Oxidative conversion of amines into benzoxazoles using hydrogen transfer catalysis

…, MM Farah, SP Marsden, O Saidi, JMJ Williams

Index: Blacker, A. John; Farah, Mohamed M.; Marsden, Stephen P.; Saidi, Ourida; Williams, Jonathan M.J. Tetrahedron Letters, 2009 , vol. 50, # 45 p. 6106 - 6109

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Citation Number: 30

Abstract

Benzoxazoles are synthesised directly by oxidative condensation of primary and secondary amines with o-aminophenols under hydrogen transfer catalysis. The optimal system utilises 1mol% of the Shvo catalyst, with dimethoxybenzoquinone as the hydrogen-accepting terminal oxidant.