ENANTIOSELECTIVE COMPLEXATION OF ORGANIC AMMONIUM-IONS BY SIMPLE TETRACYCLIC PODAND IONOPHORES

被引：86

作者：

WANG, XH ^{[1
]}

ERICKSON, SD ^{[1
]}

IIMORI, T ^{[1
]}

STILL, WC ^{[1
]}

机构：

[1] COLUMBIA UNIV,DEPT CHEM,NEW YORK,NY 10027

来源：

JOURNAL OF THE AMERICAN CHEMICAL SOCIETY | 1992年 / 114卷 / 11期

关键词：

D O I：

10.1021/ja00037a014

中图分类号：

O6 [化学];

学科分类号：

0703 ;

摘要：

A series of enantiomerically pure, C2-symmetric tetracyclic podands are synthesized and studied. These host molecules have methyl substitution, which allows only a few low-energy conformations, and they form well-defined complexes with chiral ammonium salts. With derivatives of alpha-phenethylammonium hexafluorophosphate as guests, binding enantioselectivity ranges from approximately 0 to 60% ee. X-ray structures of several podand/chiral ammonium perchlorate complexes are described along with a conformational analysis of the podands and their complexes.

引用

页码：4128 / 4137

页数：10

共 32 条

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