HCID 59355447, compound → HCID 59355425, compound

Participants

Reaction Conditions

Reaction Steps

3-Amino-4-bromo-6-chloro-pyridine-2-carboxylic acid methyl ester (169 mg) was suspended in methanol (3 mL) and 2N sodium hydroxide solution (2 mL). The suspension was stirred at 50° C. for 3 hours. The precipitate was filtered off and washed carefully with diethyl ether. The precipitate was dissolved in a mixture of 2N hydrochloric acid and ethyl acetate and the layers were separated. The aqueous layer was 2× extracted with ethyl acetate, washed with brine, dried over MgSO4 and concentrated in vacuum to afford 138 mg of the title compound of the formula

Provenance & Evidence