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Selective Dilithiation of [Ti(q-CH)(η-CH)] and Subsequent Conversion into Neutral and Cationic ansa-Complexes.

Selective dimetalation of a sandwich complex featuring the cyclooctatetraene ligand has been accomplished for the first time. The isolation of the dilithiated species 1 subsequently enabled the isolation of a paramagnetic [2]stannatitanoarenophane (2) via salt elimination reaction. Chemical oxidatio...

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Published in:Journal of the American Chemical Society Vol. 133; no. 15; pp. 5780 - 5784
Main Authors: Braunschweig, Holger, Fuss, Marco, Kupfer, Thomas, Radacki, Krzysztof
Format: Article
Published: American Chemical Society 4/20/2011
Subjects:
Complex compounds
Ligands (Chemistry)
Oxidation
Proton transfer reactions
Chemical reactions
X-ray diffraction
Online Access:View this record in EBSCOhost
Summary:Selective dimetalation of a sandwich complex featuring the cyclooctatetraene ligand has been accomplished for the first time. The isolation of the dilithiated species 1 subsequently enabled the isolation of a paramagnetic [2]stannatitanoarenophane (2) via salt elimination reaction. Chemical oxidation resulted in the formation of a rare example of a cationic ansa-complex (3).