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- METHODS Alkylation and acylation were used to synthesize the derivatives and the pharmacological experiments were carried out with the isolated trachea in guinea pig. 方法采用酰化、烷基化方法合成衍生物;药理学实验在豚鼠离体气管模型上进行。
- alkylation and acylation 应用
- Bengoyl leuco methylene blue is prepared from methylene blue by reduction and acylation. 介绍了以亚甲基蓝为原料,经还原、酰化生成苯甲酰无色亚甲基蓝的方法。
- This paper expounds the negative inductive effect of alkyl and explains the order of acidity of some substances. 阐述了烷基的吸电子诱导效应,因此解释了一些物质的酸性变化顺序。
- X-ray photoelectron spectroscopy (XPS) was employed to analyze the surface chemical properties of specimens of acid treatment and acylation reaction. 利用X射线光电子能谱(XPS)对酸氧化及酰氯化处理后的样品进行了表面化学性质分析。
- The reactions of oxosquaric acid with HMPA and acyl amides are a new kind of reaetion. 氧方酸与磷酰胺HMPA、羧酰胺的可能的反应历程。
- In the IUPAC system, alkyl and aryl substituents and many functional groups are named as prefixes on the parent (for example, iodomethane). 在系统命名法中,烷基、芳基取代基和许多官能团被命名为前缀并放在一个母体的前面(例如:碘甲烷)
- N butyl 2 ethoxy thioacridone was prepared from o chloro benzoic acid and p phenetidine by means of Ullman reaction,cyclization,N alkylation and sulfurization. 以邻氯苯甲酸和对乙氧基苯胺为原料,经过胺的苯基化、二芳胺的环化、N-烷基化、硫代化反应合成了N-丁基-2-乙氧基硫代吖啶酮。
- MMOH is the active site of MMO,its catalysis reaction mechanism mainly includes the activation of alkyl and oxygen molecule. 羟基化酶是其催化活性中心,它的催化机理的研究主要包括烷烃的活化和分子氧的活化这两个方面。
- After chemical modifications,such as etherification,esterification and acylation,the antioxidant activity of chitosan derivatives will be changed greatly. 经醚化、酯化、酰化等改性后,壳聚糖衍生物的抗氧化能力发生改变。
- The three production methods of mesitylene,which include alkylation method,isomerization method, alkylation and isomerization combination method,are introduced in detail. 详细介绍了均三甲苯的三种生产方法(烷基化法、异构化法、异构化和烷基化联合法),评价了这些方法的优缺点。
- Organic synthesis can be classified into two ways based upon different donor of glycosyl groups in the glycosidation,namely glycosyl-bromo-glycoside donor and acyl donor. 有机合成法按糖苷化反应糖基给体不同可分为糖基溴苷给体和酰基给体两种方法。生物转化方法是利用生物体为转化体系合成熊果苷。
- Fire retardants of phosphoryl triamide were synthesized by reacting phosphorus oxychloride with each of eight amines, including alkyl and phenyl amines, in a chlorofomi solution. 防火药剂-磷醯三胺化合物系以氯化磷醯分别与八种脂肪族、芳香族有机胺在氯仿溶剂中反应而合成。
- Glycine, N-[(C10-22-branched and linear alkyl and naphthenyl)sulfonyl] derivs., barium salts;Glycine,N-[(C10-22-branched and linear alkyl and naphthenyl)sulfonyl] derivs. 名称 N-[(C10-22-支链及直链烷基和萘基)磺酰基]甘氨酸衍生物钡盐;
- I hit him fair and square on the jaw. 我不偏不倚打中他的下巴。
- It is a fact of life and you must face it. 这是严酷的现实,你必须面对它。
- The preparation and respective characteristics of polysiloxane with polyether, amino, quaternary ammonium, alkyl and so on functional group are summarized. 阐述了带有聚醚基、氨基、季铵基和烷基等功能基聚硅氧烷的制备方法以及它们各自的特性。
- She and I can't live under the same roof. 她和我不能住在一起。
- She had to scrimp and save to pay for her holiday. 她不得不为付假期的费用而苦苦攒钱。
- I'll try and rustle you up something to eat. 我设法给你弄点吃的。