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Rhodium(III) Complexes Featuring Coordinated CF3 Appendages.

ABSTRACT: The synthesis and characterisation of a homologous series of rhodium 2,2'-biphenyl complexes featuring intramolecular dative bonding of the nominally inert and weakly coordinating trifluoromethyl group are described. Presence of these interactions is evidenced in the solid state using X-ray diffraction, with Rh-F contacts of 2.36-2.45?Å, and in solution using NMR spectroscopy, through hindered C-CF3 bond rotation and the presence of time-averaged 1 JRhF and 2 JPF coupling.

SUBMITTER: Emerson-King J 

PROVIDER: S-EPMC6519252 | biostudies-literature | 2019 May

REPOSITORIES: biostudies-literature

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Rhodium(III) Complexes Featuring Coordinated CF<sub>3</sub> Appendages.

Emerson-King Jack J   Prokes Ivan I   Chaplin Adrian B AB  

Chemistry (Weinheim an der Bergstrasse, Germany) 20190409 25

The synthesis and characterisation of a homologous series of rhodium 2,2'-biphenyl complexes featuring intramolecular dative bonding of the nominally inert and weakly coordinating trifluoromethyl group are described. Presence of these interactions is evidenced in the solid state using X-ray diffraction, with Rh-F contacts of 2.36-2.45 Å, and in solution using NMR spectroscopy, through hindered C-CF<sub>3</sub> bond rotation and the presence of time-averaged <sup>1</sup> J<sub>RhF</sub> and <sup>  ...[more]

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