Dimethyl Sulfoxide → 4-(1,1-Dioxo-1,2-thiazolidin-2-yl)-2,2-dimethyl-6-methylsulfonyl-3,4-dihydrochromen-3-ol

Reaction equation

[CH3:27][S:28](=[O:29])[CH3:30].[Na:18].[O:1]1[CH:2]2[C:3]([CH3:16])([CH3:17])[O:4][c:5]3[c:6]([cH:8][c:9]([S:12](=[O:13])(=[O:14])[CH3:15])[cH:10][cH:11]3)[CH:7]12.[OH2:26].[S:19]1(=[O:24])(=[O:25])[NH:20][CH2:21][CH2:22][CH2:23]1>>[OH:1][CH:2]1[C:3]([CH3:16])([CH3:17])[O:4][c:5]2[c:6]([cH:8][c:9]([S:12](=[O:13])(=[O:14])[CH3:15])[cH:10][cH:11]2)[CH:7]1[N:20]1[S:19](=[O:24])(=[O:25])[CH2:23][CH2:22][CH2:21]1