Synthesis and characterization of a NCsp3N pincer complex upon coordination of a bis(pyridine)-functionalized indene
| Autor: | Volodymyr Vreshch, Julien Monot, Blanca Martin-Vaca, Didier Bourissou |
|---|---|
| Rok vydání: | 2018 |
| Předmět: |
010405 organic chemistry
Stereochemistry chemistry.chemical_element Nuclear magnetic resonance spectroscopy 010402 general chemistry Ring (chemistry) 01 natural sciences 0104 chemical sciences Pincer movement Inorganic Chemistry chemistry.chemical_compound chemistry Polymer chemistry Pyridine Materials Chemistry Lithium Physical and Theoretical Chemistry Indene Linker Palladium |
| Zdroj: | Polyhedron. 143:49-56 |
| ISSN: | 0277-5387 |
| DOI: | 10.1016/j.poly.2017.07.020 |
| Popis: | The IndH2(CH2Py)2 1-H pro-ligand has been prepared and its coordination to Pd(II) has been investigated. Mono-lithiation of 1-H gives a symmetric piano-stool complex 2 in which the indenyl ring is η5-coordinated and the two pyridine sidearms are bonded to lithium. Treatment of 2 with [Pd(PhCN)2Cl2] and direct reaction of 1-H with Na2PdCl4 lead to the same unsymmetric Pd pincer complex 3, whose structure was ascertained by NMR spectroscopy and X-ray diffraction. The formation of this NCsp3N Pd pincer complex results from the rearrangement of a 2-indenylbispyridine pincer complex via H shift from one of the CH2 linker to the central carbon atom of the indenyl backbone linked to Pd (C2). |
| Databáze: | OpenAIRE |
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