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[1]赵晨熙,王 池,董江湖,等.β-内酰胺酶抑制剂关键中间体的微通道技术合成[J].武汉工程大学学报,2024,46(01):7-11.[doi:10.19843/j.cnki.CN42-1779/TQ202310001]
 ZHAO Chenxi,WANG Chi,DONG Jianghu,et al.Synthesis of key intermediates of β-lactamase inhibitors bymicrochannel technology[J].Journal of Wuhan Institute of Technology,2024,46(01):7-11.[doi:10.19843/j.cnki.CN42-1779/TQ202310001]
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β-内酰胺酶抑制剂关键中间体的微通道技术合成(/HTML)
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《武汉工程大学学报》[ISSN:1674-2869/CN:42-1779/TQ]

卷:
46
期数:
2024年01期
页码:
7-11
栏目:
化学与化学工程
出版日期:
2024-03-12

文章信息/Info

Title:
Synthesis of key intermediates of β-lactamase inhibitors by
microchannel technology
文章编号:
1674 - 2869(2024)01 - 0007 - 04
作者:
赵晨熙王 池董江湖张丹华邓鑫浩陈 尧严琼姣*
武汉工程大学药物研究院,湖北 武汉 430205
Author(s):
ZHAO Chenxi WANG Chi DONG Jianghu ZHANG Danhua DENG Xinhao
Pharmaceutical Research Institute, Wuhan Institute of Technology, Wuhan 430205, China
关键词:
DBO类化合物β-内酰胺酶抑制剂连续流微通道技术水解
Keywords:
DBO compound β-lactamase inhibitors continuous-flow microchannel technology hydrolysis
分类号:
R914.5
DOI:
10.19843/j.cnki.CN42-1779/TQ202310001
文献标志码:
A
摘要:
为了优化二氮杂双环辛烷(DBO)类新型β-内酰胺酶抑制剂的关键中间体(2S,5R)-6-苄氧基-7-氧代-1,6-二氮杂双环[3.2.1]辛烷-2-羧酸(Ⅰ)的合成工艺,采用微通道技术,通过对反应溶剂、温度、停留时间和碱的优化,以加快反应速率,提高反应产率。结果表明:采用连续流微通道技术,以(2S,5R)-6-苄氧基-7-氧代-1,6-二氮杂双环[3.2.1]辛烷-2-羧酸苄酯(Ⅱ)为原料,在氢氧化锂的丙酮水溶液中,温度45 ℃,反应时间20 min,水解制备得到DBO类新型β-内酰胺酶抑制剂的关键中间体(Ⅰ),经氢谱、碳谱、高分辨质谱鉴定,产物与目标化合物一致,目标产物的收率可达95%。该微通道合成方法显著加快反应速率的同时提高了反应收率,对DBO类新型β-内酰胺酶抑制剂的工业化生产具有应用前景。

Abstract:
Microchannel technology was used to improve the synthesis efficiency of (2S,5R)-6-benzyloxy-7-oxo-1,6-diazabicyclo [3.2.1] octane-2-carboxylic acid (Ⅰ), a key intermediate of novel β-lactamase inhibitors based on diazabicyclooctane (DBO). Through the investigation of solvent, temperature, residence time and base, the process conditions were optimized. The results show that the hydrolysis of (2S,5R)-6-benzyloxy-7-oxo-1,6-diazabicyclo [3.2.1] octane-2-carboxylic acid benzyl ester (II) in microchannel reactor is best conducted with acetone as a solvent and lithium hydroxide as a base at 45 ℃ for 20 min. The product was identified by 1H nuclear magnetic resonance spectroscopy, 13C nuclear magnetic resonance spectroscopy and high resolution mass spectroscopy. The key intermediate (Ⅰ) is obtained in 95% yield. Thus this technology significantly increases the rate and yield of this reaction and makes it feasible to industrial production.

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备注/Memo

备注/Memo:
收稿日期:2023-10-07
基金项目:湖北省重点研发计划项目(2023BCB055)
作者简介:赵晨熙,硕士研究生。Email:997886801@qq.com
*通信作者:严琼姣,博士,副教授。Email:875531154@qq.com
引文格式:赵晨熙,王池,董江湖,等. β-内酰胺酶抑制剂关键中间体的微通道技术合成[J]. 武汉工程大学学报,2024,46(1):7-11,17 .
更新日期/Last Update: 2024-03-01