA 2026619

This invention relates to a method for producing 1,1-diarylethanes expressed by the following general formula (III): Image (III) wherein R1-R5 each stand for a hydrogen atom or an alkyl group having 1-3 carbon atoms. This method comprises the reaction of styrenes expressed by the following general formula (I) with an alkylbenzene expressed by the following general formula (II), and is characterized in that the catalyst used is an HL type zeolite with a SiO2/Al2O3 ratio of at least 4, or a zeolite modified by exchanging said HL type zeolite with a bi- or tri-valent metal ion. Image Image (I) (II) wherein R1-R5 have the same meanings as defined above.

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