| 摘要 |
The present invention provides a process for producing hydroxycarboxylic acid esters easily, further at a high reaction selectivity, by using an inexpensive catalyst. That is, the present invention provides a process for producing hydroxycarboxylic acid esters, which comprises hydrogenating dicarboxylic acid diesters having 3 to 20 carbon atoms in the dicarboxylic acid moiety in the presence of a copper catalyst comprising 1 to 40% by weight of copper as copper oxides.
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