反应详情

To a suspension of sodium hydride (60% in oil, 0.47 g) in N,N-dimethylformamide (15 mL) was slowly added 7-nitro-2-(1,3-thiazol-2-yl)-1H-indole (2.21 g) at 0° C., and the mixture was stirred for 20 min. To the reaction mixture was added a solution of chloromethyl methyl ether (0.81 mL) in tetrahydrofuran (2 mL) at 0° C. over 20 min, and the mixture was stirred at room temperature overnight. Water was added to the reaction mixture, and the mixture was extracted with ethyl acetate. The ethyl acetate layer was washed with saturated brine, dried (MgSO4) and concentrated. The obtained residue was subjected to silica gel column chromatography and the title compound (2.14 g, yield 82%) was obtained as a yellow oil from a fraction eluted with ethyl acetate-hexane (1:2, volume ratio).

1. customat 0° C.
2. stirringthe mixture was stirred at room temperature overnight
3. extractionthe mixture was extracted with ethyl acetate
4. washThe ethyl acetate layer was washed with saturated brine
5. dry with materialdried (MgSO4)
6. concentrationconcentrated