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1)  ligand exchange
配体交换
1.
Based on chiral ligand exchange, the distribution behavior of ofloxacin enantiomers in the two-phase system containing copper(II) ion (Cu 2+) and N-n-dodecyl-L-proline (L) was studied.
基于配体交换反应 ,研究了氧氟沙星对映体在含有Cu2 + 和N n 十二烷基 L 脯氨酸手性配体 (L)两相体系中的分配平衡 。
2.
99 Tc m MVNM, which is prepared under room temperature through ligand exchange reaction, reacts with the four phosphine ligands respectively to obtain mixed complexes of 99 Tc m MVNM phosphine.
合成了一个N3 S配体 (MVNM)和 4个膦配体 ,并以配体交换法在室温下制备了99Tcm MVNM ,然后分别与 4个膦配体发生混配反应 ,得到放化纯大于 90 %的99Tcm MVNM 膦混配配合物。
3.
For the potential biological application, the CdSe/ZnSe/ZnS QDs were transferred into water phase from an organic phase by surface ligand exchange with mercaptopropionic acid.
为了实现量子点的表面生物功能化,通过巯基酸进行了表面配体交换修饰,使量子点表面具有水溶性的羧基功能团,并且能够维持较高的光致发光量子产率。
2)  ligand-exchange
配体交换
1.
Agarose gel electrophoresis was used to characterize the results of ligand-exchange.
以4-巯基苯甲酸(MBA)为调控分子,对照巯基己醇(MCH),基于配体交换法对纳米金(10nm)表面的寡核苷酸(DNA)自组装进行调控,并用凝胶电泳进行表征。
2.
99mTcN(NOET)2 was prepared through a two step ligand-exchange reaction by using SnCl2 as reduction agent and using H2NNHCSCH3 as a donor of nitride nitrogen atom (N3-) The radiochemical purity (RCP) of the product was over 90% by TLC.
合成了配体N-乙氧基-N-乙基氨荒酸钠(NOET),经元素分析、NMR、IR和MS确证了其结构,采用SnCl2作还原剂,作N3-给予体,经过配体交换两步法制备得到新型心肌灌注显像剂99mTcN(NOET)2,经TLC检测标记物的放化纯度大于90%。
3)  ligand exchange
配位体交换
1.
Based on ligand exchange theory,it can be explained that the amount of adsorption increases with decrease of pH value and reduces with decrease of sulfate concentrations.
通过配位体交换理论 ,很好地解释了吸附量随pH下降而增加 ,随硫酸根离子浓度的下降而减少。
4)  Ligand-exchange membrane
配体交换膜
5)  partner exchange in pairing
配体的配偶交换
6)  ligand exchange chromatography
配体交换色谱
1.
L hydroxyproline, L proline and L phenylalanine chiral stationary phases (CSP) were prepared for ligand exchange chromatography (LEC).
合成了L 羟基脯氨酸 ,L 脯氨酸 ,L 苯丙氨酸 3种硅胶键合手性配体交换色谱固定相 ,并用于α 羟基酸的直接光学分离 ,取得了较为满意的结果。
2.
L-Phenylalanine chiral stationary phase for ligand exchange chromatography was prepared by treating silica gel with 3-glycidoxypropyltrimethoxysilane and bonding L-phenylalanine.
合成了L-苯丙氨酸硅胶键合手性配体交换色谱固定相,并用于α-氨基酸的直接光学分离。
3.
L proline chiral stationary phases with various bonding amounts for ligand exchange chromatography were prepared by treating silica gel with 3 glycidoxypropyltrimethoxysilane and bonding L proline.
合成了两种不同键合量的L 脯氨酸硅胶键合手性配体交换固定相 ,装柱后利用配体交换色谱法分离了一系列的α 氨基酸。
补充资料:配体交换反应
分子式:
CAS号:

性质:配位化合物的取代反应包括配位化合中配位体取代配位体和金属取代金属两类。前者即属配体交换反应。此类反应有三种机理:(1)缔合机理Y+M—XY……M……X→Y—M+X;(2)离解机理M—XM+X,M+Y→M—Y;(3)交换机理M—X+Y→M—X……Y→M—Y……X→M—Y+X。而交换机理又分为两类。一是过渡态金属同进攻及离子去基团明显成键,反应速率与进攻基团相关,称为缔合交换机理。另一类是当金属同进攻及离去基团弱成键,反应速率与进攻基团关系不大,称为离解交换机理。

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