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CAS No. : | 75433-99-7 | MDL No. : | MFCD08444483 |
Formula : | C11H9NO3 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | - |
M.W : | 203.19 | Pubchem ID : | - |
Synonyms : |
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Signal Word: | Warning | Class: | N/A |
Precautionary Statements: | P261-P305+P351+P338 | UN#: | N/A |
Hazard Statements: | H302-H315-H319-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 |
---|---|---|
97% | Stage #1: at 0 - 125℃; Stage #2: With ammonia In water Stage #3: With hydrogenchloride In water |
6-Methoxy-quinoline-2-carboxylic acid (4 g, 0.019 mol) was suspended in hydrobromic acid 48percent in water (80 ml) and the mixture was heated at 125° C. overnight. After cooling to 0° C. ammonium hydroxide was added until the pH was 6-7 followed by addition of HCl until the pH was 3-4 and the compound precipitated. The solid was filtrated, washed with water and dried under vacuum to yield 3.5 g (0.0185 mol, 97percent of theory) of the title compound as a yellow solid MS (m/e)=190.1 (M+H)+. |