Hydrochloric Acid → 6-amino-3,4-epoxy-3,4-dihydro-2,2-dimethyl-7-nitro-2H-1-benzopyran

Reaction equation

[C:7](=[O:8])([CH3:9])[NH:10][c:11]1[c:12]([N+:24](=[O:25])[O-:26])[cH:13][c:14]2[c:15]([cH:23]1)[CH:16]1[CH:17]([C:18]([CH3:20])([CH3:21])[O:19]2)[O:22]1.[CH2:1]1[O:2][CH2:3][CH2:4][O:5][CH2:6]1.[ClH:29].[Na+:28].[OH-:27].[OH2:30]>>[NH2:10][c:11]1[c:12]([N+:24](=[O:25])[O-:26])[cH:13][c:14]2[c:15]([cH:23]1)[CH:16]1[CH:17]([C:18]([CH3:20])([CH3:21])[O:19]2)[O:22]1