• 中间体之间双分子质子键合复合物已经提出

    The bimolecular proton-bound complex between benzyne and acetylene intermediate has been proposed.

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  • 对辣椒霉对双酰菌胺的敏感性进行了研究

    The sensitivity of Phytophthora capsici to mandipropamid was studied.

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  • 我们建立了一描述聚丁二晶体中的三阶非线性光学过程数学公式

    We derived a set of mathematical formulas for describing the third-order nonlinear optical process in polydiacetylene crystals.

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  • 通过无配体的铜催化偶联反应合成对称

    Symmetrical diynes were synthesized by ligand-free copper-catalyzed homocoupling reaction.

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  • 甲基甲硅烷基丙基反应产物的产71%84%。

    The yields of products for the reaction of trimethylsilyl propargyl bromide are 71 to 84%.

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  • 心情陪伴进入成功殿堂的温室,使一生、和谐。

    A good mood will accompany you on your way to the palace of success, to the chamber of love and to pleasure and barmony in life.

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  • 论文第二部分工作是3-氟(2-氟)-4丙基苄合成探讨。

    The second part of this paper relates to the synthesis of 3(2)-fluoro-4-propargyl- benzyl alcohol.

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  • 研究了过渡金属催化衍生物异构化反应

    The transition metal catalyzed isomerization reactions of acetylenic derivatives were studied.

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  • 收集到液体燃料中检测出8主要物质分别高级烯烃、杂环化合物有机物。

    And there are 8 kinds of main components in liquid fuel, which belong to higher olefine hydrocarbon, acetylene series, heterocyclic compound and polycyclic organic matter.

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  • 本文介绍了国内外合成方法生产应用

    The principal synthetic methods, production and application about the tertiary acetylenic alcohols in domestic and abroad are introduced in this paper.

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  • 摘要丁二烯抽提装置由于存在大量溶剂丁二烯、C4烃类这些物质都是有毒易燃易爆的。

    Abstract: butadiene extraction unit in the presence of a large amount of solvent and butadiene, acetylene and other C4 hydrocarbons, these substances are toxic, flammable and explosive.

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  • 目的考察质体凝胶作为雌醇透皮给药载体可行性

    OBJECTIVE To investigate the feasibility of ethosome gel as transdermal carries of ethinyl estradiol (EE).

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  • 烷基取代丙基硫缩酮衍生物,则利用相对应末端烷亲电基进行取代反应所获得。

    However, alkyl-substituted propargylic dithioacetals could be synthesized by the displacement reaction of the corresponding terminal alkynes with alkyl iodides.

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  • 提高病人用药顺应性减少副作用本文进行雌醇皮给药制剂研究

    For elevating the compliance of patient's medication and decreasing the adverse reaction, this article carried out the study of transdermal preparation of EE.

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  • 本文报道络合物烷基化加成,合成多取代烯烃,产率较高。

    This paper reports the route of synthesis multisubstituted alkenes by addition reaction of alkyne zirconalkylation with zirconocene complexes.

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  • 芳基取代及其衍生物呈现出光电磁等许多新颖性能

    Aryl substituted polyacetylenes and their derivatives exhibit a lot of novel optical, electric, magnetic properties.

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  • 模型出发,建立了一描述聚丁二晶体中的非线性光学过程数学公式

    Starting from excitonic model, we derived a set of mathematical formulas for describing the third - order nonlinear optical process in polydiacetylene crystals.

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  • 现存用来构建这些重要合成生物分子的方法中,金属促进的羰基化合物烯丙基化和丙基化最容易方便的。

    Among the existing means to construct these synthetically and biologically important molecules, metal-mediated allylation and propargylation is one of the easiest and most convenient.

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  • 为了合成上述化合物需要构筑一些重要末端功能砌块。

    In order to get the aryl alkynyl thio ether, we need to synthesize some important terminal functional compounds.

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  • 文摘综述近几年亚乙烯基络合物中间体-核反应。亲试剂包括烯烃

    Abstract : this article reviews recent progress in nucleophilic reactions of the - carbon in vinylidene ruthenium complexes. the nucleophiles include alkene, alkyne, alcohol, acid, amine, water, etc.

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  • 综述有机合成领域中,通过立体选择性还原制备Z-E-烯烃近期方法

    This article reviews recent methods used in organic synthesis for the stereoselective reduction of alkynes to Z or E alkenes.

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  • 论文详尽描述利用二茂铁芘的(1 -烷基)合成可溶性纳米管

    This article shows particular description of Fabricating Soluble Carbon Nanotubes with Ferrocene or Pyrene Containing Poly (1-alkyl) alkynes.

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  • 结论方法简便,快捷,适应于左诺孕酮油水分配系数测定

    Conclusion: The method is rapid, simple and accurate and is suitable for determining oil-water partition coefficient of levonorgestrel.

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  • 目的探讨米非司酮失碳酯合用早孕机理

    Objective: To investigate the mechanism of mifepristone combined with anordrin for anti - early pregnancy.

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  • 计算表明氢分子加成反应生成稳定甲硅烷基硅

    The computation indicated that the stable silicyl alkene is produced by the addition reaction of silicon alkyne and hydro-gen.

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  • 介绍一种毛细管相色谱测定1,3 -丁二烯杂质含量试验方法

    A new test method, in which alkyne impurity content in 1, 3-butadiene is determined by a capillary gas chromatograph, was introduced.

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  • 研究了含有基团化合物石墨表面组装光照聚合反应

    The self-assembly and photopolymerization of compounds containing diacetylene group were studied on HOPG surface.

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  • 目的应用近红外光谱快速鉴别诺孕酮真伪。

    Objective To establish an near-infrared spectroscopy (NIR) method for the rapid identification of levonorgestrel tablets.

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  • 加成,氢化卤化HX烃的水化作用。

    Addition Reactions to alkynes, Hydrogenation, Halogenation and HX. Hydration of alkynes. Tautomerization.

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  • 目的探索剂量醋酸棉酚(GA)组合甲基酮(MT)雌醇(ee)抗雄性生育作用可行性优化方案

    Objective: to study the feasibility and optimal regimen of oral low dose gossypol acetate (GA) combined with methyltestosterone (MT) plus ethinyl estradiol (EE) for contraception in male rats.

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