6-hydroxy-2,5,7,8-tetramethyl-N-phenethylchroman-2-carboxamide 、
硝酸铈铵 以yielded 95.8 mg of 2-hydroxy-2-methyl-N- phenethyl-4-(2,4,5-trimethyl-3,6-dioxocyclohexa-1,4-dienyl)butanamide as a yellow oil的产率得到2-hydroxy-2-methyl-N-phenethyl-4-(2,4,5-trimethyl-3,6-dioxocyclohexa-1,4-dienyl)butanamide