10-O-methyl 8-O-(2,2,2-trichloroethyl) (1R,12S,13S,15R,20R)-12-ethyl-5,6-dimethoxy-4-methylsulfonyloxy-14-oxa-8,17-diazahexacyclo[10.7.1.01,9.02,7.013,15.017,20]icosa-2,4,6,9-tetraene-8,10-dicarboxylate                                                                                                                                                              在
                                                                                                                                                                                 
间氯过氧苯甲酸                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                    反应 0.25h,
                                                                                                                生成                                                 10-O-methyl 8-O-(2,2,2-trichloroethyl) (1R,12S,13S,15R,20R)-12-ethyl-5,6-dimethoxy-4-methylsulfonyloxy-17-oxido-14-oxa-8-aza-17-azoniahexacyclo[10.7.1.01,9.02,7.013,15.017,20]icosa-2,4,6,9-tetraene-8,10-dicarboxylate