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CAS No. : | 626-15-3 | MDL No. : | MFCD00000178 |
Formula : | C8H8Br2 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | OXHOPZLBSSTTBU-UHFFFAOYSA-N |
M.W : | 263.96 | Pubchem ID : | 69373 |
Synonyms : |
|
Signal Word: | Danger | Class: | 6.1,8 |
Precautionary Statements: | P260-P280-P303+P361+P353-P304+P340+P310-P305+P351+P338+P310-P403+P233 | UN#: | 2928 |
Hazard Statements: | H330-H314-H290 | Packing Group: | Ⅱ |
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 |
---|---|---|
1.945 g | With potassium carbonate; In acetone; at 20℃; for 1h; | To a solution of <strong>[939-69-5]2-cyano-6-hydroxybenzothiazole</strong> (1.04 g) in 30 mL of acetone was added potassium carbonate(1.63 g), followed by alpha,alpha?-dibromo-m-xylene (4.7 g). The resultant solution was stirred at RT for 1 hour and the solventwas removed under reduced pressure. The residue was resuspended in dichloromethane and washed with water. Theaqueous phase was extracted with more dichloromethane (2x) and the organic extracts were combined, dried oversodium sulfate, and purified by flash chromatography using dichloromethane. 1.945 g of product was obtained.1H NMR (CDC13): 8.15 ppm (d, 1H), 8.44 ppm (d, 1H), 8.40 ppm (m, 4H), 7.20-7.30 ppm (m, 2H), 5.16 ppm (s, 2H),5.52 ppm (s, 2H) ES+: 362.60 (Br isotope effect seen) (M.W. 359.24) |
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