Ethyl 3-amino-4-(3-methylpyridin-1-ium-1-yl)-5-methylsulfanylthiophene-2-carboxylate;methyl sulfate 在
potassium carbonate 作用下,
以
氯仿 为溶剂,
反应 24.0h,
生成
Ethyl 9-methyl-3-methylsulfanyl-4-thia-1,7-diazatricyclo[6.4.0.02,6]dodeca-2,5,7,9,11-pentaene-5-carboxylate