Hydrochloric Acid → tert-Butyl 2-(7-Hydroxy-2,3-dihydro-1H-pyrrolo[1,2-a]indol-1-ylidene)acetate

Reaction equation

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