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Oxidatively induced aryl-CF3 coupling at diphosphine nickel complexes

Bour, JR, Roy, P, Canty, AJ, Kampf, JW and Sanford, MS 2020 , 'Oxidatively induced aryl-CF3 coupling at diphosphine nickel complexes' , Organometallics, vol. 39, no. 1 , pp. 3-7 , doi: 10.1021/acs.organomet.9b00678.

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Abstract

This communication describes the synthesis of a series of diphosphine NiII(Ph)(CF3) complexes and studies of their reactivity toward oxidatively induced Ph–CF3 bond-forming reductive elimination. Treatment of these complexes with the one-electron outer-sphere oxidant ferrocenium hexafluorophosphate (FcPF6) affords benzotrifluoride, but the yield varies dramatically as a function of diphosphine ligand. Diphosphines with bite angles of less than 92° afforded 3. In contrast, those with bite angles between 95 and 102° formed PhCF3 in yields ranging from 62 to 77%.

Item Type: Article
Authors/Creators:Bour, JR and Roy, P and Canty, AJ and Kampf, JW and Sanford, MS
Keywords: nickel (III), computation, DFT, carbon-carbon coupling
Journal or Publication Title: Organometallics
Publisher: Amer Chemical Soc
ISSN: 0276-7333
DOI / ID Number: 10.1021/acs.organomet.9b00678
Copyright Information:

Copyright 2019 American Chemical Society

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