• 研究水溶性膦络合催1 -己烯甲酰化反应

    The use of the water-soluble Rh-phosphine complexes for catalytic hydroformylation of 1-hexene in two-phase system was studied.

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  • 对于水溶性烯烃甲酰化反应速度远远低于低碳烯烃

    For higher olefin that has poor solubility in water, the hydroformylation reaction rate is much less than short-chain alkenes.

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  • 烯烃甲酰化反应时,观察到烯烃与膦配体之间有一定匹配效应;

    The catalytic systems containing the surface-active phosphine show a clear matching relation between the length of olefin chain and hydrophobic chain of the surface-active phosphine.

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  • 溶剂显著影响,溶剂甲苯结果最好。考察了几种官能团烯烃甲酰化反应

    Hydroformylation of olefins with different functional groups as Well as the effect of Solvent are also investigated.

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  • 考察HZ - 1沸石交换次数制备条件用量甲苯甲酰化反应影响。

    The effects of the catalyst dosage and the preparation conditions of HZ-1 zeolite, for example, number of exchange times on the benzoylation of toluene were studied.

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  • 本文综述了对学工业具有潜在经济价值油酸甲酯油醇的氢甲酰反应进展介绍了反应产物的应用前景。

    In this text, the developments of hydroformylation of methyl oleate and oleyl alcohol, as well as the reactions and applications of its final products were reviewed.

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  • 方法采用对硝基苯胺为原料,还原保护甲酰化环合、脱保护基六步反应法可进行学合成。

    Methods Apraclonidine was synthesized from P-Nitraniline by reaction with reduction, adding protection group, formylation, chlorination, cyclization, off-protecting group.

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  • 以苯甲酰为原料,,还原,环合反应合成左旋西替利嗪盐酸盐,反应收率为8。05%。

    Levocetirizine dihydrochloride was prepared from benzoyl chloride by acids lation hydrogenation cyclization with an overall yield of8.05%.

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  • 以苯甲酰氯为原料,,还原,环合反应合成左旋西替利嗪盐酸盐反应收率为8.05%。

    Levocetirizine Dihydrochloride was prepared from benzoyl chloride by acidylation, hydrogenation, cyclization with an overall yield of 8.05%.

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  • 同时反应过程中的甲酰环合方法反应时间进行了探讨,反应条件提高产率合物的荧光光谱进行了分析。

    Also the optimum reaction conditions including formylation, method and reaction time of cyclization were studied to enhance the yield. In the end, their fluorescence spectrum are analyzed.

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  • 通过对(-)-表儿茶甲酰物的分析研究单宁的苯甲酰化位置次序从而比较合理地说明了异氰酸酯反应羟基的位置。

    The position and sequence of benzoylation in tannin were studied by the analysis of benzoylated (-) epicatechin derivatives. The position of hydroxyl groups which react with isocya…

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  • 最后研究了叔辛胺环氧氯丙烷反应得到的1-叔辛基-3-羟基氮杂环丁烷盐酸盐甲磺酰反应性。

    At Iast, the possibility of the 1-tert-octyl-3-hydroxyl azetidine's hydrochloric salt methyl-sulfuric-acyl reaction and nitration reaction is studied.

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  • 最后研究了叔辛胺环氧氯丙烷反应得到的1-叔辛基-3-羟基氮杂环丁烷盐酸盐甲磺酰反应性。

    At Iast, the possibility of the 1-tert-octyl-3-hydroxyl azetidine's hydrochloric salt methyl-sulfuric-acyl reaction and nitration reaction is studied.

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