New structural features in heavy alkaline earth-metal chemistry molecular heterobimetallic group 1, Ba complexes

Maria Felisa Zuniga, Glen B. Deacon, Karin Ruhlandt

Research output: Contribution to journalArticle

30 Citations (Scopus)

Abstract

The preparation of heterobimetallic complexes consisting of alkali and heavy alkaline earth metals remains a challenge due to limited available synthetic strategies. Here we present a new class of group 1, Ba compounds of the type [Mn(Ba(Odpp)2+n}] (M = Na(n=l) (1), K(n=1) (2). Cs(n=1) (3), Li(n=2) (4); HOdpp = 2,6diphenylphenol) and the Lewis base adducts [Li2(thf)2(Ba(Odpp)4)]·PhMe (5) and [K{Ba(Odpp)3(diglyme)}] (6) (diglyme = [bis(2-methoxy)ethyl ether]) as the first representatives of heterohimetallic group 1. Ba species of low nuclearity. The compounds display a significant degree of metal-arene interaction, believed to be a key factor in stabilizing these highly reactive species. Obtained by solid-state direct metalation, the target compounds are available without further work-up.

Original languageEnglish (US)
Pages (from-to)1921-1928
Number of pages8
JournalChemistry - A European Journal
Volume13
Issue number7
DOIs
StatePublished - 2007

Fingerprint

Alkaline Earth Metals
Alkaline earth metals
Heavy metals
Ethers
Lewis Bases
Alkalies
Metals
Ether
diglyme

Keywords

  • Alkali metals
  • Barium
  • Metalation
  • O donors
  • Phenoxides
  • Pi interactions

ASJC Scopus subject areas

  • Chemistry(all)

Cite this

New structural features in heavy alkaline earth-metal chemistry molecular heterobimetallic group 1, Ba complexes. / Zuniga, Maria Felisa; Deacon, Glen B.; Ruhlandt, Karin.

In: Chemistry - A European Journal, Vol. 13, No. 7, 2007, p. 1921-1928.

Research output: Contribution to journalArticle

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N2 - The preparation of heterobimetallic complexes consisting of alkali and heavy alkaline earth metals remains a challenge due to limited available synthetic strategies. Here we present a new class of group 1, Ba compounds of the type [Mn(Ba(Odpp)2+n}] (M = Na(n=l) (1), K(n=1) (2). Cs(n=1) (3), Li(n=2) (4); HOdpp = 2,6diphenylphenol) and the Lewis base adducts [Li2(thf)2(Ba(Odpp)4)]·PhMe (5) and [K{Ba(Odpp)3(diglyme)}] (6) (diglyme = [bis(2-methoxy)ethyl ether]) as the first representatives of heterohimetallic group 1. Ba species of low nuclearity. The compounds display a significant degree of metal-arene interaction, believed to be a key factor in stabilizing these highly reactive species. Obtained by solid-state direct metalation, the target compounds are available without further work-up.

AB - The preparation of heterobimetallic complexes consisting of alkali and heavy alkaline earth metals remains a challenge due to limited available synthetic strategies. Here we present a new class of group 1, Ba compounds of the type [Mn(Ba(Odpp)2+n}] (M = Na(n=l) (1), K(n=1) (2). Cs(n=1) (3), Li(n=2) (4); HOdpp = 2,6diphenylphenol) and the Lewis base adducts [Li2(thf)2(Ba(Odpp)4)]·PhMe (5) and [K{Ba(Odpp)3(diglyme)}] (6) (diglyme = [bis(2-methoxy)ethyl ether]) as the first representatives of heterohimetallic group 1. Ba species of low nuclearity. The compounds display a significant degree of metal-arene interaction, believed to be a key factor in stabilizing these highly reactive species. Obtained by solid-state direct metalation, the target compounds are available without further work-up.

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