Solvent-Free Benzoin and Stetter Reactions with a Small Amount of NHC Catalyst in the Liquid or Semisolid State

Tadashi Ema, Yoshiko Nanjo, Sho Shiratori, Yuta Terao, Ryo Kimura

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19 Citations (Scopus)

Abstract

The intermolecular or intramolecular asymmetric benzoin reaction was catalyzed by a small amount of N-heterocyclic carbene (NHC) (0.2-1 mol %) under solvent-free conditions. The solvent-free intramolecular asymmetric Stetter reaction also proceeded efficiently with NHC (0.2-1 mol %). In some cases, even solid-to-solid or solid-to-liquid conversions took place with low catalyst loading (0.2-1 mol %).

Original languageEnglish
Pages (from-to)5764-5767
Number of pages4
JournalOrganic Letters
Volume18
Issue number21
DOIs
Publication statusPublished - Nov 4 2016
Externally publishedYes

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Keywords

  • Journal Article

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