重氮化反应,diazotization
1)diazotization[英][dai,?z?ti'zei??n][美][da?,?z?t?'ze??n]重氮化反应
1.The appropriate temperature of diazotization was-10~-5℃,and the diazotizating fluoborate was decomposed in petroleum ether to get 2-chloro-3-fluoropyridine with 64% yield.以2-氯-3-氨基吡啶为原料,在40%(质量分数)的氟硼酸溶液中,采用饱和的亚硝酸钠为重氮化剂,在-10~-5℃下进行重氮化反应制得重氮盐,在石油醚中热分解得到2-氯-3-氟吡啶,收率为64%。
2.Combining the practice of producing and teaching starting with analyzing diazotization mechanism,in this article.阐述了糖精钠生产中重氮化反应中重氮化剂的选择、反应的特点、重氮化方法、重氮基的转化。
3.p Fluorophenol is synthesized from WTBXp fluoroaniline through diazotization method.在稀硫酸溶液中进行重氮化反应制得重氮盐后,采用反应蒸馏的工艺技术,将得到的重氮盐溶液滴加到沸腾的酸性介质中水解,在进行水解的同时将产物对氟苯酚蒸馏使其离开反应体系,从而大大提高了产物收率。
英文短句/例句

1.Experimental study on aniline diazotization without cooling in a spiral reactor无冷却螺旋管式苯胺重氮化反应工艺试验研究
2.Solvation Effect in S_N Reaction of Diazodenitrogenation;重氮去氮反应在S_N中的溶剂效应
3.On The Heavy Nitrogen Sensitization GlueThat Silk-Screen Printing Makes A Plate and Its Photochemical Reaction Mechanism;丝网印刷制版重氮感光胶及其光化学反应机理
4.Study On Colour Reactions of 4,4 -Biozobenzenediazoaminoazobene with Cationic Surfactants and Its Application;4,4 -对偶氮苯重氮氨基偶氮苯与溴化十六烷基三甲铵显色反应的研究及应用
5.Synthesis of α-Sialon by High Temperature Nitridation Reaction高温氮化反应制备α-Sialon
6.Transition Metal-catalyzed Reaction of α-Diazo Carbonyl Compounds and Alkynes;过渡金属催化的α-重氮羰基化合物以及炔烃的反应研究
7.Theoretical Investigations on the Mechanisms for Reactions of NO_2 with Several Important Radicals;几种重要自由基与二氧化氮反应机理的理论研究
8.Studies of Novel Reactions of Diazophosphonate with Aldehydes, Ketone or Imines Catalyzed by Dirhodium(Ⅱ) Complexes;铑(Ⅱ)催化重氮膦酸酯与醛、酮及亚胺的分子间新型反应研究
9.Rh(Ⅱ) and Zr(Ⅳ) Co-catalyzed Multi-component Reaction of Aryldiazoacetate,Benzalcohol and Aldehyde铑(Ⅱ)和锆(Ⅳ)共同催化的重氮乙酸酯,苄醇和醛的多组分反应
10.Copper(Ⅱ) Trifluoromethanesulfonate Catalyzed Insertion Reaction of Methyl Styryldiazoacetate and Arylamines三氟甲磺酸铜(Ⅱ)催化的苯乙烯基重氮乙酸甲酯和芳胺的插入反应
11.Lewis Acid Catalyzed Three-component Reaction of Methyl Phenyldiazoacetate,Benzyl Alcohol and N-methylisatin路易斯酸催化苯基重氮乙酸甲酯,苄醇和N-甲基靛红三组分反应
12.Spectraphotometric Determination of Copper with 4,4 - Biazobenzenediazoaminobenzene;4,4’-二偶氮苯重氮氨基苯与铜的显色反应
13.The Color Reaction of 4,4 -Biazobenzenediazoaminobenzene with Nickei;4,4′-二偶氮苯重氮氨基苯与镍的显色反应
14.On the Reaction between Nitrous oxide Nitrogen dioxide Sodium peroxide;过氧化钠与一氧化氮、二氧化氮反应探究
15.Research on the Nitration by Dinitrogen Pentoxide;五氧化二氮在硝化反应中的应用研究
16.Study on the New Reaction of Enamines with Aryldiazoacetates;烯胺与芳基重氮乙酸酯的新反应研究
17.Study on Reaction Mechanism of Reactive Ball Milling of Ti with Urea to Prepare TiN Powder反应球磨钛与尿素制备氮化钛的反应机理研究
18.Study on the OGO Process for Simultaneous Nitrification and Denitrification;OGO反应系统同时硝化反硝化脱氮试验研究
相关短句/例句

diazotization reaction重氮化反应
3)diazo reaction重氮化反应
1.The method to determine the primary amino content in the polymethylene polyphenyl polyamine through the quantitative diazo reaction of primary amino and nitrous acid was researched.研究了利用伯胺基与亚硝酸定量发生重氮化反应测定多苯基多次甲基多胺中伯胺基含量的方法,确定了最佳测定工艺条件,其分析结果的最大相对误差及相对平均偏差在0。
4)Diazo-reaction重氮化反应
1.The method is based on the diazo-reaction between nitrite ion and fuchsin acid in a hydrochloric acid medium.研究了在酸性介质中,NO2-与酸性品红发生重氮化反应,致使酸性品红的荧光强度随NO2-加入量增加而明显降低的现象,建立了荧光熄灭法测定痕量NO2-新方法。
5)diazotization-coupling reaction重氮化-偶联反应
1.Application and study on resonance scattering spectra of diazotization-coupling reaction;亚硝酸根重氮化-偶联反应共振散射光谱测定
6)Diazotization-coupling重氮化偶联反应
延伸阅读

重氮化反应重氮化反应diazo-reaction一级胺与亚硝酸在低温下作用生成重氮盐的反应。例如: