nucleophilic的例句大全

Route ⅱ, OLL grafted to dextran via its terminal carboxylic acid group with the presence of nucleophilic reagent and coupling reagent.

路线Ⅱ为在亲核试剂及偶合剂的存在下，OLL末端羧基接枝葡聚糖。

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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

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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

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Chapter two is concerned with the syntheses and characterization of some chiral ligands and consists of relevant mechanism of reaction ( for example, N anion acts as nucleophilic reagent and different nitriles act as reacting substance).

第二章讨论了若干手性配体的合成与结构，并包含了相关反应的机理探讨（例如N~-做为亲核试剂、不同的腈作为反应底物）。

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The reactive intermediate of Fenton reagents is a nucleophilic adduct.

Fenton试剂的活性中间体是一亲核加合物，其反应活性及其产物不同于游离态羟自由基的反应活性及产物。

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Electronic effect of nucleophilic additions to α, β-unsaturated aldehyde and ketone

α，β-不饱和醛酮亲核加成的电子效应

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After it was mixed with epoxy resin, transition state was formed first. Then they got on with opening ring reactions according to bimolecular nucleophilic substitution mechanism ( S N2).

它与环氧树脂混合后首先形成过渡状态，然后按双分子亲核取代（SN2）机理进行开环反应。

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The Nucleophilic Reaction of Tanshinone ⅱ A with Ethylamine

丹参酮ⅡA与乙胺的亲核反应

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cesium hydroxide can reaction with organic weak acid to form carbon anion or nucleophilic heteroatom anions. because the static electricity between the cesium ion and anion is weak, so the anions demonstrated strong nucleophilic.

氢氧化铯可以与有机弱酸作用，形成亲核的碳负离子或杂原子负离子，由于铯离子与阴离子之间的静电力较弱，使与之键合的阴离子表现出强的亲核性。

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CO2 usually serves as electrophile in the carboxylation of nucleophilic organometallic reagents to synthesize carboxylic acid and esters.

CO2可作为亲电试剂与碳亲核试剂进行羧化反应制备有机羧酸或羧酸酯。

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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

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Iso-butene and methanol etherification proceeds according to the electrophilic addition mechanism, Iso-butene makes protonation reaction as the proton acceptor under the acid catalyst function, being born the positive carbon ion, intermediate products react rapidly with nucleophilic reagent ( CH3O-) to produce MTBE.

异丁烯在酸性催化剂作用下作为质子的接受体发生质子化反应，生成正碳离子；作为中间产物的正碳离子，再迅速同亲核试剂CH3O-反应，生成MTBE。

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The mechanisms of the hydrolysis were proposed to be unimolecular nucleophilic substitution and bimolecular nucleophilic substitution ( SN2). On the Problem of Bimolecular Nucleophilic Substitution Reaction Sterochemistry

水解反应的可能机理是S Nl和S N2.双分子亲核取代反应立体化学问题释疑

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The activation energy and rate constant of the allylation reaction was calculated in virtue of kinetic study. The kinetics study indicated that the allylation reaction of polyether was second order and its reaction mechanism was SN2 nucleophilic substitution.

进行了动力学研究，获得了反应活化能和各反应温度下的反应速率常数，同时研究结果表明烯丙基化反应级数为2，反应机理为SN2亲核取代反应。

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In the first route, itwas synthesized by cyclization reaction, bromination, condensation, Royer reaction, reduction, nucleophilic substitution ( total six steps) starting from β-phenyl ethanol in5% total yields.

第一条路线以β-苯乙醇为原料，经过环化、溴化、缩合、Royer成环、还原和亲核取代共6步反应合成了SK&F101468A，总收率约为5%；

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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。

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In contrast, electro-withdrawing groups CHO and COCH_ 3 on the attacking site will favor the intramolecular nucleophilic substitution of nitrogen and form 5-membered heterocyclic compounds.

而当R为吸电子基团-CHO、-COCH3时，主要发生分子内氮原子上的亲核取代反应，产物为含氮的五员杂环化合物。

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Recent progress on Vicarious nucleophilic substitution reaction

Vicarious亲核取代反应研究进展

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A New Mechanism of Nucleophilic Substitution Reactions for Alkyl Halides& S_ ( RN) 1

卤代烷亲核取代反应的一种新机理&S（RN）1

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Comparing the~ ( 31) PNMR,~ ( 13) C NMR and DEPT of reactant with those of ring-opening products, we reached the conclusion that the nucleophilic opening ring occurred at the terminal carbon having less stereo-hindrance.

通过比较反应物和产物31PNMR，13c NMR及DEPT，得出了开环反应是发生在五元环的端碳原子上。

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