Cesium carbonate → 6-(2-chloropyrimidin-4-yl)-2-(2-trimethylsilanylethoxymethyl)-4-[1-(2-trimethylsilanylethoxymethyl)-1H-benzimidazol-2-yl]-2H-pyridazin-3-one

Reaction equation

[O:1]=[C:2]1[N:7]([CH2:8][O:9][CH2:10][CH2:11][Si:12]([CH3:15])([CH3:14])[CH3:13])[N:6]=[C:5](B(O)O)[CH:4]=[C:3]1[C:19]1[N:23]([CH2:24][O:25][CH2:26][CH2:27][Si:28]([CH3:31])([CH3:30])[CH3:29])[C:22]2[CH:32]=[CH:33][CH:34]=[CH:35][C:21]=2[N:20]=1.[Cl:36][C:37]1[N:42]=[C:41](Cl)[CH:40]=[CH:39][N:38]=1.C(=O)([O-])[O-].[Cs+].[Cs+]>O.O1CCOCC1>[Cl:36][C:37]1[N:42]=[C:41]([C:5]2[CH:4]=[C:3]([C:19]3[N:23]([CH2:24][O:25][CH2:26][CH2:27][Si:28]([CH3:31])([CH3:30])[CH3:29])[C:22]4[CH:32]=[CH:33][CH:34]=[CH:35][C:21]=4[N:20]=3)[C:2](=[O:1])[N:7]([CH2:8][O:9][CH2:10][CH2:11][Si:12]([CH3:15])([CH3:14])[CH3:13])[N:6]=2)[CH:40]=[CH:39][N:38]=1