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Excepted Quantity | USD 0.00 |
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CAS No. : | 39161-84-7 | MDL No. : | MFCD00797617 |
Formula : | C8H8O2S | Boiling Point : | No data available |
Linear Structure Formula : | - | InChI Key : | ORXSLDYRYTVAPC-UHFFFAOYSA-N |
M.W : | 168.21 | Pubchem ID : | 3390511 |
Synonyms : |
|
Signal Word: | Danger | Class: | 9 |
Precautionary Statements: | P261-P264-P271-P280-P302+P352-P304+P340+P312-P305+P351+P338-P310-P332+P313-P362-P403+P233-P405-P501 | UN#: | 3335 |
Hazard Statements: | H315-H318-H335 | Packing Group: | Ⅲ |
GHS Pictogram: |
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* 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 |
---|---|---|
With potassium hydroxide; In N-methyl-acetamide; water; | Step A: Preparation of 5-(4-carboxymethylphenylthio)thiophene-2-sulfonamide 4-Mercaptophenylacetic acid (2.3 g) was dissolved in dimethylformamide under a nitrogen atmosphere and 1.8 g of potassium hydroxide dissolved in a minimum amount of water was added. 5-bromothiophene-2-sulfonamide (3.3 g) dissolved in dimethylformamide was added and the mixture heated at 120 C. for 2 hours. After cooling to room temperature water was added to the reaction mixture, the pH was adjusted to 8.6 and the mixture was extracted with ethyl acetate. The aqueous phase was separated and acidified, causing a solid to precipitate. The solid was collected by filtration and dried under vacuum to a weight of 3.25 g. | |
With potassium hydroxide; In N-methyl-acetamide; water; | Step A: Preparation of 5-(4-carboxymethylphenylthio)thiophene-2-sulfonamide 4-Mercaptophenylacetic acid (2.3 g) was dissolved in dimethylformamide under a nitrogen atmosphere and 1.8 g of potassium hydroxide dissolved in a minimum amount of water was added. 5-bromothiophene-2-sulfonamide (3.3 g) dissolved in dimethylformamide was added and the mixture heated at 120C for 2 hours. After cooling to room temperature water was added to the reaction mixture, the pH was adjusted to 8.6 and the mixture was extracted with ethyl acetate. The aqueous phase was separated and acidified, causing a solid to precipitate. The solid was collected by filtration and dried under vacuum to a weight of 3.25 g. |
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