Methyl iodide → 3-Methoxy-6-methyl-2-nitropyridine

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Commercially available 6-Methyl-2-nitro-pyridin-3-ol (Aldrich) (5.09 g, 33 mmol) in acetone (50 mL) was treated with K2CO3 (5.47 g, 39.6 mmol) and MeI (3.09 mL, 49.5 mmol). The orange suspension was heated to 50° C. for 90 hours. After evaporation of the solvent in vacuo the crude mixture was treated with 1N NaOH (50 mL) and extracted with EtOAc (2×50 mL) the combined organic phases was washed with brine (2×50 mL), dried over Na2SO4, filtered and concentrated in vacuo. 3-Methoxy-6-methyl-2-nitro-pyridine was obtained as a yellow solid.

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