Carbamic acid 3-pyridin-3-yl-propyl ester   、                                                                                      
[(2S,3R,4S,6R)-4-(dimethylamino)-2-[[(1S,2R,5R,7R,8R,9R,11R,13R,14R)-2-ethyl-18-formyl-9-methoxy-1,5,7,9,11,13-hexamethyl-4,6,12-trioxo-3,22-dioxa-15-azatricyclo[12.8.0.016,21]docosa-16(21),17,19-trien-8-yl]oxy]-6-methyloxan-3-yl] acetate                                                                                                                                                              在
                                                                                                                                                                                 
三乙基硅烷   、                                                                                                  
三氟乙酸                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
乙腈                                                                                  为溶剂,
                                                                                                                                                                                        生成                                                 [(2S,3R,4S,6R)-4-(dimethylamino)-2-[[(1S,2R,5R,7R,8R,9R,11R,13R,14R)-2-ethyl-9-methoxy-1,5,7,9,11,13-hexamethyl-4,6,12-trioxo-18-[(3-pyridin-3-ylpropoxycarbonylamino)methyl]-3,22-dioxa-15-azatricyclo[12.8.0.016,21]docosa-16(21),17,19-trien-8-yl]oxy]-6-methyloxan-3-yl] acetate