2'O-acetyl-10,11-anhydro-10-desmethyl-10-ethyl-12-O-(imidazolocarbonyl)-6-O-methyl-3-oxo-descladinosyl-erythromycin A                                                                                                                                                              在
                                                                                                                                                                                 
氨                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
四氢呋喃   、                                                                                         
乙腈                                                                                  为溶剂,
                                                                                                                                                    反应 24.0h,
                                                                                                                生成                                                 
2'O-acetyl-11-amino-[11N-12-O]carbonyl-11-deshydroxy-10-desmethyl-10-ethyl-6-O-methyl-3-oxo-descladinosyl-erythromycin A