Copper(I)/SaBOX catalyzed highly diastereo- and enantio-selective cyclopropanation of cis-1,2-disubstituted olefins with α-nitrodiazoacetates

  • Liang Wen Feng
  • , Peng Wang
  • , Lijia Wang
  • , Yong Tang*
  • *Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

24 Scopus citations

Abstract

A copper-catalyzed highly stereoselective cyclopropanation of 1,2-disubstituted olefins with α-nitrodiazo acetates has been developed, giving the desired products in up to 97 % yields, up to >99/1 dr and up to 98 % ee, which provides an efficient access to the synthesis of optical active cyclopropane α-amino acids and unnatural α-amino acid derivatives.

Original languageEnglish
Pages (from-to)210-215
Number of pages6
JournalScience Bulletin
Volume60
Issue number2
DOIs
StatePublished - 9 Jan 2015
Externally publishedYes

Keywords

  • Asymmetric catalysis
  • Bisoxazoline
  • Cyclopropanation
  • Sidearm
  • α-Amino acids

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