(3aS,3bR,10bR,12R,12aR)-6-hydroxy-2,2-dimethyl-12-(propylamino)-3b,4,10b,11,12,12a-hexahydrobis([1,3]dioxolo)[4,5-c:4',5'-j]phenanthridin-5(3aH)-one 、
三氟乙酸 以
四氢呋喃 、
水 为溶剂,
以100%的产率得到3,4,7-trihydroxy-2-propylamino-1,3,4,4a,5,11b-hexahydro-2H-[1,3]dioxolo[4,5-j]phenanthridin-6-one trifluoroacetate