二苯胺

Using o-nitrotoluene as an oxidant, the improved preparation of 7-chloroquinldine was studied by classical Skraup reaction of m-chloroaniline and crotonaldehyde.

研究了以邻硝基甲苯为氧化剂，间氯苯胺和巴豆醛通过经典的Skraup反应制备7-氯喹哪啶的改进方法。7-氯喹哪啶的收率为46.7%，质量分数99.2%；副产物为二氯喹哪啶，收率13.4%。

The synthesis of 4,5,7-trichloroquinoline makes use of ethyl orthoformate, cyanoacetic ester and 3,5-dichloroaniline as the raw materials. The synthesis is completed by four steps: condensation, cyclization, hydrolyzation and chlorination. Several conditions concerned in the process are studied, the whole yield of 4,5,7-trichloroquinoline is about 53%, and the purity of it is about 96%. All the products are testified by IR, NMR and HPLC.

介绍了以3，5-二氯苯胺、原甲酸三乙酯和氰乙酸乙酯为原料，经过缩合、成环、水解和氯代4步反应制备4，5，7-三氯喹啉的方法，对相关的试验条件进行了考察，通过红外光谱、核磁共振谱和液相色谱对4，5，7-三氯喹啉的结构和纯度进行表征和测定，试验结果为4，5，7-三氯喹啉的纯度大于96%，总收率达到53%。

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%。

Diphenylmethane diisocyanate production process produces a lot of brine containing aniline and polyamine.

二苯基甲烷二异氰酸酯生产过程中会产生大量含苯胺和多胺的盐水，对其有效的处理是MDI生产技术中的一大难点。

The disubstituted ureas and the catalyst could be separated by addition of water and the catalyst could be reused without deactivation.

新型高效的菲咯啉钯-离子液体含氮化合物羰化催化剂体系，以苯胺为反应物时该体系的转化频率可以达到6000mol/mol/h；氢氧化铯-离子液体催化剂体系，可以在不加入化学计量脱水剂的条件下活化二氧化碳与脂肪族胺反应得到二取代脲，反应结束后可以通过加入水实现产品和催化剂体系的分离，催化剂体系可以重复使用。

The emeraldine salts (ES1) of polyaniline were synthesized by emulsion polymerization with different dopants at 0℃.

另外，以DBSA、HCl及H3PO4为共掺杂酸，於室温下，藉二次掺杂制备含不同掺杂酸结构之聚苯胺(ES2)。

Solubilities of 4,5-dichloro-2-nitrobenzenamine and etherate were experimentally determined.

测定了4，5-二氯-2-硝基苯胺和醚化物在二甲苯和甲苯中的溶解度。

Keywords 4;5-Dichloro-2-nitrobenzenamine;Etherate;Toluene;Xylene;Solubility

4； 5-二氯-2-硝基苯胺；醚化物；溶解度

Novel 2,3-disubstituted indoles as anticancer agent s in total yield of 33%~37% were synthesized from o-iodoaniline and phenylethyne by ten-steps reaction.

以邻碘苯胺和苯乙炔为原料，经10步反应合成了2，3-二取代的新型吲哚抗癌试剂，总收率33%~37%，其结构经1H NMR和MS表征。

Do you know, i need you to come back

你知道吗，我需要你回来

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。