METHOD FOR PRODUCING 3-METHYL-2-THIOPHENECARBOXYLIC ACID
A method for producing 3-methyl-2-thiophenecarboxylic acid is provided. A method for producing 3-methyl-2-thiophenecarboxylic acid, which comprises reacting a compound represented by the formula (I): (wherein X is a chlorine atom or a bromine atom) with magnesium in the presence of an alkyl halide t...
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| Format: | Patent |
| Sprache: | eng ; hun |
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| Zusammenfassung: | A method for producing 3-methyl-2-thiophenecarboxylic acid is provided. A method for producing 3-methyl-2-thiophenecarboxylic acid, which comprises reacting a compound represented by the formula (I):
(wherein X is a chlorine atom or a bromine atom) with magnesium in the presence of an alkyl halide to give a Grignard reagent represented by the formula (II):
(wherein X is the same as defined above), reacting the Grignard reagent of the formula (II) with carbon dioxide, and acidifying the reaction product. |
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