3-cyclohexyl-6-[2-methoxy-4-(4-methyl-1-piperazinyl)phenyl]-1-methyl-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one 、
甲烷磺酸 在
乙醇 作用下,
以
四氢呋喃 为溶剂,
以to obtain 364 mg (66%) of the captioned compound的产率得到3-cyclohexyl-6-[2-methoxy-4-(4-methyl-1-piperazinyl)phenyl]-1-methyl-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one monomethanesulfonate