The thermal rearrangement of 3-benzoyl-2,1-benzisoxazole (2) to 2-phenyl-4H-3,1-benzoxazone (3) in a number of solvents was observed. A possible mechanistic pathway for this novel rearrangement is discussed.
J. L. Pinkus, H. A. Jessup and T. Cohen, J. Chem. Soc. C, 1970, 242 DOI: 10.1039/J39700000242
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