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The catalysis of single and mixed micelles and functional molecules for alkaline hydrosis of acetanilide has been studied at 40℃ in aqueous acetonitrile solution with UV spectrophotometry.

在40℃下乙腈水溶液中,用紫外分光光度法研究了单一和混合胶束及功能分子对乙酰苯胺碱性水解反应的催化作用。

The results of clinical assessment showed that levosimendan was safe and effective which could improve the prognosis of the patients and kept normal blood kinetics. By improving the reported synthetic route, levosimendan was synthesized from acetanilide via eight steps of reaction.

本论文探索了左西孟旦的合成路线,对文献报道的合成工艺进行了合理有效的改进,以乙酰苯胺为原料,最终经Friedel-Crafts反应,羰基α-位溴代,丙二酸二乙酯缩合,水解,脱羧,环合,拆分及重氮化加成等八步反应合成了左西孟旦。

Acetylsalicylic acid has been synthesized using salicylic acid and acetic anhydride with microwave radiation catalyzed by aluminum chloride.

摘要以水杨酸和乙酸酐为原料,以无水三氯化铝作催化剂,微波辐射合成了乙酰水杨酸,并讨论了影响反应的因素。

And then we found that ytterbium trifluoromethethanesulfonate is a powerful catalyst for the reaction of amine and ethyl acetate.

然后研究了三氟甲磺酸镱催化的胺和乙酸乙酯的反应,从而合成了乙酰苯胺类化合物。

Some materials were synthesized in this paper at first, 1-nitro-2-pentanol was synthesized with nitromathane and butyraldehyde and the yield was 70.2%; l-nitro-2-pentanol was reduced to 1 -amino-2- pentanol with iron and the yield was 65.2%.

分别用氢氧化钠、三乙胺为缚酸剂,2-氨基-1-丁醇、1-氨基-2-戊醇、环己酮和二氯乙酰氯为原料,采用一步法和分步法合成了两种潜在除草剂安全剂。

Polyethersulfone with cardo was a developed engineering thermoplastic and membrane material with high glass transition temperature,PES-C ultrafiltration membranes were prepared by phase inversion method using dimethylacetamide as solvent and oxalic acid and polyethylene glycol as additives.The membrane morphology forming and evolution could be observed by the experimental system and method.The effect of additive and polymer concentration on cast solution and the gelation kinetics of polyethersulfone with cardo asymmetric membrane were studied.

采用耐高温工程塑料——含酚酞侧基的聚芳醚砜为膜材料,草酸和聚乙二醇为添加剂, N,N -二甲基乙酰胺为溶剂,并利用改进的凝胶动力学实验装置和方法,使之能真实地再现不同膜孔结构生长及发展演化的过程,借助相关软件对图像进行处理,考察了添加剂、聚合物浓度对铸膜液凝胶速度的影响,对酚酞基聚芳醚砜非对称膜的凝胶过程的动力学进行研究。

So the ester type cinchona alkaloid derivatives should be the preferable catalysts for the IFB reaction withβ-phenyl substituted bromoketones as substrate.

由此可知,这类以酯键形成的金鸡纳生物碱衍生物适于催化β-苯取代溴乙酰甲酸乙酯为底物的IFB反应。

Thus, 3 mol of Ethyl acetoacetate were treated with 2 mol of formaldehyde to yield 80% of I.

用2摩尔的甲醛处理3摩尔的乙酰乙酸乙酯可得到80%的I。

Objective To evaluate the efficacy and safety of N-acetylcysteine and glutathione in treating chronic hepatitis B patients.

目的 观察N-乙酰半胱氨酸和还原型谷胱甘肽治疗慢性乙型肝炎重度患者的临床疗效和安全性。

Lysergic acid diethylamide, LSD, LSD-25, or acid, is a semisynthetic psychedelic drug of the tryptamine family.

麦角酸二乙酰胺, LSD , LSD-25,或者酸,是半合成吲哚乙胺类致幻剂。

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However, as the name(read-only memory)implies, CD disks cannot be written onorchanged in any way.

然而,正如其名字所指出的那样,CD盘不能写,也不能用任何方式改变其内容。

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