对相转移催化合成2-戊叉环戊酮及其异构化的条件进行了研究。
The synthetic conditions of 2-pentylidene cyclopentenone using PTC were stud-ied, and the conditions of isomerization were also studied.
采用超声波相转移催化技术合成了扁桃酸。
Mandelic acid was synthesized by means of ultrasonic phase transfer catalysis(PTC) method.
本文研究了用相转移催化合成丙酸苄酯的方法。
The synthesis of benzyl propionate from propanoic aid, sodium hydroxide and benzyl chloride in the presence of PTC was studied.
用相转移催化合成了柠檬醛二乙缩醛,提高了产率。
Phase transfer catalyst was used for synthesis of citral diethyl acetal, the yield has increased.
本文报道了相转移催化条件下异成烯基苯甲酸酯的合成。
Synthesis of prenyl benzoate under phase transfer catalysis was reported.
着重记述了近年来相转移催化技术在医药工业中的应用进展。
Some application advances of phase transfer catalytic technology in pharmaceutical industry are described in details.
测定了其对氧烷基化反应、氮烷基化反应的相转移催化作用。
Their phase transfer catalytic ability for the reaction of N-alkylation, O-alkylation and oxidation were also determined.
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。
These catalytic mechanisms of interfacial agent in some chemical reactions are micelle catalysis and phase transfer catalysis.
相转移催化合成N,N-二乙基氨基乙基-3,4-二氯苄基醚。
Synthesis of N, N-Diethylaminoethyl 3,4-Dichlorobenzyl Ether by Phase Transfer Catalysis.
研究了应用相转移催化等技术合成DL -苯丙氨酸的工艺条件。
The technological conditions of the synthesis of DL-phenylalanine by using phase - transfer catalyst technology and others are discussed.
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。
Polyethylene glycol 600 showed good phase transfer catalytic effect; the yield after purification was above 89%.
以工业品的含水醋酸钠和氯化苄为原料,相转移催化法制备醋酸苄酯香料。
Benzyl acetate is synthesized by means of phase transfer catalysis with aqueous sodium acetate and benzyl chloride as raw materials.
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。
Ultrasound may replace phase transfer catalysts in phase transfer catalysis reactions and facilitate the reaction.
磷钨杂多酸季铵盐作为相转移催化剂,在胶束两相催化反应中具有良好催化效率。
Quaternary ammonium heteropolyphosphatotungstate, as one kind of the phase transfer catalysts, has good catalysis activity in two phase catalysis reaction of micelle.
本文报道了二苯基烯丙基型鏻盐与取代芳醛在碳酸钾作用下的固一液相转移催化反应。
The phase transfer catalyzed Wittig reaction of allyl diphenyl phosphonium salt with substituted aromatic aldehydes using potassium carbonate as base provides 1, 3-dienes with good E-selectivity.
以对甲氧基苯甲醛、三氯甲烷为原料,相转移催化羰基加成法合成了对甲氧基苯乙醇酸。
Based on the principle of phase transfer catalysis, 4-methoxy-phenylhydroxy-acetic acid was synthesized by the carbonyl addition reaction of 4-methoxybenzaldehyde.
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。
It is shown that these polymers have very high complexing capacities with potassium and sodium ions and have good phase transfer catalysis activity.
实验结果表明,反应温度和溴代正丁烷的用量是相转移催化合成噻酮工艺的主要影响因素。
The experimental results indicated that the reaction temperature and the dosage of 1-butyl bromide were the main factors while the reaction time and the dosage of TBAB were the minor factors.
由于相转移催化具有反应条件温和、反应速度快、反应收率高等优点,使其成为研究的热点。
Phase transfer catalysis is hot point now because of its merit of temperate react condition, quick react rate and high production yield.
研究了相转移催化剂(PTC)在液固相体系中,转移萃取非解离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.
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。
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.
结果表明,采用单酯钠盐作催化剂具有很好的相转移催化作用,磺化废水也具有一定的相转移催化作用。
The research results indicated that the sodium salt of monoester used as a catalyst was of a good catalytic function and so is the waste water. Hence, a new process…
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。
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.
利用相转移催化法合成香料2-甲基-3 甲氧基吡嗪,并对其反应条件进行探讨,找到较佳的反应条件。
The synthetic method of perfume 2 - methyl - 3 - methoxy pyrazine was investigated and better reaction conditions have been found.
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。
The mechanism of the reaction and that of phase transfer catalysis were studied. The process parameters were selected by optimum experiment.
本文报道了一种丙酸苏合香酯的合成新工艺,研究了以苯乙烯及丙酸钠为原料,相转移催化合成了丙酸苏合香酯。
In this process, styrene arid sodium propionate is used as raw metalsm, styralyl propionate is synthesized by phase transfer catalysis reaction.
采用CAN作氧化剂,在相转移催化条件下高产率地合成了具有重要价值的有机合成中间体苯苄亚硒砜和苄基亚硒砜。
Two kinds of useful selenoxide reagents are synthesized via the oxidation of selenides by CAN under the condition of phase transfer catalysis.
相转移催化环烷基化反应不适合采用无溶剂法来进行,对反应过程中的溶剂效应进行分析后选择甲苯作为溶剂和带水剂。
The reaction was not suitable conducted under solvent-free condition, water formed during the reaction was removed by azeotropic distillation with toluene throughout the reaction.
采用相转移催化法以四丁基氯化铵为催化剂合成了端基含磺胺嘧啶的聚乳酸,将肿瘤导向基团引入了可生物降解药物载体。
Sulfadiazine-polylactide, a tumor targeting drug carrier, was successfully synthesized by the phase transfer catalysis(PTC)with tetrabutyl ammonium chloride hydroxide as catalyst.
采用相转移催化法以四丁基氯化铵为催化剂合成了端基含磺胺嘧啶的聚乳酸,将肿瘤导向基团引入了可生物降解药物载体。
Sulfadiazine-polylactide, a tumor targeting drug carrier, was successfully synthesized by the phase transfer catalysis(PTC)with tetrabutyl ammonium chloride hydroxide as catalyst.
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