methyl 2-[(2R,6S)-6-[(4R)-4-hydroxy-5-[(2R,3S,6R,8R,9S)-3-methoxy-2-[(4-methoxyphenyl)methoxymethyl]-9-methyl-1,7-dioxaspiro[5.5]undec-10-en-8-yl]-2-oxopentyl]oxan-2-yl]acetate                                                                                                                                                              在
                                                                                                                                                                                 
2,3-二氯-5,6-二氰基-1,4-苯醌   、                                                                                                  
tetramethylammonium triacetoxyborohydride                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷   、                                                                                         
水   、                                                                                         
溶剂黄146                                                                                  为溶剂,
                                                                                                                                                                                        生成                                                 methyl 2-[(2R,6S)-6-[(2S,4S)-2,4-dihydroxy-5-[(2R,3S,6R,8R,9S)-2-(hydroxymethyl)-3-methoxy-9-methyl-1,7-dioxaspiro[5.5]undec-10-en-8-yl]pentyl]oxan-2-yl]acetate