Alkaline earth metal di- and triphenylmethanides: Analysis of ion association modes

Marites A. Guino-O, Ana Torvisco, Weijie Teng, Karin Ruhlandt-Senge

Research output: Contribution to journalArticlepeer-review

10 Scopus citations

Abstract

A family of alkaline earth metal di- and triphenylmethanides was prepared and examined to illustrate ion association trends and associated reactivity in dependence of metal, coligand and ligand delocalization. To this effect, we are reporting the contact molecules Ba(18-crown-6)(CHPh2)2 and Ba(dme)2(CHPh2)2 (DME, 1,2-dimethoxyethane), the dissociated ions [Ba(hmpa)6][R]2, R = CHPh 2, CPh3 (HMPA, hexamethylphosphoramide), in addition to two compounds with one metal bound anion, and an unassociated one, [Ca(18-crown-6)(N(SiMe3)2)][R], R = CHPh2, CPh3. We are also reporting a highly unusual lithium enolate, [Li2(OCHCH2)(pmdta)2][CHPh2] (PMDTA, N,N,N′,N″,N″-pentamethyldiethylenetriamine), obtained en route to the target compounds via THF scission chemistry.

Original languageEnglish (US)
Pages (from-to)122-130
Number of pages9
JournalInorganica Chimica Acta
Volume389
DOIs
StatePublished - Jul 1 2012

Keywords

  • Alkaline earth metals
  • Contact molecules
  • Diphenylmethanides
  • Dissociated ions
  • Triphenylmethanides

ASJC Scopus subject areas

  • Physical and Theoretical Chemistry
  • Inorganic Chemistry
  • Materials Chemistry

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