Use of Bis-(chiral α-methylbenzyl)glycine Esters for Synthesis of Enantiopure β-Hydroxyamino Esters
作者:Ayako Yamashita、Emily B. Norton、R. Thomas Williamson、Douglas M. Ho、Sandra Sinishtaj、Tarek S. Mansour
DOI:10.1021/ol030085j
日期:2003.9.1
[reaction: see text] Aldol reactions using bis-(chiral alpha-methylbenzyl)glycine esters with aldehydes gave excellent diastereoselectivity. Thus, an enantiopure ribosylglycine was prepared for the synthesis of analogues of the natural antibiotics muraymycin. This method was extended for formation of beta-hydroxyamino esters.
[反应:见正文]使用双-(手性α-甲基苄基)甘氨酸酯与醛类的醛醇缩合反应具有出色的非对映选择性。因此,制备了对映体纯的核糖基甘氨酸,用于合成天然抗生素穆雷霉素的类似物。该方法被扩展用于形成β-羟基氨基酯。