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Recoverable catalyst for asymmetric Henry reaction based on complex of Cu(II) poly(ethylene glycol)-b-poly(L-glutamate) with imidazolidine-4-one ligands
Authors: Sedlák Miloš | Bhosale Dattatry | Hanusek Jiří | Drabina Pavel
Year: 2014
Type of publication: ostatní - přednáška nebo poster
Page from-to: nestránkováno
Titles:
Language Name Abstract Keywords
eng Recoverable catalyst for asymmetric Henry reaction based on complex of Cu(II) poly(ethylene glycol)-b-poly(L-glutamate) with imidazolidine-4-one ligands The presentation describes preparation and characterization of a recoverable catalyst of Henry reaction based on a Cu(II) complex of block polymer methoxypoly(ethylene glycol)-b-poly(L-glutamic acid) with (2R,5S)- or (2S,5R)-5-isopropyl-5-methyl-2-(pyridine-2-yl)imidazolidine-4-one. The reaction of substituted aldehydes with nitromethane catalyzed by these catalysts proceeds with high chemical yield (70-98 %) and with high enantioselectivity (61 – 92%). Henry reaction; complex; Cu(II); polyethylene glycol-b-polyL-glutamate; imidazolidine-4-one;

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