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CAS No. : | 6684-39-5 | MDL No. : | MFCD03541049 |
Formula : | C5H3Cl2NO2S | Boiling Point : | No data available |
Linear Structure Formula : | - | InChI Key : | QXZKKHONVQGXAK-UHFFFAOYSA-N |
M.W : | 212.05 | Pubchem ID : | 2792792 |
Synonyms : |
|
Signal Word: | Danger | Class: | 8 |
Precautionary Statements: | P260-P280-P303+P361+P353-P301+P330+P331-P304+P340+P310-P305+P351+P338+P310 | UN#: | 3261 |
Hazard Statements: | H314 | 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 |
---|---|---|
83% | With pyridine; In dichloromethane; at 20℃; for 12.0h; | 6-Chloropyridine-3-sulfonyl chloride (10.0 g, 47.0 mmol) was dissolved in methylene chloride (300 ml), and <strong>[191478-99-6]methyl 4-amino-2,6-difluorobenzoate</strong> (7.5 g, 40 mmol) and pyridine (9.0 ml, 102 mmol) were added thereto, followed by stirring at room temperature for 12 hours. The reaction solution was washed with water and 2 N hydrochloric acid, followed by extraction with methylene chloride. The extraction liquids were combined, washed with saturated aqueous sodium chloride, and dried over anhydrous sodium sulfate. Then, the solvent was removed. The obtained residue was recrystallized from a mixture solvent of petroleum ether/ ethyl acetate (1:2). The precipitated solid was filtered and then dried under reduced pressure to obtain the title compound (12.0 g, 83%) as a white solid. [0204] 1H NMR (CD3OD, 300 MHz): delta 8.82 (d, J=2.4 Hz, 1H), 8.20 (dd, J=2.4 Hz, 8.7 Hz 1H), 7.86-7.82 (t, 1H), 7.04 (d, J=10 Hz, 2H), 3.86 (s, 3H) |
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