• 本文较系统地论述反应制备不同卤代铜酞菁的方法,铜酞菁反应历程

    In this thesis, the halogenation of Copper phthalocyanine and the method of preparation and the reaction mechanism of lower chlorinated Copper phthalocyanine were discussed.

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  • 烯烃发生加成反应生成卤代醇。

    Alkenes react with water and halogens to form halohydrins by an addition reaction.

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  • 这个反应生成一些卤代化合物

    The reaction gives some of the dihalogeno compound .

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  • 参加卤代亲核反应

    Amines can engage in nucleophile substitution reaction with alky.

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  • 这个反应生成一些卤代化合物

    The reaction gives some of the dihalogeno compound.

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  • 采用硼氢化钠还原剂温和反应条件下,成功地进行了催化噻吩的完全

    Under moderate reaction conditions, palladium-catalyzed complete hydrodehalogenation of halothiophenes has been achieved with NaBH4 as a reductant.

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  • 通过亚硝酸反应形成重以及重氮盐生成卤代芳烃反应条件反应机理研究

    This article studies the reactions of nitrous acid with eldest aromatic amine and diazonium salts substituted by halogen, and investigates the condition and mechanism of those reactions.

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  • 摘要卤代芳烃氰化反应液晶单体合成广泛应用,传统加热方法反应时间温度

    Cyanation of aryl halides is widely used in the synthesis of liquid crystals but its traditional heating reactions require long time and high temperature.

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  • 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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  • 试验结果表明,上述这种方法进行羰基合成,反应选择性,其中烯烃烃的收率也较高。

    The results have shown that the selectivities are good for all substrates and the yields are satisfactory for olefins and halides in this way.

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  • 加成物( 1 )与反应后,与锡原子相连的苯基,得到一卤代混合卤代物(28) 。

    The phenyl groups in compound 1 were substituted by ICl, Br 2 or I 2 to yield mono- and dihalide derivatives(28).

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  • 某些有机化学》教科书中,反应制备反应程序有误。

    Of some textbooks of organic chemistry, There is a error in equation for preparing amines from alkyl halides and ammonia.

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  • 转移催化剂种类原理反应条件以及它卤代芳香族化合物反应中的应用等方面对相转移催化剂的作用进行概括总结。

    The application of phase transfer catalysis in fluorination of halo-aromatic compounds, mechanism, variety and reaction condition of fluorination are reviewed in this article.

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  • 烷基聚糖进行X射线光电子能谱分析表明随着卤代烷试剂反应活性的增高,发生壳聚糖羟基烷基反应增多。

    X-ray photoelectron spectroscopy (XPS) indicated that the higher reaction activity of alkyl halide, the more alkyl substitution degree on hydroxyl group of chitosan.

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  • 采用活泼胺经过一步反应得到最终产物,产率较高

    Active saturated dihalide is adopted to further react with long chain tertiary amine to obtain a final product with high yield.

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  • 主要包括以下内容:合成硝基氨基罗丹明,并通过氨基的重氮化,桑德迈尔反应得到一系列56)位卤代罗丹明衍生物;

    The details were described below:Nitro-rhodamine and amino-rhodamine were synthesized. A series of 5 (6)-halo-rhodamine were obtain from amino-rhodamine through diazotization, Sandmeyer reaction.

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  • 本文报导了多种不同催化体系对卤代进行还原反应的结果。

    Reduction of organic halides catalyzed by various titanium compounds has been studied.

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  • 卤代芳烃氰化反应液晶单体合成广泛应用,传统加热方法反应时间温度

    Cyanation of aryl halides is widely used in the synthesis of liquid crystals, but its traditional heating reactions require long time and high temperature.

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  • 有机卤代反应作为构建-碳碳-杂原子键的一种重要途径已经得到广泛和深入研究

    As an important approach of carbon-carbon bond formation and carbon-heteroatom bond formation, photochemistry of organic halides has been studied extensively.

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  • 目前合成方法尚有很多不足之处,我们在总结前人经验的基础硒格氏试剂反应物,直接卤代烯烃反应制得一系列硒醚。

    Based on the former research works, we used magnesium selenolate as reactant to react with RX or styrene to synthesize a series of selenide. Followings are the main research results:1.

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  • 卤代硝基二苯醚类化合物,研究了微波功率反应时间催化剂以及溶剂等反应条件影响

    Nine kinds of halo-substituted nitro-diphenylethers were prepared under microwave radiation. The influences of microwave power, reaction time, catalyst, and solvent on products yield were discussed.

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  • 二甲苯酚卤代羧酸反应率在81%以上。

    The yield of O-alkylation of 2,5-dimethylphenol with the monohalogen carboxylic esters is above 81%.

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  • 以喹啉为母体,配以有机芳香族化合物卤代反应合成一种复合缓蚀剂

    A complex corrosion inhibitor has been synthesized from quinoline, organic amines, aromatic compounds and halohydrocarbons.

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  • B3LYP/6-311G计算所得平衡几何构型基础,分别根据静电分子轨道计算研究了分子中-NH2和-N(CH3)2的亲核性,并与偏二甲基肼和卤代反应的实验结果进行了对比分析。

    On the basis of equilibrated geometrical structure obtained by B3LYP/6-311G method, the nucleophilicity of-N(CH3)2 and-NH2 groups are investigated by electrostatic potential and MO calculations.

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  • 结果表明,氯化汞活化金属类化合物与丙基苄基卤代物的反应有效高产率地生成醇。

    Samarium metal (activated by HgCl2) is an effective reagent for allylation or benzylation of ketones. The corresponding tertiary alcs. are obtained in satisfactory yields.

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  • 结果表明,氯化汞活化金属类化合物与丙基苄基卤代物的反应有效高产率地生成醇。

    Samarium metal (activated by HgCl2) is an effective reagent for allylation or benzylation of ketones. The corresponding tertiary alcs. are obtained in satisfactory yields.

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