Acid exchanged montmorillonite catalyzed condensation reaction of fluoroalkyliodide onto amines

被引：0
|
作者：
Hachemaoui, A [1 ]
Belbachir, M [1 ]
Yahiaoui, A [1 ]
机构：
[1] Univ Oran, Fac Sci, Dept Chim, Lab Chim Polymeres, Oran 31000, Algeria
来源：
ASIAN JOURNAL OF CHEMISTRY | 2005年 / 17卷 / 02期
关键词：
montmorillonite; maghnite; catalyst; self-condensation; perfluorohexylethylene iodide; amines;
D O I：
暂无
中图分类号：
O6 [化学];
学科分类号：
0703 ;
摘要：
The H-maghnite (Maghnia, Algeria), a montmorillonite sheet silicate clay was treated in different H2SO4 concentrations at 20 degrees C. The aluminium and silicon were identified by Al-27 and Si-29 MAS NMR spectroscopy. Three different types of structural units were identified in acid-treated maghnite Q(4)(0Al) units of amorphous silica with three-dimensional cross-liked framework; (SiO)(3)SiOH and Q(4)(1Al) units. The catalytic activity of acid-treated maghnite was evaluated by reacting l,1,1,2,2,3,3,4,4,5,5,6,6-tridecafluoro-8-iodo octane with several amines to yield perfluoro-alkylamines and no byproducts were obtained during the reaction. The structure of perfluoroalkylamines obtained was characterized by H-1, C-13 and F-19 NMR.
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页码：755 / 766
页数：12
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