| 摘要 |
<p>The present invention relates to a process for preparing tetrahydropyran-4-one represented by the formula (1):
which comprises reacting at least one kind of dihydropyran-4-one and pyran-4-one represented by the formula (2):
wherein represents a single bond or a double bond,
and hydrogen (a) in the presence of a metal catalyst, in a mixed solvent of an aprotic solvent and an alcohol solvent, or (b) in the presence of an anhydrous metal catalyst in which a hydrated metal catalyst is subjected to dehydration treatment, in a hydrophobic organic solvent.</p> |
