SELECTIVE SYNTHESIS OF 3,5-DISUBSTITUTED ISOXAZOLES FROM β-SUBSTITUTED ENONES AND HYDROXYLAMINE HYDROCHLORIDE IN THE PRESENCE OF VARIOUS BASES
作者:Choji Kashima、Nobutoshi Yoshiwara、Shun-ichi Shirai、Yoshimori Omote
DOI:10.1246/cl.1982.1455
日期:1982.9.5
The synthesis of two isomeric isoxazoles could be selectively controlled in the reaction of β-substituted enones with 3 species of hydroxylamine; hydroxyammonium cation (1), free hydroxylamine (2) and aminohydroxy anion (3).
β-取代烯酮与3种羟胺反应可以选择性控制两种异构异恶唑的合成;羟铵阳离子 (1)、游离羟胺 (2) 和氨基羟基阴离子 (3)。