Aryltrisilane Si3ArnH8−n (Ar = Ph, p-Tol; n = 2–7)
摘要:
Aryltrisilanes with the general formula ArnSi3H8-n (Ar=phenyl and/or p-tolyl, n = 2,3,4,5,6,7) have been prepared from corresponding arylfluoro-, arylchloro- or arylbromotrisilanes and LiAlH4. The infrared spectra as well as Si-29 NMR spectra are reported and the properties of the aryltrisilanes are described. (C) 1997 Elsevier Science S.A.
Synthese und eigenschaften partiell Si-fluorierter aryltrisilane
摘要:
Partially fluorinated aryltrisilanes FnSi3Ar8-n, FnHmSi3Ar8-n-m or FnClHmSi3Ar7-n-m (Ar = phenyl and/or p-tolyl) have been synthesized from Ph(3)SiSiPh(2)SiPh(3), Ph(3)SiSiClHSiPh(3), p-Tol(3)SiSiPh(2)SiPh(3), p-Tol(3)SiSiPh(2)Sip-Tol(3) and Ph(3)SiSip-Tol(2)SiPh(3) by applying combinations of the reaction sequences CF3SO3H/LiX (X = F, Cl) or CF3SO3H/LiAlH4. The trifluoromethanesulfonyloxy-substituted trisilanes used as intermediates have been identified with Si-29 NMR spectroscopy. The title compounds have been characterized with IR and Si-29 NMR spectroscopy as well as with elemental analyses.