2-hydroxy-9-(3-morpholino-propoxy)-4-oxo-4H-pyrido[1,2-a]pyrimidine 、
2-(bromomethyl)-4-isopropyl-6-(2-morpholino-ethoxy)-1,2-benzisothiazol-3(2H)-one-1,1-dioxide 以crystals of 2-(9-(3-morpholino-propoxy)-4-oxo-4H-pyrido[1,2-a]pyrimidin-2-yl-oxymethyl)-4-isopropyl-6-(2-morpholino-ethoxy)-1,2-benzisothiazol-3(2H)-one-1,1-dioxide (mp. 145-150° C.) were obtained的产率得到2-(9-(3-morpholino-propoxy)-4-oxo-4H-pyrido[1,2-a]pyrimidin-2-yl-oxymethyl)-4-isopropyl-6-(2-morpholino-ethoxy)-1,2-benzisothiazol-3(2H)one-1,1-dioxide