(4-(1-methyl-5-((5-(1-methylazetidin-3-yloxy)pyridin-2-yl)amino)-6-oxo-1,6-dihydropyridin-3-yl)-2-(1-oxo-3,4,6,7,8,9-hexahydropyrazino[1,2-a]indol-2(1H)-yl)pyridin-3-yl)methyl acetate 以
四氢呋喃 、
水 、
异丙醇 为溶剂,
以42%的产率得到2-[3-(hydroxymethyl)-4-[1-methyl-5-[[5-(1-methylazetidin-3-yl)oxy-2-pyridyl]amino]-6-oxy-3-pyridyl]-2-pyridyl]-3,4,6,7,8,9-hexahydropyrazino[1,2-a]indol-1-one