Production of 3,3- and 2,3-dimethylbutenes, 2,3-dimethylbutadiene and/or glycol or polyglycol N-alkyl-3,3- and -2,3-dimethylbutyl ether
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United States of America Patent
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Apr 1, 1986
Grant Date -
N/A
app pub date -
Aug 24, 1984
filing date -
Aug 25, 1983
priority date (Note) -
Expired
status (Latency Note)
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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.
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