Electric Literature of 37366-09-9, Children learn through play, and they learn more than adults might expect. Science experiments are a great way to spark their curiosity, get their minds active, and encourage them to do something that doesn’t involve a screen. 37366-09-9, C12H12Cl4Ru2. A document type is Article, introducing its new discovery.
A straightforward route to chiral AgI and RuII complexes with phenanthrene-fused N-heterocyclic carbene (NHC) ligands is described. The chiral imidazole derivative 1 was prepared in high yield by a simple one-pot reaction starting from commercially available 9,10-phenanthrenequinone. Imidazolium salts 2 and 3 were obtained by alkylation of 1 with alkyl bromides and subsequent anion exchange with Amberlyst A21 resin. Deprotonation with KOtBu led to the corresponding free carbenes 4 and 5, which were isolated without dimerization. Stirring carbene 4 in acetonitrile resulted in CH insertion. AgI complexes were obtained by treatment of the imidazolium salts with Ag2O and showed an interesting low-temperature behavior in the 1H NMR spectrum. Transmetalation with a Ru precursor led to the corresponding RuII complexes. Chiral phenanthro-annulated imidazolium salts were prepared from 9,10-phenanthrenequinone and 1-phenylethylamine and converted to N-heterocyclic carbenes. AgI complexes were obtained by reaction of the imidazolium salts with Ag 2O and used for transmetalation with [RuCl2(C 6H6)]2. Both the AgI and the Ru II complexes showed restricted flexibility in solution. Copyright
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Highly efficient and robust molecular ruthenium catalysts for water oxidation,
Catalysts | Special Issue : Ruthenium Catalysts – MDPI