New N-methylimidazole-functionalized gold clusters 2 catalyze, in 6:4 methanol-water solution, the cleavage of 2,4-dinitrophenyl acetate with more than an order of magnitude rate acceleration with respect to acetyl-N-methylhistamine 3; comparison with dodecanoyl-N-methylhistamine 4 comicellized with Brij 35 reveals that 2 is still a better catalyst than the comicellar system and highlights analogies and differences between the two systems.
N-Methylimidazole-functionalized gold nanoparticles as catalysts for the cleavage of a carboxylic ester
SCRIMIN, PAOLO MARIA;MANCIN, FABRIZIO;
2000
Abstract
New N-methylimidazole-functionalized gold clusters 2 catalyze, in 6:4 methanol-water solution, the cleavage of 2,4-dinitrophenyl acetate with more than an order of magnitude rate acceleration with respect to acetyl-N-methylhistamine 3; comparison with dodecanoyl-N-methylhistamine 4 comicellized with Brij 35 reveals that 2 is still a better catalyst than the comicellar system and highlights analogies and differences between the two systems.File in questo prodotto:
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