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CAS No. : | 74784-70-6 | MDL No. : | MFCD00042164 |
Formula : | C6H5F3N2 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | RSGVKIIEIXOMPY-UHFFFAOYSA-N |
M.W : | 162.11 | Pubchem ID : | 735862 |
Synonyms : |
|
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P501-P261-P270-P271-P264-P280-P337+P313-P305+P351+P338-P362+P364-P332+P313-P301+P312+P330-P302+P352+P312-P304+P340+P312 | UN#: | N/A |
Hazard Statements: | H302+H312+H332-H315-H319 | 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 |
---|---|---|
96 g | With N-Bromosuccinimide In chloroform at 20 - 80℃; for 1.5 h; Cooling with ice | Production Example 59-1 71 g of N-bromosuccinimide was added to a mixture of 65 g of 5-trifluoromethyl-pyridine-2-ylamine and 100 mL of chloroform by being divided into 5 portions under ice water-cooling, The temperature was elevated to room temperature and the mixture was stirred for 1 hour. Then, the mixture was heated to 80°C and was heated and stirred for 3C minutes. After allowing the mixture to cool to room temperature, a saturated aqueous sodium thiosulfate solution and a saturated aqueous sodium hydrogen carbonate solution were added to the mixture, which was then subjected to extraction using chloroform. A combined organic layer was dried using sodium sulfate, and then, was condensed under reduced pressure. The residue was subjected to silicagel column chromatography to obtain 96 g of 3-bromo-5-trifluoromethyl-pyridin-2-ylamine. 3-bromo-5-trifluoromethyl-pyridin-2-ylamine 1H-NMR (CDCl3) δ: 8.27 (1H, d), 7.86 (1H, d), 5.38 (2H, brs). |
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