Journal of Organic Chemistry p. 2427 - 2433 (1992)
Update date:2022-07-31
Topics:
Chatgilialoglu, C.
Guerra, M.
Guerrini, A.
Seconi, G.
Clark, K. B.
et al.
Tris(methylthio)silane and tris(isopropylthio)silane effectively reduce a variety of organic substrates via free radical mechanisms.These silanes can also be used as hydrosilylating agents for alkenes having electron-donating substituents.The bond dissociation energy of the Si-H bonds have been measured by photoacoustic calorimetry and found to be around 83 kcal mol-1.The absolute rate constants for the reaction of the tert-butoxyl radical with (RS)3SiH have been measured by a laser flash photolysis technique and the optical absorption spectra of the correspondingradicals have been obtained.Multiple scattering Xα calculations showed that the dominant absorption detected in the UV-vis region was due to ?Si-S(e) -> SOMO and SOMO -> ?*Si-S(e) transitions.
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Doi:10.1016/0008-6215(92)80001-H
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