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CAS No. : | 29027-17-6 | MDL No. : | MFCD11113332 |
Formula : | C7H8ClN | Boiling Point : | No data available |
Linear Structure Formula : | - | InChI Key : | RQRKMXABSUYQBV-UHFFFAOYSA-N |
M.W : | 141.59 | Pubchem ID : | 11412438 |
Synonyms : |
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Signal Word: | Warning | Class: | |
Precautionary Statements: | P280-P305+P351+P338 | UN#: | |
Hazard Statements: | H302 | 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 |
---|---|---|
With sodium hydroxide; chloranil; toluene-4-sulfonic acid; In toluene; | 15.9 g (0.1 mole) of 3-oxotetrahydro-2-thiophencarboxylic acid methyl ester, 14.2 g of 2-chloro-3-methylaniline and 200 mg of p-toluenesulfonic acid are heated in 500 ml of toluene for six hours using a water separator. 24.6 g (0.1 mole) of chloranil are then added, and the mixture is boiled for a further one hour. It is cooled and filtered; the filtrate is washed with 100 ml each of 2 N sodium hydroxide solution, sodium dithionite solution and water and concentrated; the residue is purified by column chromatography (silica gel, toluene/ethyl acetate 4/1). 3-(2-Chloro-3-methylanilino)-2-thiophencarboxylic acid methyl ester is obtained as an oil. |