Abstract
The EPR spectra are reported of the tris(trimethylsilyl)methylsilyl radicals (Me3Si)3CSiHn– 1R3 –n(R = H, Et or F, n= 1, 2 or 3) which were prepared by abstraction of hydrogen atoms from the corresponding tris(trimethylsilyl)methylsilanes, (Me3Si)3CSiHnR3 –n by photolytically generated tert-butoxyl radicals in tert-butyl alcohol–di-tert-butyl peroxide as solvent. Similar reactions with the silanols (Me3Si)3CSiH(R)OH (R = H, Me, Et, Bu, Ph, F) under neutral conditions gave the spectra of the corresponding hydroxysilyl radicals (Me3Si)3CSi(R)OH˙, and, in the presence of potassium tert-butoxide, gave the spectra of the silanone radical anions (Me3Si)3CSi(R)O˙–.
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