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硝基水杨醛
相关语句
  nitrosalicylaldehyde
     The separation and purification method of 5 nitrosalicylaldehyde was studied. The key step was that 3 and 5 nitrosalicylaldehydes were both completely changed into their sodium salts through addition of appropriate amount of diluted sodium hydroxide solution.
     对 5 硝基水杨醛的分离提纯方法进行了改良研究 ,发现加入一定量的稀碱使 3 和 5 硝基水杨醛均完全转变成钠盐是实验成功的关键。
短句来源
     According to the solubility difference of 3 and 5 nitrosalicylaldehyde sodium salts in water,the sodium salt of 3 and 5 nitrosalicylaldehydes are firstly separated by extration with water. Then their sodium salt solutions were acidfied and recrystallized separately. 5 Nitrosalicylaldehyde was obtained in 58 0% yield and the purity was 99 4% as determined by HPLC.
     进而利用两种钠盐在水中溶解度的差异 ,采用水抽提方法 ,先将 3 和 5 硝基水杨醛的钠盐以溶液形式分离开 ,再分别经酸化及重结晶处理 ,即得产率为 5 8 0 %的 5 硝基水杨醛 ,纯度经HPLC测定为 99 4 % ,其结构经元素分析、红外、紫外、核磁等确证。
短句来源
     Its structure was identified by elementary analysis,IR,UV and 1HNMR. At the same time,3 nitrosalicylaldehyde was obtained in 35 0% yield.
     同时还得到产率为 35 0 %的 3 硝基水杨醛
短句来源
  “硝基水杨醛”译为未确定词的双语例句
     The highest yields of cyclohexene epoxidation catalyzed by the molybdenum (Ⅵ) complexes of 2-Hydroxymethyl-2-[(2-hydroxy-5-nitro-benzylidene)-amino]-propane-1, 3-diol [MoO_2(H_2L~4)(MeOH)] was up to 98.7%.
     三羟甲基氨基甲烷-5-硝基水杨醛席夫碱Mo(Ⅵ)配合物[MoO_2(H_2L~4)(MeOH)]催化环己烯的环氧化反应产率可高达98.7%。
短句来源
     SYNTHESIS, CHARACTERIZATION AND ANTIBACTERIAL ACTIVITIES OF Co (Ⅱ),Ni (Ⅱ), Cu (Ⅱ) , Zn (Ⅱ) COMPLEXES WITH 5-NITRO-SALICYLALDEHYDE-GLYCINE SCHIFF BASE
     Co(Ⅱ)、Ni(Ⅱ)、Cu(Ⅱ)和Zn(Ⅱ)的5—硝基水杨醛缩甘氨酸Schiff碱配合物的合成及表征
短句来源
     (?) Spiro compounds (2a) and (2b) were prepared by reaction of 2,3,3-trimethyl-N-(β-hydroxyethyl) indoiium iodide(1) with 3- or 5-nitrosalicylaldehyde inthe presence of piperidine.
     用乙醇作溶剂,在哌啶存在下,通过2,3,3-三甲基-N-(β-羟乙基)吲哚啉碘化物(1)与3-或5-硝基水杨醛反应,分别制得螺环异构体(2a)与(2b)。
短句来源
     Reviews on the Synthetic Methods of 5-Nitrosalicylaladhyde
     5-硝基水杨醛合成方法
短句来源
     Improvement on the Separation and Purification of 5-Nitrosalicylaldehyde
     5-硝基水杨醛分离纯化方法改良
短句来源
更多       
  相似匹配句对
     Reviews on the Synthetic Methods of 5-Nitrosalicylaladhyde
     5-硝基水杨醛合成方法
短句来源
     The Reform of 5-Nitrosaicylaldehyde Nitrifying Means
     5-硝基水杨醛硝化法的改进
短句来源
     ELECTROLYTIC SYNTHESS OF SALICYLALDEHYDE
     水杨醛的电合成法
短句来源
     Nitro-cellulose wood coatings
     硝基木器漆
短句来源
     Syn thesis of Salicylaldehyde
     水杨醛的简便合成
短句来源
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  nitrosalicylaldehyde
A new ligand, 5-nitrosalicylidene-p-aminoacetophenoneoxime (HL), was synthesized from p-aminoacetophenoneoxime and 5-nitrosalicylaldehyde under reflux in absolute EtOH at 60°C for 3 h.
      
Crystal structure of copper sulfate and thiocyanate complexes with 5-bromo-and 5-nitrosalicylaldehyde thiosemicarbazones
      
In structure III, the copper atom coordinates 5-nitrosalicylaldehyde thiosemicarbazone and the thiocyanate ion, which combines complexes into infinite polymer chains along the [010] direction.
      
The enzyme was visualized in the bright field microscope with the diazonium salt Fast Blue B as coupling reagent and in the fluorescence microscope with 5-nitrosalicylaldehyde.
      
The enzyme demonstration was performed on freeze-dried and celloidin mounted yolk-sac sections using different substituted β-naphthylamide derivatives as substrates and nitrosalicylaldehyde as coupling agent.
      
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(?)Spiro compounds (2a) and (2b) were prepared by reaction of 2,3,3-trimethyl-N-(β-hydroxyethyl) indoiium iodide(1) with 3- or 5-nitrosalicylaldehyde inthe presence of piperidine.To 2a and 2b addition of phenyl isocyanate gave mono-spiro isomers (3a),(3b) and addition of TDI gave bisspiro isomers(4a),(4b).2a,3a,4a,4b are photochromic compounds,while 2b and 3b are thermochromic com-pounds.

用乙醇作溶剂,在哌啶存在下,通过2,3,3-三甲基-N-(β-羟乙基)吲哚啉碘化物(1)与3-或5-硝基水杨醛反应,分别制得螺环异构体(2a)与(2b)。它们再进一步与异氰酸苯酯进行加成反应,合成一对单螺环异构体(3a)与(3b),将2a 与2b 分别和2,4-二异氰酸甲苯酯(TDI)反应,合成一对双螺环异构体(4a)与(4b)。2a,3a,4a,4b 是光致变色化合物;2b 与3b 是热致变色化合物。

The synthesis of 5'-nitro-indolinespirobenzopyrans was studied. The batter condition for synthesizing the intermediate, 3-methoxyl-5-nitro salicylaldehyde, from 3-methoxysalicylaldehyde was studied by its orthogonal experiment. Particularly, one of 5'-nitro-indolinespirobenzopyrans was synthesized successfully by nitrating the indoline spirobenzopyrans directly. All products were identified with elementary analysis IR.

研究了一种吲哚啉螺苯并吡喃类光致变色化合物的合成,优选了从3-甲氧基水杨酸制备中间体3-甲氧基-5-硝基水杨醛的条件.优化后的反应条件温和,易于控制,产率可提高到69.4%.本文尝试在醋酸介质中,用浓硝酸对叫唤批螺苯并吹响化合物直接硝化,以制取其5′-硝基取代物,此方法未见文献报道,反应温和,产品纯净,产率可达到77.8%.对合成过程中的各产物,均进行了元素分析和IR、1H-NMR等谱图鉴定.

The complex Cu(C 9H 6O 5N 2)·H 2O was prepared.Its structure was assigned on the basis of element anylysis,IR,moler conductauce.And its kinetics of thermal decomposition was studied under non isothermlcondition with TG.The possible equation of non isthermal kinetics at third step is suggested by the Achar method and the coats redfern method.

合成了5-硝基水杨醛缩甘氨酸Cu(Ⅱ)配合物,用元素分析、红外光谱、摩尔电导对该配合物进行了表征.并用热重(TG)对其热分解机理进行了研究,运用Achar法和Coats-Redfern法,推断出该配合物第三步热分解的非等温动力学方程

 
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