中间体

The electrolytic production are the middle matters of organic chloride and final matters of organic chloride besides dicarbonate . This may limit the application of electrochemical technology .Must consider the production and control of organic chloride when electrolysis organic wastewater concluding chloride ion.

苯酚和腐植酸在氯离子体系中的电解产物除了有CO_2这样的小分子气体外，还生成了有机氯中间体和最终产物，这可能会限制电化学氧化法的应用，在电解处理含氯的有机废水时必须考虑有机氯的形成和控制问题。

Five kind of intermediates are synthesized with the material of p-iso-Octylphenol and Dicarboxylic acid through two different routines in.

本文以辛基酚和五种二羧酸为原料，通过酰基化反应和酯化重排反应方法，合成了五种表面活性剂中间体。

The present invention relates to a novel process for converting the intermediate in the synthesis of atorvastatin having the following formula or atorvastatin lactose into the non-crystalline atorvastatin calcium: wherein A denotes a common protection group or separate protection groups for the dihydroxy group and B denotes a carboxylic acid protection group.

本发明涉及一种将具有下式的阿托伐他汀合成中的中间体或阿托伐他汀乳糖转化为非结晶阿托伐他汀钙的新方法：其中A表示二羟基的共同保护基或单独保护基，而B表示羧酸保护基。

As important industrial chemicals, dihydroxy alcohols are applied for many fields, classical dihydroxy alcohols include l,4BD0, diglycol, NPG, 1,3PDO, HDO and so on. MPO is a kind of new dihydroxy alcohols. Because of its unique molecular structure, 2-methyl-1,3-propanediol is instead of classical dihydroxy alcohols gradually. So MPO has huge market foreground.

二元醇类作为医药、涂料工业的重要中间体应用非常广泛，传统的二元醇有1，4-丁二醇(1，4BDO)、二甘醇、新戊二醇、1，3-丙二醇(1，3PDO)、己二醇等。2-甲基-1，3-丙二醇是一种新型二元醇，由于其独特的分子结构使其在很多方面正逐渐取代传统二元醇，有很大的市场前景，但国内尚无完整地生产工艺。

Structure has been shown to be of the utmost importance in the solution properties of aqueous dimeric surfactants.

在此基础上，本论文以壬基酚为原料，合成得到一系列Gemini阳离子表面活性剂及其中间体。

The cesium fluoride-mediated N,N-diarylation of 4-(biphenyl-4-oxy)aniline with 4-fluoronitrobenzene and subsequent reduction of the dinitro intermediate led to a new triphenylamine-based diamine monomer, 4,4'-diamino-4-(biphenylyl-4-oxy)triphenylamine.

以氟化铯为媒介将此苯胺与 4-fluoronitrobenzene 进行芳香族亲核取代反应，随后再进行dinitro中间体的还原反应，制得ㄧ种新型具有三苯胺结构的芳香族二胺单体4，4'-diamino-4-(biphenylyl-4-oxy)triphenylamine。

The main downstream products from the industrial dipentene were reviewed,such as:some kinds of polyester,fine chemical intermediates such as p-cymene,p-menthane and flavours such as carvone ,terpinyl acetate and so forth,the main characteristics and applications were also described in the paper.

综述了工业双戊烯主要的下游产品聚酯树脂、精细化工中间体如对伞花烃、对孟烷以及香料如香芹酮，乙酸松油酯等的合成方法及反应条件，介绍了相应产品的主要性质、用途。

Based on this result, a new technology is suggested, that is by regulating the effective sulphonating contents of 1-amino-anthraquinone, adjusting the concentration of sulfuric acid to hydrolyze 1-amino-anthraquinone disulfonic acid conversing to 1-amino-anthraquinone -2-sulfonic acid, and briminating the hydrolyzed product in 100% sulfuric acid, 87% yield of Bromamino-acid was achieved, 10% higher than the conventional method prepared by "oleum method".

此新工艺，溴氨酸在产物中含量可达87％，比常规的发烟硫酸法生产溴氨酸提高了10％，质量和收率都接近或达到溶剂法生产的水平。 1，5-二硝基蒽醌和1，8-二硝基蒽醌是生产分散蓝56、分散蓝73等一系列分散染料重要中间体。

In a word, organic electrosynthesis has been an important part of green chemistry.

间氨基苯酚是一种重要的有机化工中间体。

Employing acetyl chloride as the electrophile afforded the β-acetoxyvinyl-γ-butyrolactone 3 as the product, which provided an experimental evidence to the mechanism involving the palladium enolate intermediate.

使用乙酰氮作为亲电试剂得到了β－乙酰氧基烯基－γ－丁丙酯3，这一结果为烯醇钯中间体的机理提供了一个实验证据。

Breath, muscle contraction of the buttocks; arch body, as far as possible to hold his head, right leg straight towards the ceiling (peg-leg knee in order to avoid muscle tension).

呼气，收缩臀部肌肉；拱起身体，尽量抬起头来，右腿伸直朝向天花板（膝微屈，以避免肌肉紧张）。

The cost of moving grain food products was unchanged from May, but year over year are up 8%.

粮食产品的运输费用与5月份相比没有变化，但却比去年同期高8％。