Biquinolino-Modifiedβ-Cyclodextrin Dimers and Their Metal Complexes as Efficient Fluorescent Sensors for the Molecular Recognition of Steroids
作者:Yu Liu、Yun Song、Yong Chen、Xue-Qing Li、Fei Ding、Rui-Qin Zhong
DOI:10.1002/chem.200305724
日期:2004.8.6
4'-dicarboxy-bridged bis(6-O-beta-CyD) (8), N,N'-bis(2-aminoethyl)-2,2'-biquinoline-4,4'-dicarboxamide-bridged bis(6-amino-6-deoxy-beta-CyD) (9), and N,N'-bis(5-amino-3-azapentyl)-2,2'-biquinoline-4,4'-dicarboxamide-bridged bis(6-amino-6-deoxy-beta-CyD) (10). The reaction of 8-10 with copper perchlorate give their copper(II) complexes 11-13 in satisfactory yields of over 77 %. All the bis(beta-CyD)s
通过用β-CyD或mono [6]处理2,2'-联喹啉-4,4'-二羧酸二氯化物,以中等收率合成了一系列具有各种长度的功能性链的桥连的β-环糊精(β-CyD)二聚体。 -寡聚(亚乙基二氨基)-6-脱氧]-β-CyDs。产物为2,2'-联喹啉-4,4'-二羧基桥联的双(6-O-β-CyD)(8),N,N'-双(2-氨基乙基)-2,2'-联喹啉-4,4'-二甲酰胺桥连的双(6-氨基-6-脱氧-β-CyD)(9)和N,N'-双(5-氨基-3-氮杂戊基)-2,2'-联喹啉-4,4'-二甲酰胺桥连的双(6-氨基-6-脱氧β-CyD)(10)。8-10与高氯酸铜的反应以令人满意的产率超过77%得到它们的铜(II)配合物11-13。所有的bis(beta-CyD)8-13都可以充当有效的荧光传感器,并在添加光学惰性类固醇后显示出显着的荧光增强。通过紫外/可见光谱,电导率和荧光测量研究了在13°C下用代表