Novel production of 3-benzoyl-2,1-benzisoxazoles from 2-phenyl-quinolin-4(1H)-ones
Abstract
2-Phenylquinolin-4(1H)-ones 1a and 1b react with sodium dichloroisocyanurate 2 in methanolic aqueous sodium hydroxide, to afford, after acidification, 3-benzoyl-2,1-benzisoxazoles 3a and 3b(ca. 30%).