New chiral pyrazine-based ligands for self-assembly reactions

The syntheses of two families of ditopic N-heterocyclic ligands are described. All the compounds contain a central pyrazine ring connected to peripheral pyridine or bipyridine moieties, providing bipyridine- and terpyridine-like binding sites, respectively. Annellated terpene fragments render these...

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Published inPerkin 1 : an international journal of organic and bio-organic chemistry no. 16; pp. 1881 - 1886
Main Authors Bark, T, Stoeckli-Evans, H, von Zelewsky, A
Format Journal Article
LanguageEnglish
Published CAMBRIDGE Royal Soc Chemistry 08.08.2002
Subjects
Chemistry
Chemistry, Organic
Physical Sciences
Science & Technology
CRYSTAL
COMPLEXES
MONOTERPENES
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Summary:The syntheses of two families of ditopic N-heterocyclic ligands are described. All the compounds contain a central pyrazine ring connected to peripheral pyridine or bipyridine moieties, providing bipyridine- and terpyridine-like binding sites, respectively. Annellated terpene fragments render these metal chelators chiral. Thus they face the challenge of introducing stereoselectivity into the formation of chiral, multinuclear co-ordination species.
ISSN:1472-7781
DOI:10.1039/b205563p