Continuous preparation for rifampicin

Xin Li, Zhuang Liu, Hao Qi, Zheng Fang, Siyu Huang, Shanshan Miao, Kai Guo

Research output: Contribution to journalArticlepeer-review

4 Scopus citations

Abstract

To reduce the cost and improve the efficiency for rifampicin preparation, a continuous flow synthesis of rifampicin starting from rifamycin S and tert-butylamine was studied in a microreactor. Two reaction steps and one purification step were coupled in a microreactor, and rifampicin was obtained with 67% overall yield. This method used 25% less 1-amino-4-methyl piperazine and got 16% higher overall yield without changing solvent and purification process between steps. This method has a good potential for further industrial application.

Original languageEnglish
Pages (from-to)129-138
Number of pages10
JournalJournal of Flow Chemistry
Volume8
Issue number3-4
DOIs
StatePublished - 1 Dec 2018

Keywords

  • Continuous flow synthesis
  • Coupling of reaction and separation
  • Rifampicin preparation

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