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A facile approach to polysubstituted oxazolidin‐2‐ones is presented via a copper(I)‐catalyzed tandem decarboxylative/carboxylative cyclization of a propiolic acid, a primary amine and an aldehyde (PA2‐coulpling). This new multicomponent coupling constitutes an efficient methodology to provide the corresponding oxazolidin‐2‐ones in good yields.
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Feng et al. (2012) studied this question.
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