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CAS No. : | 101935-40-4 | MDL No. : | MFCD08704555 |
Formula : | C6H4BrNO3 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | HRVRWIBVVHOHNN-UHFFFAOYSA-N |
M.W : | 218.01 | Pubchem ID : | 8167254 |
Synonyms : |
|
Signal Word: | Danger | Class: | 9 |
Precautionary Statements: | P261-P264-P270-P272-P273-P280-P301+P312+P330-P302+P352-P305+P351+P338+P310-P333+P313-P391-P501 | UN#: | 3077 |
Hazard Statements: | H302-H315-H317-H318-H410 | Packing Group: | Ⅲ |
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 |
---|---|---|
43.9% | With iron; acetic acid In ethanolReflux | [00408] 2-Bromo-3-nitro-phenol (3.35 g, 15.4 mmol), acetic acid (35 mL) and iron powder(4.5 g, 77.2 mmol) were stirred in ethanol (50 mL) under reflux overnight. The mixture was diluted with 1 00m1 of water and neutralised with potassium carbonate before extraction with DCM. The organics were dried with sodium sulfate and concentrated in vacuo to leave the crude product as a brown oil. This was dry-packed on to silica and purified by columnchromatography using a 0-50percent gradient of ethyl acetate in isohexane. The resulting fragments were concentrated in vacuo to give 3-amino-2-bromo-phenol (1 .27 g, 6.75 mmol, 43.9percent) as a pale yellow solid.[00409] 1H NMR (DMSO-d6): O 7.02 (t, J = 8.0 Hz, 1H), 6.45 (dd, J= 1.6 and 8.0 Hz,1 H), 6.38 (dd, J = 1 .6 and 8.0 Hz, 1 H) 5.44 (bs, 1 H), 4.89 (bs, 2H). |
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