反应详情

A solution of the product of Example 426B (0.028 g, 0.092 mmol) and the product of Example 425D (0.025 g, 0.092 mmol) in 1,4-dioxane was heated at 100° C. for 40 minutes. The solvent was removed under a stream of with warm nitrogen and the residue was triturated with water and ethyl acetate. The precipitate in the organic layer was filtered and dried to yield the title compound (0.006 g, 12%). MS (ESI−) m/z 473 (M−H)−. 1H NMR (500 MHz, DMSO-D6) δ 3.06 (s, 3 H) 5.21 (s, 2 H) 6.38 (d, J=4.88 Hz, 1 H) 7.34 (m, 5 H) 7.55 (m, 3 H) 8.18 (d, J=3.05 Hz, 1 H) 10.25 (s, 1 H) 13.87 (s, 1 H) 14.05 (s, 1 H).

1. customThe solvent was removed under a stream of with warm nitrogen
2. customthe residue was triturated with water and ethyl acetate
3. filtrationThe precipitate in the organic layer was filtered
4. customdried