甲基苯胺

In order to obtained the six-membered ring compound and a thorough assignment of the spectra, and further to prove that the six-membered ring compound was formed from the hydrogen transfer, the compound N-butyl-4-(N-methylphenylamino)-5-amino- 1, 8-naphthalimide 6 was designed to obtained with N-butyl-4-bromo-5-amino-1, 8-naphthalimide and N-methyl phenylamine as the starting material. However it was difficult to obtain the desired product as the different solvent giving the different products except the desired product.

为了能够得到六元环化合物作为定标的物质及其确切的谱图分析结果，并且为了进一步证明由五元环产物通过氢转移得到六元环产物的正确性，设计用N-丁基4-溴-5-氨基-1，8-萘酰亚胺与N-甲基苯胺反应生成N-丁基-4--5-氨基-1，8-萘酰亚胺6，结果发现这种方法很难实现，选择不同的溶剂会生成不同的产物，却都不是目标产物。

Theelectropolymerizaitons in the present study was followed by in situ UV-visspectrometry,which showed the rate of elecctropolymerization decreased as theconcerntration of anthranilic acid in reaction solution.

本文涉及的电化学聚合均用在线紫外—可见光谱进行跟踪，结果表明电化学共聚随着反应体系中邻氨基苯甲酸的浓度的增加而变慢；同时，在电化学聚合过程中的电流—时间瞬时响应曲线表明聚邻甲基苯胺和共聚物均可能是以三维累积成核的方式沉积在ITO导电玻璃电极上。

In order to provide some scientific data for judging biological toxicity and bioavailability caused by heavy metals in sediments in Guilin, China, for the first time, the authors sampled sediments in different water areas in Guilin, and determined AVS by P-Amino dimethyl aniline dihydro chloride photometry through a set of acidification-ventilation-absorption AVS reaction unit, determined copper, lead, zinc, cadmium and nickel with tomic absorption spectrophotometry, mercury and arsenium with atomic fluorescence, and cipangopaludina cathayensis was selected as the tested species for bioavailability experiment.

首次以桂林水系沉积物为研究对象，通过酸化－吹气－吸收装置，用对氨基二甲基苯胺光度法测定沉积物中AVS含量，用原子吸收分光光度法测定SEM和间隙水中Cu、Pb、Zn、Cd、Ni含量，用原子荧光法测定Hg、As含量。

Benzoperoxide/N,N-dimethylaniline initiator system that can eliminate the danger of using MEKPO/Co salt system used in UPR at room temperature was studied in this paper.

采用过氧化苯甲酰/N，N-二甲基苯胺固化体系室温条件下对不饱和聚酯树脂进行固化，可以降低常用的过氧化酮/钴盐体系的危险性。

It is shown that as the third eomponent of the catalyst di-methylaniline is the best,tetramethylthiuram disulfide or triethylamine the next.and benzothiazole the worst.

结果指出，作为催化剂第三组分以二甲基苯胺的效果最好。催化体系中存在与磷酸相等克分子的水时催化活性较高。

The best operational parameters were that the reaction temperature was 105℃, the reaction time was 3 hours, the mixture ratio of n: n=1:2.79, using N,N-dimethyl benzylamine as catalyst, and 2,6-Di-tert-buthyl-p-cresol as inhibitor.

结果表明，合成TGICA的最优化条件为：n/n=l：2.79；催化剂为N，N－二甲基苯胺；阻聚剂为2，6－二叔丁基对甲酚；反应温度(105±2)℃；反应时间3h。丙烯酸的转化率可达到99.7%。

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 hydrochioric acid and unea 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%。

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%。

The Mannich-type addition of O , O'-dialky phosphite to 2-fluorobenzaldehyde and 4-trifluoro- methylaniline was carried out in one pot by means of adopting three kinds of green synthetic methods, microwave irradiation, ionic liquid and free solvent-catalyst condition. According to the results, the synthetic method was optimized without catalyst and solvent at 100 ℃ and 15 min, and it was economic, convenient, high yields, timesaving and environment friendly.

采用微波辐射﹑离子液体和无溶剂无催化剂三种绿色合成方法，分别进行了以亚磷酸酯、邻氟苯甲醛和对三氟甲基苯胺为原料的类Mannich一锅法合成反应研究，经合成筛选，优选出控制反应温度100 ℃、无溶剂和无催化剂加热反应15 min的合成方法，实验结果表明该方法经济、简便、产率高、反应时间短及对环境友好。

In this paper,pyromellitic dianhydride,1,2,3,4-cyclobutanetetracarboxylic dianhydride,4[(4-aminophenyl)-bis(4-methoxyphenyl)methyl]benzeneamine,4-hexyloxy-biphenyl-3′,5′-diaminobenzoate,and additive ADD-34 were used to synthesize four PIs.

文章用均苯四甲酸二酐，4[(4-氨基苯基)-二(4-甲氧基苯基)甲基]苯胺，1，2，3，4-环丁烷四羧酸二酐，4-己烷氧基联苯酚-3′，5′-二胺基苯甲酸酯和不同含量的添加剂制备了聚酰亚胺液晶取向剂。

This one mode pays close attention to network credence foundation of the businessman very much.

这一模式非常关注商人的网络信用基础。

Cell morphology of bacterial ghost of Pasteurella multocida was observed by scanning electron microscopy and inactivation ratio was estimated by CFU analysi.

扫描电镜观察多杀性巴氏杆菌细菌幽灵和菌落形成单位评价遗传灭活率。