[NH2:1][CH:2]([C:7]1[CH:12]=[CH:11][CH:10]=[C:9]([O:13][CH3:14])[CH:8]=1)[CH2:3][C:4]([OH:6])=[O:5].[ClH:15].[CH2:16](O)[CH3:17]>>[ClH:15].[NH2:1][CH:2]([C:7]1[CH:12]=[CH:11][CH:10]=[C:9]([O:13][CH3:14])[CH:8]=1)[CH2:3][C:4]([O:6][CH2:16][CH3:17])=[O:5]Corresponding to Example 1b, 60 g of (8a) were treated with hydrochloric acid in ethanol. A white, crystalline product was obtained (yield: 75 g).
読み込み中…