[O:1]=O.[CH:3]([C:6]([O:8][CH2:9][C:10]([CH3:14])(C)[CH:11]=O)=[O:7])([CH3:5])[CH3:4]>>[OH:1][C:10]([CH3:11])([CH3:14])[CH2:9][O:8][C:6]([CH:3]([CH3:4])[CH3:5])=[O:7]80 parts of oxygen are passed into 172 parts of isopropylcarbonyloxypivalaldehyde in a stirred reactor at 100° C. in the course of 5 hours. When the reaction has ended, the reaction mixture is subjected to fractional distillation. 118 parts (74% of theory) of 2-hydroxy-1-isopropylcarbonyloxy-2-methylpropane (boiling point 48°-49° C./0.4 mbar) are obtained.
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