1) axial ligand exchange
轴向配体交换
2) axial ligand
轴向配体
1.
The influence of axial ligand on the epoxidation of cyclohexene under the catalysis of manganito-calix[6]arene-bisporphyrin P450 enzyme model compound was investigated.
研究了轴向配体对杯[6]芳烃-双金属卟啉仿P450酶模型催化环己烯环氧化反应的影响,并考察了反应的动力学规律,结合UV-vis监测反应的结果,提出了一种可能的反应机制。
2.
Resonance Raman spectra of a new rafted Porphyrm iron(Ⅲ)complexes,meso-mono [o—(4-dimethyl amino butylamidophenyl]triphenylporphyrin iron (Ⅲ)chloride and its adducts with a series of axial ligands such as imidazole,pyridine piperidine,Et_3N,Et_2NH, EtNH_2,n-C_3H_7NH_2,n-C_4H_9NH_2,Were observed over 457.
详细指认了其振动谱带,考察了轴向配体的改变对 Fe—N 键拉曼伸缩振动的影响。
3) axial ligands
轴向配体
1.
Two same or different axial ligands, such as DMSO, CH3CN or Pyridine, located above and below the complexing plane, respectively, can be easily thermoexchanged.
结果表明,配体环中4个sp~2杂化N原子均参与对Ru~(2+)配位,形成一个近似配位平面,另有两个相同或不同的轴向配体位于平面上下,形成稳定的八面体配位结构。
2.
Ironic porphyrin as an active center of model enzyme of cytochrome P450 and axial ligands which were thiosalicylic acid,L cystein, etc.
曾报道了以铁卟啉作为细胞色素Ｐ４５０模拟酶的活性中心，轴向配体例如巯基苯甲酸、半胱氨酸作为激活剂，提高模拟酶体系催化活性的研究。
4) 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。
5) 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％。
6) 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。
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。
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。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。
参考词条