tetradecanoic acid (3R,6S)-6-{(R)-2-[(4R,5R,6R)-6-((E)-3,3-dimethyl-but-1-enyl)-5-hydroxy-2,2-dimethyl-[1,3]-dioxan-4-yl]-2-methoxy-acetylamino}-7-oxo-1-pyridin-3-ylmethyl-azepan-3-yl ester                                                                                                                                                              在
                                                                                                                                                                                 
甲苯   、                                                                                                  
二氯甲烷   、                                                                                                  
ammonium hydroxide   、                                                                                                  silica                                                                                                                                  作用下,
                                                                                                                以
                                                                                         THF TFA water                                                                                  为溶剂,
                                                                                                                                                    反应 0.5h,
                                                                                                                以to give 0.2 g (70.7%) of tetradecanoic acid (3R,6S)-7-oxo-1-pyridin-3-ylmethyl-6-((2R,3R,4S,5R)-(E)-3,4,5-trihydroxy-2-methoxy-8,8-dimethyl-non-6-enoylamino)-azepan-3-yl ester as a with solid的产率得到tetradecanoic acid (3R,6S)-7-oxo-1-pyridin-3-ylmethyl-6-((2R,3R,4S,5R)-(E)-3,4,5-trihydroxy-2-methoxy-8,8-dimethyl-non-6-enoylamino)-azepan-3-yl ester