The reactions of 4,5-dihydroxyimidazolidin-2-one with chiral S- and R-N-carbamoyl-(alfa)-amino acids occur diastereoselectively with the formation of corresponding 1R,5S(1S,5R)-glycoluriles as predominant diastereomers; the absolute configuration is determined for three stereoisomers by X-ray diffraction analysis
Highly diastereoselective synthesis of 2-monosubstituted 1R,5S(1S,5R)-glycoluriles on the basis of S- and R-N-carbamoyl-alpha-amino acids
CHEGAEV, Konstantin;
2003-01-01
Abstract
The reactions of 4,5-dihydroxyimidazolidin-2-one with chiral S- and R-N-carbamoyl-(alfa)-amino acids occur diastereoselectively with the formation of corresponding 1R,5S(1S,5R)-glycoluriles as predominant diastereomers; the absolute configuration is determined for three stereoisomers by X-ray diffraction analysisFile in questo prodotto:
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