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Sterically Encumbered Metalla-diphosphines: Unlocking Alkyne Rotation by PtII Coordination

Abstract

We present the synthesis and coordination chemistry of a series of WII alkyne complexes with symmetric and asymmetric acetylene diphosphines. Chelate-like P,P’-coordination of PtCl2 causes a drastic potential change of the W centered oxidation proving intermetallic cooperativity. The choice of peripheric P-substituents has a measurable influence on the potential itself as well on the respective potential change upon coordination. The enlarged deviation of the diphosphino alkyne from linearity in the dinuclear complexes unlock alkyne rotation making different isomers accessible.

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Publication details

The article was received on 17 May 2017, accepted on 15 Jun 2017 and first published on 16 Jun 2017


Article type: Communication
DOI: 10.1039/C7DT01803G
Citation: Dalton Trans., 2017, Accepted Manuscript
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    Sterically Encumbered Metalla-diphosphines: Unlocking Alkyne Rotation by PtII Coordination

    K. Helmdach, S. Dörk, A. Villinger and W. W. Seidel, Dalton Trans., 2017, Accepted Manuscript , DOI: 10.1039/C7DT01803G

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