Functionalization of P4 using a lewis acid stabilized bicyclo-[1.1.0]tetraphosphabutane anion

  • Borger, Jaap E.
  • Ehlers, Andreas W.
  • Lutz, Martin
  • Slootweg, Jack
  • Lammertsma, Koop
Publication date
January 2014

Abstract

Reacting white phosphorus (P4) with sterically encumbered aryl lithium reagents (aryl=2,6-dimesitylphenyl or 2,4,6-tBu3C6H2) and B(C6F5)3 gives the unique, isolable Lewis acid stabilized bicyclo[1.1.0]tetraphosphabutane anion. Subsequent alkylation of the nucleophilic site of the RP4 anion gives access to non-symmetrical disubstituted bicyclic tetraphosphorus compounds. This novel method enables PC bond formation in a controlled fashion using white phosphorus as starting material

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