5-amino-1-(tetrahydro-thiopyran-4-yl)-4,5-dihydro-1H-pyrazole-4-carboxylic acid ethyl ester 、 N-(4-bromo-phenyl)-2-fluoro-benzimidoyl chloride 在
5-(4-bromo-phenyl)-6-(2-fluoro-phenyl)-1-(tetrahydro-thiopyran-4-yl)-1,5-dihydro-pyrazolo[3,4-d]pyrimidin-4-one 作用下,
以to provide the titled compound 5-(4-bromo-phenyl)-6-(2-fluoro-phenyl)-1-(tetrahydro-thiopyran-4-yl)-1,5-dihydro-pyrazolo[3,4-d]pyrimidin-4-one as white solid的产率得到5-(4-bromo-phenyl)-6-(2-fluoro-phenyl)-1-(tetrahydro-thiopyran-4-yl)-1,5-dihydro-pyrazolo[3,4-d]pyrimidin-4-one