Twelve different thioxanthone carboxylic amides derivatives are prepared.
成
十二种噻吨酮酰
类光引发剂。
Twelve different thioxanthone carboxylic amides derivatives are prepared.
成
十二种噻吨酮酰
类光引发剂。
Behaviors of armeen,tertiary amine,poly-amide and ether amide in floatation of kaolinite,pyrauxite and illite are studied.
研究脂肪伯
、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
。
Dicyclohexylcarbodiimide (DCC) is widely used in the reaction for synthesis of esters and amides as a condensation agent.
二环己基碳二亚(DCC)是
化、酰
化等
常用的一种脱水剂,采用DCC脱水缩
,
条件温和,
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.
综述过硼酸钠与芳
、芳酰
、有机硼化物、醛等化
物的氧化,取代、
化
。
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
导演组用的锂方便邻吡啶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,
成
一类方酸单酰
化
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.
为排除非晶区域酰
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。
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