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The NMR-Spectroscopic and X-ray Crystal-Structural Characterization of Two Cp*Ir Halfsandwich Complexes Containing the 1,2-Dicarba-closo-dodecaborane-1,2-diselenolato Ligand

✍ Scribed by Max Herberhold; Guo-Xin Jin; Hong Yan; Wolfgang Milius; Bernd Wrackmeyer

Publisher: John Wiley and Sons
Year: 1999
Tongue: English
Weight: 232 KB
Volume: 1999
Category: Article
ISSN: 1434-1948
DOI: 10.1002/(sici)1099-0682(199905)1999:5<873::aid-ejic873>3.0.co;2-m

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✦ Synopsis

The reaction of [Cp*IrCl 2 ] 2 with dilithium 1,2-ortho-{Se 2 C 2 (B 10 H 10 )}] (5). The molecular structures of 4 and 5 were determined by X-ray crystal structure analysis. The 77 Se-carborane-1,2-diselenolate 3 leads to the green 16-electron diselenolene complex [Cp*Ir{Se 2 C 2 (B 10 H 10 )}] (4) which takes nuclear shielding in 4 is lower by almost 500 ppm relative to that in 5. up two-electron ligands such as trimethylphosphane to give the 18-electron diselenolate derivative [Cp*Ir(PMe 3

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