芳香化合物

Over the past four decades, many dearomatization reactions have developed and applied for synthesis of alicyclic compounds con-taining six–membered carboncyclic moieties.

芳香族化合物稳定、易得，通过芳香族化合物的脱芳构化反应，制备官能化的脂肪六元碳环化合物，早以引起人们的广泛兴趣。

The present invention relates to the depolymering cyclization reaction of aromatic dithio ether polymer to prepare aromatic cyclic dithio ether compound under the presence of mercapto group containing compound and alkali matter.

本发明涉及利用芳香双硫醚聚合物的解聚成环反应来制备芳香双硫醚环状化合物的方法。该方法采用芳香双硫醚聚合物在含巯基的化合物和碱性物质存在的条件下发生解聚成环反应生成双硫醚环状化合物。

Utilizing 6 and several kinds of diazides prepared in our lab, polys containing 1,2,3-triazolyl and perfluorocyclobutane units were synthesized by "Click chemistry". Utilizing the polycondensation reaction between 6 and several commercially available aromatic diphenol or copolymerization reaction after adding another active aromatic dichloride, fluorinated polys containing phenylphosphine oxide units were synthesized. Utilizing the polycondensation reaction between 6 and several commercially available aromatic dianhydride, fluorinated polys containing PPO units were synthesized.Secondly, structure characterization of fluorinated polys.

利用化合物6同各种自制的二叠氮化合物，通过&Click chemistry&，合成了具有1，2，3-三唑环结构单元的全氟环丁基类聚芳醚；利用化合物22同各种商业化的芳香二元酚类化合物进行缩聚反应或者再加入另外一种活性芳香二氯代物进行三元共聚反应，制备了具有苯基氧膦结构单元的含氟聚芳醚；通过化合物25同各种商业化的芳香二元酸酐类化合物进行缩聚反应，得到了具有PPO结构单元的含氟聚醚酰亚胺。

State Huckel's rule for deternining whether a molecule is aromatic or antiaromatic or nonaromatic and List aromatic,antiaromatic,and nonaromatic compounds.

答： 根据休克尔规则判断下列化合物是否具有芳香性。并列出下列化合物哪些是芳香性物质，非芳香性物质，反芳香性物质

Additionally, 75 volatile chemical constituents have been identified from the petroleum ether extracted part by capillary GC-MS, and the relative percentages of them are determined by GC method. The result showed that the volatile constituents of Musella lasiocarpa mainly includes advanced alkane, aliphatic acid and ester, aldehyde, ketone, aromatic and its heterocyclic compounds. With the compounds that have been isolated and identified from Musella lasiocarpa, the biogenensis pathway of new compound MT-3 is approached. Furthermore, the bacteriostasis of the 6 compounds to Escherichia coil, Pseudomonas aerusinosa, Bacillus megaterium, Sarcina lutea and Bacillus subtilic are determined by flat dilution method.

此外，从其石油醚萃取部分用毛细管色谱法分析鉴定出75种挥发性化学成分，并测定了各组分的相对百分含量，结果表明，地涌金莲挥发性化学成分以高级烷烃、高级脂肪酸酯及醛、酮、芳香和芳香杂环化合物为主；根据从地涌金莲中鉴出和分离得到的化合物，探讨了新结构化合物MT-3的生源代谢途径；采用平板稀释法测定了地涌金莲中六种化学成分对大肠杆菌、绿脓杆菌、巨大芽孢杆菌、藤黄八叠球菌和枯草芽孢杆菌的抑菌作用。

The liquid oil obtained from cellulose was mainly composed of phenols, benzenes, furans and cyclopentanones. Abundant phenol derivatives were obtained from high lignin content biomass, for example walnut shell (75.88%).

生物质中大量的氧以CO和CO2的形式脱除，所以得到的液体燃油具有较高热值、低含氧量、高H/C比；初步筛选了可选控的催化重组催化剂，以控制产物中的芳香化合物和直链烷烃的分布。

There is a wealth of organic acids, terpenoid substances, vitamins, enzymes, polysaccharides, such as biological and pharmacological activity of natural ingredients.

澳洲蜂胶富含有20大类、380多种天然成分，包括30多种人体必需的微量元素、20多种氨基酸、数10种芳香化合物、30多种黄酮类物质，还有丰富的有机酸、萜烯类物质、维生素、酶类、多糖等具有生物学和药理学活性的天然成分。

Early in 1990s abroad, there had been reported on substitutes of chlorinated hydrocarbon solvent type paint remover, selection of nonvolatile ester and aromatic compounds was a hot spot of the researches. Meanwhile, the development of paint remover of emulsifier system had also witnessed a great progress.

国外早在上世纪九十年代就己经有氯化烃溶剂型脱漆剂的替代品报道，选用非挥发性的酯及芳香化合物是其中的一个研究热点；同时，乳化体系的脱漆剂开发也有了很大的发展。

Thus the process for the electroplating of aluminum on NdFeB permanent magnetic material in the molten salt electrolyte at room temperature was investigated.

探讨了NdFeB永磁材料在室温熔盐中电镀铝的可行性、熔盐配比和芳香化合物对电镀铝层组织形态的影响，同时对镀层形成的机理进行了初步探讨。

By studying the effects of mole rate of AlCl3-MEIC and fragrant chemical compound and dewater agent, electroplating aluminium bath of AlCl3-MEIC room temperature melt salt was prepared, and silvery white metallic luster , pre-pressing smooth aluminium layer is electroplated on NdFeB magnet from this solution.

4研究了AlCl_3和MEIC的摩尔比、芳香化合物及除水剂对室温熔盐电镀的影响，制备了AlCl_3-MEIC室温熔盐电沉积铝溶液，并从该溶液中电镀出了具有银白色金属光泽、致密光滑的铝镀层。

With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务，乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐，因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。