Production of 3,3- and 2,3-dimethylbutenes, 2,3-dimethylbutadien

Details Production of 3,3- and 2,3-dimethylbutenes, 2,3-dimethylbutadien Production of 3,3- and 2,3-dimethylbutenes, 2,3-dimethylbutadien

1984-08-24

1986-04-01

Davis, Curtis R.

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

Diolefin product

585641, 585642, C07C 126

Patent

active

045799920

ABSTRACT:
For the production of 3,3- and 2,3-dimethylbutene, respectively, and 2,3-dimethylbutadiene and/or for the simultaneous production of 3,3- and 2,3-dimethylbutene, respectively, 2,3-dimethylbutadiene, and glycol or polyglycol n-alkyl-3,3- and -2,3-dimethylbutyl ether, respectively, alkali hydroxides are reacted in a two-phase liquid system in the presence of a glycol or polyglycol ether, respectively, at temperatures of 100.degree.-250.degree. C., with mono- and dichlorodimethylbutane, respectively. By using, as the glycol or polyglycol ether, a glycol or polyglycol monoalkyl ether, the glycol or polyglycol n-alkyl-3,3- and -2,3-dimethylbutyl ether, respectively, is obtained besides the olefin.

REFERENCES:
patent: 2322258 (1943-06-01), Strosacker et al.

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