Copper(i)-catalyzed cycloaddition of silver acetylides and azides: Incorporation of volatile acetylenes into the triazole core

Ilaria Proietti Silvestri, Fikre Andemarian, George N. Khairallah, Su Wan Yap, Tim Quach, Sammi Tsegay, Craig M Williams, Richard Alfred John O'Hair, Paul Stephen Donnelly, Spencer John Williams

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48 Citations (Scopus)

Abstract

Silver acetylides and organic azides react under copper(i) catalysis to afford 1,4-disubstituted 1,2,3-triazoles. Mechanistic studies implicate a process involving transmetallation to copper acetylides prior to cycloaddition. This work demonstrates that silver acetylides serve as suitable precursors for entry into copper-mediated coupling reactions. This methodology allows the incorporation of volatile and difficult-to-handle acetylenes into the triazole core.

Original languageEnglish
Pages (from-to)6082-6088
Number of pages7
JournalOrganic & Biomolecular Chemistry
Volume9
Issue number17
DOIs
Publication statusPublished - 7 Sept 2011
Externally publishedYes

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