Tetrahedron letters

Synthesis of o-dimethylene isoxazole via isoxazole-fused 3-sulfolene

T Chou, RC Chang

Index: Chou, Ta-Shue; Chang, Ruei-Chih Tetrahedron Letters, 1992 , vol. 33, # 52 p. 8121 - 8124

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Citation Number: 12

Abstract

Download full text in PDF Opens in a new window. Article suggestions will be shown in a dialog on return to ScienceDirect. ... Please enable JavaScript to use all the features on this page. ... Isoxazole-fused 3-sulfolene 12 has been synthesized from the readily available starting material 7 in three steps. Heating compound 12 at 160–180 °C generates o-dimethylene isoxazole 6b which undergoes smooth cycloaddition reactions. ... All new compounds gave ...