Chloride → 4-Chloro-5,6,7,8-tetrahydrocinnoline-3-carboxylic acid ethyl ester

Reaction equation

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