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- W2015673709 abstract "The hydride complexes Na·([{L(CO)2Mn}2H]) (Na·1) (L = Cp, Cp′, Cp*), react with tin halides Sn(Hal)2 to give dimanganastannacumulene compounds [L(CO)2MnSnMn(CO)2L] (2. For L = Cp* the compound [Cp*(CO)2MnSnMn(CO)2Cp*] (2a, which is already known, can be isolated. For L = Cp, Cp′, 2 is only available in solution. In the presence of 2,2,2-Crypt. the cumulene intermediates 2 add the halide present in the solution forming the anionic “inidene” compounds Mn(CO)2L]− (4). For L = Cp′ the compounds 4 (Hal = Br (4a; Hal = Br (4b); Hal = (4c) are characterized by X-ray analyses. The compounds 4 show trigonal planar coordination around the bridging tin(0). Their geometry thus corresponds to the one observed at their isoelectronic neutral analogues with group 15 bridging elements (X = P, As, Sb, Bi). Synthesis and properties of the tin(0) complexes 4, as well as of tin(II) derivates of type [{L(CO)2Mn}Sn(SR)3]− (3 are presented and discussed with regard to spectroscopic and structural data. Die Hydridkomplexe Na·([{L(CO)2Mn}2H] (Na·2) (L = Cp, Cp′, Cp*), setzen sich mit Zinnhalogeniden Sn(Hal)2 zu Dimanganastannacumulenkomplexen [L(CO)2MnSnMn(CO)2L] um. Mit L = Cp* kann die bereits bekannte Verbindung [Cp*(CO)2MnSnMn(CO)2Cp*] (2a) isoliert werden. Für L = Cp, Cp′ kann 2 nur in Lösung erhalten werden. Im Beisein von 2,2,2-Crypt. addieren die als Intermediate gebildeten Cumulene 2 das in Lösung vorhandene Halogenid unter Bildung der anionischen “Iniden”-Komplexe (4. Für L = Cp′ gelingt die Charakterisierung der Verbindungen 4 (Hal = Cl (4a; Hal = Br (4b; Hal = I (4c)) auch röntgenographisch. Die Verbindungen 4 enthalten trigonal-planar koordiniertes Sn0. Ihr Bau entspricht damit dem ihrer isoelektronischen, neutralen Analoga mit Brückenelementen aus der Gruppe 15 (CO)2L] (X = P, As, Sb, Bi). Synthese und Eigenschaften der Sn)-Verbindungen 4, sowie von SnII-Verbindungen des Typs [{L(CO)2Mn}Sn(SR)3]− (3) werden beschrieben und anhand von Spektren und Strukturanalysen diskutiert." @default.
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- W2015673709 date "1991-08-01" @default.
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- W2015673709 title "Trigonal-planar koordiniertes Sn0 in [{Cp′(CO)2Mn} 2SnHal]−:Zinnverbindungen vom “Iniden”-Typ" @default.
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- W2015673709 doi "https://doi.org/10.1016/0022-328x(91)83243-w" @default.
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