Study on the Preparation of Dichlorodimethylsilane by Redistribution at Atmospheric Pressure and 70°C

Xu Wenyuan¹, Li Fengyi²*,  Wang Lefu¹,  Hong Sanguo³
(¹Institute of Chemical Engineering, South China University of Technology, Guangzhou  510640)
(²Institute of Applied Chemistry, Nanchang University,  Nanchang  330047)
(³Institute 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 70°C) 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,  Catalyst

常压、70°C下歧化制备二甲基二氯硅烷的研究

徐文媛¹  李凤仪^2*  王乐夫¹  洪三国³
(¹华南理工大学化工学院  广州  510640  ²南昌大学应用化学研究所 南昌 330047  ³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70°C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

徐文媛  女，27岁，博士生，现从事量化计算和有机硅方面的研究。E-mail: xwy1027@sina.com *联系人
2002-09-24收稿，2003-04-20修回

(PDF全文下载c03111)