Cl.[NH:2]1[C:10]2[C:5](=[CH:6][C:7]([NH:11][C:12]3[C:21]4[C:16](=[CH:17][CH:18]=[C:19]([O:22][CH2:23][CH2:24][O:25][CH3:26])[CH:20]=4)[N:15]=[C:14]([C:27]4[CH:28]=[C:29]([NH:33][C:34](=[O:38])[CH2:35][CH2:36][CH3:37])[CH:30]=[CH:31][CH:32]=4)[N:13]=3)=[CH:8][CH:9]=2)[CH:4]=[N:3]1>Cl>[NH:2]1[C:10]2[C:5](=[CH:6][C:7]([NH:11][C:12]3[C:21]4[C:16](=[CH:17][CH:18]=[C:19]([O:22][CH2:23][CH2:24][O:25][CH3:26])[CH:20]=4)[N:15]=[C:14]([C:27]4[CH:28]=[C:29]([NH:33][C:34](=[O:38])[CH2:35][CH2:36][CH3:37])[CH:30]=[CH:31][CH:32]=4)[N:13]=3)=[CH:8][CH:9]=2)[CH:4]=[N:3]1The purified solid was taken up in HCl (4M in 1,4 dioxane, 30 mL) and stirred at RT for 4.5 h. The volatiles were removed in vacuo and the residue was triturated with Et2O to give N-(3-(4-(1H-indazol-5-ylamino)-6-(2-methoxyethoxy) quinazolin-2-yl)phenyl) butyramide hydrochloride (0.091 g, 0.171 mmol, 55% over two steps). MS 497 (M+1). HPLC retention time 5.547 mins.
読み込み中…