Dichloromethane → 2-(4-t-Butylphenyl)-3-methoxymethyloxy-4-methylcarbonylthiophene

Reaction equation

[C:1]([CH3:2])([CH3:3])([CH3:4])[c:5]1[cH:6][cH:7][c:8](-[c:11]2[s:12][cH:13][c:14]([CH:20]([CH3:21])[OH:22])[c:15]2[O:16][CH2:17][O:18][CH3:19])[cH:9][cH:10]1.[Cl:34][CH2:35][Cl:36].[O:23]=[Cr:24]([Cl:25])([O-:26])=[O:27].[nH+:28]1[cH:29][cH:30][cH:31][cH:32][cH:33]1>>[C:1]([CH3:2])([CH3:3])([CH3:4])[c:5]1[cH:6][cH:7][c:8](-[c:11]2[s:12][cH:13][c:14]([C:20]([CH3:21])=[O:22])[c:15]2[O:16][CH2:17][O:18][CH3:19])[cH:9][cH:10]1