Process for the thermal dimerization of isoprene

Details Process for the thermal dimerization of isoprene Process for the thermal dimerization of isoprene

1989-09-05

1990-11-27

Davis, Curtis R.

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

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

585 5, C07C 202

Patent

active

049737872

ABSTRACT:
The present invention relates to an improved process for the thermal dimerization of isoprene. In particular, the present process involves heating isoprene at a temperature of from about 110.degree. C. to about 250.degree. C. in the presence of dinitrocresol. The present process is characterized by reduced amounts of polymer product and increased yields of isoprene dimer.

REFERENCES:
patent: 4033829 (1977-07-01), Higgins, Jr. et al.
patent: 4086147 (1978-04-01), Watson
patent: 4105506 (1978-08-01), Watson
patent: 4182658 (1980-01-01), Watson
patent: 4389285 (1983-06-01), Douglas et al.

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