Catalytic asymmetric epoxidation of α,β-unsaturated esters using an yttrium-biphenyldiol complex

Hiroyuki Kakei, Riichiro Tsuji, Takashi Ohshima, Masakatsu Shibasaki

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63 Citations (Scopus)

Abstract

We succeeded in a catalytic asymmetric epoxidation reaction of α,β-unsaturated esters via a conjugate addition of an oxidant using 2-10 mol % of the yttirium-chiral biphenyldiol catalyst. A variety of substrates with β-aryl and β-alkyl substituents were epoxidized efficiently, yielding the corresponding α,β-epoxy esters in up to 97% yield and 99% ee.

Original languageEnglish
Pages (from-to)8962-8963
Number of pages2
JournalJournal of the American Chemical Society
Volume127
Issue number25
DOIs
Publication statusPublished - Jun 29 2005
Externally publishedYes

All Science Journal Classification (ASJC) codes

  • Catalysis
  • Chemistry(all)
  • Biochemistry
  • Colloid and Surface Chemistry

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