1,11-dibenzyl 3-(1-methylethyl) 5,6-dihydro-4-hydroxy-2,6-epimino-1-benzazocine-1,3,11(2H)-tricarboxylate 在
palladium 10% on activated carbon 、
氢气 作用下,
以
甲醇 为溶剂,
反应 12.0h,
以83%的产率得到1-methylethyl 6-(2-aminophenyl)-1,4,5,6-tetrahydro-4-oxopyridine-3-carboxylate