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Highly enantioselective nitroaldol reaction catalyzed by copper(ii) complexes derived from substituted 2-(pyridin-2-yl)imidazolidin-4-one ligands-2

Autoři: Panov Illia | Drabina Pavel | Sedlák Miloš

Rok: 2012

Druh publikace: ostatní - přednáška nebo poster

Strana od-do: nestránkováno

Tituly:

Jazyk	Název	Abstrakt	Klíčová slova
eng	Highly enantioselective nitroaldol reaction catalyzed by copper(ii) complexes derived from substituted 2-(pyridin-2-yl)imidazolidin-4-one ligands-2	Ten optically pure substituted 2-(pyridin-2-yl)imidazolidin-4-ones were prepared and characterized. The Cu(II) complexes of the respective ligands were studied as enantioselective catalysts of the nitroaldol (Henry) reaction of aldehydes with nitromethane, giving the corresponding substituted 2-nitroalkanols. In the case of an anti arrangement of the imidazolidin-4-one ring, the obtained result was 91–96% ee, whereas in the case of syn arrangement, a significant drop to 25–27%ee was observed.	enantioselectivity; nitroaldol reaction; catalysis; copper(II) complexes; 2-pyridin-2-ylimidazolidin-4-one

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