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Dr. Qiang Sha and Prof. Yunyang Wei Copper(I)-Catalyzed Wittig Olefination Reactions of N-Tosylhydrazones with Trifluoromethylketones ChemCatChem 6

Version of Record online: 23 OCT 2013 | DOI: 10.1002/cctc.201300583

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Going in one direction: Cuprous iodide-catalyzed Wittig olefination reactions of N-tosylhydrazones with trifluoromethylketones are reported. Trifluoromethyl-substituted alkenes were obtained in moderate to good yields (up to 89 % yield) and good stereoselectivity (up to 93 % (E)-selectivity). It is the first report of Wittig reaction of N-tosylhydrazones with ketones.

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