1)acetylation[?,seti'lei??n]乙酰化反应
1.The mechanism of acetylation reaction in this new process was discussed.通过对三氮唑核苷合成工艺中乙酰化反应机理的分析 ,研究了采用肌苷 80 g、醋酐 32 0g为原料 ,固体酸PMB -Ⅱ 0 5 g为催化剂的乙酰化新工艺 ,制得 1,2 ,3,5 O 四乙酰 β D 呋喃核糖 82 6 g ,最高产率为 87% ,熔点为 83 5
2.The 2 chloro 4 fluoroaniline was prepared from 4 fluoroaniline by acetylation, chlorination,hydrolysis it.介绍了以 4 氟苯胺为原料 ,通过乙酰化、氯代、水解三步制备 4 氟 2 氯苯胺的方法 ,对主要的影响因素作了考察并得出结论 :乙酰化反应温度应小于 30℃ ;氯代中 2 /SO2 Cl2为 1∶0 9(mol/mol)时较好 ;在水解阶段盐酸浓度控制在 4mol/L较佳 ,4 氟 2 氯苯胺的纯度大于 99% ,总收率达到 70
3.The functionalized ionic liquid of 1-butyl-3-methylimidazolium toluene-p-sulfonate(OTs) dissolved in 1-butyl-3-methylimidazolium tetrafluoroborate(BF4) can efficiently catalyze the acetylation of benzyl alcohol under neutral reaction conditions.以离子液体1-丁基-3-甲基咪唑四氟硼酸盐([bmim]BF4)为溶剂,对甲基苯磺酸根(OTs-)为阴离子的功能化离子液体[bmim]OTs为催化剂进行苯甲醇的乙酰化反应。
英文短句/例句
1.Study on acetylating of mechanical activated maize starch机械活化玉米淀粉乙酰化反应的研究
2.Comment on deacetylation kinetics of chitin;甲壳素脱乙酰化反应动力学规律评述
3.Gas-phase Oxidative Acetoxylation of Toluene Over Pd-Sn-K/SiO_2 Catalyst;Pd-Sn-K/SiO_2催化剂上的甲苯氧乙酰化反应
4.Study on the Acetylation of Anisole Catalyzed by Hβ ZeoliteHβ分子筛催化苯甲醚乙酰化反应的研究
5.2.2 An efficient procedure for acetylation of phenols under microwave irradiation.2．2 微波作用下酚类的乙酰化反应的研究
6.Studies on the Deacetylacing Reaction of Chitin and the Preparation of Its Ramification;甲壳素脱乙酰化反应及其衍生物制备的研究
7.Acetylation of hydroxy radical catalyzed by Zn(AcO)_2 using acetic anhydride as solvent在乙酸酐为溶剂条件下Zn(AcO)_2催化的羟基乙酰化反应
8.Tandem Reactions Based on 3-oxo-N-arylbutanamides基于乙酰乙酰胺类化合物的串联反应研究
9.REACTION OF CYCLOKETONE,ACETYLACETONE AND ACETYLACETIC ESTER WITH KETENE OR ACETIC ANHYDRIDE IN THE PRESENCL OF COPPER SULFATE硫酸铜催化下乙烯酮、乙酐与环酮、戊二酮及乙酰乙酸乙酯的反应
10.In the reaction of acetylation and nitration 1,2?dichloroethane was used as solvent.在乙酰化、硝化反应中引入了1,2-二氯乙烷溶剂。
11.Studies on the Synthesis of 3-Bromo-Ethyl Levulinate by TLC薄层色谱法研究乙酰丙酸乙酯溴化反应
12.Acetalization of ethyl acetoacetate with ethylene glycol using heteropolyacid H_3PW_(12)O_(40) supported on active carbon as catalyst乙酰乙酸乙酯与乙二醇在活性炭负载磷钨酸催化剂上缩合反应
13.Studies on Chloromethylation of Ethyl 2-Ethoxy-5-Acetylamino Benzoate2-乙氧基-5-乙酰氨基苯甲酸乙酯的氯甲基化反应
14.Direct Palladium-catalyzed C-3 Alkynylation of Indoles and Direct Acetoxylation and Etherification of Anilides Using Organoiodine(III) Oxidant钯催化的吲哚与炔的偶联反应和有机碘试剂作用下对乙酰苯胺乙酰氧化和醚化反应的研究
15.Study on Selective α-Bromination Reaction of 4-acetyl-guaiacol4-乙酰基愈创木酚的选择性α-溴化反应研究
16.Preparation of α-Angelica Lactone by Integrated Reaction-Separation Process from Levulinic Acid乙酰丙酸反应分离一体化制α-当归内酯
17.Cesium Base Promoted Alkylation, Arylthiolation and Arylselenolation of Diethyl Malonate, Ethyl Acetoacetate;铯碱作用下丙二酸二乙酯、乙酰乙酸乙酯的烃基化、芳硫（硒）化反应研究
18.Application of Amberlyst 15 mediated glycosyl trichloroacetimidate-based glycosylationsAmberlyst 15催化糖基三氯乙酰亚胺酯糖苷化反应的应用
相关短句/例句
O-acetylationO-乙酰化反应
3)acetyloxypalladation乙酰钯化反应
4)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。
5)chloroacetylation氯乙酰化反应
6)deacetylation[di?,siti'lei??n]脱乙酰化反应
1.The deacetylation of chitin was studied under different conditions.研究了甲壳素脱乙酰化反应,推导出了扩散动力学模型,经最小二乘方拟合验证后,模型能很好预测甲壳素脱乙酰化反应。
延伸阅读
3-(N-乙酰乙酰)氨基-4-甲氧基乙酰苯胺分子式：暂无分子量：暂无CAS号：112854-88-3性质：暂无制备方法：暂无用途：暂无
