(S)-4-(((3R,4R)-4-(3,4-dimethoxybenzyl)-2-oxotetrahydrofuran-3-yl)methyl)-2-methoxyphenyl 3-((tert-butoxycarbonyl)amino)pyrrolidine-1-carboxylate 在
盐酸 作用下,
以
1,4-二氧六环 为溶剂,
反应 3.0h,
以36.4%的产率得到(S)-4-(((3R,4R)-4-(3,4-dimethoxybenzyl)-2-oxotetrahydrofuran-3-yl)methyl)-2-methoxyphenyl 3-aminopyrrolidine-1-carboxylate