• 通过4-甲氧基苯甲醛羰基加成反应合成4-甲氧基-苯基羟基乙酸

    The 4-methoxy-phenylhydroxy-acetic acid was synthesized by the carbonyl addition reaction of 4-methoxybenzaldehyde.

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  • 同时对有机锌试剂加成反应进行研究。

    At the same time, the addition reaction of organozinc reagent and ketones was investigated.

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  • 综述烷基锌不对称加成反应最新进展

    This review covers the recent advances on the asymmetric addition reactions of alkylzinc reagents with imines.

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  • 本文评论了用于硅氢加成反应过渡金属催化剂。

    The transition metal catalysts for hydrosilation are reviewed in this paper.

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  • 关键反应控制不对称原子共轭加成反应

    The key step was a substrate controlled asymmetric heteroatom conjugated addition.

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  • 研究酸度苯胺双氰胺加成反应生成苯基双胍影响

    The effect of acidity on the synthesis of phenylbiguanide from the additive reaction of aniline with dicyandiamide was studied.

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  • 本文报告有机铜的1,4-加成反应合成标题化合物

    Synthesis of the title compounds by 1, 4-addition of an organocoppor reagent is described.

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  • 本文报导了取代氧化物对乙酰氨基苯酰胺加成反应

    The addition reaction of substituted phenyl nitrile oxide and p-Acetaminobenzenesulfamide were reported.

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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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  • 改进合成方法使加成反应产率原来的66%提高98%。

    The yield of the addition reaction was increased from 66% to 98% because the synthesis method was improved.

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  • 研究表明,光线条件溴素乙炔加成反应过程有非常明显的影响

    Results show that the addition reaction of bromine with acetylene was obviously influenced by light condition.

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  • 利用所合成REM树脂进行了加成反应动力学研究

    The Michael addition of REM resin with amines and phenols is investigated.

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  • 合成工艺操作简便收率较高加成反应避免使用有机溶剂

    This synthesis had the advantages of easier operation, higher yield, and avoided using organic solvents in the addition procedure.

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  • 研究结果表明1,3-偶极环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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  • 研究N-甲基O-甲基羟胺不饱和硝基化合物加成反应

    To study the nucleophilic addition of N-methylhydroxylamine and O-methylhydroxylamine to unsaturated nitro compounds.

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  • 二氯卡宾加成反应中,我们研究了它们之间相对反应速率

    The relative reaction rate of adding dichlorocarbene to enol phosphates was studied.

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  • 原子作为炔烃三键活化基团定位基,炔烃三键发生亲电加成反应

    This type of reaction has signicant advantages, the alkyne proceeds the coupling reaction with the halogen atom as the leaving group.

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  • 磷酸催化剂,催化工业戊烯顺丁烯二酸酐进行异构加成反应

    In the presence of catalyst phosphoric acid, isomeric addition of bipentene with cis-butenedioic anhydride can form terpenyl bu tenedioic anhydride compound as expoxylite firming agent.

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  • 硅油进行硅氢加成反应,合成出环氧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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  • 催化不对称1,4-共轭加成反应一种非常有效的碳—碳键形成方法。

    In this paper, the recent progress in rhodium-catalyzed asymmetric 1,4-conjugate addition reactions is reviewed.

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  • 论文最后催化剂在完成环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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  • 迈克尔反应典型的亲核加成反应,一直是有机化学领域一个研究热点

    Michael reaction is a typical nucleophilic addition reaction, is always an organic chemistry domain research hot spot.

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  • 超支化聚合物合成反应主要有缩聚反应加成反应聚合、接枝反应

    Synthetic reactions of hyperbranched polymers included condensation reaction, addition reaction, ring - opening reaction, grafting reaction, etc.

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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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  • 代烯烃或芳烃相反,氯代膦烯与零氧化加成反应可以温和条件下进行

    On the contrary to the vinyl and aryl chlorides, the oxidative addition reaction of zerovalent palladium to chloro-substituted phosphaalkenes proceeded smoothly under mild conditions.

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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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  • 一种通过生成环状正离子中间体进行的,通过这样的历程进行加成反应加成

    One is conducted amidst formed cyclic cation intermediate and the reaction thus carried out is known as anti- form addition.

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  • 一种通过生成环状正离子中间体进行的,通过这样的历程进行加成反应加成

    One is conducted amidst formed cyclic cation intermediate and the reaction thus carried out is known as anti- form addition.

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