2,7-bis(1H-pyrrol-2-yl)ethynyl-1,8-naphthyridine:: An ultrasensitive fluorescent probe for glucopyranoside

被引：56
|
作者：
Liao, JH
Chen, CT [1 ]
Chou, HC
Cheng, CC
Chou, PT
Fang, JM
Slanina, Z
Chow, TJ
机构：
[1] Natl Taiwan Univ, Dept Chem, Taipei 106, Taiwan
[2] Acad Sinica, Inst Chem, Nankang 115, Taiwan
来源：
ORGANIC LETTERS | 2002年 / 4卷 / 18期
关键词：
D O I：
10.1021/ol0264096
中图分类号：
O62 [有机化学];
学科分类号：
070303 ; 081704 ;
摘要：
[GRAPHICS] A push-pull conjugated molecule, 2,7-bis(1H-pyrrol-2-yl)ethynyl-1,8-naphthyridine (BPN), has been designed to bind selectively with octyl glucopyranoside (OGU). The BPN/OGU quadruple hydrogen-bonding complex adopts a rigid BPN conformation in which the proton donor (d) and acceptor (a) relays (daad) are resonantly conjugated through the ethynyl bridge, inducing pi-electron delocalization, i.e., a charge transfer effect. The excellent photophysical properties make BPN a highly sensitive probe for monitoring glucopyranoside to a detection limit of similar to100 pM.
引用
收藏
页码：3107 / 3110
页数：4
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