4.5 Article

Rhodium(I)-Catalyzed Arylative Annulation of β-Alkynyl Ketones for Preparation of Fused Aromatics

Journal

EUROPEAN JOURNAL OF ORGANIC CHEMISTRY
Volume 2020, Issue 3, Pages 306-310

Publisher

WILEY-V C H VERLAG GMBH
DOI: 10.1002/ejoc.201901481

Keywords

Annulation; Homogeneous catalysis; Hydrocarbons; Polycycles; Rhodium

Funding

  1. JSPS, Japan [16K05783]
  2. Grants-in-Aid for Scientific Research [16K05783] Funding Source: KAKEN

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Rhodium(I)-catalyzed addition of arylboronic acids to beta-(arylethynyl) ketones proceeds through 1,4-rhodium migration to afford 4-(arylmethylene)tetralin-1-ols, which upon treatment with triflic anhydride furnish (arylmethyl)naphthalenes through sequential dehydration-aromatization. Fused aromatic compounds with three to five rings have been prepared using the arylative annulation strategy.

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