[CH2:1]([C:3]1[N:7]=[C:6]([CH2:8][N:9]2[C:14]3[CH:15]=[C:16]([C:18]4[CH:23]=[CH:22][CH:21]=[CH:20][CH:19]=4)[S:17][C:13]=3[C:12](=[O:24])[N:11]([CH:25]3[CH2:30][CH2:29][N:28](C(OC(C)(C)C)=O)[CH2:27][CH2:26]3)[C:10]2=[O:38])[O:5][N:4]=1)[CH3:2].[ClH:39]>C(Cl)Cl.O1CCOCC1>[ClH:39].[CH2:1]([C:3]1[N:7]=[C:6]([CH2:8][N:9]2[C:14]3[CH:15]=[C:16]([C:18]4[CH:23]=[CH:22][CH:21]=[CH:20][CH:19]=4)[S:17][C:13]=3[C:12](=[O:24])[N:11]([CH:25]3[CH2:30][CH2:29][NH:28][CH2:27][CH2:26]3)[C:10]2=[O:38])[O:5][N:4]=1)[CH3:2]A solution of tert-butyl 4-{1-[(3-ethyl-1,2,4-oxadiazol-5-yl)methyl]-2,4-dioxo-6-phenyl-1,4-dihydrothieno[3,2-d]pyrimidin-3(2H)-yl}piperidine-1-carboxylate (12.46 g; compound B7) in DCM (100 ml) is reacted with a solution of hydrogen chloride in 1,4-dioxane (15 ml, 4.0 M) according to the procedure described in example B28 to afford the title compound as a solid.
Wird geladen…