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Dr. Andrew T. Parsons, Todd D. Senecal and Prof. Dr. Stephen L. Buchwald Iron(II)-Catalyzed Trifluoromethylation of Potassium Vinyltrifluoroborates Angewandte Chemie International Edition 51

Version of Record online: 10 FEB 2012 | DOI: 10.1002/anie.201108267

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Exchanging BF3 by CF3: The title reaction proceeds under exceedingly mild reaction conditions and provides 2-arylvinyl- and 2-heteroarylvinyl-substituted substrates with E/Z selectivities of more than 95:5. Experimental observations suggest that the reaction does not proceed through a transmetalation of the RBF3K species to the iron catalyst.

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