Process for preparing bicylo[2.2.1] heptane derivatives

Details Process for preparing bicylo[2.2.1] heptane derivatives Process for preparing bicylo[2.2.1] heptane derivatives

2005-01-11

2005-01-11

Dang, Thuan Dinh (Department: 1764)

Chemistry of hydrocarbon compounds

Unsaturated compound synthesis

By double-bond-shift isomerization

C585S666000, C585S667000, C585S668000, C585S669000, C585S670000, C585S317000

Reexamination Certificate

active

06841713

ABSTRACT:
The invention relates to economical and efficient methods for producing 2-methylene-3-methylbicyclo[2,2,1]heptane, 2,3-dimethylbicyclo[2.2.1]hept-2-ene and the like that are useful for materials of producing base oil of traction drive fluid for traction drive lubricating oil. The methods comprise reacting one or more C3-4acyclic olefins with cyclopentadiene and isomerizing the resulting bicyclo[2.2.1]heptene derivatives in the presence of an isomerization catalyst to give one or more bicyclo[2.2.1]heptane derivatives.

REFERENCES:
patent: 49-69650 (1974-07-01), None
patent: 6-40956 (1994-02-01), None

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