Poly(propylene imine) dendrimers functionalized with stilbene or 1,4-distyrylbenzene chromophores

被引：10
|
作者：
Schulz, Andrea [1 ]
Meier, Herbert [1 ]
机构：
[1] Johannes Gutenberg Univ Mainz, Inst Organ Chem, D-55009 Mainz, Germany
来源：
TETRAHEDRON | 2007年 / 63卷 / 46期
关键词：
crosslinking; dendrimers; photochemistry;
D O I：
10.1016/j.tet.2007.08.064
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
Two generations of dendritic nanoparticles were prepared, which contain (E)-stilbene or (E, E)-1,4-distyrylbenzene chromophores in the 4 or 8 terminal positions of the propylene imine dendrons. The compounds show a highly efficient photoreactivity. On prolonged irradiation all stilbenoid chromophores were destroyed by oligomerization (crosslinking) and the typical absorption and fluorescence of the chromophores disappeared completely. (C) 2007 Elsevier Ltd. All rights reserved.
引用
收藏
页码：11429 / 11435
页数：7
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