Coupling process

Details Coupling process Coupling process

1989-05-24

1990-04-03

Davis, Curtis R.

Chemistry of hydrocarbon compounds

Aromatic compound synthesis

By condensation of entire molecules or entire hydrocarbyl...

585453, C07C 264

Patent

active

049142500

ABSTRACT:
An alkene selected from ethene, propene, and mixtures thereof is coupled with an aromatic hydrocarbon having an active hydrogen on a saturated alpha-carbon in the presence of a supported potassium or potassium alloy as a catalyst and sodium hydroxide, potassium hydroxide, or a mixture thereof as a co-catalyst. In preferred embodiments of the invention, the active hydrogen-containing aromatic hydrocarbon is an alkylbenzene, such as toluene; and the co-catalyst is a hydroxide or hydroxide mixture formed in situ by adding water to the potassium or potassium alloy.

REFERENCES:
patent: 4179471 (1979-12-01), Cobb et al.
patent: 4620056 (1986-10-01), Shimizu et al.

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