2''-thioxo-2''H,4'H-dispiro[cyclohexane-1,1'-naphtalene-3',5''-pyrimidine]-4'',6''(1''H,3''H)-dione 在
potassium hydroxide 作用下,
以
异丙醇 为溶剂,
以70%的产率得到potassium 4'',6''-dioxo-1'',6''-dihydro-4'H,4''H-dispiro[cyclohexane-1,1'-naphtalene-3',5''-pyrimidine]-2''-thiolate