Synthesis and characterization of lithium complexes of 2- (diphenylphosphanylamino)pyridine and N,2-bis(diphenylphosphanyl)benzeneamine

Kochappilly O. Xavier, Elena Smolensky, Moshe Kapon, Stephen M. Aucott, J. Derek Woollins, Moris S. Eisen*

*Corresponding author for this work

Research output: Contribution to journalArticlepeer-review

15 Scopus citations


Lithium complexes of 2-(diphenylphosphinoamino)pyridine and N,2-bis(diphenylphosphanyl)benzeneamine have been synthesized from the corresponding neutral compounds. In the former complex, the metal ion is coordinated to both nitrogen atoms, forming a constrained four-membered ring, whereas the latter complex forms a five-membered ring as the metal ion coordinates preferentially to the phosphorus atom. Coordination of the metal ion in both complexes is dictated primarily by soft-hard interactions and, subsequently, by the constrained geometry of the ring formed. Both lithium complexes and the corresponding neutral compounds have been characterized by single-crystal X-ray diffraction.

Original languageEnglish
Pages (from-to)4795-4802
Number of pages8
JournalEuropean Journal of Inorganic Chemistry
Issue number24
StatePublished - 17 Dec 2004
Externally publishedYes


  • (Diphenylphosphanylamino)pyridine
  • Hardsoft interactions
  • Lithium complexes
  • N,2- Bis(diphenylphosphanyl)benzeneamine
  • N,N-chelation
  • N,P-chelation
  • X-ray diffraction


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