AG+ ION-SELECTIVE LARIAT ETHERS - HIGH-PRESSURE SYNTHESES AND CATION RECOGNITION PROPERTIES

被引：32

作者：

MATSUMOTO, K ^{[1
]}

HASHIMOTO, M ^{[1
]}

TODA, M ^{[1
]}

TSUKUBE, H ^{[1
]}

机构：

[1] OKAYAMA UNIV, COLL LIBERAL ARTS & SCI, DEPT CHEM, OKAYAMA 700, JAPAN

来源：

JOURNAL OF THE CHEMICAL SOCIETY-PERKIN TRANSACTIONS 1 | 1995年 / 19期

关键词：

D O I：

10.1039/p19950002497

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

A new series of lariat ethers have been prepared by a high pressure SNAr reaction, in which various heteroaromatics are directly connected to the nitrogens of 12-, 15- and 18-membered aza-crown ethers. Liquid membrane transport studies demonstrated that lariat ethers having thiazole, oxazole, pyrazine and pyridazine rings on their sidearms exhibited excellent Ag+ ion selectivity. C-13 NMR binding experiments revealed that these lariat ethers selectively formed encapsulated Ag+ complexes in a different fashion from that of double armed crown ethers. Cooperative action between the heteroaromatic sidearm and the aza-crown ring afforded unique cation recognition.

引用

页码：2497 / 2502

页数：6

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