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CAS No. : | 58236-70-7 | MDL No. : | MFCD05662389 |
Formula : | C5H3BrClNO | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | IPWYUROVLMVBGD-UHFFFAOYSA-N |
M.W : | 208.44 | Pubchem ID : | 19050009 |
Synonyms : |
|
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H315-H319-H335 | Packing Group: | N/A |
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 |
---|---|---|
With bromine; sodium sulfite; In N-methyl-acetamide; water; | EXAMPLE 1 3-Chloro-5-octyl-2-(4-octyloxyphenyl)pyridine 10.5 ml (203.0 mmol) of bromine are added dropwise at 0° C. to 23.9 g (184.5 mmol) of 3-chloro-2-hydroxypyridine in 240 ml of dimethylformamide, and the mixture is stirred at room temperature for 2 hours. 200 ml of water are subsequently added, and 30 g of sodium sulfite in 100 ml of water are added dropwise. After 15 minutes, the mixture is extracted three times with 200 ml of dichloromethane in each case, the combined organic phases are dried over sodium sulfate and filtered, and the filtrate is evaporated to dryness, giving 36.58 g of 5-bromo-3-chloro-2-hydroxypyridine. STR13 m.p.: 168° C. (decomp.) |
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