Phosphorus oxychloride → 5-fluoro-3-formyl-1-naphthalen-1-ylmethyl-1H-indole-2-carboxylic acid ethyl ester

Reaction equation

O=P(Cl)(Cl)Cl.CN([CH:14]=[O:15])C1C=CC=CC=1.[CH2:16]([O:18][C:19]([C:21]1[N:22]([CH2:31][C:32]2[C:41]3[C:36](=[CH:37][CH:38]=[CH:39][CH:40]=3)[CH:35]=[CH:34][CH:33]=2)[C:23]2[C:28]([CH:29]=1)=[CH:27][C:26]([F:30])=[CH:25][CH:24]=2)=[O:20])[CH3:17].C([O-])(=O)C.[Na+]>ClCCCl>[CH2:16]([O:18][C:19]([C:21]1[N:22]([CH2:31][C:32]2[C:41]3[C:36](=[CH:37][CH:38]=[CH:39][CH:40]=3)[CH:35]=[CH:34][CH:33]=2)[C:23]2[C:28]([C:29]=1[CH:14]=[O:15])=[CH:27][C:26]([F:30])=[CH:25][CH:24]=2)=[O:20])[CH3:17]