Pentamethylcyclopentadienyl M(III) Complexes (M = Rh, Ir) Exhibiting 2,3,5,6-tetra(2 '-pyridyl)pyrazine as Seven-membered Chelating Ligand

Graf, Marion; Böttcher, Hans-Christian und Mayer, Peter (2021): Pentamethylcyclopentadienyl M(III) Complexes (M = Rh, Ir) Exhibiting 2,3,5,6-tetra(2 '-pyridyl)pyrazine as Seven-membered Chelating Ligand. In: Zeitschrift für Anorganische und Allgemeine Chemie, Bd. 647, Nr. 13: S. 1316-1318

Abstract

The synthesis and characterization of complex salts [M(eta(5)-C5Me5)Cl(tppz)]PF6 (M=Rh, 1;M=Ir, 2;tppz=2.3.5.6-tetra(2'-pyridyl)pyrazine) are described. Compounds 1 and 2 were obtained by bridge-splitting reactions of [{M(eta(5)-C5Me5)(mu-Cl)Cl}(2)] (M=Rh, Ir) with tppz in MeOH at room temperature and spectroscopically characterized. The molecular structures of 1 and 2 in the crystal were confirmed by single-crystal X-ray diffraction. Unexpectedly both compounds exhibit seven-membered chelate rings within the tppz backbone in contrast to the postulated five-membered chelates for these species in literature.

• Dokumententyp: Zeitschriftenartikel
• Fakultät: Chemie und Pharmazie > Department Chemie
• Themengebiete: 500 Naturwissenschaften und Mathematik > 540 Chemie
• ISSN: 0044-2313
• Sprache: Englisch