Preparation of tetramethylene nortricyclane

Details Preparation of tetramethylene nortricyclane Preparation of tetramethylene nortricyclane

1977-07-27

1979-05-01

O'Keefe, Veronica

Chemistry of hydrocarbon compounds

Alicyclic compound synthesis

Polycyclic product

1491094, 1491096, 149120, 585 14, C07C 1328

Patent

active

041523601

ABSTRACT:
Catalytic codimerization of norbornadiene and 1,3-butadiene, using a three-component homogeneous catalytic system consisting of cobaltic or cobaltous acetylacetonate, 1,2-bisdiphenylphosphino ethane and an alkyl aluminum chloride, yields a codimer having the following structure: ##STR1## Upon hydrogenation, codimer I forms tetramethylene nortricyclane having utility as a high energy fuel.

REFERENCES:
patent: 2875256 (1959-02-01), Hyman et al.
Akio Takahashi et al., J. Chem. Soc. Sect. P Chem. Commun. No. 22, p. 1473, 1970.
A. Carbonaro et al., J. Org. Chem. vol. 36, No. 10, pp. 1443-1445, 1971.

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