Process for preparing alkyl-subtituted aromatic hydrocarbons

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

1992-01-07

1993-07-13

Pal, Asok

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By condensation of entire molecules or entire hydrocarbyl...

585453, 585457, C07C 266

Patent

active

052275590

ABSTRACT:
An alkyl-substituted hydrocarbon is prepared by alkylating an 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 or an alumina containing at least 1.3% by weight of water and an alkali metal in an inert gas atmosphere at a specific temperature as a catalyst.

REFERENCES:
patent: 3808152 (1974-05-01), Nagase et al.
patent: 4388480 (1983-06-01), Imai 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: 4962254 (1990-10-01), Fukao et al.
"Base-Catalyzed Reactions of Hydrocarbons and Related Compounds," H. Pines, W. Stalic, Academic Press, pp. 240-309. (1977).

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