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Report | Regular issue | Vol 22, No. 2, 1984, pp.365-369
Published online, 1st January, 1970
DOI: 10.3987/R-1984-02-0365
Pyranoisoxazole Systems. Synthesis of 3-Oxo-6,7-dihydro-3H,7aH-pyrano[4,3-c]isoxazoles and 4-Oxo-3,6,6-trimethyl-3a,6,7,7a-tetrahydro-4H-pyrano[4,3-c]isoxazole

Bernard Chantegrel, Abdel Ilah Nadi, and Suzanne Gelin*

*Département de Biochimie, Laboratoire de Chimie Organique, Institut National des Sciences Appliquées, 20 Avenue Albert Einstein 69621 Villeurbanne Cedex, France

Abstract

The reaction of hydroxylamine with 2,3-dihydropyran-4-ones provides a route to 3-oxa-6,7-dihydro-3H,7aH-pyrano[4,3-c]isoxazole derivatives. In addition, the spectral properties of a representative series of the three possible isomeric isoxazoles having a fused-pyran ring was investigated.