Cesium carbonate → 5'-tert-Butoxycarbonylamino-2'-trifluoromethoxy-biphenyl-4-carboxylic acid ethyl ester

Reaction equation

[C:1]([O:5][C:6](=[O:20])[NH:7][C:8]1[CH:13]=[CH:12][C:11]([O:14][C:15]([F:18])([F:17])[F:16])=[C:10](Br)[CH:9]=1)([CH3:4])([CH3:3])[CH3:2].[CH2:21]([O:23][C:24]([C:26]1[CH:31]=[CH:30][C:29](B(O)O)=[CH:28][CH:27]=1)=[O:25])[CH3:22].C(=O)([O-])[O-].[Cs+].[Cs+]>COCCOC>[CH2:21]([O:23][C:24]([C:26]1[CH:31]=[CH:30][C:29]([C:10]2[CH:9]=[C:8]([NH:7][C:6]([O:5][C:1]([CH3:4])([CH3:3])[CH3:2])=[O:20])[CH:13]=[CH:12][C:11]=2[O:14][C:15]([F:18])([F:17])[F:16])=[CH:28][CH:27]=1)=[O:25])[CH3:22]