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Asymmetric C-C bond forming reactions are of prime importance in modem synthetic organic chemistry. The use of chiral amino alcohol ligands is widespread in this area.[1] Herein, we describe the synthesis of N-sulfonylated amino alcohols 1~4 and enantioselective addition of diethylzinc to aldehydes was carried out employing titanium(Ⅳ) complexes 1~4. 相似文献
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Homogeneous asymmetric catalysis is one of the most important developments in chemistry in the past several decades. Attachment of chiral ligands to a polymeric support offers important advantages such as facilitated workup procedures, easy recovery and reuse of the catalyst in catalytic reactions. Various chiral ligands supported on polymer have been used as catalysts. 相似文献
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