sodium [4-(morpholin-4-yl)-6-oxo-1,6-dihydropyrimidin-2-yl]acetate 、
2-ethyl-2,3-dihydro-1H-indole 、
盐酸-N-乙基-Nˊ-(3-二甲氨基丙基)碳二亚胺 在
(±)-2-[2-(2-ethyl-2,3-dihydroindol-1-yl)-2-oxoethyl]-6-morpholin-4-yl-3H-pyrimidin-4-one 、 silica 、
methanol-dichloromethane 作用下,
以
吡啶 、
N,N-二甲基甲酰胺 为溶剂,
以98/2 and 97/3 v/v dichloromethane/methanol mixtures, at a flow rate of 30 ml/min, 0.35 g of (±)-2-[2-(2-ethyl-2,3-dihydroindol-1-yl)-2-oxoethyl]-6-morpholin-4-yl-3H-pyrimidin-4-one is obtained in the form of a white foam的产率得到(±)-2-[2-(2-ethyl-2,3-dihydroindol-1-yl)-2-oxoethyl]-6-morpholin-4-yl-3H-pyrimidin-4-one