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Insertion of sodium phosphaethynolate, Na[OCP], into a zirconium–benzyne complex

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Abstract

Reaction of the zirconium–benzyne complex [Cp2Zr(PMe3)(C6H4)] with sodium phosphaethynolate, Na[OCP], affords a zircono-phosphaalkene complex. Notably, unlike reactions of other transition metal complexes with Na[OCP] that yield the products of simple salt metathesis, this transformation represents novel Na[OCP] insertion chemistry and formation of an unusual solid state coordination polymer. The polymer is disrupted upon addition of Me3SiCl to afford a silyl-capped dimer that retains the zirconophosphaalkene functionality. Protonation of either form of zirconophosphaalkenes results in the formation of benzoylphosphine, PhC([double bond, length as m-dash]O)PH2.

Graphical abstract: Insertion of sodium phosphaethynolate, Na[OCP], into a zirconium–benzyne complex

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Publication details

The article was received on 24 Feb 2017, accepted on 03 Apr 2017 and first published on 21 Apr 2017


Article type: Communication
DOI: 10.1039/C7CC01482A
Citation: Chem. Commun., 2017, Advance Article
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    Insertion of sodium phosphaethynolate, Na[OCP], into a zirconium–benzyne complex

    J. M. Kieser, R. J. Gilliard, Jr., A. L. Rheingold, H. Grützmacher and J. D. Protasiewicz, Chem. Commun., 2017, Advance Article , DOI: 10.1039/C7CC01482A

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