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4,5-diazafluorene-based overcrowded alkene: a new ligand for transition metal complexes
Manel Querol1, Helen Stoekli-Evans, Peter Belser
1Department of Chemistry, University of Fribourg, Pérolles, CH-1700 Fribourg, Switzerland.
Organic Letters
|April 2, 2002
Abstract:
[structure: see text] A new ligand system, where a 4,5-diazafluorene-type chelate and a methoxybenzoxanthene unit are coupled by a double bond has been synthesized and fully characterized including X-ray structure. The synthesis and UV-vis spectra of Ru(II), Os(II), and Re(I) complexes with the above-mentioned ligand are also shown.