[Li+].[OH-].[C:3]1([CH2:9][O:10][C:11]2[CH:16]=[CH:15][C:14]([C:17]([O:19]CC3C=CC=CC=3)=[O:18])=[CH:13][C:12]=2[C:27]([O:29]CC2C=CC=CC=2)=[O:28])[CH:8]=[CH:7][CH:6]=[CH:5][CH:4]=1.Cl>O.O1CCCC1>[C:3]1([CH2:9][O:10][C:11]2[CH:16]=[CH:15][C:14]([C:17]([OH:19])=[O:18])=[CH:13][C:12]=2[C:27]([OH:29])=[O:28])[CH:4]=[CH:5][CH:6]=[CH:7][CH:8]=1A solution of LiOH (6.12 g, 146 mmol) in water (100 ml) was added to a stirred solution of bis(phenylmethyl) 4-[(phenylmethyl)oxy]-1,3-benzenedicarboxylate (may be prepared as described in Description 47; 6.6 g, 14.59 mmol) in tetrahydrofuran (25 ml) at room temperature. The mixture was stirred at room temperature overnight. The reaction mixture was acidified with concentrated HCl. The white precipitate was collected by filtration, and dried to yield the title compound as a white solid. 3.8 g.
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