丙二酸 、
1-cyclohexyl-3-[[4-(4-oxospiro[1H-quinazoline-2,1'-cyclohexane]-3-yl)benzoyl]amino]urea 以
乙醇 为溶剂,
反应 16.0h,
以70%的产率得到4-[spiro[(2H,3H)quinazoline-2,1'-cyclohexan]-4-(1H)-one-3-yl]-N-(2,4,5,6-tetrahydro-2,4,6-trioxo-3-cyclohexylpyrimidin-1-yl)benzamide