Behaviors of armeen,tertiary amine,poly-amide and ether amide in floatation of kaolinite,pyrauxite and illite are studied.

研究脂肪伯胺、叔胺、多胺和醚胺四种药剂对高岭、叶、利的浮选行为,结果表明捕收能力顺序为多胺>叔胺>醚胺>脂肪>伯胺。

Twelve different thioxanthone carboxylic amides derivatives are prepared.

合成十二种噻吨酮酰胺类光引发剂。

Dicyclohexylcarbodiimide (DCC) is widely used in the reaction for synthesis of esters and amides as a condensation agent.

二己基碳二亚胺(DCC)是酯化、酰胺化等反应常用的一种脱水剂,采用DCC脱水缩合,反应条件温和,合成收率通常较高。

The oxidation,displacement and esterification of aromatic amines,aromatic amides and organic boranes using sodium perborate as oxidizing agent were reviewed.

综述酸钠与芳胺、芳酰胺、有机化物、醛等化合物的氧化,取代、酯化反应。

In the related "amide route" starting from 2-chloroisonicotinic acid, 41 ,a secondary amide directing group was used to facilitate the ortho lithiation of the pyridine 3-position.

在有关"酰胺三号"由2-氯酸、41、次要酰胺导演组用的锂方便邻吡啶3-立场.

To suppress the interference of amide groups in the amorphous phase,the film was placed in heavy water for 4 weeks for deuteration and the deuteration rate was determined.

为排除非晶区域酰胺基团的影响,事先对尼龙1010的样品膜进行氘代,并测量其最终氘代率。

A kind of monosubstituted squaric amide ——mono carbamoyl amide of squaric acid 3(MCASAQ) was prepared by the condensation of squaric acid (SQ) with urea or its derivatives in water.

以水为介质,方酸与脲及其衍生物顺利发生脱水缩合,合成一类方酸单酰胺化合物——氨甲酰类氮氧方酸3。