Article ID | Journal | Published Year | Pages | File Type |
---|---|---|---|---|
5222654 | Tetrahedron | 2009 | 6 Pages |
Abstract
Preparations are described of twelve new tritopic and tetratopic ligands by coupling of two phenolic precursors with a range of heterocyclic units. X-ray crystal structures of four representative examples revealed the conformations in the solid state with the nitrogen donor atoms separated by distances ranging from 10.9 to 18.2 Å.
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