9-(3-hydroxy-1-methyl-2-oxo-2,3-dihydro-1H-indol-3-yl)-5-[(4-methylphenyl)sulfonyl]-2,3,5,7-tetrahydro-6H-pyrazolo[3,4-h]pyrrolo[4,3,2-de]quinolin-6-one 在
sodium hydroxide 作用下,
以
1,4-二氧六环 为溶剂,
反应 24.0h,
以72%的产率得到7-(3-hydroxy-1-methyl-2-oxo-2,3-dihydro-1H-indol-3-yl)-2,3,5,7-tetrahydro-6H-pyrazolo[3,4-h]pyrrolo[4,3,2-de]quinolin-6-one