Hydrogen Peroxide → 8-[4-(3,4-Dimethoxy-phenylsulfinyl)-butoxy]-4,4-dimethyl-4H-3,1-benzoxazin-2-one

Reaction equation

[CH3:1][O:2][C:3]1[CH:4]=[C:5]([S:11][CH2:12][CH2:13][CH2:14][CH2:15][O:16][C:17]2[C:26]3[NH:25][C:24](=[O:27])[O:23][C:22]([CH3:29])([CH3:28])[C:21]=3[CH:20]=[CH:19][CH:18]=2)[CH:6]=[CH:7][C:8]=1[O:9][CH3:10].[OH:30]O>>[CH3:1][O:2][C:3]1[CH:4]=[C:5]([S:11]([CH2:12][CH2:13][CH2:14][CH2:15][O:16][C:17]2[C:26]3[NH:25][C:24](=[O:27])[O:23][C:22]([CH3:29])([CH3:28])[C:21]=3[CH:20]=[CH:19][CH:18]=2)=[O:30])[CH:6]=[CH:7][C:8]=1[O:9][CH3:10]