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CAS No. : | 5933-32-4 | MDL No. : | MFCD00007602 |
Formula : | C7H7BrN2O | Boiling Point : | - |
Linear Structure Formula : | BrC6H4C(O)NHNH2 | InChI Key : | UYIMBYKIIMYFPS-UHFFFAOYSA-N |
M.W : | 215.05 | Pubchem ID : | 22219 |
Synonyms : |
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Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H315-H319-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 |
---|---|---|
97% | With sulfuric acid; acetic acid; In methanol; water; for 1h;Reflux; | General procedure: Compounds of series I were synthesized by refluxing <strong>[92-55-7]5-nitro-2-furaldehyde diacetate</strong> 98% (5 mmol) and benzhydrazides (3) (5 mmol) in water, sulphuric acid, acetic acid, and methanol (8:7:8:20 v/v) for 1 h. After cooling, the mixture was poured into cold water to precipitate the azomethine derivatives 20(see structural elucidation of the compounds of series I in Supplementary data, p. S2). |
Yield | Reaction Conditions | Operation in experiment |
---|---|---|
82% | In ethanol; for 5.0h;Reflux; | General procedure: To a stirred solution of compound 3 (100 mg, 0.30 mmol) in ethanol was added corresponding benzohydrazides (1.0 mmol) and refluxed for 5 h. The reaction medium was poured into water and extracted with ethyl acetate. The organic layer was washed with water followed by brine solution, dried over anhydrous sodium sulphate, filtered and concentrated under reduced pressure, to obtain the pure compounds. |