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CAS No. : | 120003-75-0 | MDL No. : | MFCD07801116 |
Formula : | C8H8ClNO2 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | JGTHNXDWSRAIAT-UHFFFAOYSA-N |
M.W : | 185.61 | Pubchem ID : | 6484125 |
Synonyms : |
|
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P301+P312-P302+P352-P304+P340-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H302-H315-H319-H335 | Packing Group: | N/A |
GHS Pictogram: |
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* 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 |
---|---|---|
75.1% | With O-(1H-benzotriazol-1-yl)-N,N,N',N'-tetramethyluronium hexafluorophosphate; N-ethyl-N,N-diisopropylamine; In chloroform; at 20℃; for 144h; | To a mixture of 2-chloro-5,6-dimethyl-pyridine-3-carboxylic acid (100 mg, 0.539 mmol), 3-methylsulfonylaniline (96.9 mg, 0.566 mmol) and HBTU (225 mg, 0.593 mmol) in chloroform (4 mL) was added DIPEA (206.5 pL, 1.19 mmol). The resulting mixture was stirred at room temperature for 6 days (for convenience). The solvent was removed under a stream of N2, and the residue treated with water/MeOH (4: 1). This mixture was briefly sonicated then stirred at room temperature for 18 h. The resulting precipitate was collected by filtration, washed with water and dried under vacuum to give 2-chloro-5,6-dimethyl-N-(3-methylsulfonylphenyl)pyridine-3- carboxamide (137 mg, 0.404 mmol, 75.1% yield) as a beige solid. MS, ES+m/z 339.0 [M+H]+. -NMR (400 MHz, DMSO-rie) d 10.96 (s, 1 H), 8.37 (s, 1 H), 7.94 (d, J=7.33 Hz, 1 H), 7.88 (s, 1 H), 7.64 - 7.72 (m, 2 H), 3.23 (s, 3 H), 2.48 (s, 3 H), 2.31 (s, 3 H). |
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