| 甲基苯基聚硅烷的合成及氯甲基化 |
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| 引用本文： | 阮军,李志芳,李美江,来国桥,沈永嘉.甲基苯基聚硅烷的合成及氯甲基化[J].华东理工大学学报(自然科学版),2009,35(5). |
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| 作者姓名： | 阮军 李志芳 李美江 来国桥 沈永嘉 |
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| 作者单位： | 1. 华东理工大学精细化工研究所,上海,200237
2. 杭州师范大学有机硅化学及材料技术教育部重点实验室,杭州,310012 |
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| 基金项目： | 国家自然科学基金(20676036) |
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| 摘 要： | 以甲基苯基二氯硅烷为原料,使用Wurtz偶联法和低价钛试剂法合成了甲基苯基聚硅烷.低价钛试剂法可以得到产率较高的、分子量分布较窄的甲基苯基聚硅烷(Mn=16 860,分散系数Mw/Mn=1.6).在氯仿中以四氯化锡为催化荆,甲基苯基聚硅烷与甲基氯甲基醚反应得到氯甲基苯基甲基聚硅烷,Mn=5 630,只有前者的1/3,且反应收率只有12%.
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| 关 键 词： | 甲基苯基 聚硅烷 氯甲基化 Wurtz偶联法 低价钛试剂 |
Synthesis of Polymethylphenylsilane and Its Chloromethylation |
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| RUAN Jun,LI Zhi-fang,LI Mei-jiang,LAI Guo-qiao,SHEN Yong-jia.Synthesis of Polymethylphenylsilane and Its Chloromethylation[J].Journal of East China University of Science and Technology,2009,35(5). |
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| Authors: | RUAN Jun LI Zhi-fang LI Mei-jiang LAI Guo-qiao SHEN Yong-jia |
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| Institution: | 1.Institute of Fine Chemicals;East China University of Science and Technology;Shanghai 200237;China;2.Key Laboratory of Organosilicon Chemistry and Material Technology of Ministry of Education;Hangzhou Normal University;Hangzhou 310012;China |
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| Abstract: | Polymethylphenylsilanes were synthesized from methylphenyl dichloroorganosilane by using two different kinds of methods,Wurtz-coupling and the low-valent titanium reagent.The results showed that using the low-valent titanium reagent could get polymethylphenylsilanes with narrow molecular weight distribution(M_n=16 860,M_w/M_n=1.6).The polymethylphenylsilanes could react with chloromethyl methyl ether in chloroform in the presence of SnCl_4 to get chloromethylphenyl methyl silanes,but its mean molecular weig... |
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| Keywords: | methylphenyl polysilanes chloromethylation Wurtz-coupling low-valent titanium reagent |
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