反应详情

To a stirred solution of cyanuric chloride (2 g, 10.84 mmol) in DCM (40 ml) at 0-5° C. was added dropwise a solution of N-methyl aniline (1.16 ml, 10.84 mmol) and DIPEA (2.08 ml, 12.26 mmol) in DCM (30 ml). The resulting mixture was allowed to warm to room temperature and stirred for 48 h. The reaction mixture was diluted with DCM (40 ml) the solution was then extracted with 2M aq. HCl (2×40 mL) and saturated brine (30 mL) and dried further over anhydrous sodium sulfate. The organic phase was evaporated to dryness to furnish the title compound as an off white solid (2.726 g, 99%). Method C HPLC-MS: MH+ requires m/z=255. Found: m/z=255, Rt=1.48 min (100%). 1H NMR (500 MHz, CDCl3) δ ppm 7.35-7.42 (2H, m), 7.29 (1H, d), 7.15-7.21 (3H, m), 3.48 (3H, s).

1. extractionwas then extracted with 2M aq. HCl (2×40 mL) and saturated brine (30 mL)
2. dry with materialdried further over anhydrous sodium sulfate
3. customThe organic phase was evaporated to dryness