MANUFACTURING METHOD OF METHIONINE AND/OR 2-HYDROXY-4-(METHYLTHIO)BUTANOIC ACID
To provide a method for simply manufacturing methionine and/or 2-hydroxy-4-(methylthio)butanoic acid at high yield using 3-(methylthio)propionaldehyde as a raw material.SOLUTION: Methionine and/or 2-hydroxy-4-(methylthio)butanoic acid is manufactured by contacting an oxide catalyst containing cerium...
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| Format: | Patent |
| Sprache: | eng ; jpn |
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| Zusammenfassung: | To provide a method for simply manufacturing methionine and/or 2-hydroxy-4-(methylthio)butanoic acid at high yield using 3-(methylthio)propionaldehyde as a raw material.SOLUTION: Methionine and/or 2-hydroxy-4-(methylthio)butanoic acid is manufactured by contacting an oxide catalyst containing cerium, 3-(methylthio)propionaldehyde, a compound containing a cyanide ion, a compound containing ammonia or an ammonium ion and water.SELECTED DRAWING: None
【課題】３−（メチルチオ）プロピオンアルデヒドを原料として、簡便にメチオニン及び／又は２−ヒドロキシ−４−（メチルチオ）ブタン酸を高収率で製造する方法を提供すること。【解決手段】セリウムを含む酸化物触媒、３−（メチルチオ）プロピオンアルデヒド、シアン化物イオンを含む化合物、アンモニア又はアンモニウムイオンを含む化合物、及び水を接触させてメチオニン及び／又は２−ヒドロキシ−４−（メチルチオ）ブタン酸を製造する。【選択図】なし |
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