Direct C–H metallation of tetrahydrofuran and application in flow

Dongyong Kim, Hyune Jea Lee, Yutaka Shimizu, Jun ichi Yoshida, Heejin Kim

Research output: Contribution to journalArticlepeer-review

2 Citations (Scopus)

Abstract

The direct C–H metallation of tetrahydrofuran (THF) to generate α-anionic THF is one of the most straightforward methods for the functionalization of THF. However, the stability of THF makes it difficult to activate the α-proton and the instability of α-anionic THF leads to an uncontrollably rapid cleavage. These factors are well-known challenges for both the generation and utilization of α-anionic THF. Here we develop a reaction for the direct metallation of THF using a strong base as well as precise control of the temperature and reaction time in a microfluidic system. Various electrophiles, which include those with complex structures, were introduced to give products in high yields. Also, transmetallations to α-cuprated THF and α-borylated THF were successfully achieved and α-borylated THF was further functionalized via cross-coupling reactions, which demonstrates the value of this microfluidic approach. [Figure not available: see fulltext.]

Original languageEnglish
Pages (from-to)558-564
Number of pages7
JournalNature Synthesis
Volume1
Issue number7
DOIs
Publication statusPublished - 2022 Jul

Bibliographical note

Publisher Copyright:
© 2022, The Author(s), under exclusive licence to Springer Nature Limited.

ASJC Scopus subject areas

  • Chemistry (miscellaneous)
  • Inorganic Chemistry
  • Organic Chemistry
  • Materials Chemistry

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