nucleophilic
nucleophilic
1. The synthsized six kinds of quat ernary ammo nium salts show good phase transfer catalysis and certain effcet of asymmetric i nduction in nucleophilic addition of benzaldehyde with chloroform.
6种手性季铵盐对苯甲醛与氯仿的亲核加成反应,显示出良好的相转移催化作用和一定的不对称诱导效应.
2. mechanism of unimolecular nucleophilic substitution
[化] S-N1机理; 单分子亲核取代反应机理
3. mechanism of bimolecular nucleophilic substitution
[化] S-N2机理; 双分子亲核取代反应机理
4. mechanism of internal nucleophilic substitution
[化] SNi机理; 分子内部亲核取代反应机理
5. nucleophilic addition(Adn)
[化] 亲核加成
6. bimolecular nucleophilic substitution (with allylic rearrangement)
[化] 双分子亲核取代(含烯丙型重排)
7. mechanism of nucleophilic addition to ethylenic bond
[化] 烯键亲核加成反应机理
8. mechanism of nucleophilic addition to carbonyl group
[化] 羰基亲核加成反应机理
9. Keywords one-carbon unit transfer;nucleophilic attack;proton transfer;
一碳单元转移;亲核进攻;质子转移;
10. Keywords Triazole;Dibromide;Nucleophilic substitution reaction;Biological activities;
三唑;二溴化物;亲核取代反应;生物活性;
11. Keywords aminotriazole;nucleophilic reactions;substitution reaction;reaction kinetics;reaction mechanism;
三唑胺;亲核反应;取代反应;反应动力学;反应机理;
12. Keywords 2;2-Trifluoroethyl halides;Radical nucleophilic substitution of alkyl halides;Carbanion;
三氟卤乙烷;自由基亲核取代反应;碳负离子;
13. Keywords unsaturate alkane compound;nucleophilic reaction;triple bond;double bond;active intermediate;
不饱和烃化合物;亲核加成反应;叁键;双键;活性中间体;
14. Keywords Ambident nucleophilic reagents;nucleophilic substitution reation;
两可亲核试剂;亲核取代反应;
15. Keywords ambident nucleophiles;solvent effect;nucleophilic substitution reaction;alkyl outcome;
两可亲核试剂;溶剂效应;亲核取代反应;烷基化产物;
16. 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
17. Keywords dithiocarbamate, cyanoethylation, collector, carbon disul-fide, N-alkylation, nucleophilic addition;
二硫代氨基甲酸盐（酯）;氰乙基化反应;亲核加成反应;捕收剂;二硫化碳;N烷基化;
18. Keywords dithiocarbamates;sodium hydrogen selenide;nucleophilic property.;
二硫代氨基甲酸酯;硒氢化钠;亲核能力;
19. Keywords 4;4'-bis（chloromethyl）biphenyl;nucleophilic substituted reaction;hydrolysis;4'-bis（hydroxymethyl）biphenyl;
二（氯甲基）联苯;亲核取代;水解反应;4’-二（羟甲基）联苯;
20. nucleophilic center
亲核中心
21. nucleophilic catalyst
亲核催化剂
22. nucleophilic catalysis
亲核催化酌
23. nucleophilic molecule
亲核分子
24. nucleophilic agent
亲核剂
25. nucleophilic addition
亲核加成
26. nucleophilic atom localization energy
亲核原子定域能
27. nucleophilic reaction
亲核反应
28. nucleophilic reactivity
亲核反应性
29. nucleophilic substitution
亲核取代
30. Keywords nucleophilic substitution;intermediate;electronic effect;
亲核取代;中间体;电子效应;
31. nucleophilic substitution reaction
亲核取代反应
32. Keywords Nucleophilic Substitution reaction;2,4-difluoronitrobenzene;Fluorophenol;Intermediate of liquid crystal;Alkylcyclohexylbenzoic acid;3-Butenal diethyl acetal;
亲核取代反应;2;4-二氟硝基苯;氟代苯酚;烷基环己基苯;液晶材料中间体;3-丁烯醛缩二乙醇;
33. Keywords nucleophilic substitution activity;refractive inder;
亲核取代反应;活性强弱;折光率;
34. nucleophilic group
亲核基团
35. nucleophilic opening ring
亲核开环
36. nucleophilic effect
亲核性效应
37. nucleophilic aromatic substitution
亲核性芳香取代
38. nucleophilic rearrangement
亲核换位
39. nucleophilic attack
亲核攻击
40. Nucleophilic radiofluorination
亲核放射氟化
41. nucleophilic displacement
亲核置换
42. nucleophilic aromatic substitution reaction
亲核芳香取代反应
43. nucleophilic reagents
亲核试剂
44. nucleophilic superdeloca lizability
亲核超离域度
45. Keywords electrophilic and nucleophilic reaction;copolymerization;lowest melting point;
亲电;亲核反应;共聚;最低共熔点;
46. 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%。
47. The rule and the feature for aromatic nucleophilic substitution reaction were studied,based on the relationship between its structure and activity.The electronic effect on the reaction was discussed.
以结构与活性关系为主线，深入研究了芳香亲核取代反应的规律和特点以及反应中的电子效应的作用及其影响.
48. internal nucleophilic substitution
分子内亲核取代
49. Keywords intramolecular nucleophilic substitution;elimination;2-aminothiazole;tautomerism;proton transfer;solvent effect;NICS;TDDFT;
分子内亲核取代;消去反应;2-氨基噻唑;互变异构;质子迁移;溶剂化效应;NICS;TDDFT;
50. Nucleophilic rearrangement in molecular
分子内亲核重排反应
51. Theoretical Study of Intramolecular Nucleophilic Substitution on Nitrogen
分子内氮原子上亲核取代反应的理论研究
52. The regioselectivity of intramolecular nucleophilic ring opening reaction of aziridines is controlled by the ring size of products, fivemembered ring> six-membered ring> seven-membered ring.
分子内的亲核开环反应主要受成环时环大小的控制，成环时的倾向是五元环＞六元环＞七元环。
53. A study of reaction mechanism of the nucleophilic reagent in the cationic polymerization of isobutene with molecular simulation
分子模拟法研究亲核试剂在异丁烯正离子聚合反应中的作用机理
54. The first is extremely resistant to nucleophilic reagents.
前者极端地阻抗亲核试剂。
55. The kinetic analysis illustrates that the hydrolysis of phosphomonoester experiences a bifunctional catalytic process including double Lewis acid activation and intramolecular nucleophilic attack.
动力学分析表明，磷酸单酯的催化水解经历了双路易斯酸活化和分子内亲核进攻的双功能催化机理。
56. Keywords Hexadecanol;1-Bromohexadecane;nucleophilic substitution;bromination;
十六醇;1溴十六烷;亲核取代;溴代反应;
57. substitution nucleophilic unimolecular
单分子亲核取代
58. substitution nucleophilic bimolecular
双分子亲核取代
59. Keywords bimolecular nucleophilic displacement, nitrogen atom, reaction mechanism, density functional theory（DFT）;
双分子亲核取代;氮原子;反应机理;密度泛函;
60. bimolecular nucleophilic substitution
双分子亲核取代反应
61. Keywords Bis（trichloromethyl）carbonate;nucleophilic substitution;synthesis;
双（三氯甲基）碳酸酯;亲核取代;应用;
62. 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。
63. Keywords N-substituted nitrogen squaric acid;n-butyl nitrogenoxosquarate;ammonolysis of ester;crystal structure;substituted nucleophilic reaction;chemistry of squaric acid;
取代氮方酸;氮氧方酸正丁酯;酯的胺解;晶体结构;亲核取代;方酸化学;
64. Bimolecular nucleophilic substitution with allylic rearrangement
含烯丙型重排双分子亲核取代
65. Keywords carbazole;polyphosphazene;nucleophilic substitution;
咔唑;聚磷腈;亲核取代;
66. Keywords thiadiazole;nucleophilic addition;fungicidal activity;
噻二唑;亲核加成;抗菌活性;
67. In the substitution reaction of nucleophilic, whatever we use S_N1 or S_N2 reaction course, the rate of reaction is the most rapid.
在亲核取代反应中;无论按S_N1历程还是S_N2历程,烯丙式卤代烃的反应速度都是最快的。
68. A novel diallyl-diphenol and a novel PAES with di-propylene pendant units are prepared by aromatic nucleophilic condensation.
在原有聚芳醚砜热稳定性好，抗热氧化能力强等优点的基础上，由于此类聚芳醚砜的聚合后可交联，交联前可溶解于廉价的工业溶剂的特点；
69. The Effect about the Structure of Aldehyde and Ketone in the Carbonyi Nucleophilic Addition Activity
在羰基亲核加成反应活性中醛、酮的结构所起的作用
70. Modification of Anthraquinone Dyes based on Nucleophilic Substitution
基于亲核取代蒽醌染料的改性
71. Based on these results and the ESI-MS data, the mechanism of sulfoxidation was proposed to be intramolecular nucleophilic oxygen transfer to a coordinated sulfide.
基于这些结果和电喷雾质谱(ESI-MS)数据，亚砜化反应的机理推测为分子内亲核氧转移到络合的硫醚底物上。
72. Keywords chitosan;chitin;degree of deacetylation;nucleophilic substitution;overall reaction model;
壳聚糖;甲壳素;脱乙酰度;亲核取代;整体反应模型;
73. Keywords multiple-walled carbon nanotubes;brominated;octadecanol;nucleophilic substitution;mechanism;
多壁碳纳米管;溴代;十八醇;亲核取代;机理;
74. Keywords polychlorobiphenyl;destruction;nucleophilic substitution;
多氯联苯;破坏;亲核取代;
75. 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(SN2).
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。
76. The experiment consist of two parts :the first one research nucleophilic addition of m-dinitrobenzene, nucleophilic reagent is benzyl cyanide;
实验分为两部分：第一部分研究了间二硝基苯的亲核加成反应，亲核试剂为苄基腈；
77. Keywords room temperature ionic liquid;aromatic nucleophilic substitution;thiophenol;unsymmetrical sulfides;
室温离子液;芳香族亲核取代反应;硫酚;不对称硫醚;
78. Aromatic nucleophilic substitution of aromatic halides with thiophenol in ionic liquid
室温离子液中芳香族亲核取代反应的研究
79. Keywords p-nitro aryloxy carboxylic acid;Nucleophilic substitution;p-nitrophenoxy propionic acid;Neighboring group participation;Etherbond cleavage;
对硝基芳氧酸;亲核取代;对硝基苯氧丙酸;邻基参与;醚键断裂;
80. 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。
