5-(2,2-dimethylpropionyloxy)-1,2-dihydro-2,2,4,8-tetramethylquinoline 、 5-(2,2-Dimethylpropionyloxy)-2-methylaniline 以to afford 5-(2,2-dimethylpropionyloxy)-1,2,3,4-tetrahydro-2,2,4,8-tetramethylquinoline的产率得到5-(2,2-dimethylpropionyloxy)-1,2,3,4-tetrahydro-2,2,4,8-tetramethylquinoline