rac-(2S,3R,4R)-Methyl 1-acetyl-2-cyclopropyl-7-methoxy-3-methyl-4-((4-methylpyrimidin-2-yl)amino)-1,2,3,4-tetrahydroquinoline-6-carboxylate 、 rac-(2S,3R,4R)-methyl 1-acetyl-4-amino-2-cyclopropyl-7-methoxy-3-methyl-1,2,3,4-tetrahydroquinoline-6-carboxylate 、
氢氧化锂 、
盐酸 在
methanol-dichloromethane 、
Sodium sulfate-III 作用下,
以
四氢呋喃 、
水 、
methanol-dichloromethane 为溶剂,
反应 16.08h,
以to afford the desired product as a yellow solid (82 mg, 0.200 mmol, 100%)的产率得到rac-(2S,3R,4R)-1-acetyl-2-cyclopropyl-7-methoxy-3-methyl-4-((4-methylpyrimidin-2-yl)amino)-1,2,3,4-tetrahydroquinoline-6-carboxylic acid