[CH2:1]([S:8][C:9]([CH3:38])([CH:33](OC)[O:34]C)[CH2:10][NH:11][C:12]([C:14]1[NH:15][C:16]2[C:21]([CH:22]=1)=[CH:20][CH:19]=[CH:18][C:17]=2[N:23]([CH3:32])[S:24]([C:27]1[S:28][CH:29]=[CH:30][CH:31]=1)(=[O:26])=[O:25])=[O:13])[C:2]1[CH:7]=[CH:6][CH:5]=[CH:4][CH:3]=1.O>CC(C)=O>[CH2:1]([S:8][C:9]([CH3:38])([CH:33]=[O:34])[CH2:10][NH:11][C:12]([C:14]1[NH:15][C:16]2[C:21]([CH:22]=1)=[CH:20][CH:19]=[CH:18][C:17]=2[N:23]([CH3:32])[S:24]([C:27]1[S:28][CH:29]=[CH:30][CH:31]=1)(=[O:26])=[O:25])=[O:13])[C:2]1[CH:3]=[CH:4][CH:5]=[CH:6][CH:7]=1A mixture of N-[2-(benzylthio)-3,3-dimethoxy-2-methylpropyl]-7-[methyl(2-thienylsulfonyl)amino]-1H-indole-2-carboxamide (1.00 g), Amberlyst (registered trade mark) 15 ion exchange resin (0.20 g), water (0.1 ml) and-acetone (10 ml) was stirred overnight at room temperature. The insoluble substance was removed by filtration, and the filtrate was concentrated to give the title compound (0.83 g, yield 92%) as colorless crystals. melting point 149-150° C.
Wird geladen…