Highly efficient synthesis of benzopyranopyridines via ZrP2O7 nanoparticles catalyzed multicomponent reactions of salicylaldehydes with malononitrile and thiols
作者： Javad Safaei-Ghomi , Marzieh Kiani , Abolfazl Ziarati , Hossein Shahbazi-Alavi
DOI: 10.1080/17415993.2014.913291
关键词:
摘要: ZrP2O7 nanoparticles as an efficient catalyst have been used for the preparation of benzopyrano[2,3-b]pyridines from four-component condensation reaction salicylalde-hydes, thiols, and 2 equiv. malononitrile under reflux conditions in ethanol excellent yields short times.
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