(R)-N-(2-hydroxy-1-phenylethyl)pent-4-ynamide 、
D-苯甘氨醇 、
炔丙基脲 、
2,2-二甲基-4-戊烯酸 、 以
二氯甲烷 为溶剂,
以The product (1.5 g) was obtained as a clear oil in 46% yield over two steps after column chromatography (Hexanes/Ethyl Acetate gradient)的产率得到(R)-2-(pent-4-ynamido)-2-phenylethyl 2,2-dimethylpent-4-enoate