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In this paper, acetylsalicylic acid, cyclohexanone Preparation of micro-content of the experimental design, in different reaction conditions were carried out under analysis to optimize the improvements and chemical experiments on the basis of conventional experimental and micro-experimental comparison, being The experimental results consistent with the premise, fully reflects the micro-chemistry experiments to save time, save the amount of reagents, as well as many advantages such as reducing environmental pollution.

本文阐述了乙酰水杨酸、环己酮微型化制备实验的设计内容,在不同反应条件下进行了对照分析,从而进行优化改进,并就基础化学实验中常规实验与微型实验进行比较,在得到一致的实验结果的前提下,充分体现了微型化学实验节省时间、节省试剂用量、以及减少环境污染等诸多优点。

For the advantages of mild reaction conditions,DDC condensation method and acyl chloride esterification method are much more popular.

由于具有反应条件温和的优点,二环己基碳二亚胺脱水缩合法和酰氯酯化法是目前国内外最常用的两种方法。

The thermal inactivation of penicillin amidase entrapped in AOT/isooctane reversed micelles was studied in detail.

研究了青霉素酰化酶在二-(2-乙基己基)琥珀酸双酯磺酸钠/异辛烷反胶团中的稳定特性。

Three chiral phosphorus ligands were prepared using anisole as the startingat material.Their applications in the asymmetric hydroformylation and asymmetric conjug ed addition of diethylzinc to enones were investigated.

以苯甲醚为原料,合成了三种新的手性含磷配体,考察了三种配体在不对称氢甲酰化反应和ZnEt2对环己烯酮的不对称共轭加成反应中的应用。

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。

The main photoproducts in dioxane and hexane are 2-chloro benzamide and 4-chlorophenyl isocyanate.

在二氧六环及正己烷中的主要光解产物为邻氯苯甲酰胺和对氯苯基异氰酸酯。

Additionally, the quantum chemical study on the isomeriaation mechanism of the enol ester of 2-acyl-l,3-cyclohexanedione was performed, which was discovered by Yang when he synthesized the derivate of 2-acyl-l,3-cyclohexanedione.

第三部分工作是对杨定亚在合成2-酰基-1,3-环己二酮类化合物的衍生物时意外发现的烯酯异构化反应机理进行了研究。

In this dissertation, two derivatives of aniline containing polyoxyethylene substituent m-phenylene diamino formyl alkylenediamine poly acetate and poly-3-aminobenzoate were designed and synthesized. And then, comb-shaped polyaniline grafted by PEO were prepared by chemical oxidation copolymerization. The structure of copolymers were characterized by FTIR, ultraviolet-visible spectrum, elemental analysis and TEM etc..

本文在设计并合成两种含聚氧乙烯取代基的苯胺衍生物——间苯二氨基甲酰己二氨基甲酸聚氧乙烯乙酸酯和3-聚氧化乙烯单甲醚基苯胺的基础上,采用化学氧化法将它们与苯胺进行共聚,制备出了聚氧乙烯接枝聚苯胺的梳型共聚物。

Methods GAMP was activated with cyanogen bromide and combined with 1, 6-adipic acid dihydrazide. The prepared polysaccharide derivative GAMP-ADH was coupled to recombinant protein Pep10 with N-(3-dimethylaminopropyl)-N'-ethylcarbodiimide hydrochloride.

GAMP经溴化氰活化后,共价接合己二酰肼手臂,在碳二亚胺催化下与重组蛋白Pep10偶联,制备结合物GAMP-ADH-Pep10。

When the concentration of glucose was 21.58 mmol/L, the activities of hexokinase and pyruvate kinase increased by 39.7% and 64.3%, respectively. However, the specific consumption rates of glutamine, serine and leucine were markedly decreased with the increased glucose concentration.

当葡萄糖浓度为21.58 mmol/L时,己糖激酶与丙酮酸激酶活性分别比缺失葡萄糖时增加了39.7%和64.3%,而谷氨酰胺、丝氨酸、亮氨酸等氨基酸的比消耗速率却随着葡萄糖浓度的增加而显著降低。

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Yang yinshu、Wang xiangsheng、Li decang,The first discovery of haemaphysalis conicinna.

1〕 杨银书,王祥生,李德昌。安徽省首次发现嗜群血蜱。

Chapter Three: Type classification of DE structure in Sino-Tibetan languages.

第三章汉藏语&的&字结构的类型划分。