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dc.contributor.authorBrill, Marcel
dc.contributor.authorCollado-Martinez, Alba
dc.contributor.authorCordes, David Bradford
dc.contributor.authorSlawin, Alexandra Martha Zoya
dc.contributor.authorVogt, Matthias
dc.contributor.authorGruetzmacher, Hansjoerg
dc.contributor.authorNolan, Steven Patrick
dc.identifier.citationBrill , M , Collado-Martinez , A , Cordes , D B , Slawin , A M Z , Vogt , M , Gruetzmacher , H & Nolan , S P 2015 , ' Synthesis and characterization of gold(I) complexes of dibenzotropylidene-functionalized NHC ligands (Trop-NHCs) ' , Organometallics , vol. 34 , no. 1 , pp. 263-274 .
dc.identifier.otherPURE: 168874577
dc.identifier.otherPURE UUID: 360c4896-4738-4563-95f2-a102a6d5a161
dc.identifier.otherWOS: 000347864300032
dc.identifier.otherScopus: 84921026767
dc.identifier.otherORCID: /0000-0002-5366-9168/work/28024016
dc.identifier.otherORCID: /0000-0002-9527-6418/work/56861691
dc.descriptionThe ERC (Advanced Investigator Award-FUNCAT), Syngenta, and the EPSRC are gratefully thanked for support of this work. S.P.N. is a Royal Society Wolfson Research Merit Award holder.en
dc.description.abstractGold(I) complexes of dibenzotropylidene-functionalized N-heterocyclic carbene ligands (Trop-NHCs) have been prepared in order to investigate their structural features and to reveal possible interactions of the olefin unit with the metal center. The precursor imidazolium chloride salts (R-1) were generated in a single step using N-substituted imidazoles (R = H, Me, DiPP, Ad) and 1 or 2 equiv of Trop-Cl, generating unsymmetrical and symmetrical NHC-olefin hybrids. The structural parameters of the ligands were determined by synthesis and X-ray diffraction analysis of their corresponding gold(I) chloride complexes, revealing highly flexible steric demands of the Trop unit. Conversion of these complexes with halide-abstracting reagents such as AgNTf2 and NaBArF24 cleanly gave neutral, NTf2-coordinated complexes of the type [(NHC)Au(NTf2)] (R-3) and the cationic bis-NHC-coordinated complexes [(NHC)2Au]BArF24 (R-4), respectively. The Gagosz-type complexes R-3 were further tested in the hydration of diphenylacetylene, showing a clear trend in activity depending on the ligand’s sensitivity to hydrolysis.
dc.rightsThis document is the Accepted Manuscript version of a Published Work that appeared in final form in Organometallics, copyright © 2014 American Chemical Society after peer review and technical editing by the publisher. To access the final edited and published work see
dc.subjectQD Chemistryen
dc.titleSynthesis and characterization of gold(I) complexes of dibenzotropylidene-functionalized NHC ligands (Trop-NHCs)en
dc.typeJournal articleen
dc.contributor.sponsorEuropean Research Councilen
dc.contributor.institutionUniversity of St Andrews. School of Chemistryen
dc.contributor.institutionUniversity of St Andrews. EaSTCHEMen
dc.description.statusPeer revieweden
dc.identifier.grantnumberFP7-227817 FUNCATen

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