反应 #3331987
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openreactiondata ↗doi:10.6084/m9.figshare.5104873.v1; patent:US09290503B2
反应条件: temp:130.01; pressure:0.00; stir:; See reaction.notes.procedure_details.
实验步骤: A mixture of 5-amino-6-nitro-isoindole-1,3-dione (1.66 g, 8.0 mmol), HCl salt of 2-dimethylamino-propylamine (5.5 g, crude, <30 mmol), imidazole (1.36 g, 20 mmol) and Et3N (8.4 mL, 6.07 g, 60 mmol) in dioxane (80 mL) was sealed in a ChemGlass heavy wall pressure flask. After it was heated at 130° C. for 69 h, the reaction mixture was evaporated to dryness at 95° C. (the bath temperature) under reduced pressure. The chromatography of the residue with CH2Cl2/MeOH/28% aqueous NH4OH (240:10:1) afforded the title compound (360 mg, 15%). 1H NMR (DMSO-d6) δ 0.88 (d, J=6 Hz, 3H, CH3), 2.13 (s, 6H, 2CH3), 3.32 (m, 2H), 3.65 (m, 1H), 7.45 (s, 1H), 8.30 (s, 1H), 8.40 (br s, 2H, NH). ESI-MS m/z 293.3 (MH+). was sealed in a ChemGlass heavy wall pressure flask the reaction mixture was evaporated to dryness at 95° C. (the bath temperature) under reduced pressure
来源 ID: ord-30ef4b9ba7bf41d7b81a368385b69a4c