Quantitative Fluorescent Detection of Pyrophosphate with Quinoline-Ligated Dinuclear Zinc Complexes
摘要:
Dinuclear zinc complex [Zn-2(TQHPN)-(AcO)](2+) exhibits characteristic fluorescence response (lambda(ex) = 317 nm and lambda(em) = 455 nm) toward pyrophosphate (PPi) with maximum fluorescence upon 1:1 Zn-2(TQHPN)-PPi complex formation. The crystallographic investigation utilizing (PP2)-P-1-Ph(2)PPi revealed that the fluorescent response mechanism is due to intramolecular excimer formation of two quinoline rings.