Hydrochloric Acid → Methyl 3-oxo-2,3-dihydro-1-benzoxepin-7-carboxylate

Reaction equation

[Cl:39][CH2:40][Cl:41].[ClH:38].[N:1]12[CH2:2][CH2:3][CH2:4][N:5]=[C:6]1[CH2:7][CH2:8][CH2:9][CH2:10][CH2:11]2.[O:12]=[C:13]1[CH2:14][O:15][c:16]2[c:17]([cH:29][c:30]([C:33](=[O:34])[O:35][CH3:36])[cH:31][cH:32]2)[CH:18]([S:20]([c:21]2[cH:22][cH:23][cH:24][cH:25][cH:26]2)(=[O:27])=[O:28])[CH2:19]1.[OH2:37]>>[O:12]=[C:13]1[CH2:14][O:15][c:16]2[c:17]([cH:29][c:30]([C:33](=[O:34])[O:35][CH3:36])[cH:31][cH:32]2)[CH:18]=[CH:19]1