Process for preparing 2,5-dimethyl-2,4-hexadiene

Details Process for preparing 2,5-dimethyl-2,4-hexadiene Process for preparing 2,5-dimethyl-2,4-hexadiene

1981-08-06

1983-10-11

Davis, Curtis R.

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

Diolefin product

585610, C07C 120, C07C 1253

Patent

active

044094191

ABSTRACT:
2,5-Dimethyl-2,4-hexadiene is prepared by dehydrating 2,5-dimethyl-2,5-hexanediol in liquid phase. The reaction takes place by contacting 2,5-dimethyl-2,5-hexanediol, melted or dissolved in an appropriate solvent, with acids, heating the mixture at a temperature of 100.degree. C.-160.degree. C. and distilling off water from the reaction environment as it is being formed. The pressure can range between 1 and 10 bars.

REFERENCES:
patent: 1002399 (1911-09-01), Hofmann et al.
patent: 1179408 (1916-04-01), Delbruck et al.
patent: 1923569 (1933-08-01), Cunradi et al.
patent: 1944153 (1934-01-01), Cunradi et al.
patent: 2310809 (1943-02-01), Reppe et al.
patent: 2461362 (1949-02-01), Young et al.
patent: 2715649 (1955-08-01), Hammond

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