[H2C(CH2)5NLI]6, the first cyclized lithium amide ladder: synthesis and structure of hexamethyleneimidolithium

D BARR, W CLEGG, S M HODGSON, G R LAMMING, Robert Mulvey, A J SCOTT, R SNAITH, D S WRIGHT

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Abstract

The title compound is best described not as two superimposed cyclic trimers, but rather as a “cyclic ladder” with six rungs. In crystalline form it exists as the hexamer 1. This is the first noncomplexed oligomeric lithium amide derivative with n > 4, as well as the first that does not consist of a simple, planar (NLi)n ring. Cryoscopic and 7Li NMR measurements verify that solutions of 1 contain not only the hexamer but also higher aggregates.
Original languageEnglish
Pages (from-to)1241-1243
Number of pages3
JournalAngewandte Chemie International Edition
Volume28
Issue number9
DOIs
Publication statusPublished - Sep 1989

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Keywords

  • hexamethyleneimidolithium
  • lithium amide ladder

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