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CAS No. : | 4100-13-4 | MDL No. : | MFCD00052099 |
Formula : | C3H2N2O2S | Boiling Point : | No data available |
Linear Structure Formula : | - | InChI Key : | HJZYBDPHAHGHAZ-UHFFFAOYSA-N |
M.W : | 130.13 | Pubchem ID : | 351418 |
Synonyms : |
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Signal Word: | Warning | Class: | |
Precautionary Statements: | P261-P301+P312-P302+P352-P304+P340-P305+P351+P338 | UN#: | |
Hazard Statements: | H302-H315-H319-H335 | 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 |
---|---|---|
99.9% | With hydrogenchloride; at 65℃; for 16h; | <strong>[4100-13-4]1,2,3-Thiadiazole-4-carboxylic acid</strong> (1.0, 1g, 7.7 mmol) was added to HCl (1.25 M in MeOH, 10 mL) and the reaction mixture was stirred at 65 C for 16 h. The solvent was removed under reduced pressure and the resulting crude mixture was purified (FCC, SiO2, 0-100 % EtOAc in DCM) to provide the title compound (1.1g, 99.9%). MS (ESI): mass calcd. for C4H4N2O2S, 144.0; m/z found, 145 [M+H]+.1H NMR (300 MHz, CDCl3) delta 9.27 (s, 1H), 4.07 (s, 3H). |