Process for the preparation of alkenylbenzenes

Details Process for the preparation of alkenylbenzenes Process for the preparation of alkenylbenzenes

1974-12-09

1976-04-27

O'Keefe, Veronica

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260671A, C07C 352

Patent

active

039535355

ABSTRACT:
A process for preparing alkenylbenzenes, which comprises reacting an alkylbenzene with 1,3-butadiene at elevated temperature in the presence of an alkali metal catalyst in the substantial absence of oxygen and moisture, characterized in that said catalyst is composed of
1. 0.0005 to 0.03% by weight, based on the alkylbenzene, of metallic potassium, and
2. metallic sodium in an amount expressed in percent by weight, based on the alkylbenzene, determined by the following relationship (i)

REFERENCES:
patent: 3766288 (1973-10-01), Shima et al.

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