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Acylseleno- and acylthioureato complexes of gold(I) N-heterocyclic carbenes

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Rust,  Jörg
Service Department Lehmann (EMR), Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Lehmann,  Christian W.
Service Department Lehmann (EMR), Max-Planck-Institut für Kohlenforschung, Max Planck Society;

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Citation

Kuchar, J., Rust, J., Lehmann, C. W., & Mohr, F. (2019). Acylseleno- and acylthioureato complexes of gold(I) N-heterocyclic carbenes. New Journal of Chemistry, 43(27), 10750-10754. doi:10.1039/C9NJ02229E.


Cite as: https://hdl.handle.net/21.11116/0000-0004-8C95-6
Abstract
A series of gold(I) N-heterocyclic carbene complexes containing monoanionic acylchalcogenourea (chalcogen = S, Se) ligands was prepared and characterised by various spectroscopic methods and X-ray diffraction. The compounds were conveniently accessible in good yields through a one-pot reaction involving [AuCl(tht)] (tht = tetrahydrothiophene), the imidazolium salt and the acylchalcogenourea in the presence of excess base. The X-ray diffraction experiments showed that in these complexes, the normally chelating ligands adopt the rare κS/Se-coordination mode in which only the chalcogen is bound to gold.