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A solution of 2.00 g 2,6-dibromo-4-methoxy-pyridine in 80 g liquid ammonia under was heated in an autoclave to 140° C. for 4 h. The reaction was cooled to room, evaporated and the residue was purified by silica column chromatography to yield 0.457 g of the title compound as white solid. MS (ISP) M+H+=203.2 205.5

1. temperatureThe reaction was cooled to room
2. customevaporated
3. customthe residue was purified by silica column chromatography