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Reactivity of Tris(1-pyrazolyl)methane Towards Ru0 Complexes

✍ Scribed by Massimo Guelfi; Lucia Calucci; Claudia Forte; Paolo Pertici; Gianfranco Denti

Publisher
John Wiley and Sons
Year
2011
Tongue
English
Weight
267 KB
Volume
2011
Category
Article
ISSN
1434-1948

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✦ Synopsis

Abstract

By treating tris(1‐pyrazolyl)methane (tpm) with suitably activated [Ru(cod)(cot)] and [Ru(cod)(nap)] (cod = η^4^‐cycloocta‐1,5‐diene, cot = η^6^‐cycloocta‐1,3,5‐triene, nap = η^6^‐naphthalene) the (hydrido)Ru^II^ species [Ru(N^2^,N^2′^,C^5″^‐tpm)(cod)H] with cyclometalated tpm was obtained. This complex reacted with chloroform at room temperature to give [Ru(N^2^,N^2′^,C^5″^‐tpm)(cod)Cl] and dichloromethane. The coordination and symmetry of the novel complexes were elucidated by ^1^H and ^13^C NMR spectroscopy.

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Tris(pyrazolyl)methane Ligands: Synthese
Tris(pyrazolyl)methane Ligands: Syntheses and Structures of Monometallic and Metallodendritic Complexes
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## Abstract The substituted ligands Me~3~SiC(pz)~3~ (1) and Me~3~SiOCH~2~C(pz)~3~ (2) have been prepared starting from HC(pz)~3~ and HOCH~2~C(pz)~3~. The molecular structure of compound 1 has been determined by X‐ray diffraction studies, which show a propeller‐like conformation of the pyrazolyl rin