(2R,5S)-1-(4-chlorobenzyl)-2,5-dimethylpiperidin-4-amine   、                                                                                      
methyl {4-fluoro-2-[(2S)-oxiran-2-ylmethoxy]phenyl}acetate   、                                                                                      
乙醇                                                                                                                                                              在
                                                                                                                                                                                 2-{[(2S)-3-{[(2R,4S,58)-1-(4-chlorobenzyl)-2,5-dimethylpiperidin-4-yl]amino}-2-hydroxy-2-methylpropyl]oxy}-4-fluorophenypacetate                                                                                                                                  作用下,
                                                                                                                                                                                        反应 36.0h,
                                                                                                                以afforded (2-{[(2S)-3-{[(2R,4S,58)-1-(4-chlorobenzyl)-2,5-dimethylpiperidin-4-yl]amino}-2-hydroxy-2-methylpropyl]oxy}-4-fluorophenypacetate (8 mg) and methyl (2-{[(2S)-3-{[(2R,4R,5S)-1-(4-chlorobenzyl)-2,5-dimethylpiperidin-4-yl]amino}-2-hydroxy-2-methylpropyl]oxy}-4-fluorophenyl)acetate (3 mg, used in Example 42)的产率得到methyl (2-{[(2S)-3-{[(2R,4R,5S)-1-(4-chlorobenzyl)-2,5-dimethylpiperidin-4-yl]amino}-2-hydroxy-2-methylpropyl]oxy}-4-fluorophenyl)acetate