4.6 Article

Facile Construction of Furanoacenes by a Three-Step Sequence Going through Disilyl-exo-cyclic Dienes

Journal

CHEMISTRY-A EUROPEAN JOURNAL
Volume 26, Issue 43, Pages 9471-9474

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.202001119

Keywords

addition; alkynes; arenes; aromatization; dienes

Funding

  1. JSPS [19K05481, 17K19127]
  2. Tokuyama Science Foundation
  3. UBE Foundation
  4. Grants-in-Aid for Scientific Research [19K05481, 17K19127] Funding Source: KAKEN

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Facile synthesis of various benzonaphthofurans was achieved by intramolecular hydroarylation of 1,4-disilyl-2-aryloxy-1,3-enynes followed by cycloaddition with arynes or alkenes and finally desilylaromatization. The three-step transformation can be operated sequentially in one-pot, providing with a range of furanoacenes easily and highly effectively.

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