Synthesis and photophysical properties of 1,8-naphthalimide-labelled PAMAM as PET sensors of protons and of transition metal ions

被引：112
|
作者：
Grabchev, I
Qian, XH
Bojinov, V
Xiao, Y
Zhang, W
机构：
[1] Bulgarian Acad Sci, Inst Polymers, BG-1113 Sofia, Bulgaria
[2] Dalian Univ Technol, State Key Lab Fine Chem, Dalian 116012, Peoples R China
[3] Univ Chem Technol & Met, BU-1756 Sofia, Bulgaria
[4] E China Univ Sci & Technol, Inst Pesticides & Pharmaceuts, Shanghai 200237, Peoples R China
来源：
POLYMER | 2002年 / 43卷 / 21期
基金：
中国国家自然科学基金;
关键词：
dendrimers; 1,8-naphthalimides; fluorescence;
D O I：
10.1016/S0032-3861(02)00417-2
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
Novel fluorescent derivatives of generation 0 polyamidoamine (PAMAM), comprising 1,8-naphthalimide units have been synthesized. Their basic photophysical properties in organic solvents of different polarity have been determined and discussed. A 4-N,N-dimethylaminoethylene-1,8-naphthalimide, labelled PAMAM, has been synthesized with designed fluorescent intensity and high sensitiveness to the presence of protons or transition metal cations. This sensitiveness has been ascribed to a photo-induced electron transfer from the amino groups of the central PAMAM core and the terminal amino groups of dialkylamino moieties to the electron-deficient component in 1,8-naphthalimide. (C) 2002 Published by Elsevier Science Ltd.
引用
收藏
页码：5731 / 5736
页数：6
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