(3R)-3-{3-[(5-chloropyridin-2-yl)oxy]phenyl}-1-oxa-8-azaspiro[4.5]decane hydrochloride 、
4-nitrophenyl (3RS)-3-[3-(trifluoromethyl)phenyl]-1-oxa-8-azaspiro[4.5]decane-8-carboxylate 在
4-nitrophenyl (3R)-3-(3-[(5-chloropyridin-2-yl)oxy]phenyl)-1-oxa-8-azaspiro[4.5]decane-8-carboxylate 作用下,
以to provide title compound (1300 mg, 89% yield)的产率得到4-nitrophenyl (3R)-3-(3-[(5-chloropyridin-2-yl)oxy]phenyl)-1-oxa-8-azaspiro[4.5]decane-8-carboxylate