本文合成了三个噻吩桥联香豆素衍生物,7-N,N-二乙氨基-3-(5-(芘-1-基)噻吩-2-基)-香豆素(Py-Th-NC),7-(N,N-二乙氨基)-3-(4-(5-(7-(N,N-二乙氨基)-香豆素-3-基)噻吩-2-基)苯基)-香豆素(NC-Th-Ph-NC)和 3-(4-(5-(7-(N,N-二乙氨基)-香豆素-3-基)噻吩-2-基)苯基)-香豆素(NC-Th-Ph-C),分别采用HRMS、1H NMR和IR对其结构进行了表征,并研究了三个化合物的发光性能、电化学性能及热稳定性.结果表明,这些香豆素衍生物具备很好的热稳定性,并在二氯甲烷溶液中显示蓝绿色或绿色荧光.“,”Three kinds of novel N-coumarin derivatives with thiophene as π bridge,named 7-N,N-diethylamino-3-(5-pyren-1-yl-thiophen-2-yl)-coumarin(Py-Th-NC),7-(N,N-diethylamino)-3-(4-(5-(7-(N,N-diethylamino)-coumarin-3-yl)thiophen-2-yl)phenyl)-coumarin(NC-Th-Ph-NC)and 3-(4-(5-(7-(N,N-diethylamino)-coumarin-3-yl)thiophen-2-yl)phenyl)-coumarin(NC-Th-Ph-C),were successfully synthesized.Their structures were confirmed by HRMS,1H NMR and IR.The luminescence properties,electrochemical properties and thermal stabilities of these compounds were investigated.The results revealed that they exhibit good thermal stabilities and show strong blue-green or green photoluminescence in dichloromethane solution.