Reactions at highly sterically hindered organosilicon centres. Chemistry of (Me3Si)3 CSiPhHI, (Me3Si)3CSiPh(OMe)I, and related species
作者:Zakariah H. Aiube、Colin Eaborn
DOI:10.1016/0022-328x(91)86400-k
日期:1991.12
(Me3Si)2C(SiPhHMe)(SiMe2F). The reactions of the iodide TsiSiPh(OMe)I with AgY give the unrearranged products TsiSiPh(OMe)Y, except that reaction with AgO2CMe in MeCO2H seems also to give some (Me3Si)2C[SiPh(OMe)Me](SiMe2O2CMe). Treatment of the hydrides TsiSiPhHX (X = OMe, OH, or F) with one molar proportion of ICl in CCl4 gives the iodides TsiSiPhXI, and these react with a further molar proportion of
碘化物TsiSiPhHI(Tsi =(Me 3 Si)3 C)已显示与一定范围的银(I)盐AgY反应,得到相应的TsiSiPhHY物种。与AgOCN的反应取决于条件,可以是单独的异氰酸酯,也可以是其与正氰酸酯的混合物。出乎意料的是,尽管与Et 2 O中的AgBF 4反应仅生成TsiSiPhHF,但在CH 2 Cl 2中的相同反应却得到了其与重排的(Me 3 Si)2 C(SiPhHMe)(SiMe 2 F)的混合物。碘化物TsiSiPh(OMe)I与AgY的反应产生未重排的产物TsiSiPh(OMe)Y,除了与AgO 2的反应MeCO 2 H中的CMe似乎也能提供一些(Me 3 Si)2 C [SiPh(OMe)Me](SiMe 2 O 2 CMe)。用一摩尔比例的ICl在CCl 4中处理氢化物TsiSiPhHX(X = OMe,OH或F)得到碘化物TsiSiPhXI,它们与另一摩尔比例的