目的:介绍昆虫保幼激素蚊蝇醚的合成工艺;
Objective:To introduce the synthetic technique of pyriproxyfen; Methods;
文章介绍醇醚的合成工艺、反应条件及催化剂。
This paper introduces its synthetic technology, reaction condition and reaction catalyst.
本文简要介绍近年来各类饱和环硫醚的合成方法。
In this paper some newer methods for the synthesis of saturated cyclic sulphides were presented briefly.
首先,对低沸点起始剂酯醚的合成工艺进行了研究。
First, the preparation process of low boiling point initiator polyetherswas moditied.
本发明涉及烯丙基缩水甘油醚的合成方法,属有机合成化学技术领域。
The invention relates to a method for preparing allyl glycidyl ether, and belongs to organic synthetic chemistry technical field.
实验结果表明,适当的微波辐射可以加速十二烷基缩水甘油醚的合成反应,而且产率高,操作简便。
The experimental results showed that the proper microwave irradiation could speed up the reaction of dodecyl glycidyl ether and give high yield with simple operation.
从四氢吡喃醚的合成及脱除方法介绍了二氢吡喃这种羟基保护试剂近十几年来在有机合成中的应用。
As an effective protection for hydroxy group in alcohols and phenols, the methods for the formation of tetrahydropyran ether and its cleavage employed in the last 15 years are reviewed.
本文研究了磺酸化的聚苯乙烯树脂在酯化、酯交换、缩醛或缩酮的合成、醚的合成及(口片)呐重排反应中的应用。
This paper reports the study on the sulfonated polystyrene resin used in esterification, transesterification, synthesis of acetals or ketals, synthesis of ether and rearrangement reaction of pinacol.
对稀释剂十二烷基缩水甘油醚的合成及影响产品质量的因素进行了研究,并以十二、十四混醇为原料进行了对比试验。
Dodecyl glycidyl ether is a good reactive diluent with low toxicity and no irritation. The studies were concentrated on the synthesis and the factors effecting the quality of the diluent.
本文对酮的二甲硅基双烯醇醚的合成反应机理和反应条件进行了探讨,在此基础上合成了四个酮的二甲硅基双烯醇醚,产率较高。
The synthetic mechanism and conditions of dimethylsilyl bis-enol ethers of ketones were studied and four dimethylsilyl his-enol ethers of ketones were synthesized and the yields were high.
为了探索香料苄基-2-萘基醚的合成方法,通过对催化剂的改进和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。
The synthesis of benzyl-2-naphthyl ether by the reaction of 2-naphthol and benzyl chloride using phase transfer catalyst Bu_4NBr was studied.
手性金属络合物催化硫醚的不对称氧化是合成手性亚砜最有效的方法。
The most efficient way to generate chiral sulfoxides is asymmetric oxidation of prochiral sulfides Catalyzed by chiral metal complexes.
合成了一种包含单链长和双链长的聚氧乙烯醚磷酸酯(MHPEPE)表面活性剂。
A surfactant mixture (MHPEPE) including two components, one is single-tailed and the other double-tailed, is synthesized.
在我们的实验中,我们合成了烷基聚乙二醇醚磺酸盐(APES),一种电解稳定加脂剂,并将其试用于浸酸浴和鞣浴中。
In our experiment, we synthesised alkyl polyglycol ether sulfonates (APES), electrolytically stable fatliquor, and tried to apply it in the pickle and tanning bath.
介绍了表面活性剂烷基二苯醚二磺酸盐的合成、生产及应用情况。
The synthesis, production and application of the surfactant alkyl diphenyl ether disulfonate were reviewed.
以二苯醚与苯甲酰氯为原料,合成了一种新型的激光光敏刺——4 -苯氧基二苯甲酮(PBZP)。
A new photoinitiator, 4-phenoxy benzophenone (PBZP), was synthesized and characterized using diphenyl ether and benzoyl chloride as raw material.
报道新型有机分子——三方向醚键型分枝状化合物的合成。
New organic molecules the three directional ether bond branched compounds were designed and synthesized.
本论文主要开展了乙烯基硫醚和苯并噻唑衍生物的选择性合成方法的研究。
The dissertation describes some selective methods for the synthesis of alkenyl sulfides and benzothiazole derivatives.
采用一步法合成以4 ,4 '-甲烷二环已基二异氰酸酯(HMDI)、扩链剂1,4 -丁二醇(BDO)为硬段,聚四氢呋喃醚(PTMG)为软段的脂肪族聚氨酯。
The one step method was adopted in this study to synthesize aliphatic polyurethane with 4,4 methylene dicyclohexyl diisocyanate(HMDI), 1,4 butanediol(BDO) and poly (tetrahydrofuran)(PTMG).
采用乙二醇单丁醚脱水的方法合成了高效的具有类似二丁基卡必醇结构的新金萃取剂体系,探讨了其合成工艺。
Hoping for dibutyl carbitol(DBC)through the dehydration of glycol butyl ether, a new highly effective extractant system for gold with structure similar to DBC was synthesized in this paper.
目的研究醚菊酯的合成工艺路线及其对常见卫生害虫杀灭效果。
Objective To study the composition route and efficacy against insects of etofenprox.
介绍了苯醚威的杀虫特点及化学合成方法。
This paper describes characteristics of insect control and method of chemical synthesis of fenoxycarb, an insect growth regulator.
阐述了二甲基硫醚合成反应所用催化剂的选择和反应器中催化剂装填高度的计算。
This paper expounds the selection of the catalyst of the. synthetic reaction of dimethyl sulfide and the calculation of the loading height of the catalyst in the reactor.
本文首次报道一种新的高分子固载季铵树脂的合成及其在水解、成醚反应中的应用,此树脂是一种有效的三相催化剂。
This paper first reports the synthesis and applications in hydrolysis and etherification of a new polymer supported quaternary ammonium resin, which is an effective triphase catalyst.
采用三官能度的聚氧化丙烯醚醇、聚乙二醇,合成了吸水膨胀率在0~200%的聚氨酯弹性体。
Using tri-functionality polyoxytrimethylene alcohol ether and polyethylene glycol, synthetize polyurethane elastomer with water absorption expansion rate of0~200%.
本文合成了分子中含有硫醚基团和另一个基团如羧酸、酯、酰胺的萃取剂。
In this paper several extractants containing a thioether group and another group such as carboxylic acid, ester or amide were synthesized.
研究了无催化剂存在时,溶剂、硫化钠用量、反应时间和反应温度对从氯化苄和硫化钠合成二苄基硫醚的影响。
Effects of solvent, sodium sulfide dosage, reaction time and reaction temperature in syn thesis of dibenzyl sulfide from benzyl chloride with sodium sulfide without catalyst were studied.
介绍了乙二醇单异丁醚的反应机理及原料的摩尔比、反应温度和反应时间等因素对合成反应的影响。
This paper dealt with reaction mechanisms and synthesis and the effects of raw materials mole ratio, reaction temperature and reaction time.
介绍了乙二醇单异丁醚的反应机理及原料的摩尔比、反应温度和反应时间等因素对合成反应的影响。
This paper dealt with reaction mechanisms and synthesis and the effects of raw materials mole ratio, reaction temperature and reaction time.
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