Journal
CHEMISTRY-A EUROPEAN JOURNAL
Volume 26, Issue 43, Pages 9481-9485Publisher
WILEY-V C H VERLAG GMBH
DOI: 10.1002/chem.202002682
Keywords
corroles; palladium; porphyrins; porphyrinoids; sapphyrins
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Funding
- Pazy Foundation
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Palladium complexes of corrole and sapphyrin were prepared in high yield and fully characterized. The corrole provides a tetradentate/trianionic square planar coordination sphere for Pd-II, charge balanced by pyridinium. Both one and two Pd(II)ions may be accommodated by the pentapyrrolic skeleton of the sapphyrin, and in each case the macrocycle acts as bidentate/monoanionic ligand and the inner-sphere square planar geometry is completed by allyl anions coordinated in an eta(3)fashion. NMR spectroscopy and X-ray crystallography data analyses uncovered the presence of interesting stereoisomers due to the flexibility of the ally ligands and also the pyrrole ring(s) that is/are not involved in metal binding.
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