4-chloro-2-cyclopentyl-7,8-dihydro-6H-thiopyrano[3,2-d]pyrimidine 5,5-dioxide 、 methyl 2-(4-((4,4,5,5-tetramethyl-1,3,2-dioxaborolan-2-yl)methyl)phenyl)acetate 以to afford the title compound (0.099 g, 46%) as a light yellow oil的产率得到methyl 2-(4-((2-cyclopentyl-5,5-dioxido-7,8-dihydro-6H-thiopyrano[3,2-d]pyrimidin-4-yl)methyl)phenyl)acetate