Hydrophobic N,N-diarylammonium pyrosulfates as dehydrative condensation catalysts under aqueous conditions

Akira Sakakura, Yoshiki Koshikari, Matsujiro Akakura, Kazuaki Ishihara

Research output: Contribution to journalArticle

27 Citations (Scopus)

Abstract

Oil-soluble N,N-diarylammonium pyrosulfates as nonsurfactant-type catalysts for the dehydrative ester condensation under aqueous conditions are described. Preheat treatment of dibasic sulfuric acid with bulky N,N-diarylamines generates water-tolerant salts of pyrosulfuric acid as active catalyst species. The present catalysts in water can also widely be applied to unusual selective esterifications and dehydrative glycosylation.

Original languageEnglish
Pages (from-to)30-33
Number of pages4
JournalOrganic Letters
Volume14
Issue number1
DOIs
Publication statusPublished - Jan 6 2012
Externally publishedYes

ASJC Scopus subject areas

  • Biochemistry
  • Physical and Theoretical Chemistry
  • Organic Chemistry

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