Isomerization of the cis, trans isomers of 1,2,5,6-tetrasubstitu

Chemistry of carbon compounds – Miscellaneous organic carbon compounds – C-metal

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560125, 560127, 260544L, 260557R, C07C12148, C07C 6974, C07C 6126, C07C10319

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active

040482090

ABSTRACT:
Isomerization of the cis,trans isomers of 1,2,5,6-tetrasubstituted-1,5-cyclooctadienes to the corresponding cis,cis-isomers is carried out by contacting the cis,trans isomers with a halogen promoter in the presence of a suitable solvent in the absence of light.

REFERENCES:
patent: 3839365 (1974-10-01), Schmidt et al.
Bellus, et al.; J.A.C.S., 96, pp. 5007-5009 (1974).
Schmidt et al.; C.A., 74, 42010m (1971).
Eliel, Stereochemistry of Carbon Compounds, (1972), pp. 341-346.

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