Cl[C:2]1[CH:16]=[CH:15][C:5]([O:6][CH2:7][C:8]([O:10]C(C)(C)C)=[O:9])=[C:4]([CH2:17][OH:18])[CH:3]=1.O[C:20]1C=CC(C)=CC=1C=O>>[CH:17]([C:4]1[CH:3]=[C:2]([CH3:20])[CH:16]=[CH:15][C:5]=1[O:6][CH2:7][C:8]([OH:10])=[O:9])=[O:18]Prepared by the method of example 1 part (d) using 2-hydroxy-5-methyl-benzaldehyde to give the title compound.
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