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。
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。
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。
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。
Aromatic Nucleophilic Addition and Substitution Reaction of Electron-deficient Benzene;
缺电子苯环的亲核加成与亲核取代反应
Amines can engage in nucleophile substitution reaction with alky.
胺能参加与卤代烷的亲核取代反应。
bimolecular nucleophilic substitution with allylic rearrangement
含烯丙型重排双分子亲核取代
Theoretical Study of Nucleophilic Substitution at Sulfur and Oxygen;
氧，硫原子上亲核取代反应的理论研究
Synthesis of 3-Thienylmalonic Acid and Nucleophilic Reaction of Aryl Halides;
3-噻吩丙二酸的合成及卤代芳烃亲核取代反应
The Study on Nucleophilic Substitution Reaction of Perchlorinated Fullerene Fragments;
全氯代富勒烯碎片的亲核取代反应初探
A stepwise nucleophilic displacement involving 36 was highly unlikely.
涉及（36）的这种逐步亲核取代是不大可能的。
DFT Study of Nucleophilic Substitution at Sulfur
硫原子上亲核取代反应的密度泛函理论研究
Theoretical Study on the Nucleophilic Substitution Reaction of Pseudohalogen Ion and Ion Pair at Carbon;
类卤离子及离子对亲核取代反应的理论研究
Theoretical Study on the Bimolecular Nucleophilic Substitution Reaction at Nitrogen;
氮原子上双分子亲核取代反应的理论研究
Study of Nucleophilic Substitution Reaction of C-F Bond on a Benzene Ring under Activation of Hydrogen Bond
氢键活化的苯环上C-F键的亲核取代反应研究
PREPARATION OF CHITOSAN IMMOBILIZED WITH β-CD AT C_6 POSITION BY A NUCLEOPHILIC DISPLACEMENT REACTION
亲核取代法制备壳聚糖6-OH固载环糊精衍生物
Studies on the Aromatic Nucleophilic Substitution Reactions of Halogenobenzene and Their Reaction Mechanisms;
卤代苯的芳香亲核取代反应及其反应机理的探讨
The nucleophilic aromatic substitution for hydrogen reaction is an environmentally benign organic synthesis reaction.
芳香亲核取代氢反应是一种环境友好的有机合成反应。
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。
Theoretical Study of Intramolecular Nucleophilic Substitution on Nitrogen and Tautomerism of 2-Aminothiazole;
分子内氮原子上亲核取代反应以及2-氨基噻唑异构化的理论研究
The Research of New Synthetic Methodologies of Fe (Ⅲ) Catalyzed Nucleophilic Substitution of Propargylic Acetates;
铁（Ⅲ）试剂催化的乙酸炔丙酯亲核取代反应的新方法学研究
Fluorination of the chlorohydrocarbon is substitution nucleophilic unimolecular. This fluorinated reaction is decided by the stability of intermediate R+.
氯代烃的氟化是单分子亲核取代反应,其氟化反应的进程决定于中间体R+稳定性。