Potassium Carbonate → N-(imidazo[1,2-a]pyridin-7-ylmethyl)-5-[(4R)-2-oxo-4-(propan-2-yl)-1,3-oxazolidin-3-yl]thiophene-2-carboxamide

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A solution of 5-bromo-N-(imidazo[1,2-a]pyridin-7-ylmethyl)thiophene-2-carboxamide (84 mg, 0.25 mmol), (R)-4-isopropyloxazolidin-2-one (32 mg, 0.25 mmol), N,N-dimethylethane-1,2-diamine (2 mg, 0.025 mmol), copper(I) iodide (5 mg, 0.025 mmol) and potassium carbonate (121 mg, 0.88 mmol) in dioxane (1 ml) was stirred at 110° C. overnight. Concentration and reverse phase chromatography provided the title compound. 1H NMR (400 MHz, methanol-d4) δ ppm 9.13 (t, J=5.3 Hz, 1H), 8.74 (d, J=5.5 Hz, 1H), 8.17 (s, 1H), 7.99 (s, 1H), 7.79 (s, 1H), 7.62 (d, J=4.1 Hz, 1H), 7.47 (d, J=7.0 Hz, 1H), 6.77 (d, J=4.2 Hz, 1H), 4.72 (s, 2H), 4.61-4.42 (m, 3H), 2.46 (ddd, J=10.2, 6.9, 3.5 Hz, 1H), 1.00 (d, J=7.0 Hz, 3H), 0.85 (d, J=6.8 Hz, 3H); (APCI(+)) m/e 385 (M+H)+.

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