(S)-2-[(1R,2S,4S)-2-(tert-Butyl-dimethyl-silanyloxy)-5,6,8-trimethoxy-4,7-dimethyl-1,2,3,4-tetrahydro-naphthalen-1-yl]-propionaldehyde                                                                                                                                                              在
                                                                                                                                                                                 
sodium methylate                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃   、                                                                                         
甲醇                                                                                  为溶剂,
                                                                                                                                                    反应 12.0h,
                                                                                                                以50%的产率得到(R)-2-[(1R,2S,4S)-2-(tert-Butyl-dimethyl-silanyloxy)-5,6,8-trimethoxy-4,7-dimethyl-1,2,3,4-tetrahydro-naphthalen-1-yl]-propionaldehyde