2019
DOI: 10.1002/anie.201902116
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Flexible Platinum(0) Coordination to a Ditungsten Ethanediylidyne

Abstract: The lithiocarbyne [W(CLi)(CO) 2 (Tp*)] (Tp* = hydrotris(3,5-dimethylpyrazol-1-yl)borate) reacts with [PtCl 2 -(L 2 )] (L 2 = 1,5-cyclo-octadiene,n orbornadiene) to furnish ditungsten ethanediylidyne complexes,[W 2 {m-C 2 Pt(L 2 )}(CO) 4 -(Tp*) 2 ], wherein at rigonal platinum(0) center unsymmetrically ligates one WCb ond in the solid state but rapidly shimmies between the two WCb onds in solution. The h 4dienes are displaced by monodentate CO or isocyanide ligands to provide derivatives where both W Cb onds co… Show more

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Cited by 23 publications
(24 citation statements)
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“…It was outlined by the authors that "The shimmying of platinium between WC units appears to be as pecific feature of the ditungstabutadiyne in that such ap rocess does not occur for ad itungstaoctatetra-yne…". [13]…”
Section: Essaysmentioning
confidence: 99%
“…It was outlined by the authors that "The shimmying of platinium between WC units appears to be as pecific feature of the ditungstabutadiyne in that such ap rocess does not occur for ad itungstaoctatetra-yne…". [13]…”
Section: Essaysmentioning
confidence: 99%
“…[8a] Vord iesen Untersuchungen untersuchten Takahashi und Mitarbeiter solche sowie verwandte Systeme im Detail zur Verwendung für hochinteressante Synthesezwecke, [6] um letztendlich zur "merry-go-round-reaction" zu kommen. [8a] Informationen zum Verbleib der C-Atome wurden von Reaktionen des [(C 5 D 5 ) 2 TiCl 2 ]a nstelle von [Cp 2 TiCl 2 ]u nd 13 C-angereicherten Cp-Liganden in [Cp 2 TiCl 2 ] 2 erhalten. Beispielsweise konnten aus der Reaktion mit verschiedensten Arylnitrilen fünf C-Atome des Dihydroinden-Liganden im jeweiligen Titankomplex Produkte mit zwei und drei C-Atomen separiert werden (Schema 6).…”
Section: Essaysunclassified
“…Essays "flattern") durch Frogley und Hill versehen worden (Schema 15). [13] Nach einer isolobalen Betrachtung besteht eine Analogie dieser Systeme,[ W C-CW],z ud en Gruppe-4-Metallocenkomplexen des 1,3-Butadiins,R C C-C CR. Dementsprechend wird in der Arbeit wie fürd ie C 4 -Atome eine Beweglichkeit zwischen h 4 -u nd h 2 -1,3-Diin-Koordinierung diskutiert.…”
Section: Angewandte Chemieunclassified
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“…Prior to this,T empleton had obtained the tetracarbido analogue [(Tp*)(CO) 2 WCÀCCÀ C W(CO) 2 (Tp*)] (WC 4 W)v ia an elegant multiple deprotonation/oxidation sequence commencing with the ethylidyne complex [(Tp*)(CO) 2 W(CMe)] [9] and we have recently described the simplest "parent" C 2 example [(Tp*)(CO) 2 W CÀCW(CO) 2 (Tp*)] (WC 2 W). [10] Ther outes employed lack generality,however Berke has demonstrated aredox valencerelocalisation approach in which 4-electron oxidation of dimetallated butadi-yn-diyls may be converted to dimetallahexatriynes (butadi-yn-diylidynes), [11] whilst Tamm has identified the complex [R 3 WCÀCCÀCWR 3…”
Section: In1885mentioning
confidence: 99%