吡啶

In addition, the stability of ternary Cu 〓complexes polypyridyl=1, 10-phenanthroline (Phen , pyrido [3, 2-f] [1, 7] phenanthroline , 1, 4, 8, 9-tetraazatriphenylene , dipyrido [3, 2-a: 2'3'-c] phenazine , imidazo phenanthroline and 2-phenylimidazo phenanthroline , NTP=ATP and UTP was studied by potentiometric pH titration in water at temperature 15℃, 25℃ and 35℃, and in 30% and 50% aqueous dioxane solution at 25℃.

另外，用pH电位滴定法研究了多吡啶芳香配体polypyridyl配合物Cu〓（PL=1，10-邻菲咯啉、吡啶并[3，2-f][1，7]邻菲咯啉、1，4，8，9-四氮三联苯、二吡啶并[3，2-a∶2'3'-c]吩嗪和2-苯基咪唑并邻菲咯啉或咪唑并邻菲咯啉）在不同温度（15℃、25℃和35℃）水溶液及30%和50%二氧六环-水混和溶剂（25℃）中的稳定性。

Cobalt forms colored complexes with pyridire,,β-picoline and γ-picoline in aqueous solutions.

在水溶液中鈷和吡啶，3-甲基吡啶，4-甲基吡啶形成紅色的1：1絡离子。

Picoline was treated with hydrogen peroxide to form intermediate N-oxide-3- methylpyridine then chloridized with benzoyl chloride to form 2-chloro-5-methylpyridine.

以3-甲基吡啶为原料通过过氧化氢氧化得中间产物3-甲基吡啶-N-氧化物，再用苯甲酰氯氯化得到粗产品2-氯-5-甲基吡啶。

In complex 1,Cucan be described as a four-coordinated square planar geometry.Compound 8 is the sodium salt of plumbagin and exists as ionic compound.Compounds 9-16 are the rare earth complexes of plumbagin with La,Y,Dy,Sm,Gd,Nd,Erand Eu.Compound 17 is binuclear Y complex.18 is mononuclear Ycomplex with plumbagin and another ligand from Plumbago Zeylanica.Compounds 19-21 are the ternary complexes with plumbagin and 2,2\'-bpy and phen as assistant ligand.In 19, the geometry of Cucan be described as five-coordinated distorted square pyramid that exists in a dimer through the weak bonding,and 1-D chain structure is formed by intermolecular hydrogen bonds.

化合物1的单晶结构分析表明1具有四配位平面四边形结构，化合物8是白花丹素的Na盐，以离子化合物形式存在；化合物9～16为白花丹素的La，Y，Dy，Sm，Gd，Nd，Er，Eu的稀土金属配合物；化合物17是白花丹素的双核钇结构；化合物18为白花丹素的单核钇结构，该配合物除了含白花丹素外，还有来自白花丹植物中的另一个单体化合物也参与配位；化合物19～21是以2，2\'-联吡啶和邻菲咯啉等含N配体为辅助配体，具有白花丹素—含N配体—金属离子的三元配合物，化合物19是白花丹素和2，2\'-联吡啶与Cu的配合物，具有五配位的四方锥构型，通过Cu…O弱的成键作用形成二聚体，再通过分子间的氢键作用进一步形成一维链状结构，化合物20和化合物21是白花丹素分别与2，2\'-联吡啶和邻菲咯啉的Zn配合物，都具有六配位八面体构型的双核锌配合物，呈一维链状结构，化合物20中链与链之间的大量氢键将一维链扩展成二维层，分子间的π-π堆积作用进一步形成三维结构。

Five Butenafine's analogues were designed and synthesized according to the structure-activity relationship and operating mechanism of benzylamine antimycotics.

根据苄胺类抗真菌化合物的构效关系、作用机理，设计合成了 5个布替萘芬类似物，N (2 氯 5 吡啶甲基) N 甲基 1 萘甲胺，N ，N 二(4 叔丁基苄基) 1 萘甲胺，N (4 叔丁基苄基) N (2 氯 5 吡啶甲基) 1 萘甲胺，N ，N 二苄基 4 叔丁基苯甲胺，N (2 氯 5 吡啶甲基) N 苄基 4 叔丁基苯甲胺。

Benzylidene[1,3-bis(2,6-dimethylphenyl)-4,5-dihydroimidazol-2-ylidene]dichloro(2-methylpyridine)ruthenium (62), benzylidene[1,3-bis(2,6-dimethylphenyl)-4,5-dihydroimidazol-2-ylidene] dichloro(2,4-dimethylpyridine)ruthen ium (63) introduce ortho substituted pyridine as dissociating ligand to weaken Ru-N bondand accelerate dissociation of pyridine derivative ligand through steric hindrance.

在钌卡宾配合物[1，3-二-(2，6-二甲苯基)-4，5-二氢咪唑基]-苯亚甲基-(2-甲基吡啶)-二氯合钌(62)，1，3-二-(2，6-二甲苯基)-4，5-二氢咪唑基1-苯亚甲基-(2，4-二甲基吡啶)-二氯合钌(63)中，邻位取代的吡啶作为解离配体，通过邻位基团的空间效应削弱钌-氮配位键，使配体更易解离，提高了催化剂的初活性。

We introduce two pyridinedicarboxylate (2,5-H2pdc and 2,6-H2pdc) ligands, under hydrothermal or solvothermal condition, to yield 7 complexes with InCl3. Complex 17 presents a rare example of chiral binodal (4,8)-connected lattice with self-interpenetration.

选择了两种吡啶二羧酸配体： 2，5-吡啶二羧酸(2，5-H2pdc)； 2，6-吡啶二羧酸(2，6-H2pdc)和InCl3反应合成了七个配位化合物其中17表现了一例少有的手性的(4，8)连接的双节点自穿插拓扑结构。

The adsorption behavior of probing molecule of pyridine and bipyridine at Zn electrode has been studied utilizing the SERS technique.

两种联吡啶分子和锌的作用都比吡啶强，2，2'-联吡啶在锌表面存在由电位变化引起的两种表面吸附物种构型的转换。

In this paper, according to principles of molecular design, Cu,Ag, Cu,Fe, Ni, Mn, and Co were selected as templates, 8,8'-Dithiodiquinoline,4-cyanopyridine,2,2'-Bipyridyl-3,3'-dicarboxylic acid, 4,4'-bipyridine as building blocks.

本课题通过分子设计，以Cu，Cu，Mn，Co，Ni，Fe，Ag为模板，以8，8'-二硫联喹啉，4-氰基吡啶，4，4'-联吡啶和2，2'-联吡啶-3，3'-二羧酸为构件，用溶剂热法合成新的配位聚合物，测定其晶体结构，并研究其导电性和热行为。

First,the interaction between bipyridyl and In was investigated by the methods of electrochemistry,UV spectra and difference UV spectra.Then the interaction between In and DNA was investigated by the methods of electrochemistry.At last the electrochemistry behavior of interaction between In complex and DNA was studied.

本文选用联吡啶为配体，首先研究了In与联吡啶相互作用的电化学及紫外光谱性质，又对In与DNA的相互作用进行了初步研究，最后进一步研究了联吡啶In配合物与DNA作用的电化学行为。

Fancy gold-plated dangling earrings with facetted White Opal crystals.

花式镀金悬垂耳环与facetted白欧泊水晶。

This essay chooses the study aim from biology teachers in middle school in Shi Jiazhuang which tells us that most of the middle school biology teachers in Shi Jiazhuang have the"burnout", lower successfulness, individualize.

本文选取石家庄市初中生物教师作为研究对象，运用问卷调查的方法对石家庄市初中生物教师职业倦怠的现状进行调查，调查结果发现，石家庄市初中生物教师这一群体普遍存在职业倦怠，情感枯竭程度偏高，成就感偏低，去个性化程度最为严重。