反应物

Goodcatalytic activities of the phosphine palladium complexes were observed incarbonylation of benzyl chloride with atmospheric CO. In some reactions the yieldof phenylacetic acid was 91% and the catalyst could be reused repeatedly in severaltimes.

这些钯配合物催化苄基氯的常压羰基化反应有较好的催化活性，有些反应中苯乙酸的产率可达91％，可重复使用，是一类环境友好的新型绿色催化剂。

The 7-bromo group was replaced with various aniline, and then treated with 4-methoxybenzenesulfonyl chloride to afford the 6-azaindole-1-sulfonamides.The synthesis of 7-aryl-6- azaindole-1- sulfonamide derivatives were prepared by a Suzuki reaction at 7-position, utilizing the 7-bromo-6-azaindole was treated with a variety of phenylboric acid to give the designed 7-aryl substituted 6-azaindoles.

将七号位碳上的溴基取代成各种苯胺类衍生物，再与4-甲氧基-磺基氯苯反应得到6-氮基吲哚-1-磺胺。7-苯基-6-氮基吲哚-1-磺胺类衍生物的合成是以7-溴基-6氮基吲哚-1-磺胺为起始物和各种苯硼酸经由铃木偶合反应在第七号位碳上，得到在第七号位碳上有苯基取代的6-氮基吲哚-1-磺胺。

Using one chiral ligand of each type respectively to investigate the infection of the structure and the amount of chiral ligands, the structure of reactant, the temprature and duration, solvent and reductive metal in pinacol coupling reactions.

三、系统考察了手性配体的结构和用量、底物结构、反应温度、时间、溶剂及还原金属对Pinacol偶联反应的化学产率、非对映选择性和对映选择性的影响。

The thesis is divided into two areas: The first area investigated using gold, silver complex to catalyze the cyclization of propargyl alcohol molecules to produced the cyclohexanone products in high yield at room temperature.

题目将分成两个部份：第一个部份主要研究金属金和金属银错合物催化丙炔醇类分子的环化反应，在室温下反应产生高产率之环己酮产物。

However, three isomers are obtained when [3(5)-〓-5(3)-MeS]pyrazole or[3(5)--5(3)-MeS]pyrazole reacts with 〓 in the same conditionpossibly owing to the influence of both the steric and electronic factors.

通过配体与〓的光化学反应，首次分离得到了不对称取代的双吡唑烷VIB金属配合物，但3位取代基的立体位阻减弱了双吡唑烷与〓的反应。

It was reported that benzylidenemalononitrile did not react with 1-benzyl-1,4-dihydronicotinamide. However, similar reaction easily takes place under the same condition when the phenyl group is replaced by the pyridyl group.

本课题组之前报道了苯亚甲基丙二腈在室温下不能被BNAH所还原，本论文将反应底物中的苯基换成吡啶基之后，在同样的实验条件下，反应可以比较顺利的进行。

It has been successfully applied in the fields of high-performance carbon fiber, needle coke used for ultrahigh power electrode, anode of rechargeable lithium-ion batteries, activated carbon with super-high surface area, catalyst supports and carbon foams、 In this paper, the effects of raw materials and pyrolysis conditions including heat-treatment temperature, pressure and time on the formation and development of carbonaceous mesophase were discussed in detail Since complex constitutes of raw material, various reactions and phases are involved in the process of mesophase evolution, we suggest that a given carbonaceous mesophase product should be manufactured by selecting raw materials and setting pyrocondensation conditions according to the specific requirement of the product, so that products with the best structure and performance could be obtained.

它在高性能炭纤维、超高功率电极用针状焦、锉离子二次电池负极、超高比表面积活性炭及催化剂载体、泡沫炭等领域得到了较好的应用。综述了原料和热缩聚条件对炭质中间相形成和发展的影响，这些影响因素包括原料的种类、热缩聚温度、反应压力和保温时间等。通过讨论指出，由于炭质中间相涉及的原料种类多样，热缩聚制备过程中涉及的反应、物相复杂，因此，在制备特定性能的产品时，应针对产品的特定性能要求来选择原料、设定热缩聚条件，以制得具有最佳结构和性能的产品。

Hydrothermal reactions makes water a Bronsted base-acid and act as an effective catalyst and the metal ions represent Lewis base character. The conversion process occurs in a very complex network of parallel, consecutive and equilibrium reactions, and the last step being the catalyzed Cannizzaro-type reaction of pyruvaldehyde to lactic acid.

nsted酸碱并具有一定的催化作用，金属离子在水热催化降解丙酮醛生成乳酸中表现出Lewis碱的特性，能与丙酮醛生成金属复合物，最终生成乳酸，此反应过程符合Cannizzaro反应特性。

Quinonyl compounds were reducted to phenolic compounds in high yields promoted by aluminum triiodide ,and after the reaction with dienophiles in Diels Alder reactions concave adductions were combined.

在现场制备的三碘化铝促进下，醌类化合物发生还原反应以良好产率生成酚类物，并且在原位与亲双烯体发生Diels Alder反应从而生成凹状加合

In addition, the pH value of the reaction media remarkedly influenced the catalytic activity of hydrogenation.

另外，对次膦酸形成的硝基物来说，反应介质的pH值对催化加氢反应有明显影响。

Singer Leona Lewis and former Led Zeppelin guitarist Jimmy Page emerged as the bus transformed into a grass-covered carnival float, and the pair combined for a rendition of "Whole Lotta Love".

歌手leona刘易斯和前率领的飞艇的吉他手吉米页出现巴士转化为基层所涵盖的嘉年华花车，和一双合并为一移交&整个lotta爱&。

This is Kate, and that's Erin.

这是凯特，那个是爱朗。