2010
DOI: 10.1002/ange.201001000
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Zugang zu ausgedehnten Polyphosphor‐Gerüsten

Abstract: Professor Malcolm H. Chisholm zum 65. Geburtstag gewidmet Die Aktivierung von P 4 -Phosphor ist ein aktuelles Teilgebiet der gegenwärtigen Chemie. Unlängst wurden durch Hauptgruppenelementverbindungen große Fortschritte erzielt, da sie in der Lage sind, eine, [1] zwei [2] oder drei P-P-Bindungen [3] zu öffnen und das P 4 -Molekül zu P 2 -oder P 1 -Einheiten abzubauen.[4] Die Aggregation von P 4 durch N-heterocyclische Carbene (NHCs) hat gezeigt, dass die große P 12 -Einheit in A erhalten werden kann.[5] Weiter… Show more

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Cited by 22 publications
(14 citation statements)
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“…As a representative approach, the triple‐decker complex [(Cp′′′Co) 2 (μ‐C 7 H 8 )] ( 1 , Cp′′′=C 5 H 2 ‐1,2,4‐ t Bu 3 ), which exists in solution as a 14‐valence‐electron (VE) [Cp′′′Co] fragment, enables the reaction with P 4 under very mild conditions. Tuning both the stoichiometry and the reaction conditions of 1 with free white phosphorus, different polyphosphorus (P n ) aggregates ( n ≤29) and the binuclear derivative [(Cp′′′Co) 2 (μ,η 2:2 ‐P 2 ) 2 ] were obtained . The missing building block [Cp′′′Co(η 4 ‐P 4 )] became recently accessible as one of the rare representatives of complexes containing a cyclo ‐P 4 endo ‐deck (type D ) revealing to be metastable in solution over time .…”
Section: Methodsmentioning
confidence: 99%
“…As a representative approach, the triple‐decker complex [(Cp′′′Co) 2 (μ‐C 7 H 8 )] ( 1 , Cp′′′=C 5 H 2 ‐1,2,4‐ t Bu 3 ), which exists in solution as a 14‐valence‐electron (VE) [Cp′′′Co] fragment, enables the reaction with P 4 under very mild conditions. Tuning both the stoichiometry and the reaction conditions of 1 with free white phosphorus, different polyphosphorus (P n ) aggregates ( n ≤29) and the binuclear derivative [(Cp′′′Co) 2 (μ,η 2:2 ‐P 2 ) 2 ] were obtained . The missing building block [Cp′′′Co(η 4 ‐P 4 )] became recently accessible as one of the rare representatives of complexes containing a cyclo ‐P 4 endo ‐deck (type D ) revealing to be metastable in solution over time .…”
Section: Methodsmentioning
confidence: 99%
“…[2c] The reaggregation of small E n (n = 1 to 4) fragments to form extended phosphorus frameworks is known for transition-metal-mediated as well as main-group-mediated activation of P 4 . [5] One of the most interesting polyphosphorus structural motifs is the P 8 cuneane cage which can be found in elemental, Hittorfs phosphorus. [6] formation of D which contains a P 8 4À cuneane unit was explained by the formation of P 2 intermediates.…”
mentioning
confidence: 99%
“…The AsÀAs bond lengths (2.4317 (5) (5) [3] to 2.435(4) [12] ). The M À As bond lengths for the terminally coordinated metal fragments (2.4675 (6) and 2.4692 (6) (6), As1-As5 2.4562(4), As1-As8 2.4557(4), As2-As6 2.4356(4), As2-As8 2.4323(4), As3-As6 2.4607(4), As3-As7 2.4499(4), As4-As5 2.4423(4), As4-As7 2.4317(5), As5-As6 2.4299(4), As7-As8 2.4348 (5). 4: Cr1-As1 2.608(1), Cr2-As2 2.628(1), Cr3-As3 2.626(1), Cr4-As4 2.635(1), As1-As5 2.4356(8), As1-As7 2.4246 (8)…”
mentioning
confidence: 99%
“…It is worth noting that 6a is the first example of a dinuclear ruthenium complex containing two bridging P 2 units side‐on coordinated to the metal centers. There are a few examples in the literature of similar species with other transitions metals in which the P 2 units have a completely different origin, that is, they are derived from the metal‐mediated activation of P 4 , …”
Section: Resultsmentioning
confidence: 99%