Potassium Carbonate → HCID 30074581, 화합물

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To a solution of 28 mg (0.24 mmol) of L-Proline in N,N-dimethylformamide (3 mL) at ambient temperature was added 51 mg (0.24 mmol) of 2-bromobenzothiazole, 100 mg (0.72 mmol) of potassium carbonate, and 6 mg (0.03 mmol) of copper iodide. The reaction mixture was stirred at 100° C. overnight. It was then filtered and purified by reverse-phase HPLC (TMC Pro-Pac C18; 0-60% 0.1% trifluoroacetic acid in acetonitrile/0.1% trifluoroacetic acid in water gradient). The pure fractions were lyophilized overnight to give 35 mg 60% of the title compound as a light brown solid. 1H NMR (DMSO-d6): δ 7.78 (d, J=8.0 Hz, 1H), 7.45 (d, J=8.0 Hz, 1H), 7.28 (t, J=7.8 Hz, 1H), 7.08 (t, J=7.8 Hz, 1H), 4.48 (d, J=7.3 Hz, 1H), 3.52-3.61 (m, 2H), 2.37 (m, 1H), 2.01-2.11 (m, 3H). LC/MS 249.3 (M+1)

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