作者:Qi-Lin Zhou、Shou-Fei Zhu、Wang-Qiao Chen、Qian-Qian Zhang、Hong-Xiang Mao
DOI:10.1055/s-0030-1259710
日期:2011.4
A copper-catalyzed asymmetric O-H insertion of α-di-azophosphonates with alcohols by using chiral spiro bisoxazoline ligandswas developed. The insertion reaction exhibited good yields (upto 89%) with high enantioselectivities (up to 98% ee)and provided an efficient approach for synthesis of enantiomericallyenriched α-alkoxy and hydroxy phosphonate derivatives startingfrom readily available materials
使用手性螺双恶唑啉配体开发了铜催化的 α-二偶氮膦酸酯与醇的不对称 OH 插入。插入反应表现出良好的产率(高达 89%)和高对映选择性(高达 98% ee),并为从容易获得的材料开始合成富含对映体的 α-烷氧基和羟基膦酸酯衍生物提供了有效的方法。