Benzimidazole → HCID 12056927, compound

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Reaction Steps

Benzimidazole (0.50 g) was dissolved in dimethylformamide (10 ml), and sodium hydride (60% purity, oily) (0.18 g) was added thereto at room temperature. After stirring for 1 hour, 2-chloro-4-methoxypyrimidine (0.62 g) was added at room temperature, followed by stirring for 3 hours. Ice water was added, followed by extraction with ethyl acetate, washing with a saturated sodium chloride aqueous solution and drying over anhydrous magnesium sulfate. The solvent was distilled off, and the residue was purified by silica gel column chromatography to obtain 0.40 g of the desired product as a white powder (m.p. 114-116° C.).

Provenance & Evidence