单溴代反应,Monobromination英语短句,例句大全

单溴代反应,Monobromination
1)Monobromination单溴代反应
1.Monobromination of Primary Arylamines by NBS-DMF System;N－溴代丁二酰亚胺－二甲基甲酰胺系统对芳伯胺的单溴代反应
2)bromination['br?uminei??n]溴代反应
1.Ethyl 4 bromo 2 butenoate,a medicine intermediate,was prepared using 2 butenoic acid as main raw material through esterification and bromination reactions.以 2 丁烯酸为原料 ,通过酯化和溴代反应研制了药物中间体 4 溴 2 丁烯酸乙酯。

英文短句/例句

1.The bromine-addition of diosgenin-3β-acetate and the regioselective debromination of its brominated by-product 5,6,23-tribromodiosgenin-3β-acetate薯蓣皂甙元乙酸酯溴代反应及其溴代产物的选择性脱溴
2.This bromination was unambiguous.这一溴代反应是明确无疑的。
3.Study on the bromination reaction of 2-methyl-4-arylthiazole2-甲基-4-芳基噻唑的溴代反应研究
4.Study on Chemiluminescence from Reactions of F Atom with Bromine Substitute Methane氟原子与溴代甲烷反应化学发光研究
5.Improvement on Bromoted Reaction Equipment of Benzene;苯与溴取代反应演示实验装置的改进
6.Thiophene reacted with bromine and zinc to produce 3-bromothiophene via substitution and reduction reaction.噻吩与溴、锌粉依次发生取代,还原反应生成3-溴噻吩。
7.Applications of vinyl bromides in metal-catalyzed cross-coupling reactions溴代烯烃在金属催化偶联反应中的应用
8.METHODS By this method, iodomethane was replaced with bromoethane.方法以溴乙烷替代碘甲烷进行烷基化反应。
9.Study on the Synthesis of Lactone via Copper-Catalyzed Coupling of Bromoenoic Acid;亚铜催化的溴代烯酸分子内偶联反应的研究
10.Study on the Synthesis of Lactones Via Copper-Catalyzed Intramolecular Coupling of Bromoenoic Acids;亚铜催化的溴代羧酸分子内偶联反应的研究
11.The Copper-Catalyed Intramolecular C-S Coupling of Vinyl Bromides;亚铜催化的分子内溴代烯烃的Ullmann C-S偶联反应
12.Bromination takes place less readily.溴化反应较不易发生。
13.Studies on Halogenated Pyrroles I. Bromination of 1,5-Di (p-Chlorophenyl) -2-methylpyrrole卤代吡咯的研究 Ⅰ.1,5-双-(对-氯苯基)-2-甲基吡咯的溴化反应
14.Resin 1 reacted firstly with ethyl bromoacetate to yield polymer-supported acetate (2).树脂1首先与溴代乙酸乙酯反应生成聚合物支载的乙酸酯（2）。
15.The Study on the Reactions of α,β-Unsaturated Ketones with α-Bromoacetamides Induced by Zinc;锌诱导α，β-不饱和酮与α-溴代乙酰胺反应的研究
16.Study of the Photooxidation of Benzyl Polycyclic Hydrocarbens with N-Bromosuccinimide;含活泼亚甲基多环芳烃与N-溴代丁二酰亚胺的光氧化反应研究
17.Studies on the Reaction of Phenacyl Bromide with 2,3-Diaminomaleonitrile Promoted by Dimethyl Sulfoxide二甲亚砜存在下α-溴代苯乙酮与2,3-二氨基马来腈的反应研究
18.Preparation of Alkyl Functionalized Multi-walled Carbon Nanotubes Using the Esterification of Bromoalkane and Carboxyl Group通过溴代烷烃和羧基的酯化反应制备烷基改性的多壁碳纳米管

相关短句/例句

bromination['br?uminei??n]溴代反应
1.Ethyl 4 bromo 2 butenoate,a medicine intermediate,was prepared using 2 butenoic acid as main raw material through esterification and bromination reactions.以 2 丁烯酸为原料 ,通过酯化和溴代反应研制了药物中间体 4 溴 2 丁烯酸乙酯。
3)bromide reaction溴代反应
1.When ethano1 was applied as an substitute of mixture of ethyl acetate-ch1oroform as so1vent,the results showed that it could change this bromide reaction from non-homophase.研究结果表明:利用乙醇作为反应溶剂使4-乙酰基愈创木酚-[α-13C]的溴代反应成为均相反应,溴代产物的产率可提高到90%以上。
4)Bromization溴代反应
1.new synthetic process of O bromobenzeneacetic acid was accomplished through bromizationof p sulfobenzeacetic acid and hydrolysis of 2 bromo 4 sulfobenzeneacetic acid with sulfo re-moved.邻溴苯乙酸的一种新合成路线，通过对磺酸基苯乙酸的溴代反应和２一溴一４一磺酸基苯乙酸的水解反应脱去磺酸基来完成。
5)bromo-substitution溴取代反应
6)acetylation-bromination乙酰化溴代反应
1.In order to make rational utilization of tigogenin, the reaction of pregnane-3S,16S,20S-triol and HBr/HOAc was explored in detail, and a regioselective acetylation-bromination reaction of preg- nane-3S,16S,20S-triol was found during this exploration.为合理利用剑麻皂甙元资源,系统地考察了孕甾-3S,16S,20S-三醇和溴化氢/乙酸溶液的反应,并且发现了孕甾-3S,16S,20S-三醇的区域选择性乙酰化溴代反应,从而为转化孕甾-3S,16S,20S-三醇成为16R-溴代孕甾-3S,20S-二醇二乙酸酯提供了一个有效方法。