Process for producing a monoalkenyl aromatic hydrocarbon compoun

Details Process for producing a monoalkenyl aromatic hydrocarbon compoun Process for producing a monoalkenyl aromatic hydrocarbon compoun

1993-12-20

1995-07-25

Achutamurthy, P.

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By condensation of entire molecules or entire hydrocarbyl...

585438, 585453, 585463, 585467, C07C 272

Patent

active

054363810

ABSTRACT:
There is disclosed a process for producing a monoalkenylbenzene 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 produced by calcining the mixture of potassium hydroxide and aluminum hydroxide and then heat treating the calcined product together with metallic sodium in an atmosphere of an inert gas. According to the aforesaid process, an industrially useful monoalkenylbenzene can be produced in high yield at a low cost with enhanced safety.

REFERENCES:
patent: 3244758 (1966-04-01), Eberhardt
patent: 3928485 (1975-12-01), Nagase et al.
patent: 4511748 (1985-04-01), Kudoh et al.
patent: 4990717 (1991-02-01), Sikkenga et al.
Chemical Abstracts, vol. 119, No. 13, 27 Sep. 1993, p. 836, abstract No. 138842h, Columbus, Ohio, U.S. of JP 5 112 476.

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