Potassium Cation → methyl 4-(1-methyl-1H-pyrazol-5-yl)-5-(trifluoromethyl)-2-thiophenecarboxylate

Reaction equation

[Br:1][c:2]1[cH:3][c:4]([C:11](=[O:12])[O:13][CH3:14])[s:5][c:6]1[C:7]([F:8])([F:9])[F:10].[CH3:15][n:16]1[n:17][cH:18][cH:19][c:20]1[B:21]1[O:22][C:23]([CH3:24])([CH3:25])[C:26]([CH3:27])([CH3:28])[O:29]1.[K+:30].[K+:31].[O-:32][C:33]([O-:34])=[O:35].[O:36]1[CH2:37][CH2:38][O:39][CH2:40][CH2:41]1.[OH2:42]>>[c:2]1(-[c:20]2[n:16]([CH3:15])[n:17][cH:18][cH:19]2)[cH:3][c:4]([C:11](=[O:12])[O:13][CH3:14])[s:5][c:6]1[C:7]([F:8])([F:9])[F:10]