Expedient Syntheses of Neutral and Cationic Au(I)–NHC Complexes
| Autor: | Fady Nahra, Catherine S. J. Cazin, Danila Gasperini, David B. Cordes, Steven P. Nolan, Alexandra M. Z. Slawin, Richard M. P. Veenboer |
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| Přispěvatelé: | University of St Andrews. School of Chemistry, University of St Andrews. EaSTCHEM |
| Rok vydání: | 2017 |
| Předmět: |
Stereochemistry
010402 general chemistry 01 natural sciences Adduct Inorganic Chemistry chemistry.chemical_compound N-HETEROCYCLIC CARBENE ADDUCTS QD Reactivity (chemistry) ALKYNES Physical and Theoretical Chemistry NHC COMPLEXES SILVER-FREE PROTOCOLS 010405 organic chemistry Organic Chemistry Cationic polymerization VERSATILE DAS QD Chemistry Combinatorial chemistry REACTIVITY 0104 chemical sciences Chemistry chemistry ACID CHEMICAL-SHIFTS GOLD CATALYSIS Carbene |
| Zdroj: | ORGANOMETALLICS |
| ISSN: | 1520-6041 0276-7333 |
| DOI: | 10.1021/acs.organomet.7b00622 |
| Popis: | The European Research Council (ERC) and the Engineering and Physical Sciences Research Council (EPSRC), UK are gratefully acknowledged for their support. Umicore AG is thanked for generous donations of auric acid. S.P.N. thanks the King Abdullah University of Science and Technology (KAUST) for support. The synthesis and isolation of gold(I) precatalysts often requires the generation of several isolable intermediates as well as numerous purification steps. New protocols for the expedient synthesis of neutral [Au(OH)(NHC)] and [Au(CH2COCH3)(NHC)] species from [AuCl(NHC)] or [AuCl(DMS)] precursors bearing a variety of N-heterocyclic carbene (NHC) ligands are presented. These methods can be employed in a telescoping manner for the synthesis of catalytically relevant [Au(NTf2)(NHC)] and [Au(NHC)(NCCH3)][BF4] complexes. These attractive methods are straightforward and practical leading to various complexes in high isolated yields and purity. Postprint |
| Databáze: | OpenAIRE |
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