The new ferrocene-bridged bis( 1,8-naphthyridine) ligand 1 has been prepare
d in a good yield from 1, 1'-diacetylferrocene and 2-aminonicotinoaldehyde.
The coordination with copper(I) and silver(I) gives mononuclear complexes,
showing that 1 can act as a tetradentate ligand. (C) 2000 Elsevier Science
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