Copper??in??Charcoal??Catalyzed, Tandem One??Pot Diazo Transfer??Click Reactions

CT Lee, S Huang, BH Lipshutz

文献索引：Lee, Ching-Tien; Huang, Shenlin; Lipshutz, H. Bruce Advanced Synthesis and Catalysis, 2009 , vol. 351, # 18 p. 3139 - 3142

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被引用次数: 44

摘要

Abstract Copper-in-charcoal (Cu/C) is an effective heterogeneous catalyst for tandem diazo transfer/click reactions. In the presence of Cu/C, various azides can be generated in situ from the corresponding amines, and subsequently undergo [3+ 2] cycloaddition with terminal alkynes to afford triazoles in good yields. The catalyst is also easily recycled.