乙酸酐 、
(4S,5S)-4-[(S)-Amino-(5,5-dimethyl-[1,3]dioxan-2-yl)-methyl]-2,2-dimethyl-[1,3]dioxan-5-ol 在
4-二甲氨基吡啶 作用下,
以
吡啶 为溶剂,
反应 48.0h,
以60%的产率得到Acetic acid (4S,5S)-4-[(S)-acetylamino-(5,5-dimethyl-[1,3]dioxan-2-yl)-methyl]-2,2-dimethyl-[1,3]dioxan-5-yl ester