• 报道了通过串联环加成构化反应合成多取代化合物方法。

    The synthesis of polysubstituted aromatic compounds by using a tandem cycloaddition aromatization reaction was reported.

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  • 研究结果表明1,3-偶极加成反应是以协同反应机理进行的。

    The studies indicate that 1,3-dipolar cycloaddition reactions are concerted reactions.

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  • 本文报道环加成-芳构化串连反应制备多取代芳香族化合物的方法。

    The synthesis of polysubstituted aromatic compounds by using tandem cycloaddition aromatization reaction was reported.

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  • 论文最后催化剂在完成加成反应过程中的催化机理进行了初步探讨。

    At last, the catalytic mechanism of cycloaddition of propylene oxide with carbon dioxide is discussed.

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  • 综述了手性配体金属络合物催化剂催化1,3 -偶极环加成反应研究进展

    The research advances of the chiral ligands metal complexes catalysts used in asymmetric 1, 3-dipolar cycloaddition reactions were reviewed in this paper.

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  • 经验am 1方法研究C _(60)与单态二氯卡宾加成反应反应机理

    The cycloaddition reaction of dichlorocarbene with C60 has been studied by using the semi-empirical method AM1. A reasonable mechanism of the reaction has been suggested.

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  • 本文介绍了载体进行的加成反应及其有机合成反应机理研究中的应用

    This paper focuses on the cycloaddition reactions on solid phase supports and their applications in organic synthesis and mechanism research.

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  • 苯甲酰叶立德磺酰基乙烯环加成合成标题系列化合物,它们是一类生物活性物质。

    Aryl carbonyl stabilized sulfur ylids can cycloadd to aryl vinyl sulfones to produce the title compounds. The title compounds have potentially interesting biological activity properties.

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  • 作为一个反应类型本文介绍了1,3—偶极环加成有争议几种历程及其论据R

    This paper introduce 1, 3-dipolar cycloaddition as a type of reaction, and also mentioned several disputed mechanisms and arguments: R.

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  • 过渡状态理论量子化学AM1方法,对4 甲基5 烯庚腈氧化物加成反应机理进行了研究。

    The reaction mechanism of 4-methyl-5-ethenyl-heptanitril e oxide cycloaddition is studied with the molecular orbital AM1 method and transit ion state theory.

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  • 目前,药物合成中绝大部分1,2,3 -三氮唑的合成方法一直沿用1,3-偶极环加成法。

    In most cases, 1, 3-dipolar cycloaddition of azides with acetylenes is the only way to synthesize substituted 1, 2, 3-triazoles.

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  • 此步反应成功地以醋酸乙烯代替乙炔及其衍生物作为合试剂进行了1,3 -偶极加成反应,得到目标产物

    With vinyl acetate as reactant in place of acetylene and its derivates in 1, 3 dipolar cycloaddition, the target product was obtained successfully.

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  • 阐述了利用丙烷甲醇催化剂HM-9512存在通过选择性加成制备1-甲氧基-2-工艺过程

    A process for preparing 1-methoxy-2-propanol by selective ring cleavage-addition reaction of propylene oxide with MeOH in the presence of HM-9512 catalyst is described.

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  • 带特殊张力的桥双键可以得到规整乙烯类加成聚合物

    Regular vinyl addition polymers may be obtained from particularly strained endocyclic double bonds.

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  • 基聚二甲基硅氧烷,以化合物固化交联进行新型型硫化硅橡胶的研究。

    By using polydimethylsiloxane containing epoxy groups as base gum, the compounds containing amino groups as crosslinking reagent, a new addition type curable silicone rubber were prepared.

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  • 硅油进行硅氢加成反应,合成出聚醚改性聚甲基硅氧烷

    It was then reacted with low hydrogen containing silicone oil via hydrosilylation to produce epoxy-containing polyether silicone.

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  • 水性固化剂一般采用多元-加成

    Polyamine - epoxy adduct is used as waterborne epoxy hardener generally.

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  • 一种组份加成固化涂料

    It's a two-component amine adduct cured epoxy paint.

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  • 卤素加成反应制备烷,工艺流程简单,原料经济,收率高,易实现工业化

    Preparing cyclopentane halide by the addition reaction of cyclopentene with hydrogen halide is a simplified process with a high yield and can be used in a large scale.

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  • 研究了烷基苯基硅铜酸盐与2-1,4-加成反应的立体选择性,并合成一系列新的2-取代-3-硅基烷酮。

    The stereoselectivity of 1,4-addition of dialkylphenylsilyl cuprates to 2-cycloenones was investigated and meantime a series of new 2-substituted-3-silylcycloalkanones were synthesized.

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  • 采用化学改性法,选择多官能团酚醛树脂(F—51)乙醇胺进行定量加成反应,合成种在分子结构上具有基团具有亲水性基团的改性树脂。

    According to the molecule design, a kind of modified resin which have both epoxy groups and hydrophilic groups was synthesized from polyfunctional group novolac epoxy resin (F-51) and diethanolamine.

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  • 发明涉及新型前列衍生物及其可接受加成溶剂化 物水合物多晶型

    This invention relates to novel prostacyclin derivatives, their acceptable acid addition salts, solvates, hydrates and polymorphs thereof.

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  • 高度共轭笼状结构的碳素体,分子结构中六边形共价碳碳双键是富电子区,反应性能烯烃有类似性,主要表现双键加成

    C_(60) is one kind of fullerene with high conjugated cage-types structure. Its covalence between two hexagons has high reactivity, which behaves as addition reaction of double bond.

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  • 化公司的GH 602铁红底漆组份、胺加成固化氧底漆,GH 102陶瓷是双组份、胺加成物固化的氧面漆。

    Donghua's GH602 Iron-red Epoxy Primer is a two-part amine-adduct cured epoxy primer; and GH102 Ceramic Epoxy Topcoat is a two-part amine-adduct cured epoxy topcoat.

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  • 化公司的GH 602铁红底漆组份、胺加成固化氧底漆,GH 102陶瓷是双组份、胺加成物固化的氧面漆。

    Donghua's GH602 Iron-red Epoxy Primer is a two-part amine-adduct cured epoxy primer; and GH102 Ceramic Epoxy Topcoat is a two-part amine-adduct cured epoxy topcoat.

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