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Neue Azidokomplexe des Tantals(V). Synthese und Molekülstruktur der Zweikernverbindungen [Cp*TaCl(N3)(μ-N3)]2(μ-O) und [Cp*Ta(N3)3(μ-N3)]2 (Cp* = Pentamethylcyclopentadienyl)

✍ Scribed by Max Herberhold; Achim Goller; Wolfgang Milius

Publisher
John Wiley and Sons
Year
2001
Tongue
German
Weight
123 KB
Volume
627
Category
Article
ISSN
0372-7874

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✦ Synopsis

Professor Kurt Dehnicke zum 70. Geburtstag gewidmet Inhaltsu È bersicht. Die Reaktion von Cp*TaCl 4 (1) mit u È berschu È ssigem Trimethylsilylazid (Me 3 Si±N 3 ) fu È hrt zu azid-reichen Zweikernkomplexen, die sowohl end-als auch bru È kkensta È ndige Azidoliganden enthalten. Bei Anwesenheit von Wasserspuren entstand in Dichlormethan der Oxokomplex [Cp*TaCl(N 3 )(l-N 3 )] 2 (l-O) (4); bei mehrta È giger Umsetzung in siedendem Toluol wurde [Cp*Ta(N 3 ) 3 (l-N 3 )] 2 (5) erhalten. Nach den Ro È ntgenstrukturanalysen ist der Ta ´´´Ta Abstand in 4 (314.5 pm) deutlich ku È rzer als in 5 (382.2 pm). New Azido Complexes of Tantalum(V). Synthesis and Molecular Structure of the Dinuclear Compounds [Cp*TaCl(N 3 )(l-N 3 )] 2 (l-O) and [Cp*Ta(N 3 ) 3 (l-N 3 )] 2

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Synthesis and Structure of the Tetrameri
Synthesis and Structure of the Tetrameric [Cp*V(μ-F)2]4 (Cp* = C5Me5); Preparation of the Imido Molybdenum Fluoride [(2,6-i-Pr2C6H3N)2MoF2] · THF and the Structural Investigation of [(2,6-i-Pr2C6H3N)6Mo4(μ3-F)2Me2(μ-O)4]
✍ Haijun Hao; Herbert W. Roesky; Chunming Cui; Hans-Georg Schmidt; Mathias Nolteme 📂 Article 📅 2000 🏛 John Wiley and Sons 🌐 German ⚖ 160 KB 👁 1 views

Treating [Cp\*V(l-Cl) 2 ] 3 (Cp\* = C 5 Me 5 ) and [(2,6-i-Pr 2 C 6 H 3 N) 2 MoMe 2 ], respectively, with Me 3 SnF afforded the title compounds [Cp\*V(l-F) 2 ] 4 (1) and [(2,6-i-Pr 2 C 6 H 3 N) 2 MoF 2 ] ´THF ( 2). 1 has a tetrameric structure, in which four V atoms can be regarded as being arranged