The chiral ferrocenyltriphosphane Pigiphos [bis{(S)-1-[(R)-2-(diphenylphosphanyl)ferrocenyl]ethyl}cyclohexylphosphane] forms four-coordinate complexes with IrI and RhI. The tridentate ligand assumes different conformations in the derivatives [Rh(CO)(Pigiphos)]OTf (4) and [IrCl(Pigiphos)] (1b), the latter also showing a drastic deviation from the square-planar geometry. Reactivity studies have focussed on the more reactive 1b. The HCl and O2 adducts have been characterized in solution.
Complexes of Rhodium(I) and Iridium(I) with the Chiral Tridentate Phosphane Pigiphos: Structure and Reactivity Studies
2003
Abstract
The chiral ferrocenyltriphosphane Pigiphos [bis{(S)-1-[(R)-2-(diphenylphosphanyl)ferrocenyl]ethyl}cyclohexylphosphane] forms four-coordinate complexes with IrI and RhI. The tridentate ligand assumes different conformations in the derivatives [Rh(CO)(Pigiphos)]OTf (4) and [IrCl(Pigiphos)] (1b), the latter also showing a drastic deviation from the square-planar geometry. Reactivity studies have focussed on the more reactive 1b. The HCl and O2 adducts have been characterized in solution.File in questo prodotto:
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