4-[4-(3,4-difluorophenyl)-3-cyclohexenyl]cyclohexanone ethyleneacetal 、
氢气 在
镍 crude product 、
hexane-diethyl ether 作用下,
以
乙醇 为溶剂,
以yielded 2.52 g of 8-[trans-4-(3,4-difluorophenyl)cyclohexyl]-1, 4-dioxaspiro[4.5]decane的产率得到8-[trans-4-(3,4-Difluorophenyl)cyclohexyl]-1,4-dioxaspiro[4.5]decane