Patent ID: 7518003

Claim:
A production process of a tetrahydropyran compound represented by formula (2), wherein 3,4-dihydro-2-alkoxy-2H-pyran compound represented by formula (1) is reacted with hydrogen in the presence of a catalyst under acidic condition, wherein R represents an aliphatic hydrocarbon group having 1 to 8 carbon atoms which may have a substituent or a hydrocarbon group having an aromatic group having 6 to 12 carbon atoms which may have a substituent R 1 to R 7 each independently represents a hydrogen atom, an aliphatic hydrocarbon group having 1 to 8 carbon atoms which may have a substituent, an aromatic group having 6 to 12 carbon atoms which may have a substituent, an alkoxy group, an amino group or a substituted amino group.