CAS No. : | 6274-82-4 | MDL No. : | MFCD18257556 |
Formula : | C8H9NO4 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | BLBZPNCBYHYDDP-UHFFFAOYSA-N |
M.W : | 183.16 | Pubchem ID : | 235752 |
Synonyms : |
Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P280-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H302-H315-H319-H332-H335 | Packing Group: | N/A |
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 |
---|---|---|
To a solution of 13.6 g (102 mmol, 2 eq) sodium hydroxide in 50 ml MeOH 10.0 g (51 mmol, 1 eq) 2,6-dichloro-isonicotinic acid are added. The reaction mixture is heated at reflux temperature for 30 min. After cooling to rt the mixture is diluted with water and acidified to pH 5-6 with 4 N HCl. Extraction with EtOAc, drying over sodium sulfate and evaporation of the solvent gives a first amount of the product. The water layers are evaporated to about 250 ml, acidified with 4 N HCl to pH 4-5 and again extracted with EtOAc. The extracts are dried over sodium sulfate and evaporated to give a further amount of the product. The product contains traces of 2,6-dimethoxy-isonicotinic acid.MS (LC/MS): 188/190=[M+H]+ 1H-NMR (400 MHz, d6-DMSO): 7.38 (s, 1H), 7.16 (s, 1H), 3.90 (s, 3H). |
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