1-[[3-[5-Chloro-4,8-dihydro-8-[(4-methoxyphenyl)methyl]-4-oxo-1H-pyrazolo[4',3': 5,6]pyrido[4, 3-d]pyrimidin-2-yl]-4-propoxyphenyl]sulfonyl]-4-ethylpiperazine 、 、
叔丁醇 在
氮气 作用下,
反应 1.0h,
以to give the titled compound (4.5 mg)的产率得到1-[[3-[4,8-dihydro-5-hydroxy-8-[(4-methoxyphenyl)methyl]-4-oxo-1H-pyrazolo[4',3':5,6]pyrido[4,3-d]pyrimidin-2-yl]-4-propoxyphenyl]sulfonyl]-4-ethylpiperazine