Reaction of 2-alkoxy- and 2-hydroxypropenals with o -phenylenediamine: a route to benzimidazoles and quinoxalines

作者: Nadezhda V. Vchislo , Ekaterina A. Verochkina , Lyudmila I. Larina , Alexander V. Vashchenko , Yurii A. Chuvashev

DOI: 10.1016/J.MENCOM.2017.03.020

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摘要: The reaction of o-phenylenediamine with 2-alkoxypropenals at room temperature affords 2-(1-alkoxyvinyl)benzimidazoles (53–68%), while 2-hydroxy-3-arylpropenals give 2-(arylmethyl) quinoxalines (85–86%).

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