C(O[C:6](=O)[N:7]([CH2:9][CH2:10][CH2:11][NH:12][C:13]([O:15][CH2:16][CH:17]1[C:29]2[CH:28]=[CH:27][CH:26]=[CH:25][C:24]=2[C:23]2[C:18]1=[CH:19][CH:20]=[CH:21][CH:22]=2)=[O:14])C)(C)(C)C.[ClH:31]>CCOC(C)=O>[ClH:31].[CH:19]1[C:18]2[CH:17]([CH2:16][O:15][C:13](=[O:14])[NH:12][CH2:11][CH2:10][CH2:9][NH:7][CH3:6])[C:29]3[C:24](=[CH:25][CH:26]=[CH:27][CH:28]=3)[C:23]=2[CH:22]=[CH:21][CH:20]=1To a stirred solution of [3-(9H-fluoren-9-ylmethoxycarbonylamino)propyl]-methylcarbamic acid tert-butyl ester (4.24 g, 10.3 mmol) in EtOAc (8 mL) was slowly added concentrated hydrochloric acid (2 mL, 60 mmol) and the resulting mixture was stirred at room temperature overnight. The mixture was concentrated under reduced pressure to give the title compound (3.21 g, 78% yield) as a white solid.
Wird geladen…