• 新型高分子转移催化剂

    Polyvinyl chloride-polyethylene polyamine resin is a new polymer phase transfer catalyst.

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  • 转移催化剂反复使用

    The phase transfer catalyst Ql can be repeatedly used.

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  • 高分子转移催化剂一种良好催化剂

    Polymer phase transfer catalyst was a good catalyst.

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  • 指出乙二醇作为转移催化剂增加转化率

    The results showed that poly( ethylene glycol) as a phase transfer catalyst can raise the conversion.

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  • 乙二醇作为转移催化剂可以提高反应选择性

    As a phase transfer catalyst polyethylene glycol can improve the selectivity of the reaction.

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  • 聚乙二醇作为转移催化剂可以提高反应选择性

    As a phase transfer catalyst, polyethylene glycol could improve the selectivity of the reaction.

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  • 本文讨论转移催化剂多效合成中的作用原理

    This paper discusses the principle with which phase transfer catalyst ACTS on the synthesis of paclobutrazol.

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  • 乙二醇作为卤素交换氟化反应有效转移催化剂

    Polyethylene glycols can be used as effective phase transfer catalyst in halogen exchange fluorination.

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  • 第三部分转移催化剂作用下合成吲哚甲烷研究。

    The third part: Synthesis of bis (indolyl) methanes assisted by two phase transfer catalysts.

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  • 研究了利用转移催化剂不同条件合成结晶玫瑰工艺。

    The synthesis of Rosacetol Roseme by use of phase transfer catalysis at different conditions is studied.

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  • 通过反复试验确定多效三步合成转移催化剂最佳用量

    By repeated tests, a proper amount of phase transfer catalyst in the TCR -step synthesis of paclobutrazol is fixed.

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  • 催化剂具有高活性、高选择性,且具有反应控制转移催化剂特性

    The catalyst has high activity, selectivity and the characteristic of reaction controlled phase transfer catalyst.

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  • 请求英语高手翻译一下添加转移催化剂PEG-400聚剂对叔…

    Add a phase transfer catalyst PEG-400 and the inhibitor ofp-tert-butyl-catechol synthesis of cinnamic acid on the yield …

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  • 各种新的手性转移催化剂不断涌现领域的研究增加了新的活力。

    A variety of new chiral phase transfer catalysts have emerged to this area and added the new vitality to it.

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  • 转移催化反应体系中,超声能够取代相转移催化剂,使反应顺利进行。

    Ultrasound may replace phase transfer catalysts in phase transfer catalysis reactions and facilitate the reaction.

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  • 实验结果表明PEG300 ~ 600合适的固-转移催化剂

    The results of the experiments show that PEG300 ~ 600 are good phase transfer catalysts.

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  • 发现浓度、碱用量、反应时间转移催化剂的存在对反应影响较大。

    The paper reviews the effects of the phase transfer catalysts, base, temperature, time in the reaction.

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  • C TMAB相转移催化剂, 氯化丁酸为原料合成丁酸方法

    A new method for the synthesis of benzyl n -butyrate with benzyl chloride and sodium n-butyrate by the catalyst of CTMAB is described.

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  • 磷钨杂多酸季铵盐作为转移催化剂催化反应具有良好催化效率。

    Quaternary ammonium heteropolyphosphatotungstate, as one kind of the phase transfer catalysts, has good catalysis activity in two phase catalysis reaction of micelle.

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  • 在强碱条件,用超声辐射使用转移催化剂,二卤降卤仿反应发生卤素交换

    With strong bases under ultrasonication and phase - transfer catalysis, the reaction of 7, 7 -dihalocarane and haloform can generate halogen exchanges.

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  • 结果表明采用TEBA作相转移催化剂最佳条件下, 结晶攻瑰53%。

    The results show that the yield can reach over 53% by using TEBA and under the optimum conditions.

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  • 本文以对氨基苯乙酮铁为底物,转移催化剂存在的条件下发生重氮芳基化反应

    In this paper, we investigated the arylation reaction ofp-amino acetylbenzene with ferrocene catalyzed by phase transfer catalyst.

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  • 本文综述了国内外近年芳烃转移催化剂模拟其他催化性能方面研究进展。

    This paper reviews the research activities of calixarenes in the area of inverse phase transfer catalysts, artificial enzyme and the others in recent years.

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  • PEG- 400转移催化剂合成三硫二提高收率产品三硫二丙烯含量

    Allyl trisulfide was prepared with PEG-400 as phase transfer catalyst to raise the yield of the product and the content of the allyl trisulfide in the product.

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  • 研究转移催化剂(PTC)体系中,转移萃取型中性分子氰化亚铜的过租。

    Transfer of non dissociated neutral molecule CuCN in solid-liquid system by phase transfer catalysts is investigated.

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  • 本文通过使用转移催化剂提高聚糖脱乙酰度,使用过氧化降解法降低壳聚糖分子量。

    We used phase transfer catalyst to improve the deacetylation of Chitosan, and the hydrogen peroxide degradation to reduce the molecular of Chitosan.

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  • 高分子咪唑1种新型高分子转移催化剂具有制备简单、稳定性催化活性高等特点。

    Polymer imidazole salt 1 is a new kind of polymer phase transfer catalyst, which has the advantages of convenience for preparation, good thermal stability, and high catalytic activity.

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  • 高分子咪唑1种新型高分子转移催化剂具有制备简单、稳定性催化活性高等特点。

    Polymer imidazole salt 1 is a new kind of polymer phase transfer catalyst, which has the advantages of convenience for preparation, good thermal stability, and high catalytic activity.

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