Br[CH2:2][C:3]1[CH:8]=[CH:7][C:6]([S:9]([CH3:37])(=[O:36])=[N:10][C:11](=[O:35])[C:12]2[CH:17]=[C:16]([C:18]#[C:19][C:20]3[CH:25]=[CH:24][CH:23]=[C:22]([NH:26][C:27]([C:29]4[O:30][CH:31]=[CH:32][C:33]=4[CH3:34])=[O:28])[CH:21]=3)[CH:15]=[N:14][CH:13]=2)=[CH:5][CH:4]=1.[N:38]1([CH2:44][CH2:45][O:46][CH2:47][CH2:48][OH:49])[CH2:43][CH2:42][NH:41][CH2:40][CH2:39]1>C1COCC1.CCOC(C)=O>[OH:49][CH2:48][CH2:47][O:46][CH2:45][CH2:44][N:38]1[CH2:43][CH2:42][N:41]([CH2:2][C:3]2[CH:8]=[CH:7][C:6]([S:9]([CH3:37])(=[O:36])=[N:10][C:11](=[O:35])[C:12]3[CH:17]=[C:16]([C:18]#[C:19][C:20]4[CH:25]=[CH:24][CH:23]=[C:22]([NH:26][C:27]([C:29]5[O:30][CH:31]=[CH:32][C:33]=5[CH3:34])=[O:28])[CH:21]=4)[CH:15]=[N:14][CH:13]=3)=[CH:5][CH:4]=2)[CH2:40][CH2:39]1Crude N-{[4-(Bromomethyl)phenyl] (methyl)oxido--sulfanylidene}-5-({3-[(3-methyl-2-furoyl)amino]phenyl}ethynyl)nicotinamide was dissolved in THF (2 mL). 2-(2-piperazin-1-yl-ethoxy)-ethanol (0.064 g, 0.390 mmol) and TEA (0.054 mL, 0.390 mmol) were then added to the solution and the resulting reaction mixture was allowed to stir for 1 h at rt. The reaction mixture, subsequently, was dissolved in EtOAc and then extracted with H2O (2× mL). The organic layer was dried over anhydrous Na2SO4(s), filtered and concentrated in vacuo. The crude product was purified via column chromatography (gradient eluant mixture of MeOH in EtOAc: 0% to 20% MeOH) to afford the title compound (0.064 g, 49% overall for step 1 and 2).
Wird geladen…