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- Many groups can be added by nucleophilic substitution on a diazonium salt. 许多基团可通过向得自胶的重氮盐作亲核取代而加以导入。
- Abstract Quaternarization is an important SN2 nucleophilic substitution reaction;solvent has remarkable effect on it. 摘要 季铵化反应是一类重要的SN2亲核取代反应，溶剂对该反应的影响很显著。
- A series of various thioether moiety content PEEKK copolymers were synthesized through nucleophilic substitution route. 首先将通过亲核取代反应制备了一系列不同硫醚含量的聚合物，以及硫醚含量相同但连接方式不同的聚合物，结构表征证明这些聚合物具有相近的分子量。
- Aromatic compounds are easy to take place nucleophilic addition and nucleophilic substitution. 带有吸电子基团的芳环容易与亲核试剂发生亲核加成或亲核取代反应。
- By comparing VNS with the electrophilic substitution and nucleophilic substitution of nitro aromatic, the definition of VNS is explained. 通过对竞比实验、速控步骤和动力学同位素效应的分析,解释了VNS的反应机理;
- The chiral HMPA analogues 1 and 2 were prepared in high yield by nucleophilic substitution between the chiral secondary amine and phosphoryl chloride. 以磷酰氯为原料通过与手性仲胺的亲核取代反应高产率地合成了手性HMPA类似物。
- Methods Starting from anisole,liarozole was synthesized by Friedel-Crafts(acylation,)nitration,nucleophilic substitution,reduction and cyclization. 方法以苯甲醚为起始原料,经傅克酰基化、硝化、取代、还原、环合等7步反应得到目标化合物利阿唑。
- Two new polyorganophosphazenes containing carbazolyl side groups were obtained from poly((dichlorophosphazene)) via nucleophilic substitution reaction. 利用聚氯磷腈的亲核取代反应合成了2种咔唑全取代的有机聚磷腈高分子材料,对其结构进行了表征。
- According to previous research work, the sulfoacetic acid disodium salt was synthesized by a nucleophilic substitution reaction in this paper. 本论文在总结前人研究工作的基础上,采用亲核取代反应合成了磺酸乙酸钠。
- Conclusions microwave irradiation to nucleophilic substitution of arommatic compounds has striking catalystic atction, It shows that the y... 结论微波辐射对芳香族的亲核取代反应有显著的催化作用,能高效、简便、经济地合成除草醚。
- The detection of 2-methylcyclohexane in the HDN of MCHA explains the C(sp3)-N bond cleavage showing that MCH is formed via nucleophilic substitution of the amine group of MCHA. 通过检测MCHA中的甲基环己烷(MCH)，解释C(sp~3)-N键断裂是由于MCHA中的胺基被亲核取代。
- Vicarious nucleophilic substitution (VNS) of hydrogen is a new type of reaction which is differ-ent from the usual electrophilic and nucleophilic reactions of the nitro arenes. 氢的替代亲核取代反应(VNS)是与硝基芳环的亲电反应、亲核反应不同的一种新反应.;将VNS与硝基芳环的亲电反应、亲核反应做比较;阐述了VNS的定义;
- Starting from 2-bromopropionic acid,tiopronin was synthesized via chloronation,condensation,nucleophilic substitution and deprotection,and the total yield was 47.9 %. 以廉价易得的2-溴丙酸为起始原料;依次经过氯代;缩合;亲核取代及脱保护反应制备了硫普罗宁;总收率为35.;7%25。
- Two series of sulfonated poly (ether ether ketone) s based on tert-butylhydroquione and o-methyl-hydroquione were synthesized via aromatic nucleophilic substitution reaction. 摘要以特丁基对苯二酚和邻甲基对苯二酚分别制备两个系列磺化聚醚醚酮。
- Moclobelide was synthesized from ethanolamine by nucleophilic substitution and Schotten-Baumann reaction, followed by condensation with anoverall yield of 71.2%. 摘要以乙醇胺为起始原料，经亲核取代、肖特-鲍曼反应和缩合反应制得吗氯贝胺，总收率可达71.;2%25。
- Moclobelide was synthesized from ethanolamine by nucleophilic substitution and Schotten-Baumann reaction,followed by condensation with anoverall yield of 71.2%. 以乙醇胺为起始原料;经亲核取代、肖特一鲍曼反应和缩合反应制得吗氯贝胺;总收率可达71.;2%25。
- Sixteen different thioxanthonecarboxylic acids and their derivatives were prepared by aromatic nucleophilic substitution, intramolecular acylation and esterification. 经过亲核取代、分子内酰化和酯化等反应，合成了16个不同结构的硫杂蒽酮羧酸及其衍生物。
- Two series of sulfonated poly(ether ether ketone)s based on tert-butylhydroquione and o-methylhydroquione were synthesized via aromatic nucleophilic substitution reaction. 以特丁基对苯二酚和邻甲基对苯二酚分别制备两个系列磺化聚醚醚酮。
- Starting from 2-bromopropionic acid, tiopronin was synthesized via chloronation, condensation, nucleophilic substitution and deprotection, and the total yield was 47.9 %. 摘要以廉价易得的2-溴丙酸为起始原料，依次经过氯代，缩合，亲核取代及脱保护反应制备了硫普罗宁，总收率为35.;7%25。
- The results showed that o-nitro aryl ethers containing nitro group(-NO2)would become unstable in the alkaline medium,and nucleophilic substitution was easy to take... 发现邻硝基苯氧丙酸亲核取代的异常情况,推测可能是分子内邻基参与的亲核取代反应。
