合成路线

• A process approaching 3 - and 4 - chlorophthalic anhydride in high purity via chloriation of o - xylene , oxidation of monochloro - o - xylene by air in gas phase , and separation of 3 - and 4 - chlorophthalic anhydride afterwards by distillation is described
  摘要介绍由邻二甲苯氯代，再经空气氧化及异构体分离合成氯代苯酐中试规模的合成路线。
• Two series of intermediates ? - hydroxybiphenyi - 4 ' - carboxylic acid , l ( - ) - 2 - octanol and a kind of chiral additive of liquid crystal were synthesized . to improve the synthesized route and way of the intermediates , i have referred a lot of papers
  在查阅大量文献的基础上，对合成上述3个系列化合物的合成路线与方法进行了一系列的改进，改进后的实验达到较理想的结果。
• The recent progresses of the marine mollusc from the isolation , purification , structure characterization to synthesis of portion lamellarins and analogous alkaloids have been reviewed together with a brief introduction of their biological activity
  摘要综述了海洋软体动物活性物质片螺素及其类生物碱的提取、分离、结构确定以及合成路线的研究进展，并简要介绍了该类物质的生物活性。
• The authors , from the atomic frugality , reactional condition , activity of catalyst , length of composite route , environmental safety of products and energy conservation efficacy , make a brief review of the connotation of the concept of green in 2005 nobel prize for chemistry
  摘要从绿色化学的原子经济性、反应条件、催化剂的催化活性、合成路线的长短、产物的环境安全性及节能效益角度对2005年诺贝尔化学奖的绿色化学意涵作简要的评述。
• By examining the new generation condutive polymer material 3 ， 4 ? polyethylene dioxythiophene ( pedt ) , this paper investigated the edt monomer synthetic path and the optimum filming conditions of the compound pedt . based on this research , i also discussed the manufacturing processes and the related principles of the solid tantalum capacitors , when replacing the conventional inorganic material mno2 with the pedt as the negative pole
  本文以新一代导电聚合物材料3 ， 4 ?聚乙烯二氧噻吩（ pedt ）为研究对象，研究了edt单体合成路线及聚合物pedt的最佳成膜条件，并以此为基础，讨论了以导电聚合物有机材料pedt取代传统的无机材料mno2作阴极的固体钽电解电容器的制备工艺及相关机理。
• ( 1 ) two edt monomer synthetic paths have been investigated . ( 2 ) using the method of depositing the pedt film on the glass base , the affect of processing and environmental conditions - - such as the polymerizing temperature , the state of the polymer material , the polymerization correctives , the drying temperature , and the amount of the solution etc . - - to the pedt material ' s electroconductivity has also been examined in this paper
  主要研究内容包括： （ 1 ） edt单体合成路线的两种方案，以及具体的制备过程； （ 2 ）在玻璃基片上淀积pedt膜层，研究了聚合温度、聚合物状态、聚合改良剂、烘干温度、溶剂含量等工艺及环境条件对pedt材料电导率和成膜速度的影响。
• The transition metal vanadates with special morphology were synthesized by the hydrothermal technique at low temperature , and characterized by sem , xrd , ir and eds technique . the regulations and affecting factors for the synthesis of the transition metal vanadates with special morphology were obtained and the route of low temperature synthesis was developed . most attentions were payed to the synthesis of transition metal vanadates
  本论文采用水热方法进行具有特殊形貌的钒酸盐晶体的合成研究工作，初步探索具有特殊形貌过渡金属的钒酸盐晶体的合成规律，找出合成过程中的影响因素，开发过渡金属钒酸盐的低温合成路线，合成具有特殊形貌的钒酸盐的单晶，有利于发现新材料。
• The protected amino acids were z - ser ( bzl ) , boc - asp ( obzl ) and glu ( obzl ) 2 . the quality of the synthesized tripeptide : ser - asp - glu ( sde ) by thin layer chromatography , amino acid analysis and liquid chromatography - mass spectrometry is pure . the paam beads with different length arms were obtained by coupling the various length linear spacer , such as ethylene diamine , glutaraldehyde , 1 , 6 - diaminohexane and amino caproic acid to paam beads
  按照从梭基端到氨基端的合成路线，用风n ’二环己基碳二亚胺（ dcc ） l羟基苯骄三氮哩（ hobt ）液相合成法逐步接肽，制备得到对应的带保护基的中间体，用催化氢化还原脱去所有的保护基。
• Systemic research including the influence of the crown ether ring ' s symmetry , the size and the conformation on the liquid - crystalline behavior have been done in this paper . the synthesis way and method were improved . from the experimental results , it was found that : 1 , compounds 2 , 4 , 16 , 17 and 18 have liquid crystal properties
  优化和改进了合成路线及方法，对席夫碱型液晶冠醚，因取代基的大小、冠醚环的大小和冠醚环的对称性以及不同结构的顺反构型对液晶性能的影响等诸方面进行了较系统的研究，取得了一系列具有规律性的结果。