6-Bromo-3-nitro-2-pyridinamine
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6-Bromo-3-nitro-2-pyridinamine
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CAS No:
84487-04-7
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Formula:
C5H4BrN3O2
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Chemical Name:
6-Bromo-3-nitro-2-pyridinamine
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Synonyms:
2-Pyridinamine,6-bromo-3-nitro-;6-Bromo-3-nitro-2-pyridinamine;(6-Bromo-3-nitropyridin-2-yl)amine;2-Amino-3-nitro-6-bromopyridine;6-Bromo-3-nitropyridin-2-amine;2-Amino-6-bromo-3-nitropyridine
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CAS No:
Characteristics
84.7
1.9
Yellow to green Solid
1.9±0.1 g/cm3
199-202°
349.5°C at 760 mmHg
165.2±26.5 °C
1.683
6-Bromo-3-nitro-2-pyridinamine Use and Manufacturing
To a solution of commercially available 2, 6-dichloro-5- nitropyridine (20.0 g, 95.3 mmol) in ethanol (300 mL) was added aqueous ammonia (60 mL), and the mixture was stirred at room temperature for 10 hours. The resulting precipitate was filtered, washed with ethanol, and dried in vacuo to give 6-amino-2-chloro-5-nitropyridine (13. [8 G, 83 percent). THE COMPOUND] thus obtained was suspended in an acetic acid solution (130 mL) of [30percent] hydrogen bromide. The suspension was stirred at [100°C] for 26 hours, cooled to room temperature, and concentrated in vacuo. The resulting residue was extracted with ethyl acetate. The organic layer was washed with saturated aqueous sodium bicarbonate and saturated brine, dried over anhydrous magnesium sulfate, and concentrated in vacuo. The residue thus obtained [B.
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