2-(2'-bromo-4',5'-methylenedioxyphenyl)-4,4-dimethyloxazoline 、
N-甲基-4-哌啶酮 以provides 4-[2-(4,4-dimethyl-2-oxazolin-2-yl)-4,5-methylenedioxyphenyl]-4-hydroxy-1-methylpiperidine的产率得到4-[2-(4,4-dimethyl-2-oxazolin-2-yl)-4,5-methylenedioxyphenyl]-4-hydroxy-1-methylpiperidine