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  Synthesis and Metal Complexes of Thiourea Ligands Containing Carbohydrate-Derived Substituents

Sternberg, M., Rust, J., Lehmann, C. W., & Mohr, F. (2013). Synthesis and Metal Complexes of Thiourea Ligands Containing Carbohydrate-Derived Substituents. Helvetica Chimica Acta, 96(2), 280-288. doi:10.1002/hlca.201200386.

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Sternberg, Michelle1, Author
Rust, Jörg2, Author              
Lehmann, Christian W.2, Author              
Mohr, Fabian1, Author
Affiliations:
1Fachbereich C – Anorganische Chemie, Bergische Universität Wuppertal, Gaußstr. 20, D-42119 Wuppertal, ou_persistent22              
2Service Department Lehmann (EMR), Max-Planck-Institut für Kohlenforschung, Max Planck Society, ou_1445625              

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Free keywords: Thioureas, sugar-substituted; Metal complexes; Monoanionic ligands; X-Ray crystallography
 Abstract: Two glucose-derived thiourea derivatives, 2a and 2b, were prepared by addition of the corresponding amino sugars to a solution of 4-nitrobenzoyl isothiocyanate (Scheme 1). The thioureas were isolated as colorless solids in good yields and were fully characterized by NMR spectroscopy, optical rotation, elemental analysis, and also by single-crystal X-ray diffraction. Attempts to obtain CuII and NiII bis(chelate) complexes with these thioureas failed. However, the C(1)-protected thiourea derivative 2a reacted with orthopalladated acetato-bridged dimers to afford the corresponding monomeric PdII complexes 3 and 4 (Scheme 2). In these compounds, the thiourea coordinates to the metal as monoanionic O,S chelate ligand, which was confirmed by X-ray crystallography.

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Language(s): eng - English
 Dates: 2013-07-232013-02-182013-02-01
 Publication Status: Published in print
 Pages: 9
 Publishing info: -
 Table of Contents: -
 Rev. Type: Peer
 Identifiers: DOI: 10.1002/hlca.201200386
 Degree: -

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Title: Helvetica Chimica Acta
  Abbreviation : Helv. Chim. Acta
Source Genre: Journal
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Publ. Info: Zürich : Verlag Helvetica Chimica Acta AG
Pages: 9 Volume / Issue: 96 (2) Sequence Number: - Start / End Page: 280 - 288 Identifier: ISSN: 0018-019X
CoNE: https://pure.mpg.de/cone/journals/resource/954925403620