作者:Hongzhi Liu、Shin‐ichi Kondo、Nobuhiro Takeda、Masafumi Unno
DOI:10.1002/ejic.200900012
日期:2009.4
incompletely condensedsilsesquioxane, R7Si7O9(OH)3, a (monobromomethyl)phenyl-tethered octasilsesquioxane and (tribromomethyl)phenyl-tethered octasilsesquioxane were easily obtained. Finally, the resulting two compounds were further hydrolyzed to form a (monohydroxymethyl)phenyl- and monocarboxyphenyl-functionalized octasilsesquioxane, respectively.(© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany,
通过控制N-溴代琥珀酰亚胺(NBS)与三氯(对甲苯基)硅烷的比例,首次选择性制备了[4-(溴甲基)苯基]三氯硅烷和三氯[4-(三溴甲基)苯基]硅烷。然后,通过用不完全缩合的倍半硅氧烷处理上述两种三氯硅烷,很容易获得 R7Si7O9(OH)3、(单溴甲基)苯基连接的八倍半硅氧烷和(三溴甲基)苯基连接的八倍半硅氧烷。最后,将所得两种化合物进一步水解,分别形成(单羟甲基)苯基和单羧基苯基官能化的八聚倍半硅氧烷。 (© Wiley-VCH Verlag GmbH & Co. KGaA, 69451 Weinheim, Germany, 2009)