Coordination-induced hydrogen abstraction in the reactions of a stable dialkylphosphinyl radical with BH3-Lewis base adducts

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Abstract

Reactions of a stable dialkylphosphinyl radical, 2,2,5,5-tetrakis(trimethylsilyl)-1-phosphacyclopentane-1-yl (1) with BH3-Lewis base (LB) adducts [BH3(LB)] provided hydrophosphine 3, hydrophosphine-borane complex 4, and μ-phosphinodiborane(6) 5 as detectable products via hydrogen abstraction. Theoretical studies revealed that BH bonds in BH3 become considerably weaker upon coordination of 1, which reflected in facile hydrogen abstraction from phosphinyl radical-BH3 complex.

Original languageEnglish
Pages (from-to)883-885
Number of pages3
JournalChemistry Letters
Volume46
Issue number6
DOIs
Publication statusPublished - 2017

Keywords

  • Boron-lewis base complex
  • Hydrogen abstraction
  • Phosphinyl radical

ASJC Scopus subject areas

  • Chemistry(all)

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