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CAS No. : | 505084-59-3 | MDL No. : | MFCD08741353 |
Formula : | C7H3ClF3NO2 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | RMSKYTKOFDQVEL-UHFFFAOYSA-N |
M.W : | 225.55 | Pubchem ID : | 12140227 |
Synonyms : |
|
Signal Word: | Warning | Class: | |
Precautionary Statements: | P280-P305+P351+P338 | UN#: | |
Hazard Statements: | H317-H319 | Packing Group: | |
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 |
---|---|---|
61.9% | With N-ethyl-N,N-diisopropylamine; In chloroform; at 20℃; for 40h; | A mixture of 2-chloro-5-(trifluoromethyl)pyridine-3-carboxylic acid (508 mg, 2.25 mmol), 3-methylsulfonylaniline (424 mg, 2.48 mmol), HBTU (854 mg, 2.25 mmol) and DIPEA (981 pL, 5.63 mmol) in chloroform (10 mL) was stirred at room temperature for 40 h. The solvent was removed under a stream of N2, and the residue treated with water/MeOH (5: 1). This mixture was briefly sonicated then stirred at room temperature for 24 h. The resulting precipitate was collected by filtration, washed with water and dried under vacuum to give 2-(benzotriazol-l-yloxy)-N-(3- methylsulfonylphenyl)-5-(trifluoromethyl)pyridine-3-carboxamide (665 mg, 1.39 mmol, 61.9% yield) as a beige solid. MS, ES+ m/z 448.0 [M+H]+.1H-NMR (400 MHz, DMSO-r e) d 11.37 (s, 1 H), 8.88 (d, J=2.27 Hz, 1 H), 8.72 (d, J= 1.01 Hz, 1 H), 8.43 (s, 1 H), 8.20 (d, J=8.59 Hz, 1 H), 8.03 - 8.07 (m, 1 H), 7.83 (d, J=8.59 Hz, 1 H), 7.67 - 7.77 (m, 3 H), 7.54 - 7.58 (m, 1 H), 3.25 (s, 3 H). |
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