Synthesis of 3-trifluoromethylpyrazoles via trifluoromethylation/cyclization of α,β-alkynic hydrazones using a hypervalent iodine reagent
2014
Ji, Guojing | Wang, Xi | Zhang, Songnan | Xu, Yan | Ye, Yuxuan | Li, Ming | Zhang, Yan | Wang, Jianbo
A mild and efficient method for the synthesis of 3-trifluoromethylpyrazoles has been established via trifluoromethylation/cyclization of α,β-alkynic hydrazones using a hypervalent iodine reagent under transition-metal-free conditions.
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