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[1]杨 昭,祝 宏*,曾祥聪,等.美乐托宁微反应合成系统的开发[J].武汉工程大学学报,2018,40(03):259-262.[doi:10. 3969/j. issn. 1674?2869. 2018. 03. 005]
 YANG Zhao,ZHU Hong*,ZENG Xiangcong,et al.Development of Melatonin Microreaction System[J].Journal of Wuhan Institute of Technology,2018,40(03):259-262.[doi:10. 3969/j. issn. 1674?2869. 2018. 03. 005]
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美乐托宁微反应合成系统的开发(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
40
期数:
2018年03期
页码:
259-262
栏目:
化学与化学工程
出版日期:
2018-06-26

文章信息/Info

Title:
Development of Melatonin Microreaction System
文章编号:
20180305
作者:
杨 昭祝 宏*曾祥聪潘晓涵李 洁史潇月
武汉工程大学化工与制药学院,湖北 武汉 430205
Author(s):
YANG Zhao ZHU Hong* ZENG Xiangcong PAN Xiaohan LI Jie SHI Xiaoyue
关键词:
微反应器酰化反应美乐托宁工艺设计均匀设计试验法
Keywords:
School of Chemical Engineering and PharmacyWuhan Institute of Technology Wuhan 430205 China
分类号:
O622
DOI:
10. 3969/j. issn. 1674?2869. 2018. 03. 005
文献标志码:
A
摘要:
以5-甲氧基色胺为原料,在微反应器中制备美乐托宁,设计了3种合成方案,采用均匀设计法对反应工艺进行了优化。在原料配比,停留时间和反应温度一样的条件下,对3个反应系统的收率进行比较。确定了3#微反应合成系统合成美乐托宁的最优工艺条件:5-甲氧基色胺∶二氯甲烷质量体积比为5.0×10-4 mg/L,乙酸酐与5-甲氧基色胺摩尔比为4∶1?,反应段停留时间45?s,分离段停留时间5?s,合成过程仅需50?s?即可完成,收率为83.8%。而传统工业生产需5?h,收率仅为70.2%。利用微反应器合成美乐托宁极大的缩短了反应时间,且能直接得到产品,简化了操作,对美乐托宁的连续化工业生产具有重要意义。
Abstract:
Melatonin was prepared in a microreactor with 5-metroxytryptamine as raw material. Three synthetic schemes were designed and compared under the same mixture ratio, residence time and reaction temperature. The reaction process in 3# microreactor was also optimized by the uniform design experimentation: the mass concentration of 5-methoxy and methylene chloride was 5.0×10-4 mg/L, the mole ratio of acetic anhydride and 5-methoxy was 4∶1, the residence time of the reaction stage was 45 s, and the residence time of the separation stage was 5 s. Compared with the traditional process, the synthesis process time shortened from 5 h to 50 s, and the yield of melatonin in the new microreactor rose from 70.2% to 83.82%. Melatonin could be easily obtained in the microreactor with simplified operation, which is meaningful for its continuous industrial production.

参考文献/References:

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备注/Memo

备注/Memo:
收稿日期:2018-01-04作者简介:杨 昭,硕士研究生。E-mail: yang_zhao168@126.com*通讯作者:祝 宏,教授,硕士研究生导师。 E-mail: z13871447010@163.com引文格式:杨昭,祝宏,曾祥聪,等. 美乐托宁微反应合成系统开发[J]. 武汉工程大学学报,2018,40(3):259-262,266.
更新日期/Last Update: 2018-06-28