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Siloxide : ウィキペディア英語版
Siloxide
Siloxides are chemical compounds with the formula R3SiOM, where R is usually an organic group and M is usually a metal cation. Also called silanoates, they are derived by deprotonation of silanols. They also arise by the degradation of siloxanes by base:〔Clemens Krempner "Role of Siloxides in Transition Metal Chemistry and Homogeneous Catalysis" Eur. J. Inorg. Chem. 2011, 1689–1698. 〕
:R3SiOSiR3 + 2 NaOH → 2 R3SiONa + H2O
Cleavage of cyclic siloxanes affords siloxides:
:(Me2SiO)3 + MeLi → Me3SiOSiMe2OSiMe2OSiMe2OLi
These anions function as ligands for metal ions, forming complexes similar to metal alkoxides. Triphenylsiloxide is a common derivative useful for generating metal complexes. A very bulky siloxide is tert-butyl3SiO, sometimes called silox.
==References==


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