| Title of Invention | "METHOD FOR PRODUCING 3-METHYL-2-THIOPHENECARBOXYLIC ACID" |
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| Abstract | 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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| Patent Number | 272446 | ||||||||||||
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| Indian Patent Application Number | 7/DELNP/2011 | ||||||||||||
| PG Journal Number | 14/2016 | ||||||||||||
| Publication Date | 01-Apr-2016 | ||||||||||||
| Grant Date | 01-Apr-2016 | ||||||||||||
| Date of Filing | 03-Jan-2011 | ||||||||||||
| Name of Patentee | ISHIHARA SANGYO KAISHA, LTD. | ||||||||||||
| Applicant Address | 3-15, EDOBORI 1-CHOME, NISHI-KU, OSAKA-SHI, OSAKA, 5500002 JAPAN. | ||||||||||||
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| PCT International Classification Number | C07D 333/40 | ||||||||||||
| PCT International Application Number | PCT/JP2009/061661 | ||||||||||||
| PCT International Filing date | 2009-06-25 | ||||||||||||
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