2006
DOI: 10.1039/b602059c
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The cationic cluster Grignard [{MgCl(thf)2}33-C3H5)2]+

Abstract: The synthesis and structure of [{MgCl(thf)2}3(mu3-C3H5)2]2[Mg(C3H5)4], which contains both a cationic cluster Grignard and a tetraorganomagnesiate dianion, are reported.

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Cited by 18 publications
(12 citation statements)
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“…The archetypical σ‐type coordination mode is η 1 bonding ( A ), with localized single and double bonds in the allyl group. In a closely related coordination mode, one carbon atom of an allyl ligand with localized single and double bonds bridges three metal centers (μ 3 ‐η 1 :η 1 :η 1 , B ) 55b. Notably, an analogous bridging of two metal centers by an allyl ligand in the solid state has not been reported to date.…”
Section: Structure Of Allylmetal Compoundsmentioning
confidence: 99%
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“…The archetypical σ‐type coordination mode is η 1 bonding ( A ), with localized single and double bonds in the allyl group. In a closely related coordination mode, one carbon atom of an allyl ligand with localized single and double bonds bridges three metal centers (μ 3 ‐η 1 :η 1 :η 1 , B ) 55b. Notably, an analogous bridging of two metal centers by an allyl ligand in the solid state has not been reported to date.…”
Section: Structure Of Allylmetal Compoundsmentioning
confidence: 99%
“…Such exchange mechanisms have never been reported for allylmetal compounds. However, evidence for their viability can be deduced from solid‐state structures of a small cluster featuring allyl ligands in a bridging μ 3 ‐η 1 :η 1 :η 1 coordination55b and a cyclic tetramer with allyl ligands coordinating in a μ 2 ‐η 3 :η 3 fashion 42. It is highly possible, although not proven, that such processes take place in solution in addition to the “structure‐altering” allyl exchanges.…”
Section: Structure Of Allylmetal Compoundsmentioning
confidence: 99%
“…Der archetypische σ‐Bindungsmodus ist die η 1 ‐Koordination (Schema ; A ) mit lokalisierten Einfach‐ und Doppelbindungen im Allylliganden. In einem eng verwandten Koordinationsmodus verbrückt ein C‐Atom eines Allylliganden mit lokalisierten Einfach‐ und Doppelbindungen drei Metallzentren (μ 3 ‐η 1 :η 1 :η 1 ; B ) 55b. Eine analoge Verbrückung zweier Metallzentren durch einen Allylliganden im Festkörper ist dagegen noch nicht beschrieben.…”
Section: Struktur Von Allylmetallverbindungenunclassified
“…Über diese “strukturerhaltenden” Austauschmechanismen für Allylverbindungen ist noch nicht berichtet worden. Belege für ihre Realisierbarkeit können jedoch aus Festkörperstrukturen eines kleinen Clusters mit Allylliganden in verbrückendem μ 3 ‐η 1 :η 1 :η 1 ‐Koordinationsmodus55b und eines cyclischen Tetramers mit μ 2 ‐η 3 :η 3 ‐Allylliganden42 abgeleitet werden.…”
Section: Struktur Von Allylmetallverbindungenunclassified
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