7-(benzyloxy)-2-(3,4-bis(benzyloxy)phenyl)-5-hydroxy-4-oxo-4H-chromen-3-yl 7-(2-(4-(2-tert-butoxy-2-oxoethyl)phenylamino)-2-oxoethylamino)-7-oxoheptanoate                                                                                                                                                              在
                                                                                                                                                                                 
四丁基氟化铵                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃                                                                                  为溶剂,
                                                                                                                                                                                        以52%的产率得到2-(3,4-dihydroxyphenyl)-5,7-dihydroxy-4-oxo-4H-chromen-3-yl 7-(2-(4-(2-tert-butoxy-2-oxoethyl)phenylamino)-2-oxoethylamino)-7-oxoheptanoate