期刊论文详细信息
Journal of the Brazilian Chemical Society | |
Novel chiral ionic liquid (CIL) assisted selectivity enhancement to (L)-proline catalyzed asymmetric aldol reactions | |
Zhou, Xiaohai1  Zhang, Long1  Wuhan University1  Cheng, Gongzhen1  Luo, Huadong1  Zhang, Haibo1  | |
关键词: aldol reaction; asymmetric synthesis; chiral ionic liquids; chiral additive; | |
DOI : 10.1590/S0103-50532011000900016 | |
学科分类:化学(综合) | |
来源: SciELO | |
【 摘 要 】
A significant improvement of the chemical yields (up to 88%), stereoselectivity (> 99:1) and enantiomeric excesses (up to 98%) of (L)-proline catalyzed direct asymmetric aldol reaction was found when proline based chiral ionic liquids (CILs) were added as additives. Different ratios of DMSO/H2O as solvent and chiral ionic liquids (CILs) with chiral cations of different chain length were investigated.
【 授权许可】
Unknown
【 预 览 】
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RO201912050581431ZK.pdf | 4166KB | download |