Study on the Acetylation of Anisole Catalyzed by H β Zeolite Hβ分子筛催化苯甲醚乙酰化反应的研究
The oxybromination of anisole was investigated with sodium bromide as bromo source and oxygen as oxidant. 以溴化钠为溴源,氧气为氧化剂进行的苯甲醚的催化氧化溴代反应。
GC analysis of p-methoxy benzaldehyde in p-methyl anisole oxidation product mixture Preparation of o-NBA via Liquid Phase Oxidation of o-MNT with Oxygen 催化氧化制备对甲氧基苯甲醛氧化液的气相色谱分析氧气液相氧化邻硝基甲苯制取邻硝基苯甲醛
The decomposition reaction of the complex an is ole · BF3 is indispensable during the separation of boron-10 isotopes by chemical isotope exchange distillation between BF3 and the complex anisole · BF3. 三氟化硼-苯甲醚的分解反应是三氟化硼-苯甲醚络合物化学交换精馏法分离硼同位素不可缺少的步骤。
A New Synthetic Technique of Anisole 合成苯甲醚的新工艺
The effect of diverse solvent on the conversion of bromination is carried out using anisole as substrate in vessel. 以苯甲醚为底物,在压力反应釜中考察了不同溶剂体系对溴代的影响。
Studies on conjugated polymers V.THE polymerization of benzonitrile with boron trifluoride-anisole complex catalyst 共轭高分子的研究&Ⅴ.苯腈在三氟化硼-苯甲醚络合物作用下的聚合
By chemical exchange reaction and distillation between BF3 and the complex anisole · BF3 the separation character of boron-10 isotopes was studied. A mathematical model, proposed in this paper, was solved by a Matlab program. 采用化学交换反应精馏法,针对三氟化硼-苯甲醚分离体系,研究了硼同位素分离生产过程的特点,建立了交换精馏塔的稳态数学模型,并利用matlab程序进行模型求解。
Butylhydroxy anisole ( BHA) and dibutyl hydroxy toluene ( BHT) in edible oil were pretreated in two ways: the column chromatography and the ethanol extract method before measurement by GC. 目的使用柱层析法和乙醇提取法两种前处理方法,对食用油脂的叔丁基羟基茴香醚(BHA)、2,6-二叔丁基羟基甲酚(BHT)样品进行提纯。方法气相色谱分析。
The experiment on anisole dehumidification was carried out. And the results showed that the way of drying anisole by dry nitrogen is proved feasible. 进行苯甲醚的脱水实验,实验结果证实用干燥氮气除去苯甲醚中微量水的方法是可行的。
A method for analysis of butyl hydroxy anisole ( BHA, antioxidant) in simvastatin had been established by HPLC. 建立了测定辛伐他汀中抗氧化剂叔丁基羟基茴香醚(BHA)含量的高效液相色谱方法。
~ 1HNMR Investigations of Supramolecular Complexes Between β-Cyclodextrin and Anisole, Ethyl Benzoate, m-Cresol A KINETIC STUDY ON THE SYNTHESIS OF p-NITROANISOLE BY PHASE TRANSFER CATALYST 超分子络合物β-环糊精-苯甲醚/苯甲酸乙酯/间甲酚的核磁共振氢谱分析相转移催化合成对硝基苯甲醚的反应动力学研究
[ METHODS] Using 2-chloroethanol, piperidine and anisole as starting materials, raloxifene hydrochloride was synthesized by a twelve-step procedure. [方法]参考文献报道的合成路线,以氯乙醇、哌啶、苯甲醚等为原料,经12步反应制得目的物。
Seven, six and six major constituents have been identified in the electrolytic-oxidation products of toluene, p-methyl anisole and p-tert-butyl toluene, respectively. 从甲苯电解氧化产物中鉴定出7种主要成分,从对甲基苯甲醚电解氧化产物中鉴定出6种主要成分,从对叔丁基甲苯电解氧化产物中鉴定出6种主要成分;
Study on Determination of phenol in anisole by GC 苯甲醚中苯酚气相色谱测定的研究
Host-Guest Recognition of Anisole by Thickness-Shear Mode Acoustic Wave Sensor Coated with Calixarenes 杯芳烃涂层厚度剪切模式声波传感器对苯甲醚的主-客识别
This article is devoted to the separation of boron isotopes by the method of chemical isotope exchange distillation between BF3 and the complex anisole? 本文采用化学交换反应精馏法分离硼同位素,通过三氟化硼与三氟化硼-苯甲醚络合物的化学交换反应,使得硼10同位素在液相富集,达到分离的目的。
No anisole was observed in the product mixture. The catalysis performance of selected catalyst Ti ( OC 4H 9) 4-PbO is prior to dibutyltin dilaurate and PbO obviously. 所选催化剂Ti(OC4H9)4PbO的催化性能明显优于二丁基二月桂酸锡和PbO。
Moreover, anisole should be purified from products of decomposition in purification tower. 通过净化塔除去苯甲醚中因分解产生的杂质。
2-Amino-4-( b-hydroxy-ethylamino)-anisole, as a new type of hair-dyeing coupler, was prepared through acylation, nitration, deacylation, hydroxyethylation, reduction and acidification from the raw material p-anisidine. 以对氨基苯甲醚为起始原料,经酰化、硝化、脱乙酰、羟乙基化、还原、酸化反应制得新型染发显色剂2-氨基-4-(β-羟乙基氨基)苯甲醚。
Synthesis of 2-amino-4-( b-hydroxyethylamino)-anisole, a new type of hair-dyeing coupler 新型染发显色剂2-氨基-4-(β-羟乙基氨基)苯甲醚的合成
Acetylation of anisole and acetic anhydride over β zeolites with small particle size 小晶粒β沸石催化的苯甲醚与乙酸酐酰化反应
Disinfectant 2-benzyl-4-chlorophenol is prepared by benzylation reactions. We also research other different substrates, such as anisole, toluene and benzene. 通过付-克苄基化法来合成杀菌剂2-苄基-4-氯苯酚,并对不同底物的苄基化反应进行研究,底物有苯甲醚、甲苯和苯。
Finally, in the methylation reaction of S-adenosyl methionine, anisole was used in the extraction process of trifluoroacetic acid, then distilled to recover the trifluoroacetic acid. 在甲基化生成S-腺苷蛋氨酸的反应完成后,用苯甲醚来萃取反应过程中使用的三氟乙酸,萃取液蒸馏后,得到回收的三氟乙酸。
In this paper, including as follows: ( 1) m-cresol as raw material reacted with chloromethyl methyl ether to generate methoxy-( 3-methyl) anisole in different solvents. 本文研究内容如下:(1)以间甲酚为原料,与氯甲基甲醚在不同溶剂中反应生成甲氧基-(3-甲基)苯甲醚。
Equilibrium yields of the main reaction to produce methyl phenol carbonate and the side reaction to produce anisole was increased with the increase of reaction temperature, which meant that both the main reaction and the side reaction were endothermic. 碳酸二甲酯与苯酚生成碳酸苯甲酯的主反应与生成苯甲醚的副反应的产物平衡浓度均随反应温度的提高而增加,表明两者皆是吸热反应。
The benzylation reactions of other different substrates ( such as anisole, toluene and benzene) are researched. 研究了不同底物(如苯甲醚、甲苯和苯)的苄基化反应,对反应条件进行了探索。