Stereoselective synthesis of 1,2,3,4-tetrasubstituted dienes from allenoates and aldehydes: An observation of phosphine-induced chemoselectivity

  • Silong Xu
  • , Wen Zou
  • , Guiping Wu
  • , Haibin Song
  • , Zhengjie He

Research output: Contribution to journalArticlepeer-review

47 Scopus citations

Abstract

(Equation Presented). Phosphine-mediated olefination between α-substituted allenoates and aldehydes to form 1,2,3,4-tetrasubstituted 1,3-dienes is presented. High levels of chemo-and diastereoselectivity and yield are obtained for a wide scope of substrates with the choice of appropriate phosphines. This reaction evidences the capacity of phosphines in the control of reaction pathways and provides a highly efficient synthetic method for tetrasubstituted conjugated dienes.

Original languageEnglish
Pages (from-to)3556-3559
Number of pages4
JournalOrganic Letters
Volume12
Issue number15
DOIs
StatePublished - 6 Aug 2010
Externally publishedYes

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