苯甲氧羰酰琥珀酰亚胺 、
(±)-benzyl ((6R,8R,10S)-8-(3-((benzoxycarbonyl)amino)pyridin-4-yl)-10-methyl-1,4-dioxaspiro[4.5]decan-6-yl)carbamate 在
钯 氩 、
氢气 、
水 、
Sodium sulfate-III 、 crude residue 作用下,
以
甲醇 、
二氯甲烷 、
乙酸乙酯 为溶剂,
反应 22.0h,
以to yield benzyl (6S,8S,10R)-8-(3-aminopyridin-4-yl)-10-methyl-1,4-dioxaspiro[4.5]decan-6-ylcarbamate (28% yield, 99% ee) and benzyl (6R,8R,10S)-8-(3-aminopyridin-4-yl)-10-methyl-1,4-dioxaspiro[4.5]decan-6-ylcarbamate (13% yield, 99% ee)的产率得到benzyl (6S,8S,10R)-8-(3-aminopyridin-4-yl)-10-methyl-1,4-dioxaspiro[4.5]decan-6-ylcarbamate