Dimerization of norbornadiene to exo-exo hexacyclic dimer

Chemistry of hydrocarbon compounds – Compound or reaction product mixture – Alicyclic

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60211, 60215, 1491094, 585 1, 585362, C10L 104, C07C 321

Patent

active

042070805

ABSTRACT:
Norbornadiene [bicyclo(2.2.1)heptadiene-2,5] is dimerized to the exo-exo stereoisomer of the hexacyclic dimer of norbornadiene at both an excellent selectivity and conversion using an effective amount of a three component catalytic system of diethylaluminum chloride, ferric or ferrous or cobaltic or cobaltous acetylacetonate and bis(1,2-diphenylphosphino)ethane. The reaction rate is rapid. After hydrogenation the exo-exo hexacyclic dimer can be used as a component of high energy fuel for either jet or rocket propulsion.

REFERENCES:
patent: 3113421 (1963-12-01), Koch
patent: 3113426 (1963-12-01), Smith et al.
patent: 3165887 (1965-01-01), Koch
patent: 3242667 (1966-03-01), Kidwell
patent: 3703361 (1972-11-01), Konecky

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