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

研究了脂肪伯、叔、多和醚四种药剂对高岭石、叶腊石、伊利石的浮选行为,结果表明捕收能力顺序为多>叔>醚>脂肪>伯。

Twelve different thioxanthone carboxylic amides derivatives are prepared.

合成了十种噻吨酮类光引发剂。

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

环己基碳(DCC)、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.

综述了过硼酸钠与芳、芳、有机硼物、醛等合物的氧,取代、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"三号"由2-氯酸、41、次要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.

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

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,合成了一类方酸单合物——氨甲类氮氧方酸3。