N-甲基哌嗪 、
(S)-5-(5-chlorosulfonyl-2-methyl-2,3-dihydro-7-benzofuryl)-1-methyl-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one 以
四氢呋喃 为溶剂,
反应 2.5h,
以78%的产率得到(S)-5-[2-methyl-5-(4-methylpiperazin-1-ylsulfonyl)-2,3-dihydro-7-benzofuryl]-1-methyl-3-propyl-1,6-dihydro-7H-pyrazolo[4,3-d]pyrimidin-7-one