反应详情

The following was added to sequentially to DMF (2 mL): 1-(4-chlorobenzyl)-7-methyl-1H-indole-2-carboxylic acid (50 mg, 0.167 mmol), DIPEA (0.10 mL, 0.584 mmol), EDC (38 mg, 0.200 mmol), and HOBT (31 mg, 0.200 mmol). This was allowed to stir for 30 min at rt, after which time the crude N-benzylpiperidine-4-carboxamide (˜36 mg, 0.20 mmol) was added. The reaction was stirred at rt for 18 h, at which time the reaction was diluted with 1:1 EtOAc:diethyl ether and washed with 10% aq. sodium carbonate (2×), dried over magnesium sulfate, and concentrated. The residue was purified via silica gel flash chromatography (20 g silica, 50% EtOAc/Hexanes) to afford the title compound as a white powder. (Yield: 39 mg, 0.078 mmol, 47%) 1H NMR (400 MHz, CDCl3) 7.50, 7.38-7.26, 7.18, 7.05-6.97, 6.81, 6.63, 5.72, 5.66-5.57, 4.70-3.89, 4.44, 2.86-2.66, 2.57, 2.32-2.23, 1.77

1. stirringThe reaction was stirred at rt for 18 h, at which time the reaction
2. washdiethyl ether and washed with 10% aq. sodium carbonate (2×)
3. dry with materialdried over magnesium sulfate
4. concentrationconcentrated
5. customThe residue was purified via silica gel flash chromatography (20 g silica, 50% EtOAc/Hexanes)