CHIRALITY-DEPENDENT EXCITED-STATE QUENCHING OF EU(DPA)3(3-) AND TB(DPA)3(3+) LUMINOPHORES BY DIASTEREOMERIC STRUCTURES OF DELTA-[CO(TRANS-1,2-CYCLOHEXANEDIAMINE)3](3+) IN AQUEOUS-SOLUTION

被引：5

作者：

BOLENDER, JP ^{[1
]}

METCALF, DH ^{[1
]}

RICHARDSON, FS ^{[1
]}

机构：

[1] UNIV VIRGINIA,DEPT CHEM,CHARLOTTESVILLE,VA 22901

来源：

JOURNAL OF ALLOYS AND COMPOUNDS | 1994年 / 207卷

基金：

美国国家科学基金会;

关键词：

D O I：

10.1016/0925-8388(94)90175-9

中图分类号：

O64 [物理化学（理论化学）、化学物理学];

学科分类号：

070304 ; 081704 ;

摘要：

Four diastereomers of DELTA-[Co(trans-1,2-cyclohexanediamine)3]3+ are examined as enantioselective excited-state quenchers of chiral Eu(dpa)3(3-) and Tb(dpa)3(3-) luminophores (dpa=dipicolinate dianion) in solution. In their quenching actions, all four diastereomers can distinguish between and interact differentially with the LAMBDA and DELTA enantiomers of the luminophores, but their enantiomeric preferences show interesting variations that may be correlated with chelate-ring conformational structure.

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页码：55 / 58

页数：4

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