[CH3:1][S:2]([C:5]1[N:10]=[CH:9][C:8]([O:11][C:12]2[CH:13]=[C:14]3[C:18](=[C:19]([O:21][CH:22]4[CH2:27][CH2:26][O:25][CH2:24][CH2:23]4)[CH:20]=2)[NH:17][C:16]([C:28]([NH2:30])=O)=[CH:15]3)=[CH:7][CH:6]=1)(=[O:4])=[O:3].COC1C=CC(P2(SP(C3C=CC(OC)=CC=3)(=S)S2)=[S:40])=CC=1.C(OCC)(=O)C.CCCCCC>O1CCCC1>[CH3:1][S:2]([C:5]1[N:10]=[CH:9][C:8]([O:11][C:12]2[CH:13]=[C:14]3[C:18](=[C:19]([O:21][CH:22]4[CH2:27][CH2:26][O:25][CH2:24][CH2:23]4)[CH:20]=2)[NH:17][C:16]([C:28](=[S:40])[NH2:30])=[CH:15]3)=[CH:7][CH:6]=1)(=[O:4])=[O:3]To a solution of 5-{[6-(methylsulfonyl)pyridin-3-yl]oxy}-7-(tetrahydro-2H-pyran-4-yloxy)-1H-indole-2-carboxamide (1.35 g) in tetrahydrofuran (20 mL) was added a Lawesson's reagent (1.4 g), and the mixture was stirred with heating under reflux for 1 hr. The reaction mixture was cooled, and concentrated under reduced pressure. The obtained crude product was subjected to silica gel column chromatography (ethyl acetate:hexane=0:100 to 100:0, volume ratio) to give the title compound (1.4 g, yield 100%) as a yellow amorphous solid.
Wird geladen…