Process for preparing alkyl-substituted aromatic hydrocarbons

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

1989-08-09

1990-10-09

Shine, W. J.

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By condensation of entire molecules or entire hydrocarbyl...

585453, 585467, C07C 15067, C07C 268

Patent

active

049622544

ABSTRACT:
An alkyl-substituted hydrocarbon is prepared 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 heating an alumina, an alkali metal hydroxide and an alkali metal hydride or an alumina containing at least 1.3% by weight of water and an alkali metal hydride in an inert gas atmosphere at a temperature of 200.degree. to 800.degree. C. as a catalyst.

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: 4511748 (1985-04-01), Kudoh et al.
patent: 4620056 (1986-10-01), Shimizu et al.
patent: 4711873 (1987-12-01), Suzukamo et al.
patent: 4822764 (1989-04-01), Suzukamo et al.
"Carbanions Additions in the Reaction of Aromatic Hydrocarbons with Monoolefins" by Herman Pines and Victor Mark, Mar. 14, 1956, Vo. 78, pp. 4316-4322.
"Base-Catalyzed Reactions of Hydrocarbons and Related Compounds" by Herman Pines and Wayne M. Stalick, Academic Press, pp. 240-308, 1977.

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