Charge??Transfer Interactions: An Efficient Tool for Recycling Bis (oxazoline)??Copper Complexes in Asymmetric Henry Reactions

…, C Magnier??Bouvier, E Schulz

文献索引：Didier, Dorian; Magnier-Bouvier, Caroline; Schulz, Emmanuelle Advanced Synthesis and Catalysis, 2011 , vol. 353, # 7 p. 1087 - 1095

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被引用次数: 28

摘要

Abstract An anthracenyl-modified chiral bis (oxazoline) copper complex has been demonstrated to efficiently promote nitroaldol reactions between structurally varying aldehydes and nitromethane or nitroethane. The catalyst was recovered through formation of a charge transfer complex between the chiral ligand and trinitrofluorenone and its subsequent precipitation with pentane. The efficiency of this procedure was proved ...