配体

The results of this study indicate that the introduction of a heteroatom into the methylene (–CH2–)n skeleton of bis spacers is an efficient method for construction of novel MOFs.

这部分工作表明通过向柔性双咪唑配体的烷基链骨架(–CH2–)n中引入杂原子O来进行修饰对于构建具有新奇结构的金属-有机框架是一种行之有效的方法。

Hydrazide and its analogues have found their practial applications in analysis, catalysis, optical material, especially in biochemistry owing to their peculiar structures.

酰肼类化合物特殊的结构特征，使得它在分析、催化、光学材料特别是生物化学领域具有实际应用前景，而且酰肼类配合物往往表现出优于配体的活性。

Benzaldehyde nitrogen mustard isonicotinoyl hydrazone was synthesized according to literature method. The copper , cobalt , nickel , chromium , iron , zinc and cadmium complexes of it were prepared and characterized by elemental analysis, IR, UV-vis, NMR and EPR spectra. The cytotoxicity effect of the complexes was examined on SMMC-7721 cell line. Results show that the complexes have definite antitumor activity and the synergic effect between chromium and the ligand.

依照文献合成了异烟肼苯甲醛氮芥腙及其铜、钴、铬、镍、铁、锌和镉配合物并用元素分析、红外、电子光谱、核磁共振及电子顺磁共振光谱，对这些配合物进行表征，确认了它们可能的立体结构，并研究它们对SMMC-7721人肝癌细胞的作用，结果表明它们均有一定的抗肿瘤作用，发现铬与配体存在有协同作用。

In this paper, with 2-oxo-propionic acid salicyloyl hydrazone as a ligand, one calcium complex, three copper complexes and thirteen rare earth(RE=La, Ce, Pr, Nd, Sm, Eu. Gd, Tb, Dy, Er, Tin, Yb and Lu) complexes have been synthesized. The crystals of four complexes were obtained, and the crystal structures were determined by single crystal X ray diffraction. One of the crystals is calcium complex, the other are binary and trinary complexes of copper.

本文选用2-羰基丙酸水杨酰腙作为配体，在水中分别与钙、铜、稀土(RE=La、Ce、Pr、Nd、Sm、Eu、Gd、Tb、Dy、Er、Tm、Yb和Lu)的盐反应，共制得了17种未见文献报道的配合物，另外还培养了2-羰基丙酸水杨酰腙、咪唑与铜、钙的二元及三元配合物的四种单晶，对La-Gd的稀土的配合物进行了溶解热的测定，并用Gauss-98软件包对铜的配合物进行了有关量化计算。

The asymmetric addition of organometallic reagents to prochiral imine in the presence of chiral ligands is attrac...

有机金属试剂在手性配体促进下对潜手性亚胺的对映选择性加成已成为有兴趣的课题之一。

The asymmetric addition of organometallic reagents to prochiral imine in the presence of chiral ligands is attracting inceasing interest.

有机金属试剂在手性配体促进下对潜手性亚胺的对映选择性加成已成为有兴趣的课题之一。

Thermal reaction of Ru312 with unsymmetrical Fv ligand 2-(tert-butylcyclopentadienyl)-indene provided [5:5-(tBuC5H3)(C9H6)]Ru24 (2) in good yield.

羰基钌与不对称的二氢富瓦烯配体2--茚在加热条件下反应高产率地生成化合物 [5：5-(tBuC5H3)(C9H6)]Ru24 (2)。

These experiments suggest that the aromatic moiety on the side chain of the ligands may partially intercalate into the base pairs of DNA.

说明这三个配合物是以配体支链上的芳香环平面部分地插入到相邻碱基对之间与DNA结合的。

The intercalate binding affinities was consistent with the ligands's planarities.

插入作用的强弱与配合物中配体分子平面大小有关。

Theresults suggested that they both intercalate into DNA as well as that the different positions of substituent groups don\'t effect on the binding mode but effect on thebinding affinity.

文中还研究了这两个配体对HeLa、HepG2以及L02的药理活性，结果表明它们对肿瘤细胞HeLa、HepG2有较强的抑制能力，对正常细胞L02的抑制效果较差。

According to the clear water experiment, aeration performance of the new equipment is good with high total oxygen transfer coefficient and oxygen utilization ratio.

曝气设备的动力效率在叶轮转速为120rpm～150rpm时取得最大值，此时氧利用率和充氧能力也具有较高值。

The environmental stability of that world - including its crushing pressures and icy darkness - means that some of its most famous inhabitants have survived for eons as evolutionary throwbacks, their bodies undergoing little change.

稳定的海底环境─包括能把人压扁的压力和冰冷的黑暗─意谓海底某些最知名的栖居生物已以演化返祖的样态活了万世，形体几无变化。