(2R,3S,4R,5R)-5-[tert-butyl(dimethyl)silyl]oxy-2,4-dimethyl-3-phenylmethoxyheptanal   、                                                                                      (R)-4-Benzyloxy-4-[(2R,3R,4S,5R,6S)-4-(tert-butyl-dimethyl-silanyloxy)-6-methoxy-3,5-dimethyl-tetrahydro-pyran-2-yl]-pentanoic acid methoxymethyl ester                                                                                                                                                              在
                                                                                                                                                                                 
lithium diisopropyl amide                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                    反应 2.0h,
                                                                                                                以48.9%的产率得到methoxymethyl (2S,3S,4S,5R,6R,7R)-7-[tert-butyl(dimethyl)silyl]oxy-2-[(2R)-2-[(2R,3R,4S,5R,6S)-4-[tert-butyl(dimethyl)silyl]oxy-6-methoxy-3,5-dimethyloxan-2-yl]-2-phenylmethoxypropyl]-3-hydroxy-4,6-dimethyl-5-phenylmethoxynonanoate