piperazine

美 
英 
  • n.【化】对二氮己环
  • 网络哌嗪；二乙烯二胺；无水哌嗪

英汉

英英

网络释义

n.
1.
【化】对二氮己环
na.
1.
“piperazin”的变体

例句

释义:
全部全部,对二氮己环对二氮己环,哌嗪哌嗪,二乙烯二胺二乙烯二胺,无水哌嗪无水哌嗪
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难度:全部全部,简单简单,中等中等,难难
1.
Piperazine was separated from ethylenediamine byproduct polyethylene polyamines mixture by refrigeration and azeotrope distillation.
通过冷冻、共沸蒸馏，从多乙烯多胺混合物中分离出哌嗪。
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2.
The synthesis of piperazine and its derivatives from hydroxylamine was discussed in this paper.
本文讨论了以羟胺为原料环合得到哌嗪及其衍生物。
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3.
Another way was to combine directly anhydrous piperazine with 2, 3-dichloro- bromobenzene through Ullmann reaction.
二是直接用无水哌嗪与2,3-二氯溴苯通过乌尔曼反应合成。
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4.
Piperazine citrate is the drug of choice in the treatment of Ascaris infestations .
枸橼酸哌嗪治疗蛔虫感染是最好的药物。
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5.
and the reaction solvent is water or a water solution of the N-methyl piperazine.
所述的反应溶剂为水或N-甲基哌嗪的水溶液。
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6.
Q is a piperidine or piperazine ring that can have a bridge or a fused ring.
Q为哌啶或哌嗪环，其可具有桥基或稠合环。
ip.com
7.
1-(2, 3-dichlorophenyl)piperazine is a kind of pharmaceutical intermediate.
1-（2,3-二氯苯基）哌嗪是一种重要的医药中间体。
www.chemyq.com
8.
Objective To study improved synthetic method of 1-[(4-chlorophenyl)phenylmethyl]-piperazine, the intermediate of cetirizine hydrochloride.
目的探讨西替利嗪的中间体1-犤（4-氯苯基）苯甲基犦-哌嗪的合成方法的改进。
www.chemyq.com
9.
The Quantum Chemistry Study of the Structure and Activation of Diphenyl Methyl Piperazine
二苯甲基哌嗪类化合物结构与活性的量子化学研究
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10.
Synthesis, Characterization and Anticancer Activity of Piperazine Substituted Porphyrins
哌嗪取代卟啉的合成、表征及其抗癌活性
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