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A pyrazolyl-terminated 2,2':6',2''-terpyridine ligand : Iron(II), ruthenium(II) and palladium(II) complexes of 4'-(3,5-dimethylpyrazol-1-yl)-2,2':6',2''-terpyridine

Beves, Jonathon E. and Constable, Edwin C. and Housecroft, Catherine E. and Neuburger, Markus and Schaffner, Silvia. (2008) A pyrazolyl-terminated 2,2':6',2''-terpyridine ligand : Iron(II), ruthenium(II) and palladium(II) complexes of 4'-(3,5-dimethylpyrazol-1-yl)-2,2':6',2''-terpyridine. Polyhedron, 27 (11). pp. 2395-2401.

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Official URL: http://edoc.unibas.ch/dok/A6055997

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Abstract

The preparation of 4`-(3,5-dimethylpyrazol-1-yl)-2,2`:6`,2 ``-terpyridine (2) under acidic conditions results in the formation of the salts [H(2)2][MeOSO3](2) and [H(2)2][EtOSO3](2), treatment of which with base leads to neutral 2. The structure of [H(2)2][EtOSO3](2) center dot H2O has been established by single crystal X-ray diffraction. The complexes [Fe(2)(2)][PF6](2) and [Ru(2)(2)][PF6](2) have been prepared and characterized, and the single crystal structure determination of [Ru(2)(2)][PF6](2) is reported; [Fe(2)(2)][PF6](2) is isostructural with [Ru(2)(2)][PF6](2). Treatment of [Fe(2)(2)](2+) with PdCl2 produces [Pd(2)Cl](+), isolated and structurally characterized as the hexafluoridophosphate salt, illustrating that metal exchange within the tpy-binding domain occurs in preference to palladium(II) coordination by the N-donor atom of the pendant 3,5-dimethylpyrazol-1-yl unit in 2. [Pd(2)Cl](2+) can also be prepared from PdCl2 and [H(2)2][MeOSO3](2) in refluxing methanol.
Faculties and Departments:05 Faculty of Science > Departement Chemie > Chemie > Anorganische Chemie (Constable)
05 Faculty of Science > Departement Chemie > Chemie > Anorganische Chemie (Housecroft)
UniBasel Contributors:Constable, Edwin Charles and Housecroft, Catherine Elizabeth and Neuburger, Markus
Item Type:Article, refereed
Article Subtype:Research Article
Publisher:Elsevier
ISSN:0277-5387
e-ISSN:1873-3719
Note:Publication type according to Uni Basel Research Database: Journal article
Identification Number:
Last Modified:12 Apr 2017 06:37
Deposited On:01 Feb 2013 08:40

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