Oxidative Umpolung α‐Alkylation of Ketones

O. Svetlana Shneider, Evgeni Pisarevsky, Peter Fristrup, Alex M. Szpilman

Research output: Contribution to journalJournal articleResearchpeer-review

Abstract

We disclose a hypervalent iodine mediated α-alkylative umpolung reaction of carbonyl compounds with dialkylzinc as the alkyl source. The reaction is applicable to all common classes of ketones including 1,3-dicarbonyl compounds and regular ketones via their lithium enolates. The α-alkylated carbonyl products are formed in up to 93% yield. An ionic mechanism is inferred based on meticulous analysis, NMR
studies, trapping and crossover experiments, and computational studies.
Original languageEnglish
JournalOrganic Letters
Volume17
Issue number2
Pages (from-to)282-285
Number of pages4
ISSN1523-7060
DOIs
Publication statusPublished - 2015

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