Trapping hemiacetals with phosphono substituted palladium π-allyl complexes for the synthesis of substituted cyclic ethers

Nongnuch Sutivisedsak, Surendra Dawadi, Christopher D. Spilling

Research output: Contribution to journalArticlepeer-review

2 Scopus citations

Abstract

Abstract Oxidation of hydroxy substituted phosphono allylic carbonates gave the aldehyde substituted phosphonates in good yield. Stereospecific palladium (0)-catalyzed cyclization in the presence of methanol or water gave acetal tetrahydrofuran and tetrahydropyran vinyl phosphonate products derived from hemiacetal trapping. The tetrahydrofuran acetals undergo Lewis acid catalyzed addition of nucleophiles to give diastereoisomeric mixtures of substituted tetrahydrofurans.

Original languageEnglish (US)
Article number45720
Pages (from-to)3534-3537
Number of pages4
JournalTetrahedron Letters
Volume56
Issue number23
DOIs
StatePublished - Dec 15 2015

Bibliographical note

Publisher Copyright:
© 2015 Elsevier Ltd.

Keywords

  • Acetal
  • Allyl phosphonates
  • Catalysis
  • Cyclization
  • Palladium π-allyl
  • Vinyl phosphonates

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