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CAS No. : | 2207-32-1 | MDL No. : | MFCD00174269 |
Formula : | C6H3ClN2S | Boiling Point : | No data available |
Linear Structure Formula : | - | InChI Key : | VRNJWKISMWDTAY-UHFFFAOYSA-N |
M.W : | 170.62 | Pubchem ID : | 284123 |
Synonyms : |
|
Signal Word: | Warning | Class: | |
Precautionary Statements: | P280-P305+P351+P338 | UN#: | |
Hazard Statements: | H302 | Packing Group: | |
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 |
---|---|---|
85% | With thionyl chloride; sulfuric acid; for 1h;Heating / reflux; | Example 1Synthesis of 5-chloro-2,1,3-benzothiadiazoleA mixture was prepared by mixing 4.0 g (28 mmol) of 4-chloro-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 resultant precipitate was filtered and collected. This precipitate was washed with water till the waste water became neutral and then thoroughly dried to yield 4.6 g of 5-chloro-2,1,3-benzothiadiazole as a crude product (melting point, 50 to 54 C.; yield, 96%). This crude product was vacuum-distilled to yield a pure product of 5-chloro-2,1,3-benzothiadiazole (melting point, 54 C.; yield, 85%). |
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