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CAS No. : | 81565-19-7 | MDL No. : | MFCD07368053 |
Formula : | C6H3ClF3N | Boiling Point : | No data available |
Linear Structure Formula : | - | InChI Key : | YNYROPYZSZBORI-UHFFFAOYSA-N |
M.W : | 181.54 | Pubchem ID : | 12140226 |
Synonyms : |
|
Signal Word: | Warning | Class: | |
Precautionary Statements: | P261-P280-P305+P351+P338 | UN#: | |
Hazard Statements: | H302-H312-H315-H319-H332-H335 | 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 |
---|---|---|
(3) The title compound was obtained from 3-chloro-4- trifluoromethylpyridine by the method described in Eur . J . Org . Chem., (2004), 3793. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
97% | With dihydrogen peroxide; acetic acid; at 80℃; | Step A. 3-Chloro-4-(trifluoromethyl)pyridine 1-oxide A mixture of <strong>[81565-19-7]3-chloro-4-(trifluoromethyl)pyridine</strong> (2.00 g, 11.0 mmol) and H2O2 (3.2 mL, 31 mmol) in AcOH (6 mL) was stirred at 80 C. overnight. The reaction mixture was allowed to cool to ambient temperature and quenched with NaHSO3 solution. The mixture was concentrated under reduced pressure and the residue was added saturated NaHCO3 solution (30 mL). The resulting mixture was extracted with DCM (3 times). The combined organic phases were washed with aq. NaHCO3, water and brine, dried over Na2SO4 and concentrated under reduced pressure to give 2.11 g (97% yield) of the sub-title compound as a pink solid. LCMS calc. for C6H4ClF3NO (M+H)+: m/z=198.0. found: 198.0. |
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