Lithium ion-selective binding properties of a conformationally constrained tris(spirotetrahydrofuran) secured to an inositol orthoformate platform

被引：25

作者：

Tae, J

Rogers, RD

Paquette, LA ^{[1
]}

机构：

[1] Ohio State Univ, Evans Chem Labs, Columbus, OH 43210 USA

[2] Univ Alabama, Dept Chem, Tuscaloosa, AL 35487 USA

来源：

ORGANIC LETTERS | 2000年 / 2卷 / 02期

关键词：

D O I：

10.1021/ol990342d

中图分类号：

O62 [有机化学];

学科分类号：

070303 ; 081704 ;

摘要：

[GRAPHICS] The C-3v-symmetric triaxially locked trispirotetrahydrofuran 2 binds Li+ ions strongly and Na+ ions much less effectively. The observed discrimination factor is attributed to greater structural preorganiztion and lower solvation prior to selective complexation, and particularly to the formation of a 2:1 sandwich complex involving lithium. C-13 NMR studies have defined a reluctance to form a 1:1 species when excess Li+ is present.

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页码：139 / 142

页数：4

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