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CAS No. : | 122080-99-3 | MDL No. : | MFCD12911657 |
Formula : | C13H15NO3S | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | MTXWWLRSSOSHIC-UHFFFAOYSA-N |
M.W : | 265.33 | Pubchem ID : | 21892510 |
Synonyms : |
|
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P280-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H302-H315-H319-H332-H335 | Packing Group: | N/A |
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 |
---|---|---|
54% | With trifluoromethylsulfonic anhydride In 1,2-dichloro-ethane at 90℃; for 2 h; | A solution of 6 (35g, 0.10 mo) in 1,2-dichloroethane (250 mL) is added over 20 min to a solution of triflic anhydride (58g, 0,20 mol) in 1,2-dichloroethane (100 mL). A solution of collidine (19g, 0.15 mol) in 1,2-dichloroethane (100 mL) is then added slowly over 30 min. After the reaction mixture was heated at 90 °C for 2h. After cooling to room temperature, the reaction mixture is concentrated. The residue is hydrolyzed in two phase system H2O-CCl4. The organic layers were dried over Na2SO4 and filtered, the filtrate was evaporated to remove the solvent. The residue was purified by on silica gel (PE/EA = 10/1 ) to give compound 7 (15 g, 54percent) as white solid. 1 H NMR (400 MHz, CDCl3): δ 2.45 (s, 3H), 2.67-2,72 (m, 1H), 2.85-2.92 (m, 1 H), 2.94-3.00 (m, 2H), 3.27-3.35 (m, 1 H), 3.59-3.66 (m, 2H), 3.17-3.12 (m, 2H), 3.83-3.86 (d, J= 10 Hz, 1H), 7.34-7.36 (d, J= 8 Hz, 2H), 7.69-7.71 (d, J = 8.4 Hz, 2H); MS Calcd.: 265; MS Found: 266([M+H] +). |
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