C([O:9][C:10]1[CH:15]=[CH:14][C:13]([C:16]2[CH:21]=[CH:20][C:19]([C:22](=[O:29])[C:23]3[CH:28]=[CH:27][CH:26]=[CH:25][CH:24]=3)=[CH:18][CH:17]=2)=[CH:12][CH:11]=1)(=O)C1C=CC=CC=1>O1CCCC1>[OH:9][C:10]1[CH:11]=[CH:12][C:13]([C:16]2[CH:21]=[CH:20][C:19]([C:22](=[O:29])[C:23]3[CH:28]=[CH:27][CH:26]=[CH:25][CH:24]=3)=[CH:18][CH:17]=2)=[CH:14][CH:15]=14-Benzoyloxy-4'-benzoylbiphenyl [compound (11)] in Example 12 was added to an alkali-containing tetrahydrofuran followed by stirring at room temperature for several hours. After completion of the reaction, the tetrahydrofuran solution was concentrated to obtain 4-hydroxy-4'-benzoylbiphenyl [compound (31)]. The results are shown in Table 8.
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