Method for producing 1,1-diarylethanes

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

1990-10-01

1991-11-26

McFarlane, Anthony

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By condensation of entire cyclic molecules or entire...

585426, C07C 272, C07C 202

Patent

active

050684825

ABSTRACT:
This invention relates to a method for producing 1,1-diarylethanes expressed by the following general formula (III): ##STR1## wherein R.sup.1 -R.sup.5 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 H-L type zeolite with a SiO.sub.2 /Al.sub.2 O.sub.3 ratio of at least 4, or a zeolite modified by exchanging said H-L type zeolite with a bi- or tri-valent metal ion. ##STR2## wherein R.sup.1 -R.sup.5 have the same meanings as defined above.

REFERENCES:
patent: 3714280 (1973-01-01), Stapp

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