New, effective method of synthesis and structural characterization of octakis(3-chloropropyl)octasilsesquioxane

被引:75
作者
Marciniec, Bogdan [1 ]
Dutkiewicz, Michal [1 ]
Maciejewski, Hieronim [1 ]
Kubicki, Maciej [1 ]
机构
[1] Adam Mickiewicz Univ, Dept Organomet Chem, Fac Chem, PL-60780 Poznan, Poland
关键词
18;
D O I
10.1021/om700962x
中图分类号
O61 [无机化学];
学科分类号
070301 ; 081704 ;
摘要
Our new synthesis of octakis(3-chloropropyl)octasilsesquioxane (1) is based on a two-stage hydrolytic condensation of 3-chloropropyltrimethoxysilane. This enables the selective formation of the desired product more rapidly (4 days), in comparison to methods used to date (5 weeks), while the yield (35%) is comparable. The process is,conducted in methanolic solution, with the first stage being acid hydrolysis and the second stage condensation in the presence of di-n-butyltin dilaurate as a catalyst.
引用
收藏
页码:793 / 794
页数:2
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