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- W2950949964 endingPage "10652" @default.
- W2950949964 startingPage "10644" @default.
- W2950949964 abstract "A class of chiral ligands has been developed by combining phenanthroline with quinine in a one-step method that does not require resolution. The synthesized three ligands were then coordinated with Cu(II) and the performance of the resultant chiral catalysts in the asymmetric Henry reaction was evaluated. Moderate to good yields (up to 86%) with high enantioselectivities (up to 99% ee) were observed in the reactions catalyzed by one of the three catalysts. Theoretical calculations were performed to analyze the catalytic activities of the different Cu(II)-ligand catalysts. Three different ligands were investigated and one ligand was found to adopt an unexpected five-coordinated mode; the second coordinated with two nitrogen atoms of phenanthroline to give a complex, which activated both substrates of Henry reaction; the third was unable to form a complex with Cu(II)." @default.
- W2950949964 created "2019-06-27" @default.
- W2950949964 creator A5029727599 @default.
- W2950949964 creator A5042556298 @default.
- W2950949964 creator A5061022837 @default.
- W2950949964 creator A5061352985 @default.
- W2950949964 creator A5081145014 @default.
- W2950949964 creator A5084238139 @default.
- W2950949964 creator A5090606294 @default.
- W2950949964 date "2013-12-01" @default.
- W2950949964 modified "2023-10-08" @default.
- W2950949964 title "Synthesis and computation of diastereomeric phenanthroline–quinine ligands and their application in asymmetric Henry reaction" @default.
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