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噻吩     
相关语句
  thiophene
     Kinetics of Thiophene Hydrodesulfurization on Mo-Ni-Co/Al_2O_3 Catalyst
     噻吩在Mo-Ni-Co/Al_2O_3催化剂上的加氢脱硫动力学
短句来源
     Density Function Theory Study on Thiophene Polymers(C_4H_4S)_n(n=1~8)
     噻吩加聚物(C_4H_4S)_n(n=1~8)的密度泛函理论研究
短句来源
     Influence of reaction condition on thiophene hydrodesulfurization over Ni-Mo/TiO_2-Al_2O_3 catalyst
     反应条件对Ni-Mo/TiO_2-Al_2O_3催化剂上噻吩加氢脱硫的影响
短句来源
     Study on catalytic activity of Ni_2P/HZSM-5 in thiophene hydrodesulfurization
     Ni_2P/HZSM-5上噻吩加氢脱硫性能研究
短句来源
     Reaction kinetics of thiophene catalytic hydrodesulfurization over Co-Mo/Al_2O_3 catalyst
     Co-Mo/Al_2O_3催化剂上噻吩催化加氢脱硫的动力学研究
短句来源
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  thienyl
     HeI spectra of some thienyl polyenic thienyl ketches 1, n_1=0, n_2=0; 2, n_2=1, n_2=0; 3, n_1=2, n_2=0;
     本文提供了噻吩多烯基噻吩酮系列化合物[1,n_1=0,n_2=0;n_1=1,n_2=0;n_1=2,n_2=0;n_1=1,n_2=1]的气相HeI光电子能谱(UPS),并进行了每个研究分子的MNDO量子化学计算。
短句来源
     Seven new Schiff bases have been synthesized by reaction of 4,4,4 trifluoro 1 (2 thienyl) 1,3 butane dione with thiosemicarbazide, thiocarbohydrazide, benzoic hydrazide, o hydroxyaniline, nicotinic hydrazide, p fluoro m chloroaniline, salicylic hydrazide, respectively, and characterized by elemental analysis, IR, 1H NMR and MS.
     通过 4,4,4 三氟 1 ( 2 噻吩基 ) 1 ,3 丁二酮与一系列氨基化合物缩合合成了一类新型含噻吩环的西夫碱。 其组成与结构经元素分析 ,IR ,1HNMR和MS进行了表征。
短句来源
     The preparation of 2(2thienyl)ethylamine by two step reduction method has been put forward ,Vilsmeier reaction of thiophene with N,Ndimethyl formamide in presence of phosphorus osychloride gave 2formylthiophene,the yield is 89.9%,the purity is 99.9%.
     提出了两步还原 2硝基噻吩制备 2噻吩乙胺的方法 ,由噻吩与 DMF在三氯氧磷存在下作用得到 2噻吩甲醛 ,产率 89.9% ,纯度为 99.9% .
短句来源
     The 2 (2 Thienyl)ethylamine was prepared from Vilsmeier's reaction, Darzens' reaction and Leuckart's reaction by using thiophene as raw material. The total yield was 52.4 %.
     以噻吩为起始原料 ,经过 Vilsm eier反应、Darzens反应和 L euckart反应得到 2 -噻吩乙胺 ,总收率为5 2 .4%。
短句来源
     Thiophene,as the starting material,was reacted with formaldehyde and hydrogen chloride to give 2 chloromethylthiophene. The object compound,2 (2 thienyl)ethylamine,was synthesized from 2 chloromethylthiophene via substitution,then reducted by LiAlH 4.The reaction of the three steps were carried out under moderate conditions to afford an overall yield of 70%. The method was more suitable for industrial process.
     以噻吩为原料 ,与甲醛和氯化氢反应制得 2 氯甲基噻吩 ,再经取代和LiAlH4还原得到目标产物 2 (2 噻吩 )乙胺 ,该法合成步骤少 ,反应条件温和 ,总收率可达 70 % ,适合于工业化生产
短句来源
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  thiophen
     DFT study on electronic structures of thiophen derivatives
     噻吩衍生物电子结构的DFT研究
短句来源
     Thiophen hydrodesulfurization(HDS) over β-Mo_2N_(0.78) was carried out at atmosphere pressure.
     以噻吩为模型化合物的常压加氢脱硫反应表明,β Mo2N0 78具有较强的加氢脱硫活性和强的抗硫化性能。
短句来源
     Geometric structures of α-substituted thiophen derivatives were optimized with B3LYP method at 6-31G~* level. Their frontier molecular orbital energy levels and electronic spectra were obtained with TD-DFT method.
     采用B3LYP方法在631G*水平上优化了12种α位取代噻吩衍生物的几何构型,采用TDDFT方法计算了它们的前线轨道能级和电子光谱.
短句来源
     The experiment of model gasoline containing 3-methylethiopen or thiophen showed that desulfurization yield was improved with higher temperature, longer reaction time , more oxidazor and catalyst and use of ultrasound .
     含3-甲基噻吩噻吩模拟汽油的脱硫试验结果表明,随着氧化温度提高、反应时间延长、氧化剂或催化剂用量增加、施加超声作用,模拟汽油脱硫率有所提高。
短句来源
     Desorption of thiophene,benzene and n-octane on NaY or CeY zeolites was studied using an Intelligent Gravimetric Analyzer(IGA). The tests determined the temperature programmed desorption graphes of thiophene,benzene and n-octane on NaY or CeY zeolites at a 15K/min heating rate. Thiophen.
     采用智能质量分析仪(IGA),利用程序升温脱附法(TPD)研究了噻吩、苯和正辛烷在NaY和CeY分子筛上的热脱附行为,测定了升温速率为15 K/min时3种吸附质在NaY和CeY上的热重(TG)和微分热重(DTG)曲线。
短句来源
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  thiophene derivative
     Study on Molecular Assembly and Photoelectric Function of Thiophene Derivative
     以噻吩衍生物为底物的分子组装和光电功能研究
短句来源
     The results show that 2 morpholino 3 phenylquinoxaline (3), 5 morpholino 6 phenyl 1,2,4 triazin 3 one (4), thiophene derivative (5) and 2,2,4,5 tetrasubstituted 1,3 dithioles (6) were prepared.
     结果表明它们分别生成了 2 吗啉基 3 苯基喹喔啉、5 吗啉基 6 苯基 1 ,2 ,4 三嗪 3 酮、噻吩衍生物和 2 ,2 ,4,5 四取代 1 ,3 二硫杂环戊烯 4的衍生物等杂环化合物 .
短句来源
     SYNTHESIS AND STUDY OF THIOPHENE DERIVATIVE COPOLYMER
     噻吩衍生物电化学共聚与性能研究
短句来源

 

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  thiophene
It was found using Fourier transform IR spectroscopy that thiophene rings were the main structural units of the polymer; aliphatic fragments and oxygen-containing groups were also present.
      
Thiophene adsorption on γ-Al2O3, hydrated titanium dioxide, and Mo-containing catalysts on these supports is studied by IR spectroscopy.
      
The form of adsorbed thiophene and the composition of surface species on the catalysts depend on the nature of support.
      
The coking ability of some hydrocarbons (benzene, n-heptane, styrene, methylnaphthalene, durene, and phenanthrene) and heterocyclic compounds (thiophene and indole) under the conditions of hydrotreatment of feed is estimated for an Al-Co-Mo catalyst.
      
The influence of the capillary condensation of reactants on the poisoning of Pt/SiO2 catalysts by thiophene is studied experimentally for p-xylene hydrogenation at T = 60 and 80°C.
      
更多          
  thienyl
Some new benzenesulfonamides, disubstituted sulfonylureas, and sulfonylthioureas substituted basically with 3-(2-thienyl or 3-pyridyl)-indeno[1,2-c]pyrazol(in)e counterpart were synthesized to be evaluated for their in vitro antitumor activity.
      
In general, compounds containing the thienyl moiety displayed better antitumor spectra than those containing the pyridyl moiety.
      
3-Hydroxy-2-(2"-Thienyl)-4H-Chromon-4-one as a Spectrophotometric Reagent for the Trace Determination of Zirconium in an Aqueous
      
Crystal structure of N-Furfuryl-1-(2-Thienyl)but-3-en-1-ammonium chloride
      
The crystal structure of (H2L)+Cl-(HL is N-furfuryl- 1-(2-thienyl)but-3-en-1-amine) was studied by X-ray diffraction analysis.
      
更多          
  thiophen
2-N-(4-Aminobenzo-15-crown-5)methylene-2,3-dihydrobenzo[b]thiophen-3-one and its acetyl derivative were synthesized.
      
The acylation of ortho-substituted (R = OH, OMe, NHTs) 2-arylaminomethylene-2,3-dihydro- benzo[b]thiophen-3-ones with (4-methyl-2-oxobenzo[b]pyran-7-yloxy)acetyl chloride results in formation of the corresponding N-acyl enaminoketones.
      
The same reaction with 2-(2-hydroxyphenylaminomethylene)-2,3- dihydrobenzo[b]thiophen-3-one gives rise to a tautomeric mixture of acyloxyphenyl and N-acyl enaminoketone isomers.
      
2-[N-Acetyl-N-(2-fluorenonyl)aminomethylene]benzo[b]- thiophen-3(2H)-one, a Molecular Fluorescent Switch
      
Thin-layer chromatographic studies of anils derived from 2-thiophen glyoxal.
      
更多          
  thiophene derivative
The transformation of the 2-amino-5-phenylazo-thiophene derivative9 by potassium hydroxide yields the substituted 3-mercapto-pyridazin-6(1H)one10, with sodium ethoxide the 5-phenylhydrazono-2-oxo-thiolen-3-carbonitrile11 is formed.
      
In the course of an attempted elimination reaction starting from an isothiochromane derivative substituted with an amino-alcohol moiety, a benzo[c]thiophene derivative formed via a rearrangement reaction was isolated unexpectedly.
      
Alpha-terthienyl, a phototoxic thiophene derivative from species in the Asteraceae reduced feeding and growth of the phytophagous lepidopteran,Euxoa messoria, when incorporated into artificial diets at a concentration of 100 ppm.
      
For a thiophene derivative the latter direction of the reaction is observed to a substantially smaller degree.
      
Vibrational spectra and structure of thiophene derivative sulfones
      
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