1-(1-phenylethoxy)-2,2-dimethyl-6,6-diethyl-4-hydroxypiperidine 、 、
三乙胺 、
甲苯 以to give 8,9 g (91%) dodecanoic acid 2,2-diethyl-6,6-dimethyl-1-(1-phenyl-ethoxy)-piperidin-4-yl ester as yellowish liquid的产率得到dodecanoic acid 2,2-diethyl-6,6-dimethyl-1-(1-phenyl-ethoxy)-piperidin-4-yl ester