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CAS No. : | 637347-67-2 | MDL No. : | MFCD20641588 |
Formula : | C8H8ClNO2 | Boiling Point : | - |
Linear Structure Formula : | - | InChI Key : | - |
M.W : | 185.61 | Pubchem ID : | - |
Synonyms : |
|
Signal Word: | Warning | Class: | |
Precautionary Statements: | P261-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 |
---|---|---|
11%; 14% | 30% aqueous hydrogen peroxide solution (3.0 ml) was added dropwise over a 5 minute period to a solution of the mixture of isatin isomers (2.00 g, 10.2 mmol) prepared as described in Example 55 (2) above in 2N aqueous sodium hydroxide solution (15 ML). After stirring at room temperature for 1 hour, the reaction mixture was acidified to pH 5 with 1N hydrochloric acid and then concentrated in vacuo. The residue thus obtained was purified by twice- repeated silica gel column chromatography using a 1: 1 by volume mixture of ethyl acetate and hexane as the eluant to yield 5-chloro-4-methylanthranilic acid (271 mg, yield: 14%) as orange-colored crystals from the less polar fraction and 5-CHLORO-6-METHYLANTHRANILIC acid (208 mg, yield: 11%) from the more polar fraction. |
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