杂环

zá huán
  • heterocycle;heterocyclic ring
杂环杂环
杂环 [zá huán]
  • [heterocycle] 一个杂环的环系统或一个杂环的化合物

杂环[zá huán]
  1. 其中,同时含有N和O的五元杂环的恶唑啉配体是比较优秀的一类含氮手性配体。

    Oxazoline , a five-membered heterocyclic ring containing both N and O coordinated atoms , is an excellent class among nitrogen-containing chiral ligands .

  2. 含氮六元杂环类化合物合成研究

    Study on the Synthesis of Nitric Heterocyclic Ring Compound and Its Derivatives

  3. 具有C2-对称性的氮杂环类手性配体的合成及表征

    Syntheses and Characterization of C_2-Symmetric Chiral Aza-Cyclic Ligands

  4. 碘杂环类化合物的~(13)cNMR谱研究

    The ~ ( 13 ) c NMR studies on heterocyclic compounds containing iodine

  5. 具有E杂环的甾体结构的桦木酸结构类似物的设计、合成及生物活性研究

    Design , Synthesis and Bioactivity Research of Steroidal Betulinic Acid Analogues with E Hetero-rings

  6. 本文对N杂环卡宾及其金属络合物的性质和合成方法进行了综述。参考文献30篇。

    In the paper the properties and syntheses of N-heterocyclic carbenes and their metal complexes are reviewed .

  7. 含杂环卡宾碳的铁羰基簇合物的结构化学研究Ⅱ.&Fe3(CO)8[:CNHC(S)C(CH3)2NH]的合成和晶体结构

    Structural Study on Heterocyclic Carbene-Containing Iron Carbonyl Cluster ⅱ . Syntheses and crystal structure of

  8. 结果表明它是含四配位螺形硼氧杂环且具有A、B、C、D四种结构的新型硼系表面活性剂。

    The experimental results show it is a new type surfactant which has A , B , C , D four structures .

  9. Cu(I)膦含氮杂环混配配合物的合成、结构及光谱性质研究

    Synthesis , Structure and Spectroscopic Properties of Copper ( I ) - Phosphine-Nitrogen Heterocycle Mixed-ligand Complexes

  10. 某些氚标记杂环化合物的~3HNMR研究

    ~ 3H NMR Analysis of Some Labeling Heterocyclic Compounds

  11. 药物柳氮磺胺吡啶与若干金属离子作用的配位化学及含硫杂环配体与Cu(I)的配合物

    Coordination Chemistry of Some Metals with Sulfasalazine Drug Ligand and the Complex Cu ( I ) with S-Heterocyclic Ligand

  12. 氯化萤光素(Fluoresceinchloride)对含氨基和杂环氮药物的点滴试验

    Spot test of amino - containing and heterocyclic nitrogen containing drugs with fluorescein chloride

  13. 四氮唑及2(1H)-喹啉酮类含氮稠杂环化合物及其衍生物是重要的医药中间体,其药物广泛应用于心血管类疾病的治疗。

    Tetrazole and carbostyril and their derivatives are widely applied as cardiovascular drugs .

  14. 含膦、氮杂环的Cu~I/Au~I配位超分子的合成、表征及其光谱性质研究

    Synthesis , Structure and Spectroscopic Properties of Copper ( I ) / Gold ( I ) Supramolecular Complexes Containing Phosphine , Nitrogen Heterocycle Ligands

  15. HCMV蛋白酶抑制剂的研究(Ⅱ)杂环类抑制剂的设计与合成

    Study on HCMV protease inhibitors (ⅱ) design and synthesis of heterocyclic inhibitors

  16. 而当R为吸电子基团-CHO、-COCH3时,主要发生分子内氮原子上的亲核取代反应,产物为含氮的五员杂环化合物。

    In contrast , electro-withdrawing groups CHO and COCH_ 3 on the attacking site will favor the intramolecular nucleophilic substitution of nitrogen and form 5-membered heterocyclic compounds .

  17. 聚苯乙烯负载N-杂环卡宾/Pd络合物催化Suzuki反应研究

    Studies on Polystyrene-supported NHC-Pd Complex as Catalyst for the Suzuki Reaction

  18. 七元杂环桥连联苯化合物的合成、晶体结构及性质的研究I.含双氧桥连杂环衍生物的合成与结构表征

    Synthesis , Crystal Structures and Properties of Seven-membered Heterocycle Bridged Biphenyl I. Synthesis and Structure Characterization of Biphenyl Containing Dioxygen Group in the Bridge

  19. 此外,它还可以通过杂Diels-Alder反应合成六元杂环化合物。

    And it can synthesize six-member heterocyclic compounds by aza-Diels-Alder reaction .

  20. Mannich反应制备杂环衍生物添加剂

    Preparation of Heterocyclic Derivatives Additives by Mannich Reaction

  21. 通过实验,筛选出具有杂环结构的表面活性物质B和无机氧化物A联合使用,可以提高铅酸蓄电池大电流放电时的正极容量8%~15%,而且寿命还可以延长7%。

    The joint utilization of inorganic compound A and surface activation agent B can improve the positive electrode capacity of heavy current discharge and the cycle life by 8 % ~ 15 % and 7 % respectively .

  22. N/杂环卡宾钯络合物的合成及在C-C、C-N偶联反应中的应用

    Synthesis of N-heterocyclic Carbene Palladium Complexes and Application in Cross-Coupling of C-C 、 C-N

  23. 橡胶促进剂CBS废水盐分高、COD浓度高,废水中含多种杂环有机物,难降解、难生化,属于高浓度难降解有机废水。

    Accelerator CBS wastewater contains heterocyclic organics and high concentrations of salinity and COD , and is difficult to be degraded and bio-treated .

  24. 取代氮杂环类化合物对大型蚤(DaphniamagnaStraus)的定量结构-活性关系研究

    Quantitative Structure - Activity Relationships Studies of Heterocyclic Nitrogen Compounds

  25. 两个环外PS双键处于含磷杂环的同一侧,表明2b分子是一个cis结构。

    The two PS double bonds are located in the same side of hetero ring , indicating clearly that 2b is a cis isomer .

  26. 杂环合成中的氮杂Wittig反应

    The Aza - Wittig Reaction in Heterocyclic Synthesis

  27. 通过单晶X射线衍射分析,探讨了稠杂环标题化合物的立体化学特征,并对其1,3位取代基的氢谱磁不等价现象进行了合理解释。

    On the basis of X ray diffraction analysis , we discussed stereochemistry of the title compounds , and studied their 1H NMR magnetic nonequivalent phenomenon which agrees with the results of X ray analysis .

  28. 本文采用液液两相法,在甲苯、甲醇和水两相体系中制备了烷基硫醇和芳杂环硫醇修饰的有机-无机复合的CdS半导体纳米晶。

    Inorganic-organic composite CdS nanocrystals covered with thiols were chemically synthesized in a two-phase system including toluene , methanol and distilled water by a new liquid-liquid two-phase method .

  29. 本论文以荧光和紫外-可见光谱为研究手段,研究了几类含氮杂环化合物与牛血清白蛋白(BSA)的相互作用。

    In the thesis , we study the interaction of nitrogenous heterocyclic compounds and bovine serum albumin ( BSA ) by fluorescence and UV-vis spectroscopy .

  30. PEG-400中某些杂环化合物的合成研究

    Study on the Synthesis of Some Heterocyclic Compounds in PEG-400