Supersilylsilane R*SiX<sub>3</sub>: Darstellung, Charakterisierung und Strukturen; sterische und van-der-Waals Effekte der Substituenten X [1] / Supersilylsilanes R*SiX<sub>3</sub>: Syntheses, Characterization and Structures; Steric and van-der-Waals Effects of Substituents X [1]
作者:Nils Wiberg、Wolfgang Niedermayer、Heinrich Nöth、Jörg Knizek、Werner Ponikwar、Kurt Polbom
DOI:10.1515/znb-2000-0509
日期:2000.5.1
SitBu3; X = H, Me, tBu, Ph, SiMe3, F, Cl, Br, I, OMe, OSO2CF3) are prepared (i) by reactions of supersilylhalosilanes with supersilyl sodium NaR* (Hal/R* exchange), (ii) by reactions of supersilylhalosilanes with hydride H- (Hal/H exchange), (iii) by reactions of supersilylsilanes with halogens Hal2 (H/Hal exchange, R*/Hal exchange), (iv) by reactions of supersilylhalosilanes with nucleophiles like
超甲硅烷基硅烷 R * SiX3(R * = 超甲硅烷基 = SitBu3;X = H、Me、tBu、Ph、SiMe3、F、Cl、Br、I、OMe、OSO2CF3)通过 (i) 超甲硅烷基卤硅烷与超甲硅烷基钠 NaR 反应制备(Hal / R * 交换),(ii)通过超甲硅烷基卤硅烷与氢化物 H-(Hal / H 交换)的反应,(iii)通过超甲硅烷基硅烷与卤素 Hal2 的反应(H / Hal 交换,R * / Hal 交换),( iv) 通过超甲硅烷基硅烷与 F-、MeO- 等亲核试剂的反应(Hal / F 或 Hal / OMe 交换)和 (v) 通过超甲硅烷基硅烷与强酸的反应(H / OSO2CF3 交换)。R * SiX3 的 SiX3 基团的 NMR 化学位移 δ (29Si) 在很大程度上取决于 X 的性质。超甲硅烷基硅烷 R * SiX3 部分对湿气敏感(尤其是具有 SiX3≡