(2R,3R,4R)-2-[(1R)-1-(3,5-Bis(trifluoromethyl)phenyl)ethoxy]-3-(4-fluorophenyl)-tetrahydropyran-4-carbaldehyde 、
4-hydroxy-3,3-dimethyl-2-oxa-8-azaspiro[4.5]decane 生成 (4RS)-8-[(2R,3R,4R)-2-[(1R)-1-(3,5-bis(trifluoromethyl)phenyl)ethoxy]-3-(4-fluorophenyl)-tetrahydropyran-4-yl]methyl-3,3-dimethyl-2-oxa-8-azaspiro[4.5]decan-4-ol