Author/Authors :
Sook Kyung Kim، نويسنده , , Dongwon Seo، نويسنده , , Su Jung Han، نويسنده , , Guiyoup Son، نويسنده , , In-Ja Lee، نويسنده , , Chongmok Lee، نويسنده , , Kap Duk Lee، نويسنده , , Juyoung Yoon، نويسنده ,
Abstract :
A new acridine derivative bearing two imidazolium groups has been synthesized. This chemosensor displayed a large fluorescent quenching effect with pyrophosphate and a unique fluorescent enhancement with H2PO4−. The strong (C–H)+⋯X− hydrogen bonding between the imidazolium moieties and anions is the key interaction for the recognition. The association constant of 1 with pyrophosphate was calculated as 4.9×107 M−1.
