3-cyclohexyl-6-{2-methoxy-4-[(4-methyl-1-piperazinyl)sulfonyl]phenyl}-1-methyl-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one 在
盐酸 作用下,
以
1,4-二氧六环 为溶剂,
以56%的产率得到3-cyclohexyl-6-{2-methoxy-4-[(4-methyl-1-piperazinyl)sulfonyl]phenyl}-1-methyl-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one monochloride