1996 benzoxazole derivatives

benzoxazole derivativesR 0230

12 - 149Oxidative Cyclization of Sterically Hindered ortho-Hydroxyazomethines. — Single electron oxidation of readily achievedo-hydroxyazomethines (I) smoothly provides 2-arylbenzoxazoles (II) (8 exam-ples) in good yield. The obtained oxazole derivatives possess marked fluorescenceproperties. — (KHACHATUR’YAN, G. A.; SHIF, A. I.; OLEKHNOVICH,L. P.; REVINSKII, YU. V.; BREN’, V. A.; IVAKHNENKO, E. P.; Zh. Org.Khim. 31 (1995) 5, 699-704; Nauchno-issled. inst. fiz. org. khim. Rostovskogo-na-Dony gos., Rostov- na-Donu, Russia; RU)

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