1) nucleophilic substitution
亲核性取代
2) Nu
亲核
1.
To study using trimethyamine as nucleophilic catelyst, quaternary ammonium compound "A" as phase transfer catelyst(P.
研究了以三甲胺作亲核催化剂、季铵盐A作相转移催化剂、水和极性有机溶剂B作双溶剂、亲核—相转移复合催化法合成对硫磷的方法,收率可达99％。
3) nucleophilic reaction
亲核取代
1.
Polyether ether ketones are prepared by the nucleophilic reaction of hydroquinone with 4,4'-difluorodibenzophenone using diphenylsulfone as solvent in the presence of anhydrous K_2CO_3/Na_2CO_3;the effect of the reaction temperature on molecular weights is discussed.
采用付氏烷基化法,以氟苯、四氯化碳为原料,无水三氯化铝为催化剂,合成单体4,4’-二氟二苯甲酮;再以二苯砜为溶剂,在无水碳酸钾/碳酸钠的催化下,通过对苯二酚与4,4’-二氟二苯甲酮进行亲核取代反应,合成了聚醚醚酮(PEEK),并探讨了反应温度对相对分子质量的影响。
2.
Polyether ether ketones were prepared by the nucleophilic reaction of hydroquinone with 4,4'-difluorobenzophenone using diphenylsulfone solvents in the presence of anhydrous K_2CO_3/Na_2CO_3,of which inherent viscosity was 0.
以二苯砜为溶剂,在无水碳酸钾/碳酸钠的催化下,通过对苯二酚与4,4'-二氟二苯甲酮进行亲核取代反应,合成了特性黏度为0。
3.
Polyether ether ketone ketone was prepared by the nucleophilic reaction of hydroquinone with 1,4-bis (4-fluorbenzoyl)-benz.
以二苯砜为溶剂,在无水碳酸钾/碳酸钠的催化下,以P,P-BFB为单体与对苯二酚进行亲核取代反应合成了特性粘度为0。
4) nucleophilic group
亲核基团
1.
Using lsopropyl amine,p-methyl-phenol and methanol for simulating the amino,phenol and hydroxyl groups of silk fibroin respectively,the reaction of monochlorotriazine reactive dyes with nucleophilic groups of silk fibroin was studied with high-performance liquid chromatography(HPLC).
用异丙胺、对甲酚和甲醇分别模拟蚕丝丝素上氨基、酚羟基和醇羟基,应用高效液相色谱(HPLC)研究一氯均三嗪型活性染料与蚕丝亲核基团的反应性能。
5) nucleophilic substitution
亲核取代
1.
Significantly enhanced reactivities of the nucleophilic substitution reactions induced by microwaves in ionic liquids;
离子液体作为微波吸收剂用于促进亲核取代反应
2.
Solvent's Influence on Nucleophilic Substitution Reaction's Rate;
溶剂对亲核取代反应速率的影响
3.
The nucleophilic substitution reaction of 2-aryloxyl-4-chloro pyrimidy with sodium allylalconol;
烯丙醇钠对2-芳氧基-4-氯嘧啶的亲核取代反应
6) Nucleophile
亲核试剂
1.
Effect of N-Containing Nucleophiles on IB Carbocationic Polymerization(III) --Effect of Hexpyridine and the Mechanism of Nucleophiles;
含氮类亲核试剂对异丁烯阳离子聚合的作用(III)——六氢吡啶的作用及其含氮类亲核试剂作用机理
2.
Effect of N-Containing Nucleophiles on IB Carbocationic Polymerization(I) ——Effect of Triethylamine on IB Carbocationic Polymerization;
含氮类亲核试剂对异丁烯阳离子聚合的作用(Ⅰ)——三乙胺对以四氯化钛为共引发剂阳离子聚合的作用
3.
Effect of N-Containing Nucleophiles on IB Carbocationic Polymerization(II) --Effect of Aniline Derivative on IB Carbocationic Polymerization;
含氮类亲核试剂对异丁烯阳离子聚合的作用(II)——苯胺衍生物对异丁烯阳离子聚合体系的作用
参考词条
补充资料：亲核性
分子式：
CAS号：
性质：某物质含有提供电子对的原子或原子团，在反应中表现出给电子特性。凡有亲核物质参加的反应，均为亲核反应。如亲核催化，即亲核基团对某一化合物起作用并置换一个敏感基团，然后，在此离去集团的位置上与此化合物以共价键相结合的反应。
CAS号：
性质：某物质含有提供电子对的原子或原子团，在反应中表现出给电子特性。凡有亲核物质参加的反应，均为亲核反应。如亲核催化，即亲核基团对某一化合物起作用并置换一个敏感基团，然后，在此离去集团的位置上与此化合物以共价键相结合的反应。
说明：补充资料仅用于学习参考，请勿用于其它任何用途。