C([C:8]([NH2:12])([OH:11])[CH2:9][CH3:10])(OC(C)(C)C)=O.[CH3:13][C:14]([NH:16][C:17]1[CH:18]=[CH:19][C:20]([CH2:23][C:24]([OH:26])=[O:25])=[CH:21][CH:22]=1)=[O:15].[ClH:27].C(OCC)(=O)C.C(OCC)C>ClCCl>[NH2:12][CH:8]([OH:11])[CH2:9][CH3:10].[CH3:13][C:14]([NH:16][C:17]1[CH:22]=[CH:21][C:20]([CH2:23][C:24]([OH:26])=[O:25])=[CH:19][CH:18]=1)=[O:15].[ClH:27]In 2 ml of dichloromethane, 201.3 mg (0.574 mmol) of the Boc-aminopropanol-actarit obtained above was dissolved, and 3 ml of 4 M hydrochloric acid/ethyl acetate was added thereto under ice-cooling, followed by stirring for 3 hours. Diethyl ether was added thereto for precipitation, and the precipitate was washed twice with diethyl ether and then dried under reduced pressure to give 161.3 mg (98%) of the titled compound. The structure was identified by 1H-NMR.
Wird geladen…