tert-Butyl-5-((4-(5-(4-ethoxy-3-methoxyphenyl)-1,2,4-oxadiazol-3-yl)-1H-indol-1-yl)methyl)-2,2-dimethyl-1,3-dioxan-5-ylcarbamate 、
tert-butyl 5-((4-(5-(3,4-diethoxyphenyl)-1,2,4-oxadiazol-3-yl)indolin-1-yl)methyl)-2,2-dimethyl-1,3-dioxan-5-ylcarbamate 以the identical process afforded the title compound in 83% yield的产率得到2-amino-2-((4-(5-(4-ethoxy-3-methoxyphenyl)-1,2,4-oxadiazol-3-yl)indolin-1-yl)methyl)propane-1,3-diol