Process for producing monoalkenyl aromatic hydrocarbon compound

Details Process for producing monoalkenyl aromatic hydrocarbon compound Process for producing monoalkenyl aromatic hydrocarbon compound

1993-01-29

1994-09-06

McFarlane, Anthony

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By condensation of entire molecules or entire hydrocarbyl...

585453, 585438, 585467, C07C 272

Patent

active

053448065

ABSTRACT:
There is disclosed 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 .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 the mixture obtained by heat treating metallic sodium together with an alkaline earth metal oxide containing a potassium compound in the atmosphere of an inert gas. According to the aforesaid process, a monoalkenyl aromatic hydrocarbon compound such as industrially useful monoalkenylbenzene can be produced in high yield at a low cost with enhanced safety from a specific aromatic hydrocarbon compound and a specific conjugated diene compound.

REFERENCES:
patent: 3244758 (1966-04-01), Eberhardt
patent: 3305599 (1967-02-01), Zadra et al.
patent: 5118895 (1992-06-01), Hibi et al.

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