Process for preparing alkyl-substituted aromatic hydrocarbon

Details Process for preparing alkyl-substituted aromatic hydrocarbon Process for preparing alkyl-substituted aromatic hydrocarbon

1991-03-13

1992-06-02

Pal, Asok

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By condensation of entire molecules or entire hydrocarbyl...

585467, 585468, C07C 264

Patent

active

051188953

ABSTRACT:
An alkyl-substituted hydrocarbon is prepared effectively under mild conditions by alkylating an alkyl aromatic hydrocarbon having at least one hydrogen atom at an alpha-position in a side chain with an olefin in the presence of a solid base which is obtainable by treating a water-containing oxide of an alkaline earth metal with at least one material selected from the group consisting of alkali metals and alkali metal hydrides in an amount of 0.5 to 3.5 equivalents per one mole of water in said oxide in an inert gas atmosphere.

REFERENCES:
patent: 2769850 (1956-11-01), Closson et al.
patent: 2771495 (1956-11-01), Pines et al.
patent: 2780660 (1957-02-01), Field et al.
patent: 3244758 (1966-04-01), Eberhardt
patent: 4511748 (1985-04-01), Kudoh et al.
patent: 4720601 (1988-01-01), Suzukamo et al.
patent: 4922054 (1990-05-01), Smith
patent: 4929783 (1990-05-01), Smith
patent: 4977124 (1990-12-01), Smith
"Carbanions Additions in the Reaction of Aromatic Hydrocarbons with Monoolefins" by Herman Pines and Victor Mark, vol. 78.

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