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Communication | Special issue | Vol 25, No. 1, 1987, pp.55-60
Published online, 1st January, 1970
DOI: 10.3987/S-1987-01-0055
Intramolecural Photocycloaddition on Dioxolenones: An Efficient Method for the Synthesis of Medium-sized Rings

Jeffre D. Winkler, John P. Hey, Francis J. Hannon, and Paul G. Williard

*Searle Chemical Laboratories, Department of Chemistry, University of Chicago, 5735 South Ellis Avenue, Chicago, IL 60637, U.S.A.


The intramolecular photocycloaddition of dioxolenones to simple olefins leads to the formation of six-, seven-, and eight-membered rings in good yields. Asymmetric induction in the formation of cyclooctanes is described.