Tetraphosphonate-calix[4]resorcinarene. A powerful host for alkali metal and ammonium cations encapsulation.

被引：47

作者：

Delangle, P ^{[1
]}

Dutasta, JP ^{[1
]}

机构：

[1] ECOLE NORMALE SUPER LYON,STEREOCHIM & INTERACT MOLEC,CNRS,F-69364 LYON 07,FRANCE

来源：

TETRAHEDRON LETTERS | 1995年 / 36卷 / 51期

关键词：

D O I：

10.1016/0040-4039(95)02031-J

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

Tetraphosphonate calix[4]resorcinarene 1 has been isolated in its iiii conformation with the four P=O groups pointing inwards. Complexation studies proved 1 to be an efficient extractant and a powerful ligand for alkali metals and ammonium cations. It is assumed that the phosphorylated crown delineating the upper rim of the cavity and the aromatic cavity act cooperatively by means of ion dipole and specific x-interactions for encapsulation of size adapted cationic species.

引用

页码：9325 / 9328

页数：4

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