A Convergent Triflate Displacement Approach to (α-Monofluoroalkyl)phosphonates

David B. Berkowitz, Mohua Bose, Nathan G. Asher

Research output: Contribution to journalArticlepeer-review

31 Scopus citations


(Formula Presented) Treatment of primary alkyl triflates or iodides with the potassium salt of diethyl (α-fluoro-α-phenylsulfonylmethyl)phosphonate yields (α-fluoro-α-phenylsulfonylalkyl)phosphonates. These can be cleanly desulfonated, in a matter of minutes, with Na(Hg) in MeOH/THF/NaH2PO4. This two-step procedure complements previously reported triflate displacement approaches to α-nonfluorinated and α,α-difluorinated phosphonates.

Original languageEnglish (US)
Pages (from-to)2009-2012
Number of pages4
JournalOrganic Letters
Issue number13
StatePublished - Jun 28 2001

ASJC Scopus subject areas

  • Biochemistry
  • Physical and Theoretical Chemistry
  • Organic Chemistry


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