Abstract3-Amino- and 3-hydroxy-isoxazol-5(2H)-ones can exist as a number of tautomers which give discrete photolysis and pyrolysis products.References1. Millan D. S. , and Prager R. H. , J. Chem. Soc., Perkin Trans. 1, 1998, 3245.2. Ang K. H. , and Prager R. H. , Tetrahedron, 1992, 48, 9073; Tetrahedron Lett., 1992, 33, 2845.3. Prager R. H. , and Smith J. A. , J. Chem. Soc., Chem. Commun., 1994, 1805.
