[CH2:1]([C@H:8]([NH:39]C(=O)OC(C)(C)C)[CH2:9][C@H:10]([OH:38])[C@@H:11]([NH:25][C:26](=[O:37])[C@@H:27]([NH:32][C:33]([O:35][CH3:36])=[O:34])[C:28]([CH3:31])([CH3:30])[CH3:29])[CH2:12][C:13]1[CH:18]=[CH:17][C:16]([C:19]2[CH:24]=[CH:23][CH:22]=[CH:21][N:20]=2)=[CH:15][CH:14]=1)[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.FC(F)(F)C(O)=O>ClCCl>[NH2:39][C@@H:8]([CH2:1][C:2]1[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=1)[CH2:9][C@H:10]([OH:38])[C@@H:11]([NH:25][C:26]([C@@H:27]([NH:32][C:33](=[O:34])[O:35][CH3:36])[C:28]([CH3:30])([CH3:31])[CH3:29])=[O:37])[CH2:12][C:13]1[CH:18]=[CH:17][C:16]([C:19]2[CH:24]=[CH:23][CH:22]=[CH:21][N:20]=2)=[CH:15][CH:14]=1A solution containing the product from Example 23R (0.34 g, 0.54 mmol) in dichloromethane (5 mL) was treated with trifluoroacetic acid (5 mL), stirred at 25° C. for 1 hour, and concentrated. The residue was partitioned between dichloromethane and saturated NaHCO3 solution. The organic phase was washed with brine, dried over MgSO4, filtered and concentrated. The crude product (0.251 g) was used without further purification.
불러오는 중…