- 更多网络例句与叠氮化合物相关的网络例句 [注：此内容来源于网络，仅供参考]
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The mechanisms of the ruthenium-catalyzed reaction of organic azide with terminal alkyne have been investigated using density functional theory.
采用密度泛函理论，对在Ru催化剂存在下，有机叠氮化合物和末端炔的反应机理作了深入理论研究。
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According to the literatures and our experiments, appropriate conditions for the reaction of C60 with alkyl azide and the separation of adducts were obtained. The relationship between the structure and the chromatographic polarity of the products was also summarized.
根据文献报道和实验总结出了富勒烯与烷基叠氮化合物的反应条件和产物的分离条件，并对化合物结构与色谱极性的关系作了归纳总结。
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Unfortunately, owing to the highly endothermic heats of formation, their syntheses and isolation, and structural characterization present great challenges.
在广泛的文献调研和充分的实验准备基础上，采用我们实验室多年来探索的真空异相表面反应手段，合成和表征了一系列重要的无机共价叠氮化合物。
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From optical BINOL, the chiral phosphoryl azide compound was prepared. Its application as chiral auxiliaries in the stereoselective ring-opening of meso-epoxides was examined. No obvious asymmetric induction, however, was observed.
从光学活性的联二萘酚出发合成得到了手性磷叠氮化合物，并将其应用于环氧化合物的不对称开环反应中，考察了它作为手性辅助剂在该反应中的不对称诱导效果。
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The traceless Staudinger ligation of azides and phosphines is an effective method to produce an amide bond.
叠氮化合物和膦硫酯的无痕施陶丁格连接反应是一种有效生成酰胺键的方法。
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In chapter four, the preperation of ytterbium diiodide was examined. The reductive cleavage of Se-Se bond and S-S bond induced by ytterbium diiodide was investigated. The reaction of diselenides and disulfides with allylic bromide promoted by ytterbium diiodide was also examined. The intermolecular Barbier-type reaction induced by ytterbium diiodide was studied. In the last section of this chapter, the intermolecular reductive coupling of nitriles with azides induced by samarium diiodide was investigated.
第四章，研究了二碘化镱的制备方法，以及二碘化镱作为一种优良的单电子转移试剂在有机合成中的应用：二硒醚的Se--Se键和二硫醚S-S键的还原断裂，及其在合成烯丙基硒醚，硒代酯和烯丙基硫醚，硫代酯中的应用，实验结果表明二碘化镱也能促进分子间的Barbier反应，而文献认为二碘化镱不能促进分子间的Barbier反应；最后研究了二碘化钐促进的叠氮化合物与腈的交叉还原偶联反应，一步高收率地制备脒的方法。
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Influence of properties of substituents on different reaction steps of various tetrazole derivatives has been approached as well.
研究了取代基性质对不同异构体和不同热解步骤的影响，发现四唑衍生物与相应的叠氮化合物之间存在平衡，吸电子取代基有利于平衡向生成叠氮化合物方向移动，取代基通过场效应和共轭效应影响5-取代-1H四唑的开环反应。
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Under these conditions several aryl iodides bearing a wide range of functional groups were converted into the corresponding aryl azides in good yields.
在重新优化后的条件下，大部分不活泼芳基溴化物可以与叠氮化钠发生交叉偶联反应得到良好收率的芳基叠氮化合物，但是有拉电子基团取代的芳基溴化物与叠氮化钠的偶联反应则难以进行。
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Furthermore, during the above synthetic studies, we also found sodium amalgam was a useful agent for reducing azide to amine, which was applicable for various alkyl and aryl azides bearing different functional groups.
另外，我们还对实验中意外发现的钠汞齐还原叠氮的反应进行了研究，考察了考察了带有不同官能团的叠氮化合物在此体系下的还原反应，取得了较好的结果，发展了一种新的还原叠氮的方法。
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The calculated results show that azido in azides has linear structure , the most optimized CaN6 has linear structure , and the most optimized (CaN6)n (n=2～5) clusters have chain structure of perpendicularity of approximate diamond composed by two azido with two Ca atoms . The middle N atoms of azido show positive, the N atoms at both ends of azido show negative, and the N atoms effected with Ca atoms directly show more negative . There is strong ionic bond between the Ca and N atoms. The IR spectra of the most optimized (CaN6)n (n=1～5) clusters have four vibrational sections , the whole strongest vibrational peak lies in 2195～2280cm-1,and the vibrational mode is anti-symmetric stretching vibration of N-N bonds in azido . Stability analysis show that (CaN6)3 and (CaN6)5 clusters are more stable than other clusters .
结果表明，叠氮化合物中叠氮基以直线型存在，CaN6团簇的最稳定结构为线型结构，(CaN6)n(n=2～5)团簇首先由两个叠氮基与两个Ca原子构成一个近似菱形，再由菱形相互垂直形成链状最稳定结构；叠氮基中间的N原子显示正电性，两端的N原子显示负电性，且与Ca直接作用的N原子负电性更强，金属Ca原子和N原子之间形成很强的离子键；(CaN6)n(n=1～5)团簇最稳定结构的IR光谱分为4个部分，其最强振动峰均位于2195～2280cm-1，振动模式为叠氮基中N-N键的反对称伸缩振动；稳定性分析显示，(CaN6)3和(CaN6)5团簇相对于其他团簇较为稳定。
- 更多网络解释与叠氮化合物相关的网络解释 [注：此内容来源于网络，仅供参考]
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azide; azimino compound：叠氮化合物
"azeotropy","共沸[现象]" | "azide; azimino compound","叠氮化合物" | "azimethane; azimethylene; diazomethane","重氮甲烷"