四氢噻喃-4-酮 、
乙氧基甲叉丙二酸二乙酯 、
环己甲胺 以
甲苯 为溶剂,
反应 21.0h,
以that of 2:3), and red oily ethyl 1-cyclohexylmethyl-2-oxo-1,5,7,8,tetrahydro-2H-thiopyrano[4,3-b]pyridine-3-carboxylate (AA08, 8.17 g, 31.5%) was obtained的产率得到ethyl 1-cyclohexylmethyl-2-oxo-1,5,7,8,tetrahydro-2H-thiopyrano[4,3-b]pyridine-3-carboxylate