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CAS No. : | 164513-38-6 | MDL No. : | MFCD03427664 |
Formula : | C6H6BrNO | Boiling Point : | No data available |
Linear Structure Formula : | - | InChI Key : | BYGNXKDNIFHZHQ-UHFFFAOYSA-N |
M.W : | 188.02 | Pubchem ID : | 819937 |
Synonyms : |
|
Signal Word: | Warning | Class: | |
Precautionary Statements: | P280-P305+P351+P338-P310 | UN#: | |
Hazard Statements: | H302-H315-H319-H332-H335 | Packing Group: | |
GHS Pictogram: |
* All experimental methods are cited from the reference, please refer to the original source for details. We do not guarantee the accuracy of the content in the reference.
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
31% | With sodium nitrite; In sulfuric acid; water; | a 3-Bromo-6-hydroxy-4-methyl pyridine Sodium nitrite (5.44 g, 78.8 mmol) in water (14 ml) was added dropwise to 2-amino-5-bromo-4-methylpyridine (12.83 g, 68.6 mmol) in sulphuric acid (20%) (69 ml) at 0-5 C. After 1 h at 0 C. the solution was heated to reflux for 1 h. The solution was basified to pH 10 with sodium hydroxide solution (40%) and cooled to 5 C. and the precipitated product separated by filtration. Recrystallisation from ethanol gave the title compound (5.97 g, 31%) as white needles (m.p.200-201 C.); δH (D6 -DMSO) 2.17 (3H, s, CH3), 6.40 (1H, s, 3-H), 7.76 (1H, s, 6-H), 11.58 (1H, s, NH): m/z (E.I.) 189 (M+, 100%), 187 (M+, 97%); (Found: M+, 186.9634. C6 H6 NOBr requires M, 186.9633). |
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