Process for making codimers of norbornadiene and phenylacetylene

Details Process for making codimers of norbornadiene and phenylacetylene Process for making codimers of norbornadiene and phenylacetylene

1977-10-17

1979-01-02

O'Keefe, Veronica

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

C-metal

260666PY, 1491094, 1491096, C07C 1328, C07C 1812

Patent

active

041327420

ABSTRACT:
Novel codimers (I) of norbornadiene and phenylacetylenes and their hydrogenated derivatives (II), having the following structures ##STR1## wherein R is a hydrogen, a phenyl, or a phenyl having alkyl substituents and R.sub.1 is a phenyl or a phenyl having alkyl substituents and processes for preparing both are disclosed. Codimer (II) can be used as a high energy fuel or a diluent for such a fuel. Process for making codimer (I) involves reacting norbornadiene and phenylacetylene or diphenylacetylene with a catalyst system of cobaltic or cobaltous acetylacetonate, 1,2-bisdiphenylphosphino ethane and an alkyl aluminum chloride.

REFERENCES:
patent: 3978147 (1976-08-01), Wilke et al.
T. Mitsudo et al., J. Chem. Soc. Chem. Comm., pp. 722-723, 1976.
M. Hara et al., Tetrahedron, pp. 96-100, 1966.
A. Carbonavo et al., Tetrahedron Letters, 49, pp. 5129-5130, 1965.
T. Sasaki et al., J. Org. Chem. 37, No 14, 1972.
Schrauzer et al., Chem. Ber. 97, pp. 2451-2462, 1964.

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