Domino Hydroboration/Trifluoromethylation of Alkynes Using Fluoroform-Derived [CuCF3]
2017
He, Lisi | Yang, Xinkan | Tsui, Gavin Chit
A domino hydroboration/trifluoromethylation (formal hydrotrifluoromethylation) of alkynes using the fluoroform-derived [CuCF₃] reagent is achieved. Synthetically useful (E)-alkenyl-CF₃ building blocks and 1,1-bis(trifluoromethyl)-substituted alkenes can be prepared under ambient conditions in one pot/one step from alkynes. The ultimate source of CF₃ is the inexpensive industrial waste fluoroform.
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