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- W1574283202 abstract "An unexpected novel coordination mode of diazoalkanes has been verified via addition of 2-diazopropane to the metal—metal triple bond of bis[dicarbonyl(η5-pentamethylcyclopentadienyl)molybdenum] (MoMo). The dinuclear 1:1 addition product isolated in nearly quantitative yield is structurally characterized by a bent, 4-electron type η1:η2-diazoalkane ligand, with the terminal nitrogen atom symmetrically bridging the metal-metal “single bond” (d(MoMo) 305.0(2) pm; d(MoN(1)) 212.0(12) and 212.6(10) pm, respectively) and the second nitrogen atom being bonded to one molybdenum atom only (d(MoN(2)) 213.4(13) pm). Ein unerwarteter, neuartiger Komplexierungsmodus der Diazoalkane konnte durch Addition von 2-Diazopropan an die Metall-Metall-Dreifachbindung von Bis[dicarbonyl(η5-pentamethylcyclopentadienyl)molybdän] (MoMo) verifiziert werden: Das in nahezu quantitativer Ausbeute isolierte zweikernige 1:1 Additionsprodukt ist strukturchemisch durch eine gewinkelte, als 4-Elektronen-Ligand fungierende η1:η2-Diazoalkan-Brücke charakterisiert. Während das endständige Stickstoffatom eine Metall-Metall-“Einfachbindung” symmetrisch überbrückt (d(MoMo) 305.0(2) pm; d(MoN(1)) 212.0(12) bzw. 212.6(10) pm), ist das Diazostickstoffatom N(2) nur an eines der beiden Metallzentren gebunden (d(MoN(2)) 213.4(13) pm)." @default.
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- W1574283202 date "1982-12-01" @default.
- W1574283202 modified "2023-09-29" @default.
- W1574283202 title "Übergangsmetall—methylen-komplexe" @default.
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- W1574283202 doi "https://doi.org/10.1016/s0022-328x(00)85140-2" @default.
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