C1(C([O:14][C:15]([C:17]2[N:18]3[C@H:21]([S:22][CH2:23][C:24]=2[CH2:25][S:26][C:27]2[N:32]4[N:33]=[C:34]([C:36]([O:38]C(C5C=CC=CC=5)C5C=CC=CC=5)=[O:37])[N:35]=[C:31]4[N:30]=[C:29]([CH3:52])[CH:28]=2)[C@H:20]([NH:53][C:54](=[O:95])/[C:55](/[C:89]2[N:90]=[C:91]([NH2:94])[S:92][CH:93]=2)=[N:56]\[O:57][CH:58]([C:73]([O:75]C(C2C=CC=CC=2)C2C=CC=CC=2)=[O:74])[C:59]2[CH:64]=[CH:63][C:62]([O:65][C:66](=[O:68])[CH3:67])=[C:61]([O:69][C:70](=[O:72])[CH3:71])[CH:60]=2)[C:19]3=[O:96])=[O:16])C2C=CC=CC=2)C=CC=CC=1.C1(OC)C=CC=CC=1.FC(F)(F)C(O)=O>ClC(Cl)C>[NH2:94][C:91]1[S:92][CH:93]=[C:89](/[C:55](=[N:56]/[O:57][CH:58]([C:73]([OH:75])=[O:74])[C:59]2[CH:64]=[CH:63][C:62]([O:65][C:66](=[O:68])[CH3:67])=[C:61]([O:69][C:70](=[O:72])[CH3:71])[CH:60]=2)/[C:54]([NH:53][C@@H:20]2[C:19](=[O:96])[N:18]3[C@@H:21]2[S:22][CH2:23][C:24]([CH2:25][S:26][C:27]2[N:32]4[N:33]=[C:34]([C:36]([OH:38])=[O:37])[N:35]=[C:31]4[N:30]=[C:29]([CH3:52])[CH:28]=2)=[C:17]3[C:15]([OH:16])=[O:14])=[O:95])[N:90]=1To a solution of the product obtained in Step 2 (0.87 g) in dichloroethane (1.6 ml) were added anisole (0.8 ml) and trifluoroacetic acid (2.4 ml) under ice cooling, and the resultng solution was stirred at room temperature for two hours. After removing the solvent by decantation, the residue was washed with dichloroethane and crystallized with ether, giving 0.6 g of the objective compound (as trifluoroacetic acid salt).
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