9-((1,3-dioxoisoindolin-2-yl)methyl)-3-(6-methoxy-4-methyl-6,7-dihydro-[1,3]dioxolo[4,5-h]isoquinolin-7-yl)methyl-2-(1,3-dioxoisoindolin-2-yl)acetate 在
palladium on activated charcoal
氢气 作用下,
以
甲醇 、
二氯甲烷 为溶剂,
以81%的产率得到[(7S,9R)-9-[(1,3-dioxoisoindol-2-yl)methyl]-5-methoxy-4-methyl-6,7,8,9-tetrahydro-[1,3]dioxolo[4,5-h]isoquinolin-7-yl]methyl 2-(1,3-dioxoisoindol-2-yl)acetate