卡宾

Based on this model, the structures, dipole moments and the nuclear magnetic resonance parameters were calculated for a series of functionalized nanotubes, including nitrene and carbene modification, as well as 1,2- and 1,4-fluorination.

本文采用C80H20模型来表示(10，0)碳纳米管，基于此模型计算了一系列氮烯、卡宾和氟化的单壁纳米管的结构、偶极矩，以及核磁共振参数。

Lactam was gained by the Staudinger reaction of imine and olefineketone in the presence of N-heterocyclic carbene catalyst.

以N-杂环卡宾催化剂1催化亚胺与烯酮之间的Staudinger反应，得到相应的β-内酰胺。

Because of special stereostructure and property, N-heterocyclic carbene complexes have been diffusely applied in organic chemistry and organic sythesis during the past few years.

N-杂环卡宾化合物具有特殊的结构和性质，近年来在有机化学及有机合成反应中得到了广泛的应用，并已经成功地运用在有机催化反应中。

The experimental results indicated that the two N-heterocyclic carbene palladium complexes with coordination of pyridine could catalyze the coupling of bromobenze and gave yield of 80%.

结果表明，这两个含吡啶配位的N-杂环卡宾钯络合物，对溴苯与丙二腈的交叉偶联，产率可达80％。

It can be seen from the above initial results, the two N-heterocyclic carbene palladium complexes should participate in the catalytic reaction or at least did partly.

初步结果可以得出，这两种N-杂环卡宾钯络合物参与或部分参与了卤代芳烃的催化偶联过程，对产物的顺利生成有某种程度的贡献。

Studies on olefin-coordinating transition metal carbene complexes II.

含烯烃配体的过渡金属卡宾配合物的研究II。

In recent years, with the development of various good catalysts especially the ruthenium alkylidenes bearing N-heterocyclic carbene ligands, the RCM reaction has been applied widely in the synthesis of complex organic molecules, biological molecules and natural products etc. The Nobel Prize in Chemistry 2005 goes to Yves Chauvin, Robert H.

近二，三十年来，随着各种性能优良的催化剂的不断发展，尤其是含氮杂环卡宾配体的钌催化剂的出现，关环复分解反应在合成复杂有机分子，生物活性大分子以及天然产物等方面已得到了极为广泛的应用。2005 年的诺贝尔化学奖分别授予了 Yves Chauvin，Robert H。

Studies on olefin-coordineting transition metal carbene complexes XVI.

含烯烃配体的过渡金属卡宾配合物的研究 XVI。

The empty p orbital and the occupied σorbital by a lone electron pair of carbene point towards H atom and C atom of the C—H bond respectively.

卡宾空的p轨道和占有一对孤电子的σ轨道分别指向C—H键的H原子和C原子。

Moreover, we found that N-heterocyclic carbene could served as an efficient and novel catalyst for the reactions of aziridines with silylated nucleophiles or acid anhydrides.

随后，我们发现氮杂环卡宾也可以作为一种有机小分子催化剂，分别催化各类硅试剂或酸酐对氮杂环丙烷化合物的开环。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。