A Convenient Aqueous Copper-Catalyzed Synthesis of Quinazolinones.
2015
Abstract A simple and highly efficient method for the aqueous copper-catalyzed coupling reactions with the aid of a commercially available surfactant (TPGS-750-M) is reported. In an aqueous micellar medium, 2-halobenzoic acids derivatives reacted with amidines and guanidines and generated the corresponding quinazolinone derivatives in good to excellent yields in the range of room temperature to, at most, 50 °C. In addition, the reaction medium can be recycled, and this method led to a significant improvement of the E factors in comparison with the previously reported process.
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