triflate and (R,R)-Ph-BOX as a catalyst. This method was successfully applied to a variety of 2-hydroxyalkanamides in high enantioselectivity with up to 92% ee, and then tosylated product was easily transformed into optically active α-amino acid derivatives.
在
三氟甲磺酸铜(II)和作为催化剂的(R,R)-Ph-BOX存在下,通过
甲苯磺酰化反应进行了2-羟基烷酰胺的动力学拆分。此方法已成功应用于对映体选择性高达92%ee的高对映体选择性的2-羟基烷酰胺,然后甲
苯磺酸化的产物易于转化为旋光性
α-氨基酸衍
生物。