dimethyl (5R,6S,7R)-7-(diethylcarbamoyl)-7-methyl-6-phenyl-2-oxa-1-azabicyclo[3.2.0]hept-3-ene-3,4-dicarboxylate 在
palladium on activated charcoal
氢气 作用下,
以
乙醇 为溶剂,
反应 16.0h,
以82%的产率得到dimethyl 6-<(diethylamino)carbonyl>-1,4,5,6-tetrahydro-6-methyl-5-phenyl-2,3-pyridinedicarboxylate