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CAS No. : | 401-55-8 | MDL No. : | MFCD00042095 |
Formula : | C4H6BrFO2 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | ULNDTPIRBQGESN-UHFFFAOYSA-N |
M.W : | 184.99 | Pubchem ID : | 2733407 |
Synonyms : |
|
Signal Word: | Danger | Class: | 6.1 |
Precautionary Statements: | P261-P264-P270-P271-P280-P302+P352-P304+P340-P305+P351+P338-P312-P330-P362+P364-P370+P378-P403+P233-P501 | UN#: | 2810 |
Hazard Statements: | H227-H301+H311+H331-H315-H319-H335 | Packing Group: | Ⅲ |
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 |
---|---|---|
79% | With sulfur; sodium dithionite; In 1,2-dichloro-ethane; at 80℃; for 24h;Sealed tube; | Add 1-methyltriazole (0.4 mmol) to an oven-dried 15 mL sealed tube equipped with a magnetic stirrer with a magnetic stir bar,Sulfur powder (S8) (0.8mmol),Ethyl bromofluoroacetate (1.0 mmol),Under Na2S2O4 (0.8 mmol) as a catalyst,The solvent was stirred in a solution of 1,2-dichloroethane (DCE) (2.0 mL) at 80 ° C for 24 hours. After the reaction,The reaction mixture was cooled to room temperature and the mixture was extracted with dichloromethane.The combined organic layers were dried over anhydrous Na2S2O4. Flash column chromatography using 300-400 mesh silica gel, the crude mixture was purified (yield (PE): ethyl acetate (EA) = 3:1) to afford product (III-42) ), the yield was 79percent. |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
55% | With selenium; sodium dithionite; In 1,2-dichloro-ethane; at 100℃; for 24h;Sealed tube; | Add 1-methyltriazole (0.4 mmol) to an oven-dried 15 mL sealed tube equipped with a magnetic stirrer with a magnetic stir bar,Selenium powder (Se) (0.8 mmol),Ethyl bromofluoroacetate (1.0 mmol),Under Na2S2O4 (0.8 mmol) as a catalyst,The solvent was stirred in a solution of 1,2-dichloroethane (DCE) (2.0 mL) at 100 ° C for 24 hours. After the reaction,The reaction mixture was cooled to room temperature and the mixture was extracted with dichloromethane.The combined organic layers were dried over anhydrous Na2SO4. Fast column chromatography using 300-400 mesh silica gel,Purification of the crude mixture (pure (PE): ethyl acetate (EA) = 3:1) afforded product (III-51)The yield was 55percent. |
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