常压70°C下歧化制备二甲基二氯硅烷的研究StudyonthePreparation.PDF

化学通报 2003 年 第66 卷 w111 常压 70C 下歧化制备二甲基二氯硅烷的研究 1 2* 1 3 徐文媛 李凤仪 王乐夫 洪三国 1 2 3 ( 华南理工大学化工学院 广州 510640 南昌大学应用化学研究所 南昌 330047 江西师范大学化生学院 南昌 330027) 摘 要 采用 B3LYP/6-31G*基组对一甲基三氯硅烷和三甲基氯硅烷在三氯化铝的催化下歧化 制备二甲基二氯硅烷的反应进行了理论计算 得出了催化剂将优先与三甲基氯硅烷作用的结论 在 常压和70C 的温度下 采用自己设计的玻璃反应管 对上述反应进行了实验研究 得出了该歧化反 应的新工艺 关键词 B3LYP/6-31G* 歧化 二甲基二氯硅烷 常压 催化剂 Study on the Preparation of Dichlorodimethylsilane by Redistribution at Atmospheric Pressure and 70C 1 2 1 3 Xu Wenyuan , Li Fengyi *, Wang Lefu , Hong Sanguo 1 ( Institute of Chemical Engineering, South China University of Technology,Guangzhou 510640) 2 ( Institute of Applied Chemistry, Nanchang University, Nanchang 330047) 3 ( Institute of Chemistry and Biology, Jiangxi Normal University, Nanchang 330027) Abstract The redistribution of trichloromethylsilane and chlorotrimethylsilane has been studied experimentally in glass reacting tube (at normal pressure and 70C) by aluminum chloride, and has been further studied theoretically by density functional theory. The catalyst would firstly react with chlorotrimethylsilane. The data of theoretical calculations are consistent with the results of the experiments. Key words B3LYP/6-31G*, Redistribution, Dichlorodimethylsilane, Atmospheric pressure, Cat