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Communication | Special issue | Vol 25, No. 1, 1987, pp.117-121
Published online, 1st January, 1970
DOI: 10.3987/S-1987-01-0117
Preparation and Cycloaddition of Functionalized 4,6-Dialikylpyrone-5-carboxylates. Synthesis of Bicyclic Lactones and Substituted Benzoates

Michael E. Jung and Jeffrey A. Hagenah

*Department of Chemistry and Biochemistry, University of California, 405 Hilgard Avenue, Los Angels, CA 90024, U.S.A.

Abstract

Several alkyl pyrone-5-carboxylates (coumalates) with alkyl and functionalized alkyl substituents at C4 and C6 have been prepared by a general route; their cycloadditions with electron-rich olefins have been carried out to provide aromatic and non-aromatic products, of potential value for natural products synthesis.