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Leuco crystal violet lactone was prepared by heating the mixture of dimethylaniline, p-dimethylaminobenzaldehyde and m-dimethylaminobenzoic acid at 60℃ for 5 hours in presence of hydrochloric acid and urea and in the nitrogen atmosphere with 72%yield of LCVL.

等摩尔比的N,N-二甲基苯胺和对二甲氨基苯甲醛在盐酸和脲的存在及氮气保护下,80℃反应0.5h,加入间二甲氨基苯甲酸于90℃反应5h。将反应混合物中和,抽滤,得到无色结晶紫内酯,产率为72%。

Not only has it a better ability of electrocatalysis to the redox reaction of Br〓 and Tl〓/Tl, but also it has a good response to H〓.

并对制备聚苯胺修饰电极的几种方法进行了比较,从而指出了最佳的聚合方法和条件。

Corrosion protection of cold-rolled steel was investigated with dispersed emeraldine base form of polyaniline.

研究了分散的颗粒状本征态聚苯胺(EB0对冷轧钢的腐蚀防护作用。

1The chemical oxidization method was used to prepare emeraldine salt type conductive polyaniline doped with hydrochloric acid by interfacial polymerization which employ immiscible interface formed via the water and organic solvent, and we discuss the influences of synthetic conditions on the conductivity of PANI-HCl.

1采用化学氧化合成法,以界面聚合方式,利用水与有机溶剂所形成的不相容界面,直接制备以盐酸掺杂Emeraldine Salt型导电性聚苯胺,探讨合成条件对PANI-HCl之导电度的影响。

The results showed that solubility of nitrobenzenamine and etherate increased with temperature increasing.

实验结果表明硝基苯胺和醚化物在二甲苯和甲苯中的溶解度均随温度的升高而增加。

Solubility of nitrobenzenamine in ternary system was higher than that in binary system,but the solubility of etherate did not change.

与二元体系相比,硝基苯胺在三元体系的溶解度增加,但醚化物的溶解度未发生变化。

A process for preparingp-fluo-2-(2-methyl-3-propionyl)-4-oxy-N,3-diphenyl-phenylbutylamide includes such steps as Friedle-Craft acylating of newly prepared phenylacetyl chloride and fluorobenzene under catalysis of AlCl3 to obtain 4-fluoro-phenylbenzyl ketone, brominating at carbonyl alpha position under catalysis of less AlCl3 to obtain alpha-bromo-4-fluo-phenylbenzyl ketone, and condensing with isobutyryl acetanilide under action of sodium ethoxide.

本发明涉及一种制备对氟-2-(2-甲基-3-氧丙基)-4-氧-N,3-二苯基-苯丁酰胺(1)的方法,其包括以下步骤:新制的苯乙酰氯与氟苯在AlCl3催化下进行Friedle-Craft酰化反应,得到对4-氟-苯基苄基酮(4);化合物(4)在少量AlCl3催化下进行羰基α位溴化,得到α-溴-4-氟-苯基苄基酮(5);然后(3)异丁酰乙酰苯胺在乙醇钠作用下与化合物(5)进行缩合。

But, heat transfer fluids can also be used for cooling strongly exothermal processes, such as occur in the synthesis of ethylene oxide, aniline or formaldehyde.

同时,该导热油也能给需要冷却的工艺路线迅速导出热量,例如应用于EO/苯胺/甲醛等的合成。

Using the equipment set, the mean mass transfer migrate coefficient of aniline on the interface of kerosene/water and hendecane/water in the liquid membrane system has been determined.

本文建立了一套液-液界面传质速度测定的简易装置,用於笨胺-煤油-盐酸液膜体系中苯胺在油/水界面传质动力学的研究。

From the results, it was observed that the transfer migrate coefficient for hendecane was larger than that for kerosene; the transfer mass resistance increased and decreased with adding Span 80 and TBP respectively; there was little effect by adding liquid paraffin.

发现苯胺在十一烷/水界面的传质系数比在煤油/水界面上的大;在油相中加入span80和磷酸三丁酯会使传质阻力分别增加和减少,而液体石蜡的加入几乎不影响传质速度。

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With Death guitarist Schuldiner adopting vocal duties, the band made a major impact on the scene.

随着死亡的吉他手Schuldiner接受主唱的职务,乐队在现实中树立了重要的影响。

But he could still end up breakfasting on Swiss-government issue muesli because all six are accused of nicking around 45 million pounds they should have paid to FIFA.

不过他最后仍有可能沦为瑞士政府&议事餐桌&上的一道早餐,因为这所有六个人都被指控把本应支付给国际足联的大约4500万英镑骗了个精光。

Closes the eye, the deep breathing, all no longer are the dreams as if......

关闭眼睛,深呼吸,一切不再是梦想,犹如。。。。。。