Water → 2-((4-(2-(Pyridin-4-yl)ethynyl)phenoxy)methyl)quinoline

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A mixture of 4-(2-(pyridin-4-yl)ethynyl)phenol (335 mg, 1.72 mmol), 2-(chloromethyl)quinoline hydrochloride (385 mg, 1.8 mmol), and cesium carbonate (2.2 g, 6.87 mmol) was stirred in dimethylformamide (8 mL) at 65° C. for 3 h. Water (20 mL) was added and the mixture was extracted with dichloromethane (3×15 mL). The organic layers were dried, concentrated, and the residue chromatographed on silica eluted with a gradient of 10% to 80% ethyl acetate-hexanes giving 450 mg (78%) of a yellow solid. 1H NMR (CDCl3, 400 mHz) δ 8.56 (m, 2H), 8.20 (d, 1H, J=8.7 Hz), 8.08 (d, 1H, J=8.3 Hz), 7.82 (d, 1H, J=7.9 Hz), 7.74 (ddd, 1H, J=8.4, 7, 1Hz), 7.63 (d, 1H, J=8.7 Hz), 7.55 (ddd, 1H, J=8, 7, 1 Hz), 7.47 (m, 2H), 7.35 (m, 2H), 7.01 (m, 2H), 5.41 (s, 2H). MS (AP+) m/e 337 (MH+).

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