rac-tert-butyl 4-(((2S,3R,4R)-1-acetyl-2,3-dimethyl-4-(phenylamino)-1,2,3,4-tetrahydroquinolin-6-yl)amino)piperidine-1-carboxylate 在
盐酸 作用下,
以
1,4-二氧六环 为溶剂,
反应 6.0h,
以20%的产率得到rac-1-((2S,3R,4R)-2,3-dimethyl-4-(phenylamino)-6-(piperidin-4-ylamino)-3,4-dihydroquinolin-1(2H)-yl)ethanone