(2R,5S)-5-Hydroxy-2-methyl-octanoic acid ((1R,2R)-2-hydroxy-1-methyl-2-phenyl-ethyl)-methyl-amide   、                                                                                      
碘甲烷                                                                                                                                                              在
                                                                                                                                                                                 sodium hydride                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                    反应 16.92h,
                                                                                                                以95%的产率得到(2R,5S)-5-Methoxy-2-methyl-octanoic acid ((1R,2R)-2-methoxy-1-methyl-2-phenyl-ethyl)-methyl-amide