Process for producing monoalkenyl armomatic hydrocarbon compound

Details Process for producing monoalkenyl armomatic hydrocarbon compound Process for producing monoalkenyl armomatic hydrocarbon compound

1993-04-15

1994-11-22

Pal, Asok

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By condensation of entire molecules or entire hydrocarbyl...

585435, 585467, C07C 272

Patent

active

053670981

ABSTRACT:
A process for producing a monoalkenyl aromatic hydrocarbon compound which comprises alkenylating a side chain of an aromatic hydrocarbon compound having at least one hydrogen atom bonded at an .alpha.-position of the side chain (such as xylene) with a conjugated diene having 4 or 5 carbon atoms (such as butadiene) in the presence of a catalyst comprising a mixture obtained by heat treating metallic sodium together with a mixture of an aluminum oxide and a potassium compound in an inert gas atmosphere. The process produces a commercially useful monoalkenyl aromatic hydrocarbon compounds in a high yields and at a low cost with enhanced safety.

REFERENCES:
patent: 4018840 (1977-04-01), Iwata et al.
patent: 4511748 (1985-04-01), Kudoh et al.
patent: 4990717 (1991-02-01), Sikkenga

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