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Issue 42, 2019
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Finding a soft spot for vanadium: a P-bound OCP ligand

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Abstract

Transmetallation studies with the phosphaethynolate ion, [OCP], have largely resulted in coordination according to classical Lewis acid–base theory. That is, for harder early transition metal ions, O-bound coordination has been observed, whereas in the case of softer late transition metal ions, P-bound coordination predominates. Herein, we report the use of a V(III) complex, namely [(nacnac)VCl(OAr)] (1) (nacnac = [ArNC(CH3)]2CH; Ar = 2,6-iPr2C6H3), to transmetallate [OCP] and bind via the P-atom as [(nacnac)V(OAr)(PCO)] (2), the first example of a 3d early transition metal that binds [OCP]via the P-atom. Full characterization studies of this molecule including HFEPR spectroscopy, SQuID measurements, and theoretical studies are presented.

Graphical abstract: Finding a soft spot for vanadium: a P-bound OCP ligand

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Article information


Submitted
23 Feb 2019
Accepted
03 Apr 2019
First published
05 Apr 2019

Chem. Commun., 2019,55, 5966-5969
Article type
Communication

Finding a soft spot for vanadium: a P-bound OCP ligand

L. N. Grant, J. Krzystek, B. Pinter, J. Telser, H. Grützmacher and D. J. Mindiola, Chem. Commun., 2019, 55, 5966
DOI: 10.1039/C9CC01500K

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