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CAS No. : | 1753-75-9 | MDL No. : | MFCD00460091 |
Formula : | C6H3BrN2S | Boiling Point : | 272.2°C at 760 mmHg |
Linear Structure Formula : | - | InChI Key : | N/A |
M.W : | 215.07 g/mol | Pubchem ID : | 2776295 |
Synonyms : |
|
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H302-H319 | Packing Group: | N/A |
GHS Pictogram: |
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Yield | Reaction Conditions | Operation in experiment |
---|---|---|
86% | for 1 h; Heating / reflux | Example 2 Synthesis of 5-bromo-2,1,3-benzothiadiazole A mixture was prepared by mixing 4.0 g (21 mmol) of 4-bromo-o-phenylenediamine, 14 mL of thionyl chloride and 0.62 mL of concentrated sulfuric acid and was refluxed for one hour. This mixture was cooled and then poured onto ice, and a resulting precipitate was filtered and collected. This precipitate was washed with water till the waste water became neutral and then thoroughly dried to yield 4.5 g of 5-bromo-2,1,3-benzothiadiazole as a crude product (melting point, 48 to 50° C.; yield, 96.5percent). |
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