Continuous process for producing 5-vinyl-2-norbornene

Details Continuous process for producing 5-vinyl-2-norbornene Continuous process for producing 5-vinyl-2-norbornene

1987-09-29

1988-10-11

Pal, Asok

Chemistry of hydrocarbon compounds

Alicyclic compound synthesis

Polycyclic product

585364, 585366, C07C 300

Patent

active

047773090

ABSTRACT:
A continuous process for producing 5-vinyl-2-norbornene, useful as the raw material of 5-ethylidene-2-norbornene used as a termonomer for EPDM, from a mixture of cyclopentadiene and butadiene or from a mixture of cyclopentadiene and dicyclopentadiene and butadiene by the Diels-Alder reaction which process comprises adding from 10 to 10,000 ppm of N,N-diethylhydroxylamine or 4-oxo-2,2,6,6-tetramethylpiperidine-1-oxyl relative to the total weight of cyclopentadiene and butadiene or of a mixture of cyclopentadiene and dicyclopentadiene and butadiene, continuously introducing the resulting mixture into a pressure reaction vessel, allowing them to react in the absence of any gas phase portion within the said pressure reaction vessel, and continuously withdrawing the reaction product.

REFERENCES:
patent: 4538013 (1985-08-01), Donike et al.

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