10-O-methyl 8-O-(2,2,2-trichloroethyl) (1R,12S,13S,15R,16R,20R)-12-ethyl-16-[(1R,12S,13S,15R,20R)-12-ethyl-10-methoxycarbonyl-5-prop-2-enoxy-14-oxa-8,17-diazahexacyclo[10.7.1.01,9.02,7.013,15.017,20]icosa-2(7),3,5,9-tetraen-4-yl]-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
                                                                                                                                                                                 
四氢吡咯   、                                                                                                  
四(三苯基膦)钯                                                                                                                                  作用下,
                                                                                                                以
                                                                                         
二氯甲烷                                                                                  为溶剂,
                                                                                                                                                    反应 0.17h,
                                                                                                                以76%的产率得到16-O,27-O-dimethyl 29-O-(2,2,2-trichloroethyl) (2R,6R,11R,13S,14S,23S,24S,25S,36R,39R,40R)-14,25-diethyl-24-hydroxy-31,32-dimethoxy-33-methylsulfonyloxy-12,22-dioxa-1,9,18,29-tetrazadodecacyclo[23.13.1.16,9.02,23.03,21.05,19.06,17.011,13.028,36.030,35.036,39.014,40]tetraconta-3,5(19),16,20,27,30,32,34-octaene-16,27,29-tricarboxylate