4.8 Article

Copper-Catalyzed β-Trifluoromethylation of Conjugated Hydrazones

Journal

ORGANIC LETTERS
Volume 16, Issue 18, Pages 4770-4773

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/ol5022228

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Funding

  1. French Ministry of Higher Education and Research (MESR)

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The Cu-catalyzed direct beta-trifluoromethylation of alpha,beta-unsaturated aldehyde N,N-dibenzylhydrazones with Togni hypervalent iodine reagent is described. The reaction yields stereodefined CF3-alkenyl derivatives under mild conditions and is proposed to proceed via a radical process.

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