[ClH:1].[Br:2][C:3]1[CH:4]=[C:5]2[C:10](=[CH:11][CH:12]=1)[C:9]([CH2:13][N:14]1[C:20](=[O:21])[C@@H:19]([NH:22][C:23](=[O:36])[C@@H:24]([N:27](C)[C:28](=O)OC(C)(C)C)[CH2:25][CH3:26])[CH2:18][O:17][C:16]3[CH:37]=[CH:38][CH:39]=[CH:40][C:15]1=3)=[C:8]([O:41][CH3:42])[CH:7]=[CH:6]2>CCOCC.CO>[ClH:1].[Br:2][C:3]1[CH:4]=[C:5]2[C:10](=[CH:11][CH:12]=1)[C:9]([CH2:13][N:14]1[C:20](=[O:21])[C@@H:19]([NH:22][C:23](=[O:36])[C@@H:24]([NH:27][CH3:28])[CH2:25][CH3:26])[CH2:18][O:17][C:16]3[CH:37]=[CH:38][CH:39]=[CH:40][C:15]1=3)=[C:8]([O:41][CH3:42])[CH:7]=[CH:6]22 M HCl in Et2O (419 μL) was added to a solution of tert-butyl (S)-1-((S)-5-((6-bromo-2-methoxynaphthalen-1-yl)methyl)-4-oxo-2,3,4,5-tetrahydrobenzo[b][1,4]oxazepin-3-ylamino)-1-oxobutan-2-yl(methyl)carbamate (65.7 mg, 105 μmol) in MeOH (105 μL). After 4 h the mixture was concentrated and the residue was dissolved in MeCN/H2O and the solution lyophilized to provide the title compound (55.9 mg, 95%) as a white solid. MS m/z 526/528 (MH)′
Wird geladen…