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

研究了脂、叔、多和醚四药剂对高岭石、叶腊石、伊利石浮选行为,结果表明捕收能力顺序为多>叔>醚>脂>。

Twelve different thioxanthone carboxylic amides derivatives are prepared.

合成了十二噻吨酮酰类光引发剂。

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

二己基碳二亚(DCC)是酯化、酰化等反应常用脱水剂,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.

综述了过硼酸钠与芳、芳酰、有机硼化物、醛等化合物氧化,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"酰三号"由2-氯酸、41、次要酰导演组用锂方便邻吡啶3-立场.

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,合成了类方酸单酰化合物——氨甲酰类氮氧方酸3。

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.

为了排除非晶区域酰基团影响,事先对尼龙1010样品膜进行了氘代,并测量了其最终氘代率。