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...
Gespeichert in:
| Hauptverfasser: | , , |
|---|---|
| Format: | Patent |
| Sprache: | eng ; pol |
| Schlagworte: | |
| Online-Zugang: | Volltext bestellen |
| Tags: |
Tag hinzufügen
Keine Tags, Fügen Sie den ersten Tag hinzu!
|
| 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. |
|---|