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- A new method for synthesising trans1 cinnamylpiperazine from piperazine dihydrochloride the byproduct in cinnarizine preparation, total yield was 90. 提出了一种以桂利嗪副产哌嗪二盐酸盐为原料合成肉桂基哌嗪的方法;收率90.;6%25;纯度98
- piperazine dihydrochloride 哌嗪二盐酸盐
- Methods:Cetirizine dihydrochloride were synthesized from piperazine hexahydrate and4-chlorobenzyl chloride by six steps reactions. 方法 :对关键的缩合反应进行了改进 ,以六水哌嗪和对氯氯苄为原料 ,经六步反应得到产品。
- The resultant hydrolytic reaction product is dihydrochloride. 所形成的水解反应物是二盐酸。
- The baby has worms. The doctor advised him to take some piperazine. 宝宝肚子里有虫了,医生建议让他吃些哌嗪。
- Some method about synthesis of piperazine with aliphatic amine were introduced. 介绍了由脂肪胺合成哌嗪的几种方法。
- The paper has reviewed the market development and related uses of piperazine. 本文首先简要介绍了无水哌嗪的市场发展情况以及相关用途。
- The structure of 1-(2,3-dichlorophcnyl)piperazine is confirmed by IR and 1HNMR. 最终产物的结构通过IR、1HNMR得到了表征。
- The structure of 1-(2,3-dichlorophenyl)piperazine is confirmed by IR and 1HNMR. 最终产物的结构通过IR、1HNMR得到了表征。
- The resultant hydrolytic reaction product is methylenedioxyamine dihydrochloride. 所形成的水解反应物是二盐酸甲撑二氧胺。
- 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。
- Levocetirizine Dihydrochloride was prepared from benzoyl chloride by acidylation,hydrogenation,cyclization with an overall yield of 8.05%. 以苯甲酰氯为原料;经酰化;还原;环合等反应合成左旋西替利嗪盐酸盐;反应总收率为8.;05%25。
- The results indicate that arte- sunate is significantly superior to quinine dihydrochloride in both aspects. 结果表明,青蒿琥酯的杀虫速度比二盐酸奎宁快,治愈效果优于二盐酸奎宁。
- The interaction of hematoporphyrin dihydrochloride(HD) with DNA was studied by using neutral red(NR) as a probe. 以中性红(NR)作探针研究了血卟啉(HD)与DNA的相互作用。
- Methods The nitrite was detected from samples by N-Naphthylethylenediamine Dihydrochloride. 方法用盐酸萘乙二胺法检测样品中的亚硝酸盐。
- 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。
- The currently approved drug in the US, melarsomine dihydrochloride, is marketed under the brand name Immiticide. 目前已经获批的药物有砒霜。
- Aim To study the synthesis and antidepressant activities of aryl alkanol piperazine derivatives. 摘要目的研究芳烷醇哌嗪类化合物的合成及抗抑郁活性。
- Study on Interaction between Hematoporphyrin Dihydrochloride and Herring Sperm DNA by Spectroscopy[J]. 引用该论文 Li Hongbo;Ta Honggui;Wang Xingming;Wang Suqin;Ding Lisheng.
- Condensation reaction of piperazine is a very important step in the process of synthesis of ciprofloxacin. 摘要呱嗪缩合反应是环丙沙星生产工艺中的关键步骤。