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Synthesis, characterization and structural investigation of new rhenium-oxo complexes containing bidentate phosphine ligands: an exploration of chirality and conformation in chelate rings of small and large bite angle ligands
Maria L. Parr,Carmen Perez-Acosta,J. W. Faller
New Journal of Chemistry Pub Date : 02/10/2005 00:00:00 , DOI:10.1039/B412818D
Abstract

The new rhenium complexes, [ReOCl3(L2)], incorporating bidentate organophosphorus ligands [L2 = dppe-F20 (the perfluorinated analog of dppe), xantphos, rac-BINAP, biphep and DPEphos] were successfully synthesized using [ReOCl3(AsPh3)2] as the precursor. The complexes were characterized by IR, 1H and 31P NMR, elemental analysis and X-ray diffraction. The X-ray structures reveal a distorted octahedral geometry with a facial arrangement of chloro ligands and an axial rhenium-oxo group.

Graphical abstract: Synthesis, characterization and structural investigation of new rhenium-oxo complexes containing bidentate phosphine ligands: an exploration of chirality and conformation in chelate rings of small and large bite angle ligands
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