1-((4aS)-3t,6a-dihydroxy-5-methyl-(4ar,6at,13btC1)-3,4,4a,5,6,6a-hexahydro-8H-[1,3]dioxolo[4',5':6,7]isochromeno[3,4-c]indol-6c-yl)-propan-2-one 、
乙酸酐 在
吡啶 作用下,
生成 1-((4a
S)-3
t-acetoxy-6a-hydroxy-5-methyl-(4a
r,6a
t,13b
tC1)-3,4,4a,5,6,6a-hexahydro-8
H-[1,3]dioxolo[4',5':6,7]isochromeno[3,4-
c]indol-6
c-yl)-propan-2-one