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Synthesis, Structural Characterization and Reactivity of the (Ferriomethyl)silanols C5R5(OC)2Fe−CH2−SiMe(R′)OH (R = H, Me; R′ = Me, Ph)

✍ Scribed by Wolfgang Malisch; Marco Hofmann; Martin Nieger; Wolfgang W. Schöller; Andreas Sundermann

Publisher
John Wiley and Sons
Year
2002
Tongue
English
Weight
264 KB
Volume
2002
Category
Article
ISSN
1434-1948

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✦ Synopsis

The novel (ferriomethyl)-substituted silanols C 5 R 5 (OC) 2 Fe-CH 2 -SiMe(RЈ)OH [R = H, RЈ = Me (4a), Ph (4b); R = Me, RЈ = Me (4c)] are obtained by hydrolysis of the chloro(ferriomethyl)silanes C 5 R 5 (OC) 2 Fe-CH 2 -SiMe(RЈ)Cl [R = H, RЈ = Me (3a), Ph (3b); R = Me, RЈ = Me (3c)] in the presence of Et 3 N. Another access to this class of compounds is offered by the oxygenation of Si-H-functional (ferriomethyl)silanes with dimethyldioxirane, as shown for 4a by the oxo-functionalization of the (ferriomethyl)silane Cp(OC) 2 -Fe-CH 2 -SiMe 2 H (3d). 4a-c have been characterized spectroscopically and by X-ray structure analyses showing the formation of tube-or chain-like arrangements in the solid state caused by hydrogen bonding. In addition, the bonding

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