sodium (5-chloro-4-morpholin-4-yl-6-oxo-1,6-dihydropyrimidin-2-yl)acetate 、 (R)-2-methyl-4-fluoro-2,3-dihydro-1H-indole 在
silica 、
methanol-dichloromethane 作用下,
以eluent 99/01 then 98/02 then 97/03 dichloromethane/methanol, 100 mg of 5-chloro-2-[2-((R)-2-methyl-4-fluoro-2,3-dihydroindol-1-yl)-2-oxoethyl]-6-morpholin-4-yl-3H-pyrimidin-4-one are obtained in the form of a solid的产率得到