摘要
介绍了硅烷化试剂N、N′ -双三甲基硅脲的合成反应机理 ,研究了它与 5种醇和 7种羧酸的反应。结果表明 ,以二氯甲烷为溶剂 ,在室温或 40℃下 ,N ,N′ -双三甲基硅脲可与醇或羧酸平稳反应 ,三甲基硅烷基醚的收率在 90 %以上 ,三甲基硅烷基酯的收率在 80
s:The synthesis reactionprinciple of N,N′ Bis[trimethylsilyl] urea was introduced.The reaction of that reagent with 5 kinds alcohol and 7 kinds carboxylic acids were studied.The results showed that,N,N′ Bis[trimethylsilyl] urea could react smoothly with alcohol and carboxylic acids in dichloromethane solvent at 20~40 ℃,the yields of trimethylsilyl ether and trimethylsilyl ester were more than 90% and 80% respectively.
出处
《有机硅材料》
CAS
2000年第5期15-17,共3页
Silicone Material
关键词
硅烷化试剂
三甲基硅烷基醚
硅脲
醇
羧酸
silylating agent,N,N′-Bis[trimethylsilyl]-urea,trimethylsilyl ether,trimethylsilyl ester,alcohol,carboxylic acid