4.8 Article

Intramolecular Transannulation of Alkynyl Triazoles via Alkyne-Carbene Metathesis Step: Access to Fused Pyrroles

Journal

ORGANIC LETTERS
Volume 15, Issue 20, Pages 5394-5396

Publisher

AMER CHEMICAL SOC
DOI: 10.1021/ol4027655

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Funding

  1. National Institutes of Health [GM-64444]

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An intramolecular Rh-catalyzed transannulation reaction of alkynyl triazoles has been developed. This method allows efficient construction of various 5,5-fused pyrroles, including tetrahydropyrrolo and Spiro systems. The method demonstrates excellent functional group compatibility. A rhodium carbene-alkyne metathesis mechanism is proposed for this transformation.

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