Rh(III)-Catalyzed [3 + 3] Annulation Reaction of Cyclopropenones and Sulfoxonium Ylides toward Trisubstituted 2-Pyrones

Peng Zhou, Wei Tao Yang, Anis Ur Rahman, Guigen Li, Bo Jiang

Research output: Contribution to journalArticle

6 Scopus citations

Abstract

A new Rh(III)-catalyzed [3 + 3] annulation reaction between cyclopropenones and β-ketosulfoxonium ylides has been reported, enabling metal carbene insertion to access a wide range of trisubstituted 2-pyrones with moderate to excellent yields via C-C single-bond cleavage, in which sulfoxonium ylides serve as potential safe precursors of metal carbenes. This reaction occurred under redox-neutral conditions with a broad substrate scope.

Original languageEnglish
Pages (from-to)360-366
Number of pages7
JournalJournal of Organic Chemistry
Volume85
Issue number2
DOIs
StatePublished - Jan 17 2020

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