Process for preparing 2,3-dimethyl-2-butene

Details Process for preparing 2,3-dimethyl-2-butene Process for preparing 2,3-dimethyl-2-butene

1997-03-19

1999-06-08

Beck, Shrive

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

By addition of entire unsaturated molecules, e.g.,...

585512, 585513, 585664, 585668, C07C 204

Patent

active

059106182

ABSTRACT:
2,3-Dimethyl-2-butene is prepared by isomerizing 2,3-dimethyl-1-butene using at least one acid selected from the group consisting of sulfuric acid and sulfonic acids. By this process, 2,3-dimethyl-2-butene is effectively prepared from 2,3-dimethyl-1-butene using an inexpensive catalyst such as sulfonic acid or the sulfonic acids. Further, a dimerization reaction product of propene can also be used in the isomerization step without removing the dimerization catalyst from the reaction product.

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