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Permanent URL to this publication: http://dx.doi.org/10.5167/uzh-1687

Willermann, M; Mulcahy, C; Sigel, R K O; Cerdà, M M; Freisinger, E; Sanz Miguel, P J; Roitzsch, M; Lippert, B (2006). Pyrazine as a building block for molecular architectures with PtII. Inorganic Chemistry, 45(5):2093-2099.

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A series of pyrazine (pz) complexes containing cis-(NH(3))(2)Pt(II), (tmeda)Pt(II) (tmeda = N,N,N',N'-tetramethylethylenediamine), and trans-(NH(3))(2)Pt(II) entities have been prepared and characterized by X-ray crystallography and/or (1)H NMR spectroscopy. In these compounds, the pz ligands act as monodentate (1-3) or bidentate bridging ligands (4-7). Three variants of the latter case are described: a dinuclear complex [Pt(II)](2) (4b), a cyclic tetranuclear [Pt(II)](4) complex (5), and a trinuclear mixed-metal complex [Pt(2)Ag] (7). Mono- and bidentate binding modes are readily differentiated by (1)H NMR spectroscopy, and the assignment of pz protons in the case of monodentate coordination is aided by the observation of (195)Pt satellites. Formation of the open molecular box cis-[{(NH(3))(2)Pt(pz)}(4)](NO(3))(8).3.67H(2)O (5) from cis-(NH(3))(2)Pt(II) and pz follows expectations of the "molecular library approach" for the generation of a cyclic tetramer.


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Item Type:Journal Article, refereed, original work
Communities & Collections:07 Faculty of Science > Department of Chemistry
Dewey Decimal Classification:540 Chemistry
Date:6 March 2006
Deposited On:11 Feb 2008 12:24
Last Modified:27 Nov 2013 21:47
Publisher:American Chemical Society
Additional Information:This document is the Accepted Manuscript version of a Published Work that appeared in final form in Inorganic Chemistry, copyright © American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see http://pubs.acs.org/doi/abs/10.1021/ic051966k
Publisher DOI:10.1021/ic051966k
PubMed ID:16499371

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