Abstract
We herein describe a three-component interrupted click reaction to synthesize novel 5-pentafluoroethyl 1,2,3-triazoles in one step from readily available terminal alkynes and azides. The key reagent [CuCF2CF3], prepared from the low-cost gas pentafluoroethane, demonstrates an orthogonal reactivity in facilitating cycloaddition rather than previously reported radical reactions. Reaction conditions are mild by using air as a green oxidant.
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