Ionic and covalent copper(II)-based catalysts for Michael additions. The mechanism

Josep Comelles, Marcial Moreno-Mañas, Elisabet Pérez, Anna Roglans, Rosa M. Sebastián, Adelina Vallribera

Research output: Contribution to journalArticleResearchpeer-review

45 Citations (Scopus)

Abstract

Cu(SbF6)2-AdamBox and copper(II) bis-(5-tert- butylsalicylaldehydate) catalyze the Michael addition in neutral media. Mechanistic studies, based on UV-vis, IR, and electrospray ionization mass spectrometry (ESI-MS), suggest that copper enolates of the β-dicarbonyl formed in situ are the active nucleophilic species.
Original languageEnglish
Pages (from-to)6834-6842
JournalJournal of Organic Chemistry
Volume69
Issue number20
DOIs
Publication statusPublished - 1 Oct 2004

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