Process for producing linear unsaturated dimers of .alpha.-alkyl

Details Process for producing linear unsaturated dimers of .alpha.-alkyl Process for producing linear unsaturated dimers of .alpha.-alkyl

1978-09-27

1980-04-15

O'Keefe, Veronica

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By dimerization of vinyl aromatic

252 52R, 252 73, 585400, 585404, 585410, 585415, 585476, C07C 1514

Patent

active

041985354

ABSTRACT:
A process for producing a linear unsaturated dimer of .alpha.-alkyl styrenes by heating .alpha.-alkyl styrenes in the presence of a silica-alumina catalyst, said catalyst consisting of alumina and silica in a weight ratio of 83/17.ltoreq.Al.sub.2 O.sub.3 /SiO.sub.2 .ltoreq.96/4 and being substantially free of alkali is disclosed.

REFERENCES:
patent: 3925217 (1975-12-01), Green

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