ChemInform Abstract: Synthesis of Hetaryl‐Substituted Benzoxazoles via Oxidative Cyclization of Phenolic Schiff′s Bases.

Abstract

Benzoxazole derivatives R 0230 Synthesis of Hetaryl-Substituted Benzoxazoles via Oxidative Cyclization of Phenolic Schiff's Bases. -Manganese triacetate is used as alternative reagent for the oxidative intramolecular ring closing reaction of phenolic Schiff's bases (I) to novel heteroaryl substituted benzoxazoles (II). -(OZOKAN, K. G.; GUMUS, M. K.; KABAN*, S.; J. Heterocycl. Chem. 45 (2008) 6, 1831-1834; Dep. Chem., Yildiz Tech. Univ., TR-34220 Esenler, Istanbul, Turk.; Eng.) -H. Haber 15-127