1-(3,3-dimethyl-butyryl)-4-(2-methoxy-ethyl)-piperidine-4-carboxylic acid ethyl ester 、
二甲基氯化铝 、
4-乙基苯胺 以
正庚烷 为溶剂,
以to give the desired 8-(3,3-dimethyl-butyryl)-2-(4-ethyl-phenyl)-2,8-diaza-spiro[4.5]decan-1-one (0.118 g) as an off-white solid的产率得到8-(3,3-dimethyl-butyryl)-2-(4-ethyl-phenyl)-2,8-diaza-spiro[4.5]decan-1-one