| 摘要 |
A process for producing a 2-hydroxy-4-(methylthio)butyrate compound represented by the formula (2): wherein A is a hydrogen atom or a group represented by R-CH2-, wherein R is a hydrogen atom or an alkyl group, which comprises the step of: reacting 4-(methylthio)-2-oxo-1-butanol with oxygen and a compound represented by the formula (1): <?in-line-formulae description="In-line Formulae" end="lead"?>A-OH (1)<?in-line-formulae description="In-line Formulae" end="tail"?> wherein A is as defined above, in the presence of a copper compound.
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