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水化合物

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The alcohol is the n aerated, which causes it to convert, through the action of Acetobacter Bacteria, to acetic acid, water, and various other compounds.

原料中必含糖,酵母发酵后生成酒精,酒精受醋酸杆菌的作用,即生成醋酸、水和各种其它化合物。

Eight novel N,N′-naphthalene acyl substituted aromatic acylamino thiocarbamides(Ⅱ1~Ⅱ8) were synthesized from aryl acylhydrazine and α-naphthalene acyl isothiocyanate, which was obtained by the reaction of potassium thiocyanate with α-naphthalene acyl chloride obtained from 2-naphthylacetic acid and thionyl chloride in anhydrous benzene.

通过α-萘乙酸和SOCl2在无水苯中反应制得α-萘乙酰氯,与硫氰酸钾反应生成α-萘乙酰基异硫氰酸酯,再与芳基酰肼进行加成反应,合成8种新型N,N′-萘乙酰基取代芳乙酰胺基硫脲类化合物(Ⅱ1~Ⅱ8)。

In the reactor with 7.5% carrier filling factor, when the amount of material supplied is 3.2L/d,the capacity aerogenesis rate will be the maximum 1.21 L/L?

当用于水处理时,它不仅可以作为一种优良的吸附材料净化水中的多种分类化合物和卤代烃,而且具有优异的

This dissertation studied allylation reactions of carbonyl compounds promoted by inorganic salts or carbon dioxide in aqueous media.

本论文主要研究了水相中无机盐和二氧化碳促进羰基化合物烯丙基化反应。

METHODSThe compounds were prepared by using 2ethylpyridine, through the Whol Ziegler reaction, the Williamson reaction and aminolysis. The effects for ability of memory in mice were measured by swimming maze test.

方法]以2乙基吡啶为原料,经WholZiegler反应、Williamson反应及氨解反应得到2[1(2吡啶)乙氧基]乙酰4取代哌嗪,采用水迷宫法观察所合成的化合物对小鼠记忆力的影响。

Betulin, a naturally occurring triterpene, available in abundance up to 10% dry weight of bark from white birch bark, seems to be an ideal starting material for the synthesis of betulinic acid.During a discovery effort from natural resources, in order to seek new biologically active compounds, reaearch on chemical modifications of valuable precursors have been demonstrated to be an effective path to resolve the water solubility problem and increase bioavailability.

从自然界寻找先导活性化合物,再进行结构修饰,试图提高其活性,降低其毒副作用,并提高其水溶性,是创新药物的一条重要思路,而且在新药研制中也得到了很好的应用并取得了显著的成绩。

A two-fold penetration coordination polymer n (1)(bpy=4,4'-bipyridyl) has been synthesized through hydrothermal reaction and structurally characterized by single crystal X-ray diffraction method.

利用水热反应,合成了一个具有二重穿插结构的一价铜配位聚合物n(1)(bpy=4,4'-联吡啶),并利用元素分析,X射线单晶衍射,红外光谱以及热重分析等手段对标题化合物进行了表征。

In recent years, the new technology has been used in the synthesis of chalcone compounds, under the 343 K condition carrying on the response in the temperature. It takes benzaldehyde and acetophenone as raw material, BF4 as resolver and the hydrotalcite as the catalyst, the yield of chalcone can reach 98.5%. This method has some advantages including shorter reaction time, higher yield and simpler operation.

近年来查尔酮化合物的合成采用了新技术,是以苯甲醛和苯乙酮为原料,BF4作为反应溶剂,水滑石为催化剂,在温度为343 K的条件下进行反应,查尔酮产率可以达到98.5%,该法具有反应时间短、操作简便、收率高等优点。

Sodium hypochlorite is a kind of inorganic compound products made by the electrolysis of the water saturated with salts, which is the foundational product to make other chloric acid salts. It is also

次氯酸钠是电解饱和食盐水生产的一种无机化合物产品,是生产其它氯酸盐的基础产品,也是国际公认的高效、安全、环保的漂白、消毒杀菌剂,具有广阔的市场前景。

RESULTS : The concentration of gardenoside and chlorogenic acid were 2.52% and 0.08%, respectively.

结果:测得水提物中栀子苷和绿原酸的含量分别为2.52%和0.08%,试验共对13种化合物进行了结构分析,其中2种尚未见报道。

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