[2,2-dimethyl-4-(3-trifluoromethylphenylcarbamoyl)-1-thia-4-azaspiro[4.5]dec-3-yl]acetic acid methyl ester 以
三乙胺 为溶剂,
反应 2.0h,
以52%的产率得到1,1-dimethyl-6-[3-(trifluoromethyl)phenyl]spiro[8,8a-dihydro-[1,3]thiazolo[3,4-c]pyrimidine-3,1'-cyclohexane]-5,7-dione