8-s-butyl-2-chloromethyl-1,4-dioxaspiro[4,5] decane 、
(3S,5R)-3,5-dimethylpiperidine 在
水 、
Sodium sulfate-III 、 silica gel 、
乙酸乙酯 作用下,
以
乙酸乙酯 为溶剂,
反应 16.0h,
以24.3 g (75% of theory) of 8-s-butyl-2-(3,5-dimethylpiperidin-1-ylmethyl) -1,4-dioxaspiro[4,5] decane are obtained as an oil of refractive index nd20 1.4762的产率得到8-s-butyl-2-(3,5-dimethylpiperidin-1-ylmethyl)-1,4-dioxaspiro[4,5] decane