“LiZn(TMP)3”, a zincate or a turbo-lithium amide reagent? DOSY NMR spectroscopic evidence

Pablo Garcia-Alvarez, Robert Mulvey, John Parkinson

Research output: Contribution to journalArticle

59 Citations (Scopus)

Abstract

DOSY NMR studies (see picture; TMP=2,2,6,6-tetramethylpiperidide; TMEDA=N,N,N′,N′-tetramethylethylenediamine) reveal the true nature of the synthetically useful basic mixture formed by reacting three equivalents of LiTMP with one of (TMEDA)⋅ZnCl2 in THF. Surprisingly, Zn(TMP)2 is just a spectator of the mutual interactions shown between LiTMP and the LiCl coproduct released from the transmetalation/“salt elimination” reaction.
Original languageEnglish
Pages (from-to)9668-9671
Number of pages4
JournalAngewandte Chemie
Volume50
Issue number41
DOIs
Publication statusPublished - 4 Oct 2011

Keywords

  • turbo-lithium amide reagent
  • zincate
  • spectroscopy
  • structure elucidation
  • lithium chloride
  • lithium zincates

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