(3'SR,4'aRS,8'aRS)-1'-propyl-octahydro-1'H-spiro[1,3-dioxolane-2,6'-quinoline]-3'-carboxylic acid 、
dimethyl ({2[(2-methylpropyl)amino]ethyl})amine 在
叠氮磷酸二苯酯 、
N,N-二异丙基乙胺 作用下,
以
甲苯 为溶剂,
反应 6.0h,
以404 mg的产率得到3-[(3'SR,4'aRS,8'aRS)-1'-propyl-octahydro-1'H-spiro[1,3-dioxolane-2,6'-quinoline]-3'-yl]-3-[2-(dimethylamino)ethyl]-1-(2-methylpropyl)urea