Synthesis and Characterization of Novel Trifluoromethylphenyl Silane Monomers

Using 3,5-bis(trifluoromethyl)bromobenzene and methyltrimethoxysilane or tetraethoxysilane as raw materials, novel trifluoromethylphenyl silanes were synthesized via Grignard reaction and substitution reaction, and the molecular structure of silane products was characterized by NMR, FT-IR, MS techniques and elemental analysis. The reaction result showed that the reactivity of Grignard reagent was different in THF and diethyl ether when subjected to substitution reaction, which gave three products with different substitution degree. According to the current work, mono-, di- and tri-substituted product can be obtained selectively from the same reactants by controlling the reaction condition.

作 者： LI Zhanxionga DU Lipinga TANG Songqing WANG Changyaoa   作者單位： LI Zhanxionga,DU Lipinga,WANG Changyaoa(College of Textile and Clothing Engineering, Soochow University, Suzhou, Jiangsu 215021, China)

TANG Songqing(Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, China) 

刊 名： 中國化學（英文版）  SCI 英文刊名： CHINESE JOURNAL OF CHEMISTRY  年，卷(期)： 2009 27(12)  分類號： O6  關鍵詞： synthesis   Grignard reaction   substitution   trifluoromethylphenyl   silane synthesis   Grignard reaction   substitution   trifluoromethylphenyl   silane  

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