2,6-Dibromo-3,5-dimethylpyridine
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2,6-Dibromo-3,5-dimethylpyridine
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CAS No:
117846-58-9
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Formula:
C7H7Br2N
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Chemical Name:
2,6-Dibromo-3,5-dimethylpyridine
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Synonyms:
Pyridine,2,6-dibromo-3,5-dimethyl-;2,6-Dibromo-3,5-dimethylpyridine;2,6-Dibromo-3,5-lutidine
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CAS No:
Characteristics
12.9
3.6
1.795±0.06 g/cm3(Predicted)
107-108 °C
303.1±37.0 °C(Predicted)
137.1±26.5 °C
1.584
0.00171mmHg at 25°C
2,6-Dibromo-3,5-dimethylpyridine Use and Manufacturing
To a stirred oleum solution(40 mL) of 3, 5-dimethylpyridine (5.35 g, 50 mmol) at277 K was added BrTo a stirred oleum solution (40 mL) of 3, 5-dimethylpyridine (5.35 g, 50 mmol) at 277 K was added BrTo a stirred oleum solution (40 mL) of3, 5-dimethylpyridine (5.35 g, 50 mmol) at 273 K wasadded dropwise Br2 (5.64 mL, 110 mmol). Stirringcontinued for 0.5 h at 273 K. Then the reaction mixturewas heated to 353 K and refluxed for 36 h. The solutionwas cooled to room temperature, poured into waterslowly, and neutralized by aqueous NaOH. After beingextracted with dichloromethane, the organic layer waswashed with water, and dried over anhydrous Na2SO4. Thecrude product was purified by column chromatographyon silica gel using dichloromethane as eluent to afford 4(10.71 g, 80percent) as a white solid. m.p. 102-103 °C; 1H NMR(400 MHz, CDCl3) δ 7.28 (s, 1H, pyridine–H), 2.24 (s, 6H, –CH3).To a solution of
Computed Properties
Molecular Weight:264.94
XLogP3:3.6
Hydrogen Bond Acceptor Count:1
Exact Mass:264.89247
Monoisotopic Mass:262.89452
Topological Polar Surface Area:12.9
Heavy Atom Count:10
Complexity:106
Covalently-Bonded Unit Count:1
Compound Is Canonicalized:Yes
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2,6-Dibromo-3,5-dimethylpyridine
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