New insights into the water-solubilization of thiol-sensitive fluorogenic probes based on long-wavelength 7-hydroxycoumarin scaffolds
作者:Benoît Roubinet、Pierre-Yves Renard、Anthony Romieu
DOI:10.1016/j.dyepig.2014.02.004
日期:2014.11
The synthesis and photophysical properties of novel water-soluble phenol-based fluorophores derived from 3-benzothiazolyl-7-hydroxycoumarin and emitting in the range 485–631 nm are described. Further conversion into thiol-sensitive fluorogenic probes through the chemical modification of their hydroxyl group was next investigated. Depending on the type of thiol-reactive quenching moiety used (2,4-d
描述了衍生自3-苯并噻唑基-7-羟基香豆素并在485–631 nm范围内发射的新型水溶性酚基荧光团的合成和光物理性质。接下来研究通过其羟基的化学修饰进一步转化为对硫醇敏感的荧光探针的方法。根据所用硫醇反应性淬灭基团的类型(2,4-二硝基苯磺酰基酯,2,4-二硝基苯基醚或苯醌型迈克尔受体)和预先引入香豆素核心的水溶性基团,在生理条件下,观察到这些前荧光团的巯基诱导的荧光活化的差异。