benzyl 1-[4-(3-cyclohexyl-1-methyl-4-oxo-4,5-dihydro-1H-pyrazolo[3,4-d]pyrimidin-6-yl)phenyl]-4-piperidinyl(methyl)carbamate 、
甲烷磺酸 在
10% palladium on activated carbon
氢气 作用下,
以
甲醇 为溶剂,
以100%的产率得到3-Cyclohexyl-1-methyl-6-{4-[4-(methylamino)-1-piperidinyl]phenyl}-1,5-dihydro-4H-pyrazolo[3,4-d]pyrimidin-4-one monomethanesulfonate