Acylchalcogenourea Complexes of Silver(I)
Dörner, M., Rautiainen, M., Rust, J., Lehmann, C. W., & Mohr, F. (2017). Acylchalcogenourea Complexes of Silver(I). European Journal of Inorganic Chemistry, 2017(4), 789-797. https://doi.org/10.1002/ejic.201601074
Published inEuropean Journal of Inorganic Chemistry
DisciplineEpäorgaaninen ja analyyttinen kemiaNanoscience CenterInorganic and Analytical ChemistryNanoscience Center
© 2017 Wiley-VCH Verlag GmbH & Co. KGaA, Weinheim
Acylthio- or acylselenoureas react with silver oxide to form tetranuclear silver(I) complexes containing the deprotonated acylchalcogenourea ligands binding to the silver atoms via the chalcogen and oxygen atoms. These tetrasilver(I) species react with either four or eight equivalents of a phosphine giving either dinuclear silver(I) phosphine complexes or tetrahedral silver diphosphine complexes. In these compounds too, the acylchalcogenourea ligands form sixmembered rings coordinating to the metal through the chalcogen and oxygen atoms. In one case we observed a very rare example of an acylthiourea ligand coordinating through the nitrogen and sulfur atoms, resulting in a four-membered ring. A silver(I) complex containing a deprotonated acylselenourea and an N-heterocyclic carbene ligands is also reported. This was prepared from the corresponding acetate derivative and the acylselenourea; the acetate in this case acts as the base. All compounds reported were characterised by spectroscopic techniques and many also by X-ray diffraction. ...
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