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   卤化试剂 的翻译结果: 查询用时:0.011秒
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卤化试剂
相关语句
  halogenating reagent
     Halogenating reaction is one of the most important reactions in organic synthesis and the choosing of appropriate halogenating reagent is the hot spot of this field and plays an important role in achieving this kind of reaction.
     卤代反应是有机合成中的一类重要反应,选择合适的卤化试剂是实现该类反应的关键,也是目前研究的热点之一。
短句来源
  halogenating reagents
     In this paper, research progress in the studying of high efficiency halogenation agent in recent years was reviewed and the application of a series of high efficiency halogenating reagents in halogenating substitution reaction and halogenating addition reaction were introduced.
     本文对近年来在高效卤化试剂研究方面取得的进展进行了综述,介绍了系列高效卤化剂在卤化取代反应、卤化加成反应等方面的应用。
短句来源
  “卤化试剂”译为未确定词的双语例句
     Application and Development of High Efficiency Halogenating Agents
     有机卤代反应中高效卤化试剂的应用及发展
短句来源
     At the same time,we have tried the precess for the preparation of 3-exomethylene cepham sulfoxide ester by the improved ring-expanding method over Kukolja, in which the different acid scavengers are employed in the presence of tolune, NCP and stannic chloride.
     同时尝试了改进的Kukolja扩环法合成3—环外亚甲基头孢亚砜酯。 以甲苯为溶剂,NCP为卤化试剂,无水SnCl_4为路易斯酸,通过选用了不同的酸清除剂,以制备闭环产物。
短句来源
     Diiodophthalic anhydride were produced by the reaction of phthalic anhydride with iodine in oleum.
     以邻苯二甲酸酐为原料 ,烟酸为溶剂 ,碘为卤化试剂的直接碘化法制得二碘代苯酐。
短句来源
  相似匹配句对
     Preservation of Reagent
     试剂的存放
短句来源
     Organosilicon reagents
     有机硅试剂
短句来源
     Application and Development of High Efficiency Halogenating Agents
     有机卤代反应中高效卤化试剂的应用及发展
短句来源
     ACIDITY OF THE HYDROGEN HALIDS
     卤化氢的酸性
短句来源
     Study on Halogenated Poly(vinyl alcohol)
     卤化聚乙烯醇的研究
短句来源
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  halogenating reagent
Bromochlorination of norbornene whose chemo- and regio-selectivity is determined by the type of the halogenating reagent used was studied.
      


The paper focused on the study of synthesis of diiodophthalic anhydride. Diiodophthalic anhydride were produced by the reaction of phthalic anhydride with iodine in oleum. The main factors affecting the reaction was studied through orthogonal experiments. Under the optimum conditions, the yield is 81.3%. The structure of the product was characterized by IR and UV spectrum analysis.

报道了二碘代苯酐的合成研究。以邻苯二甲酸酐为原料 ,烟酸为溶剂 ,碘为卤化试剂的直接碘化法制得二碘代苯酐。运用正交试验研究了反应的主要影响因素 ,得到了较佳制备条件 :碘 /苯酐 (mol/mol)为 1 1∶1,反应温度 50℃ ,反应时间为 12h ,产率 81 3%。用红外光谱及紫外光谱对产品结构进行了表征

Halogenating reaction is one of the most important reactions in organic synthesis and the choosing of appropriate halogenating reagent is the hot spot of this field and plays an important role in achieving this kind of reaction. In this paper, research progress in the studying of high efficiency halogenation agent in recent years was reviewed and the application of a series of high efficiency halogenating reagents in halogenating substitution reaction and halogenating addition reaction were introduced. The advantage...

Halogenating reaction is one of the most important reactions in organic synthesis and the choosing of appropriate halogenating reagent is the hot spot of this field and plays an important role in achieving this kind of reaction. In this paper, research progress in the studying of high efficiency halogenation agent in recent years was reviewed and the application of a series of high efficiency halogenating reagents in halogenating substitution reaction and halogenating addition reaction were introduced. The advantage and disadvantage of different halogenating agents were discussed and the developing tendency was prospected.

卤代反应是有机合成中的一类重要反应,选择合适的卤化试剂是实现该类反应的关键,也是目前研究的热点之一。本文对近年来在高效卤化试剂研究方面取得的进展进行了综述,介绍了系列高效卤化剂在卤化取代反应、卤化加成反应等方面的应用。具体评述了不同卤化试剂的优缺点并展望了卤化试剂的发展趋势。

 
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