Preparation of diarylethanes

Details Preparation of diarylethanes Preparation of diarylethanes

1996-07-12

1999-02-02

Wood, Elizabeth D.

Chemistry of hydrocarbon compounds

Compound or reaction product mixture

Aromatic

585 20, 585 21, 585 23, 585 24, 585422, 585426, C07C 1512, C07C 202

Patent

active

058667334

ABSTRACT:
Diarylethanes of the formula I ##STR1## where R.sup.1 is hydrogen or C.sub.1 -C.sub.8 -alkyl, are prepared by reacting benzene with a styrene of the formula III ##STR2## where R.sup.1 has the abovementioned meanings, by a process in which the reaction is carried out batchwise or continuously in the liquid or supercritical phase at from 150.degree. to 350.degree. C. and from 5 to 200 bar in the presence of a strongly acidic large-pore zeolite.

REFERENCES:
patent: 4289918 (1981-09-01), Sato et al.
patent: 4329529 (1982-05-01), Nambu
patent: 4493943 (1985-01-01), Sato et al.
patent: 4689436 (1987-08-01), Minokani et al.

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