4-(2-Hydroxybenzylidene)-3-methylisoxazol-5(4H)-one

Abstract

The molecular skeleton of the title molecule, C11H9NO3, is approximately planar (r.m.s. deviation = 0.0056 Å); the two rings form a dihedral angle of 6.5 (1)°. In the crystal structure, intermolecular O—H...N hydrogen bonds involving the H atom of the hydroxy group and the N atom of the isoxazole ring link molecules into chains running along the c axis.