Ammonium → 4-Methoxy-8,9-dihydro-5,7-dioxabenzocycloheptene-2-carbaldehyde

HRID 960104

Reaction equation

[Br:1][c:2]1[cH:3][c:4]([O:13][CH3:14])[c:5]2[c:6]([cH:12]1)[CH2:7][CH2:8][O:9][CH2:10][O:11]2.[CH2:15]([Li:16])[CH2:17][CH2:18][CH3:19].[CH2:30]1[O:31][CH2:32][CH2:33][CH2:34]1.[CH3:35][CH2:36][O:37][C:38](=[O:39])[CH3:40].[CH:20](=[O:21])[N:22]1[CH2:23][CH2:24][O:25][CH2:26][CH2:27]1.[Cl-:28].[NH4+:29]>>[c:2]1([CH:20]=[O:21])[cH:3][c:4]([O:13][CH3:14])[c:5]2[c:6]([cH:12]1)[CH2:7][CH2:8][O:9][CH2:10][O:11]2