A Tetrakisquinoline Analog of Calcium Indicator Quin2 for Fluorescence Detection of Cd
<sup>2+</sup>
作者:Yuji Mikata、Minori Kaneda、Marin Tanaka、Satoshi Iwatsuki、Hideo Konno、Arimasa Matsumoto
DOI:10.1002/ejic.201901323
日期:2020.3.8
Quin2 (2‐2‐[bis(carboxymethyl)amino‐5‐methylphenoxy]methyl}‐6‐methoxy‐8‐[bis(carboxymethyl)amino]quinoline) is a well‐known fluorescent Ca2+ indicator. In this study, we replaced its four carboxy groups with quinolines and deleted a methyl group on the benzene ring to afford TQquin2 [N,N,N',N'‐tetrakis(2‐quinolylmethyl)‐8‐amino‐2‐(2‐aminophenoxy)methyl‐6‐methoxyquinoline]. In methanol solution, TQquin2
Quin2(2- 2- [双(羧甲基)氨基-5-甲基苯氧基]甲基} -6-甲氧基-8- [双(羧甲基)氨基]喹啉)是一种著名的荧光Ca 2+指示剂。在这项研究中,我们用喹啉取代了其四个羧基,并删除了苯环上的甲基,从而得到TQquin2 [ N,N,N',N'-四(2-喹啉基甲基)-8-氨基-2-(2 -氨基苯氧基)甲基-6-甲氧基喹啉]。在甲醇溶液中,TQquin2对Cd 2+的荧光增强,选择性极好。