Modulation of water exchange in europium(III) DOTA-tetraamide complexes via electronic substituent effects

Modulation of water exchange in europium(III) DOTA-tetraamide complexes via electronic substituent effects
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DOI:
10.1021/ja076325y
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发表时间:
2008-01-09
影响因子:
15
通讯作者:
Sherry, A. Dean
Sherry, A. Dean
中科院分区:
化学1区
文献类型:
--
作者:
Ratnakar, S. James;Woods, Mark;Sherry, A. Dean

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在单个配位悬臂上带有 p 取代基的一系列基于 Eu3+ 的四酰胺配合物的化学交换饱和转移 (CEST) 效率对水交换率高度敏感。 CEST 效应按 Me < MeO < F -(CO2Bu)-Bu-t < CN 的顺序增加
The chemical exchange saturation transfer (CEST) efficiency for a series Eu3+-based tetraamide complexes bearing p-substituents on a single coordinating pendant arm is highly sensitive to water exchange rates. The CEST effect increases in the order Me < MeO < F -(CO2Bu)-Bu-t < CN