[OH:1][C:2]1[CH:3]=[C:4]([CH:8]=[CH:9][C:10]=1[CH3:11])[C:5]([OH:7])=[O:6].[CH2:12](Cl)[C:13]1[CH:18]=[CH:17][CH:16]=[CH:15][CH:14]=1.OC1C=CC(C(OC2C3C(=C(OC(=O)C4C=CC(O)=CC=4)C4C(C=3)=CC=CC=4)C=CC=2OC(=O)C2C=CC(O)=CC=2)=O)=CC=1>>[CH2:12]([O:1][C:2]1[CH:3]=[C:4]([CH:8]=[CH:9][C:10]=1[CH3:11])[C:5]([OH:7])=[O:6])[C:13]1[CH:18]=[CH:17][CH:16]=[CH:15][CH:14]=1Using 3-hydroxy-4-methylbenzoic acid (20.3 g, 0.13 mole)and benzyl chloride (50.8 g, 0.40 mole), the reaction was carried out in the same manner as described in Example 1, (1). The resulting crude solid was recrystallized from ethanol to give 15.0 g of 3-benzyloxy-4-methylbenzoic acid as white crystals having a m.p. of 159°-161° C.
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