Hydrochloric Acid → 6-Methoxy-1-methyl-1H-indole-3-carbaldehyde

참여 물질

반응 단계

A solution of 6-methoxy-1H-indole-3-carboxaldehyde (1.65, 9.4 mm) in DMF (10 mL) was cooled to 0° C., and treated with NaH(11.3 mm). After stirring at room temperature for 1 hour, the mixture was cooled to 0° C., treated with CH3I (0.7 mL, 11.3 mm), then allowed to warm to room temperature overnight. After pouring into H2O (200 mL), the mixture was acidified with HCl and extracted with EtOAc (100 mL×2). The combined organic fractions were dried over MgSO4, filtered and evaporated to afford 6-methoxy-1-methyl-1H-indole-3-carboxaldehyde (1.78 g, 99%).

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