[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…