Process for producing monoalkenyl aromatic hydrocarbon compound

Chemistry of hydrocarbon compounds – Aromatic compound synthesis – By condensation of entire molecules or entire hydrocarbyl...

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585435, 585438, 585467, C07C 272

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053347943

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 a zirconium oxide and a potassium compound in an inert gas atmosphere. An industrially useful monoalkenyl aromatic hydrocarbon compound is produced in a 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: 3839485 (1994-10-01), Wrisberg et al.
patent: 4977124 (1990-12-01), Smith

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