Water → 3-(4-Benzyloxyphenyl)-7-methoxymethyloxy-3-methylchroman-4-one

Reaction equation

[OH:1][C:2]1[CH:7]=[CH:6][C:5]([C:8]2([CH3:23])[C:17](=[O:18])[C:16]3[C:11](=[CH:12][C:13]([O:19][CH2:20][O:21][CH3:22])=[CH:14][CH:15]=3)[O:10][CH2:9]2)=[CH:4][CH:3]=1.C(=O)([O-])[O-].[K+].[K+].[CH2:30](Br)[C:31]1[CH:36]=[CH:35][CH:34]=[CH:33][CH:32]=1.O>CC(C)=O>[CH2:30]([O:1][C:2]1[CH:3]=[CH:4][C:5]([C:8]2([CH3:23])[C:17](=[O:18])[C:16]3[C:11](=[CH:12][C:13]([O:19][CH2:20][O:21][CH3:22])=[CH:14][CH:15]=3)[O:10][CH2:9]2)=[CH:6][CH:7]=1)[C:31]1[CH:36]=[CH:35][CH:34]=[CH:33][CH:32]=1