期刊
ORGANIC & BIOMOLECULAR CHEMISTRY
卷 7, 期 9, 页码 1980-1986出版社
ROYAL SOC CHEMISTRY
DOI: 10.1039/b900422j
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资金
- University of Ferrara
The Hantzsch reaction of C-glycosyl aldehyde/enamino ester/beta-ketoester systems under L-proline catalysis to give dihydropyridine C-glycoconjugates is reported. Asymmetric cyclocondensations of differentially substituted enamine and beta-dicarbonyl components with formyl alpha-L-C-threofuranoside and with the alpha-D-isomer were also carried out. Each reaction occurred with high yet opposite stereoselectivity (de > 95%) so that the pair of alpha-threofuranose C-nucleoside enantiomers was prepared.
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