[CH3:1][C:2]1([CH2:9][CH3:10])[O:6][CH:5]([CH2:7][OH:8])[CH2:4][O:3]1>[Pd]>[CH:2]([O:3][CH2:4][CH:5]([OH:6])[CH2:7][OH:8])([CH2:9][CH3:10])[CH3:1]The compound obtained in the production (1) (29.2 g, 0.10 mol) and the palladium catalyst (2) (2.2 g) were charged in a 70-mL autoclave, followed by a reaction under a hydrogen pressure of 7.0MPa at 190° C. for 15 hours. After completion of the reaction, the catalyst was removed by filtration to obtain a crude product (27.2 g).
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