吡啶

The title compound was colorless crystal synthesized via the reaction of 4, 4'-bipyridine and HgI2 in the mixtured solution of methanol and tetrahydrofuran.

标题化合物是双齿配体4，4'-联吡啶与碘化汞在甲醇和四氢吨位呋喃混合溶液中反应得到的无色晶体。

The result of temperature dependence magnetic susceptibilities measurements indicates that weak ferromagnetic coupling interaction exists between Cu ions, which are connected by 4,4'-bipyridine.

变温磁化率测定结果表明，在配合物中，通过4，4'-联吡啶联接的Cu离子之间存在弱铁磁偶合作用。

A series of fluorene and 2,2'-bipyridine or 1,10-phenanthroline alternate and random copolymers(P1 or P2) have been designed and synthsized, and their interaction with transition metal ions were investigated.The some accomplishments were achieved as follows:(1) It is found that the absorption red shift and fluorescence quench strongly in the presence of transition metal ions.

设计合成了一系列芴与联吡啶、菲洛啉的交替和无规共轭聚合物（P1、P2），通过研究它们与不同过渡金属离子相互作用，获得如下主要成果：（1）由于过渡金属离子的作用，吸收光谱发生不同程度的红移，以及强烈的荧光猝灭现象。

Chloro-phenol, as a solvent, was used first time and a new process of solution copolymerization was introduced in the copolymerization of ST with CO catalyzed by Pd〓/2, 2′-bipyridine.

首次以邻氯苯酚为溶剂，开发Pd/2，2′-联吡啶等组成的催化剂催化一氧化碳和苯乙烯的溶液共聚反应的方法。

Two isologous red crystals of the title compound, prepared in two methods from the reaction of Cut and 4,4'-bipyridine (4,4'-bipy) in solution, were structurally characterized with monoclinic C2/c (1) and tetragonal I4(subscript 1)/acd (2) space groups.

碘化亚铜和4，4'-二联吡啶在溶液中反应的二种方法可制备出标题化合物的2个不同红色晶体，结构表征出两种晶体分别是单斜C2/c(1)和四方I4(下标 1)/acd(2)空间群。

The intermetallic distance is 7.920(2)〓 which is nearly 2 〓 longerthan that of a analogue formed with olgobipyridine containing two bipyridine linked by〓 at 6,6'- positions.

新配体〓和〓按下列路线合成：〓为首例5，6-位连接的不对称位置取代的寡聚二联吡啶配体，〓的合成也是首次报道。

In all of ruthenium complex being used as CL reagent, tris-(2,2'-bipyridine) ruthenium Ru(bipy32+ is the most widely used and the analytical application of this reagent is mainly based on its electrogenerated chemiluminescence reactions.

三(2，2'-联吡啶)钌[Ru_3~(2+)]是目前最为常用的一个钌配合物类化学发光试剂，它的分析应用主要是通过电致化学发光方法实现的。

The hydrogen-bonded dimer and trimer formed between 1,3,5-benzenetricarboxylic acid and bipyridine have been investigated using a density functional theory method and 6-31＋＋G** basis set.

使用密度泛函理论B3LYP方法和6-31++G**基函数对1，3，5-苯三甲酸与联吡啶形成的氢键二聚体和三聚体进行了理论计算研究。

Two compounds, [Cu4SO4]n (1) and [Cu(H2O)2SO4]n (2)(im = imidazole, bpy = 2,2'-bipyridine), were synthesized under solvothermal condition in 67% and 82% yields, respectively.

溶剂热体系下采用咪唑、2，2'-联吡啶为配体与硫酸铜合成了2种蓝矾衍生物：[Cu4SO4]n (1)和[Cu(H2O)2SO4]n (2)，产率分别为67%和82%。

Two isologous red crystals of the title compound, prepared in two methods from the reaction of CuI and 4,4′-bipyridine (4,4′-bipy) in solution, were structurally characterized with monoclinic C2/c (1) and tetragonal I41/acd (2) space groups.

碘化亚铜和4，4′-二联吡啶在溶液中反应的二种方法可制备出标题化合物的2个不同红色晶体，结构表征出两种晶体分别是单斜C2/c(1)和四方I41/acd(2)空间群。

Neither the killing of Mr Zarqawi nor any breakthrough on the political front will stop the insurgency and the fratricidal murders in their tracks.

在对危险的南部地区访问时，他斥责什叶派民兵领导人对中央集权的挑衅行为。

In fact,I've got him on the satellite mobile right now.

实际上 我们已接通卫星可视电话了