Benzyl chloride and isobutylaldehyde were transformed into muguet alcohol through phase-transfer reaction and catalytic hydrogenation.
从氯化苄和异丁醛经相转移反应及催化加氢的方法得铃兰醇。
The results show that increasing reaction temperature, using acetone as cosolvent or sodium dodecyl sulfate as phase-transfer reagent can accelerate the reaction.
结果表明,升高反应温度、以丙酮为共溶剂或以十二烷基硫酸钠作相转移剂均可使反应速度加快。
Polyethylene glycols can be used as effective phase transfer catalyst in halogen exchange fluorination.
聚乙二醇可作为卤素交换氟化反应有效的相转移催化剂。
As a phase transfer catalyst polyethylene glycol can improve the selectivity of the reaction.
聚乙二醇作为相转移催化剂可以提高反应的选择性。
As a phase transfer catalyst, polyethylene glycol could improve the selectivity of the reaction.
聚乙二醇作为相转移催化剂可以提高反应的选择性。
It is shown that these polymers have very high complexing capacities with potassium and sodium ions and have good phase transfer catalysis activity.
结果表明,这类聚合物冠醚对钠、钾离子有很强的络合能力,并有良好的相转移催化活性。
Methods Chalcone derivatives were synthesized from benzaldehyde derivatives and acetophenone by using weak alkali potassium carbonate as based catalyst in water via phase - transfer catalysis.
方法以苯甲醛衍生物和苯乙酮为原料,弱碱碳酸钾为催化剂,水为溶剂,用相转移催化法合成查耳酮衍生物。
A variety of new chiral phase transfer catalysts have emerged to this area and added the new vitality to it.
各种新的手性相转移催化剂不断涌现,给这一领域的研究增加了新的活力。
The catalyst has high activity, selectivity and the characteristic of reaction controlled phase transfer catalyst.
该催化剂具有高活性、高选择性,且具有反应控制相转移催化剂的特性。
This paper reviews the research activities of calixarenes in the area of inverse phase transfer catalysts, artificial enzyme and the others in recent years.
本文综述了国内外近年来杯芳烃在反相转移催化剂、模拟酶及其他催化性能方面的研究进展。
These catalytic mechanisms of interfacial agent in some chemical reactions are micelle catalysis and phase transfer catalysis.
表面活性剂催化化学反应过程的机理有胶束催化和相转移催化。
We used phase transfer catalyst to improve the deacetylation of Chitosan, and the hydrogen peroxide degradation to reduce the molecular of Chitosan.
本文通过使用相转移催化剂来提高壳聚糖的脱乙酰度,使用过氧化氢降解法降低壳聚糖的分子量。
In the new reaction system, product can easily isolate and catalyst can be recycled owing to the phase transfer catalysis character of catalyst in reaction process.
在此新反应体系中,催化剂呈现反应过程相转移催化特性,产物易分离,催化剂可回收循环利用。
Ultrasound may replace phase transfer catalysts in phase transfer catalysis reactions and facilitate the reaction.
在相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。
Polyethylene glycol 600 showed good phase transfer catalytic effect; the yield after purification was above 89%.
聚乙二醇600的相转移催化作用明显,精制后产品收率在89%以上。
The paper reviews the effects of the phase transfer catalysts, base, temperature, time in the reaction.
发现碱的浓度、碱的用量、反应时间及相转移催化剂的存在对反应影响较大。
The results showed that poly( ethylene glycol) as a phase transfer catalyst can raise the conversion.
指出聚乙二醇作为相转移催化剂可增加转化率。
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.
高分子咪唑盐1是一种新型高分子相转移催化剂,具有制备简单、稳定性好、催化活性高等特点。
The mechanism of the reaction and that of phase transfer catalysis were studied. The process parameters were selected by optimum experiment.
对反应合成、相转移催化机理和合成工艺进行了研究和实验探索,经条件优化实验确定了较佳的合成工艺参数。
Mandelic acid was synthesized by means of ultrasonic phase transfer catalysis(PTC) method.
采用超声波相转移催化技术合成了扁桃酸。
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)为氧化剂,四丁基溴化铵(TBAB)为相转移催化剂,有效地将乳酸乙酯氧化合成丙酮酸乙酯,产品纯度达98%以上。
Phase transfer catalyst was used for synthesis of citral diethyl acetal, the yield has increased.
用相转移催化合成了柠檬醛二乙缩醛,提高了产率。
CONCLUSION The phase transfer catalyst has advantages of simple starting material, convenient operations and mild reaction conditions.
相转移法合成萘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。
Polymer phase transfer catalyst was a good catalyst.
高分子相转移催化剂是一种良好的催化剂。
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,合成了一种新型磷钨杂多酸盐相转移催化剂,研究了它在不同合成条件下的产率。
Synthesis of prenyl benzoate under phase transfer catalysis was reported.
本文报道了相转移催化条件下异成烯基苯甲酸酯的合成。
This paper discusses the principle with which phase transfer catalyst ACTS on the synthesis of paclobutrazol.
本文讨论了相转移催化剂在多效唑合成中的作用原理。
This paper discusses the principle with which phase transfer catalyst ACTS on the synthesis of paclobutrazol.
本文讨论了相转移催化剂在多效唑合成中的作用原理。
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