nucleophilic reaction
英
美
亲核反应
双语例句
- Some novel copolyethers containing azo benzene chromophors as side chains have been synthesized by a nucleophilic reaction of various azo dyes with polyepichlorohydrin.
研究了由对硝基苯基偶氮苯类染料与聚环氧氯丙烷经大分子反应合成的含偶氮苯侧基的共聚醚的二阶非线性光学特性。 - Michael reaction is a typical nucleophilic addition reaction, is always an organic chemistry domain research hot spot.
迈克尔反应是一个典型的亲核加成反应，一直是有机化学领域的一个研究热点。 - Theoretical Study on Nucleophilic Addition-Condensation Reaction of Thiosemicarbazide with Aldehyde and Ketone
氨基硫脲与醛酮加成&缩合反应理论研究 - The Regioselective Study of Ethyl Levulinate and Benzaldehyde's Nucleophilic Addition Reaction
乙酰丙酸乙酯和芳醛加成反应区域选择性的研究 - Study of Nucleophilic Substitution Reaction of C-F Bond on a Benzene Ring under Activation of Hydrogen Bond PREPARATION OF CHITOSAN IMMOBILIZED WITH β-CD AT C_6 POSITION BY A NUCLEOPHILIC DISPLACEMENT REACTION
氢键活化的苯环上C-F键的亲核取代反应研究亲核取代法制备壳聚糖6-OH固载环糊精衍生物 - A preferential 1,2 elimination reaction of syn diethyl ( 2-acetylamino-1-bromo-2-( p-methoxy-phenyl) ethyl) phosphonate 1 rather than the anticipated nucleophilic substitution reaction under basic conditions is described in the present paper.
报道了在碱性条件下，顺（2-乙酰胺基-1-溴-2-（对-甲氧基苯基）乙基）膦酸二乙酯进行的是-1,2-消除反应而不是所期望的亲核取代反应。 - N-Butyl benzoate was synthesized with sodium benzoate and n-butyl bromide as starting materials through nucleophilic substitution reaction in the presence of catalyst of tetrabutyl ammonium bromide under microwave irradiation.
研究了在四丁基溴化铵催化下，采用微波辐射由苯甲酸钠和溴代正丁烷发生亲核取代反应合成苯甲酸正丁酯。 - Solvent's Influence on Nucleophilic Substitution Reaction's Rate
溶剂对亲核取代反应速率的影响 - Study on Thermokinetics of the nucleophilic addition reaction for cyclohexanone with semicarbazide
环己酮与氨基脲的亲核加成反应的热动力学研究 - Through the steps such as nucleophilic reaction, filtration, dilution, extraction and vacuum distillation, the 2-( 2,2,2-trifluoroethoxy) nitrobenzene is separated from crude product.
经亲核反应、过滤、稀释、萃取和减压蒸馏等后处理手段，将2-（2，2，2-三氟乙氧基）硝基苯从粗品中分离出来。 - Four new dyes with thio group substitution in the central position were synthesized from the parent dye by nucleophilic substitution reaction.
在母体染料的中位用含-SH基团试剂亲核取代，衍生合成了四个中位硫取代衍生染料。 - The calculated results show that DMB is activity to get electron, and the carbon in the aldehyde group is the nucleophilic reaction site.
计算结果表明：DMB分子容易得到电子，且醛基上的碳原子是亲核反应的作用点。 - METHODS: Electrophilic substitution, reduction, oxidation and nucleophilic addition reaction were used in the synthesis of title compounds.
方法：通过亲核取代、还原、氧化、亲核加成等反应得到目的化合物。 - High Selective Nucleophilic Substitution Reaction of 4,4 ′-bipyridine Under Solvent-free Conditions
无溶剂4,4′-联吡啶高选择性亲核取代反应 - Effects of Ambident Nucleophiles in the Nucleophilic Substitution Reaction
两可亲核试剂在亲核取代反应中的作用 - The Nucleophilic Reaction of Tanshinone ⅱ A with Ethylamine
丹参酮ⅡA与乙胺的亲核反应 - Study of nucleophilic acylation reaction(ⅰ)& synthesis of aryl ketones using benzoin as benzoyl anion equivalent
亲核酰化反应之研究（I）&苯偶姻作为苯甲酰负离子的等效剂合成芳酮 - In this paper, the recent progress of organic reactions in aqueous media, such as condensation reaction, nucleophilic substitution reaction, cycloaddition reactions, Barbier-type and multi-component reaction, and their applications are reviewed.
本文综述了近年来对水介质中的有机反应的研究成果，包括缩合反应、亲核加成反应、环加成反应、Barbier反应和多组分反应等，及其在有机合成中的应用研究进展。 - Preparation of REM resin and Application on nucleophilic additional reaction
REM树脂的制备及亲核加成应用研究 - A series of star siloxane-terminated oligomers containing 1,1,1-trihydroxylmethylpropane ( TMP) and polycaprolactone triol ( PCL), i.e. TPSi-A, TPSi-B and TPSi-C were directly synthesized via OH and NCO nucleophilic addition reaction.
利用OH与NCO的亲核加成反应，直接合成了星型硅氧烷封端的1,1,1-三羟甲基丙烷（TMP）-聚己内酯三元醇的系列复合低聚物TPSi-A，TPSi-B和TPSi-C。 - At the same time, discuss about the impact factor to nucleophilicity such as the number of attract electron group 、 ability of attract electron and the nucleophilic substitution reaction part.
并且对亲核试剂的体积效应、溶剂效应对亲核性影响，底物上吸电子基团的数目、吸电子能力对亲电性的影响，以及亲核取代反应的发生部位受哪些因素影响进行探讨。 - AS the hydrolysis rate of cypermethrin was increased with the raising of pH and temperature as that of malathion, it proved that the hydrolysis mechanism of cypermethrin, the same as that of malathion, was nucleophilic reaction.
并且发现，氯氰菊酯在水溶液中的水解速率远比马拉硫磷慢，但pH和温度对二者的水解效应相似，证明氯氰菊酯的水解机制与马拉硫磷相同，属于亲核反应。 - Strongly nucleophilic thiol group, we often by nucleophilic reaction to identification it and other amino acids.
基于硫醇基的强亲核性，常常通过一些亲核反应来对其和其他氨基酸进行识别。 - 12 kinds of benzimidazole polymers-poly aromatic benzimidazole were prepared by nucleophilic substitution reaction with fluoride aromatic compounds, and the properties of the two systems were analyzed and compared.
与二氟芳香化合物通过亲核取代反应，制得12种具有新型结构的苯并咪唑聚合物&聚芳基苯并咪唑，并对两个体系的晶型结构、溶解性和热性能进行了分析和比较。 - The oxidation reaction consists of nucleophilic substitution reaction and a-elimination reaction which is the rate-determining step.
氧化反应由亲核取代反应和α-消除反应组成，α-消除反应是反应的速率控制步骤。 - The chloromethylation reaction consists of electrophilic substitution reaction and nucleophilic substitution reaction, the nucleophilic substitution is the rate-controlling step and the hydroxymethyl cation (+ CH20H) is the really effective electrophile.
氯甲基化反应由亲电取代反应和亲核取代反应组成，亲核取代反应是反应的速率控制步骤，羟甲基碳正离子（+CH2OH）；是真正有效的亲电试剂。 - Extending reaction time or temperature is beneficial to the nucleophilic substitution reaction of nitrochlorobenzene.
此时，延长体系的反应时间、提高体系的反应温度都有利于对硝基氯苯的亲核取代反应的进行。 - Hydrolysis of ester groups of HEMA occurred during the nucleophilic substitution reaction and post-processing.
HEMA在亲核取代及后处理过程中，酯键会发生水解，造成侧链上部分双键的丢失。 - Identification of three amino acids, and further by the type of the nucleophilic reaction rate, and can be open cysteine, homocysteine and glutathione distinction, such a reaction type OFF-ON fluorescent probe in the medical biological field has a very good application potential.
进一步通过亲核反应速率的不同，又可以将半光氨酸、高半胱氨酸和谷胱甘肽区别开来。这样一个识别含巯醇基氨基酸反应型OFF-ON荧光探针，在医疗生物领域具有应用潜力。 - Ionic liquid [ BMIM] PF6 can play a catalyst role in nucleophilic substitution reaction.
离子液体[BMIM]PF6可以起到一定的催化剂作用，有利于亲核取代反应的进行。