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CAS No. : | 62593-17-3 | MDL No. : | MFCD00174313 |
Formula : | C7H4Cl2F3N | Boiling Point : | No data available |
Linear Structure Formula : | - | InChI Key : | OCJPQZFOBGQYEA-UHFFFAOYSA-N |
M.W : | 230.02 | Pubchem ID : | 1268255 |
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 |
---|---|---|
78.2% | With sulfuric acid; aniline; sodium nitrite In water | 49.3 g of water, 15.8 g of 50percent hypophosphorous acid (0.120 mol) and 0.13 g of copper sulfate pentahydrate (0.52*10-3 mol) are loaded into a 500 ml reactor. 19.5 g of concentrated sulfuric acid (0.195 mol) are then added at room temperature. 23 g of 2-amino-3,5-dichlorotrifluoromethylbenzene (0.100 mol) are then added over 25 minutes at about 25° C., followed by addition of 17.1 g of 41.5percent sodium nitrite solution. The temperature is maintained at a maximum of 30° C. throughout this exothermic addition, and then at 25° C. for 1 hour. The organic phase is then separated out after settling has taken place and is washed with water. A mixture is finally obtained consisting of 22.8percent aniline and 72.3percent 3,5-dichlorotrifluoromethylbenzene. The degree of conversion of the starting material was 78.2percent and the true yield of dichlorotrifluoromethylbenzene is 74.0percent. |
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