Phosphonitrilic Compounds. XII. the Alkaline Hydrolysis of Fluoroalkoxycyclophosphazenes

H. R. Allcock, E. J. Walsh

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29 Scopus citations


Product analysis studies of the hydrolysis of [NP(OCH2CF3)2]3 in basic aqueous methanol revealed a nongeminal pathway for the removal of trifluoroethoxy groups from phosphorus. Kinetic studies of the removal of the first fluoroalkoxy group from [NP(OCH2CF3)2]3, [NP(OCH2C2F5)2]3, [NP(OCH2C3F7)2]3, [NP(OCH2CF3)2]4, and [NP(OCH2C3F7)2]4 in basic 25% aqueous diglyme showed that, for cyclic trimers, the ease of ligand displacement is in the order: OCH2C2F5 > OCH2CF3 > OCH2CF7. Cyclic tetramers hydrolyzed two to four times faster than the appropriate trimers. The mechanistic implications of these results are discussed.

Original languageEnglish (US)
Pages (from-to)119-124
Number of pages6
JournalJournal of the American Chemical Society
Issue number1
StatePublished - Jan 1 1972

All Science Journal Classification (ASJC) codes

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


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