Synthesis of an azo-Mn(II) complex with mild pH control using a microfluidic device

Daiki Tanaka*, Shunsuke Sawai, Dong Hyun Yoon, Tetsushi Sekiguchi, Takashiro Akitsu, Shuichi Shoji

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

10 Citations (Scopus)


This study describes the synthesis of an azo-Mn(ii) complex requiring an accurate pH control. The reaction conditions for the delicate azo-Mn(ii) complex could be precisely controlled using a microfluidic device. The microfluidic method showed the following advantages over the conventional method: the concentration of the pH-control reagent was reduced (1/15), the reaction time was remarkably decreased from 4 h to less than 1 s, and the reaction temperature was lowered from 40 to 23 °C. Moreover, the microfluidic device suppressed the oxidation of the compound and did not require cooling to remove the heat of reaction. In addition, the conventional method uses harsh pH control, whereas the microfluidic device permits mild pH control.

Original languageEnglish
Pages (from-to)39576-39582
Number of pages7
JournalRSC Advances
Issue number63
Publication statusPublished - 2017

ASJC Scopus subject areas

  • General Chemistry
  • General Chemical Engineering


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