Copper-Catalyzed Tandem Synthesis of Tetrasubstituted Pyrimidines from Alkynes, Sulfonyl Azides, Trichloroacetonitrile, and Tetramethylguanidine

[摘要]：The synthesis of a novel class of pyrimidine derivatives via a copper-catalyzed tandem reaction of trichloroacetonitrile, 1,1,3,3-tetramethylguanidine, sulfonyl azides, and terminal alkynes is described.

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