Cesium carbonate → HCID 136358409, compound

Participants

Reaction Conditions

Reaction Steps

The product of Example 322C (0.038 g, 0.089 mmol) was reacted with cesium carbonate (0.087 g, 0.27 mmol), 2-bromoacetamide (0.018 g, 0.13 mmol) and a catalytic amount of tetrabuylammonium iodide in N,N-dimethylformamide (3 mL) at 25° C. for 2 hours. The reaction was concentrated to half the volume under a stream of nitrogen warmed through a manifold heated to 165° C. The resulting solution was diluted with water and the precipitate was collected by filtration and dried to give the title compound (0.041 g, 95%). MS (ESI−) m/z 484 (M−H)−. The sodium salt of the title compound was prepared according to the procedure of Example 1D. 1H NMR (300 MHz, DMSO-d6) δ ppm 0.93 (t, J=7.17 Hz, 3 H) 1.48 (m, 4 H) 2.76 (m, 2 H) 4.49 (s, 2 H) 5.90 (t, J=6.80 Hz, 1 H) 7.06 (t, J=6.99 Hz, 1 H) 7.21 (m, 2 H) 7.40 (m, 1 H) 7.54 (m, 2 H) 8.07 (dd, J=8.09, 1.10 Hz, 1 H) 16.24 (s, 1 H).

Provenance & Evidence