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CAS No. : | 14548-51-7 | MDL No. : | MFCD09878790 |
Formula : | C9H8BrNO | Boiling Point : | 359.1°C at 760 mmHg |
Linear Structure Formula : | - | InChI Key : | - |
M.W : | 226.07 g/mol | Pubchem ID : | 27281844 |
Synonyms : |
|
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H302-H315-H319-H335 | Packing Group: | N/A |
GHS Pictogram: |
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Yield | Reaction Conditions | Operation in experiment |
---|---|---|
42% | With sodium azide; methanesulfonic acid In chloroform for 3 h; Reflux | The compound 6-bromo-2,3-dihydro-1H-inden-1-one (2.0 g, 9.5 mmol) was dissolved in chloroform (30 mL)Methanesulfonic acid (6 mL) was then added dropwise to the reaction system,Finally, sodium azide (1.90 g, 9.5 mmol) was added portionwise to the reaction system,Reflux for three hours.After completion of the reaction, the mixture was cooled to room temperature, and then the reaction solution was poured into ice water. The mixture was separated and the aqueous phase was extracted with methylene chloride. The combined organic phases were dried over anhydrous sodium sulfate, filtered and dried. The crude product was purified by column chromatography (Petroleum ether / ethyl acetate: 2/1) to give 7-bromo-3,4-dihydroquinolin-2 (1H) -one(0.90 g) in 42percent yield. |
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