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中文摘要：
以L-丝氨酸为手性源,经过酯化,缩合,还原氨化,关环,格氏反应,成功地得到了一种新的手性β-氨基醇（6）,其结构经过IR,1H NMR,13C NMR,HRMS表征,并首次将其应用于催化二乙基锌对苯甲醛的不对称加成反应中,得到了较高的产率（82.8%）和较好的ee值（76.1%）.
英文摘要：
A novel chiral β- amino alcohol ligands esterification, condensation, reductive amination, （6） has been successfully synthesized from L- serine through ring -closing reaction and Grignard reaction. The structure of 6 was characterized by IR, 1H NMR, 13C NMR and HRMS. 6 has been used as catalyst for the first time in the enan- tioselective addition of diethylzinc to benzaldehyde to provide sec - alcohol with high yield （ 82.8% ） and good ee （76.1%）.
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