[Br:1][C:2]1[CH:3]=[C:4]([CH:8]=[CH:9][CH:10]=1)[C:5]([OH:7])=O.[F:11][C:12]([F:21])([F:20])[C:13]1[CH:14]=[C:15]([CH:17]=[CH:18][CH:19]=1)[NH2:16].CCN(C(C)C)C(C)C.CN(C(ON1N=NC2C=CC=NC1=2)=[N+](C)C)C.F[P-](F)(F)(F)(F)F>CN(C=O)C>[Br:1][C:2]1[CH:3]=[C:4]([CH:8]=[CH:9][CH:10]=1)[C:5]([NH:16][C:15]1[CH:17]=[CH:18][CH:19]=[C:13]([C:12]([F:11])([F:20])[F:21])[CH:14]=1)=[O:7]
A mixture of 3-bromobenzoic acid (500 mg, 2.49 mmol), 3-(trifluoromethyl)aniline (0.31 ml, 2.49 mmol) and DIEA (2.06 ml, 12.45 mmol) in DMF (6 ml) was treated with HATU (1.04 g, 2.74 mmol) and the reaction mixture was stirred at room temperature for 22 hours. The reaction mixture was partitioned between ethyl acetate and water and the organic phase was washed with sat'd NaCl(aq.), dried (MgSO4), filtered, and concentrated. Elution through a flash column (silica gel 60, 230-400 mesh, 4:1 hexanes:EtOAc) gave a yellow oil which solidified on standing (622 mg, 73%).
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