(Pyridin-4-yl)boronic acid → (2E)-N-Indol-5-yl-3-[2-(4-pyridyl)-4-(trifluoromethyl)phenyl]prop-2-enamide

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Analogous to the procedure used to prepare Example 100, (2E)-3-[2-bromo-4-(trifluoromethyl)phenyl]-N-indol-5-ylprop-2-enamide, Example 97, (120 mg, 0.29 mmol) and pyridine-4-boronic acid (72 mg, 0.59 mmol, Frontier Scientific) provided, after purification by silica gel chromatography (gradient: 0-60%EtOAc in hexane), the title product as a yellow solid. MP 229-234° C. MS (ESI, pos. ion) m/z: 408 (M+1).

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