Methyl Ethyl Ketone → (3RS,4RS)-4-[4-(2-chloroethyloxy)phenyl]-7-methoxymethyloxy-3-[4-(methoxymethyloxy)phenyl]-3-methyl-thiochroman

Reaction equation

C(C(C)=O)C.[OH:6][C:7]1[CH:12]=[CH:11][C:10]([CH:13]2[C:22]3[C:17](=[CH:18][C:19]([O:23][CH2:24][O:25][CH3:26])=[CH:20][CH:21]=3)[S:16][CH2:15][C:14]2([C:28]2[CH:33]=[CH:32][C:31]([O:34][CH2:35][O:36][CH3:37])=[CH:30][CH:29]=2)[CH3:27])=[CH:9][CH:8]=1.C(=O)([O-])[O-].[K+].[K+].Br[CH2:45][CH2:46][Cl:47]>O>[Cl:47][CH2:46][CH2:45][O:6][C:7]1[CH:12]=[CH:11][C:10]([CH:13]2[C:22]3[C:17](=[CH:18][C:19]([O:23][CH2:24][O:25][CH3:26])=[CH:20][CH:21]=3)[S:16][CH2:15][C:14]2([C:28]2[CH:29]=[CH:30][C:31]([O:34][CH2:35][O:36][CH3:37])=[CH:32][CH:33]=2)[CH3:27])=[CH:9][CH:8]=1