• Polymer phase transfer catalyst was a good catalyst.

    高分子转移催化剂一种良好的催化剂。

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  • The phase transfer catalyst Ql can be repeatedly used.

    转移催化剂反复使用

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

    新型高分子转移催化剂

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

    乙二醇作为转移催化剂可以提高反应选择性

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

    聚乙二醇作为转移催化剂可以提高反应选择性

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  • Phase transfer catalyst was used for synthesis of citral diethyl acetal, the yield has increased.

    转移催化合成柠檬二乙醛,提高率。

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

    指出乙二醇作为转移催化剂增加转化率

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  • A new kind of phase transfer catalyst of phosphotungstate was synthesized by a new way in this paper.

    采用新的合成方法,合成了一种新型钨杂多酸盐转移催化剂,研究了它在不同合成条件下产率。

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

    乙二醇作为卤素交换氟化反应有效转移催化剂

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

    本文讨论转移催化剂多效唑合成中的作用原理

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

    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

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

    通过反复试验确定多效三步合成转移催化剂最佳用量

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  • The kinetic of hydrolysis of benzal chloride was studied by using a new kind of phase transfer catalyst in this paper.

    使用超声波促进邻叉二氯水解研究反应条件反应速度的影响。

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

    请求英语高手翻译一下添加转移催化剂PEG-400聚剂对叔…

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

    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

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  • CONCLUSION The phase transfer catalyst has advantages of simple starting material, convenient operations and mild reaction conditions.

    转移法合成丁美酮具有所用试剂易得,操作方法简便反应条件温和,成本较低等优点。

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  • The results show that catalytic efficiency of the phase transfer catalyst BETAC is higher than TBAB, and TBAB is nearly as efficient as TEBA.

    实验结果表明:本体系中转移催化剂催化效率苄基三乙基氯化铵大于四丁基溴化铵乙基溴化铵;

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  • The synthesis of benzyl-2-naphthyl ether by the reaction of 2-naphthol and benzyl chloride using phase transfer catalyst Bu_4NBr was studied.

    为了探索香料苄基-2-萘基合成方法,通过催化剂改进利用超声波技术改善催化条件,使苄基-2-萘基醚的合成过程向绿色化靠近。

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  • Ethyl pyruvate was synthesized from ethyl lactate using TBHP as oxidant and TBAB as phase transfer catalyst, the purity of product was over 98 %.

    以叔丁基过氧化氢(TBHP)氧化剂,四丁基溴化铵(TBAB)为转移催化剂,有效地将乳酸氧化合成丙酮酸乙酯,产品纯度达98%以上。

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  • The catalytic oxidation of cinnamic acid with phase transfer catalyst(PTC), quaternary ammonium salt benzyltrimethylammonium chloride is reported.

    研究了铵盐催化下高锰酸钾氧化肉桂反应

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

    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

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  • Different technologies for the preparations of SPE, including solvent method, non-solvent method and phase transfer catalyst method, were introduced.

    重点综述了无溶剂酯交换二步法合成蔗糖脂肪酸多酯工艺

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  • Tricresylphosphate was synthesized under the function of phase transfer catalyst, based on the raw materials of sodium cresol and phosphorus oxychloride.

    甲酚氧氯化磷为原料催化剂作用合成三甲苯磷酸酯。

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  • 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.

    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

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  • The yield was increased through adding tetrabutyl ammonium bromide as the phase transfer catalyst, and using excessive diisopropyl phosphite to compensate its hydrolyzation.

    通过添加适量四丁基溴化转移催化剂使用过量的亚磷酸二异丙补偿其在强碱环境中的水解,从而提高了反应产率

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  • The chitosan was prepared with 92% deacetylation degree using n-butanol and sodium hydroxide as a reaction medium and cetyltrimethylammonium bromide as a phase transfer catalyst.

    采用正丁醇-氢氧化钠反应体系,以十六烷基三甲基化铵转移催化剂,脱乙酰为92%壳聚糖

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  • Authors have obtained by using m-phenoxybenzyltriethylammonium chloride as the phase transfer catalyst which is cheap, available and self—productive. We hare achieved better results.

    研究价廉、易得,能够方便自产的间—苯氧基苄基三乙基氯化铵作为转移催化剂获得了较好的结果

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  • Authors have obtained by using m-phenoxybenzyltriethylammonium chloride as the phase transfer catalyst which is cheap, available and self—productive. We hare achieved better results.

    研究价廉、易得,能够方便自产的间—苯氧基苄基三乙基氯化铵作为转移催化剂获得了较好的结果

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