p-Toluenesulfonic acid monohydrate → (R)-(+)-methyl 3,4-dihydro-6-hydroxy-2,5,7,8-tetramethyl-2H-1-benzopyran-2-carboxylate
Reaction equation
[OH:1][C:2]1[C:3]([CH3:18])=[C:4]([CH3:17])[C:5]2[O:10][C@@:9]([CH3:14])([C:11]([OH:13])=[O:12])[CH2:8][CH2:7][C:6]=2[C:15]=1[CH3:16].O.[C:20]1(C)C=CC(S(O)(=O)=O)=CC=1>CO.O>[OH:1][C:2]1[C:3]([CH3:18])=[C:4]([CH3:17])[C:5]2[O:10][C@@:9]([CH3:14])([C:11]([O:13][CH3:20])=[O:12])[CH2:8][CH2:7][C:6]=2[C:15]=1[CH3:16]Participants
5
