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CAS No. : | 1533-03-5 | MDL No. : | MFCD00039227 |
Formula : | C10H9F3O | Boiling Point : | No data available |
Linear Structure Formula : | - | InChI Key : | UBTPNKXHYILGJU-UHFFFAOYSA-N |
M.W : | 202.17 | Pubchem ID : | 137064 |
Synonyms : |
|
Signal Word: | Warning | Class: | |
Precautionary Statements: | P261-P305+P351+P338 | UN#: | |
Hazard Statements: | H302-H315-H319-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 |
---|---|---|
43% | To a methanol (3 mL) solution of 4-methylbenzene sulfonhydrazide (460.6 mg, 2.5 mmol), 3'-(trifluoromethyl)propiophenone (500 mg, 2.5 mmol) was sequentially added, followed by stirring at room temperature for 10 minutes. The solvent was distilled off under reduced pressure, and to the obtained white solid, toluene (5 mL), copper(II) acetate (449.2 mg, 2.5 mmol), pivalic acid (505.2 mg, 4.9 mmol), and 2-ethylsulfanylaniline (758.0 mg, 4.9 mmol) were sequentially added, followed by stirring at 110 C. for 8 hours. The solvent was concentrated under reduced pressure, and the obtained crude product was purified by silica gel column chromatography (eluting solvent: ethyl acetate/hexane=1:6) to afford the title compound (yielded 383.5 mg, yield: 43%) as a red-tan oily product. 1HNMR Spectrum (CDCl3) sigma: 8.11 (1H, s), 8.05 (1H, dt, J1=4.5 Hz, J2=2.4 Hz), 7.65-7.61 (2H, m), 7.54-7.51 (2H, m), 7.41-7.35 (1H, m), 2.85 (2H, q, J=7.3 Hz), 1.25 (3H, t, J=7.6 Hz). |
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