反应 #1887275
相关文献 (1)
openreactiondata ↗doi:10.6084/m9.figshare.5104873.v1; patent:US06897231B2
反应条件: temp:60.01; pressure:0.00; stir:; See reaction.notes.procedure_details.
实验步骤: To a flask containing 1-acetyl-3-(4-fluorophenyl)-1H-indazole-5-carbonyl chloride (330 mg, 0.95 mmol) dissolved in pyridine (6 mL) was added trans-2-aminomethyl-1-cyclohexanol (135.6 mg, 1.05 mmol). The reaction was allowed to stir under a nitrogen atmosphere overnight. Solvent was removed and the reaction was extracted with ethyl acetate. The organic phase was washed with a saturated aqueous solution of sodium bicarbonate, dried with magnesium sulfate, filtered and concentrated to yield the crude product. The product was purified by column chromatography (SiO2, 5% methanol in dichloromethane). The compound was taken up in a 3% ammonia in methanol solution (8 mL) and allowed to reflux at 60° C. for three hours. The reaction was neutralized with 1 N HCl solution and extracted with ethyl acetate. The organic layer was dried with magnesium sulfate, filtered and concentrated to yield the title compound (240 mg, 69% yield). 1H NMR (DMSO-d6) δ 13.5 (s, 1H), 8.6 (s, 2H), 8.1 (m, 2H), 7.9 (d, 1H), 7.6 (d, 1H), 7.4 (m, 2H), 4.8 (s, 1H), 3.5 (m, 1H), 3.2 (m, 1H), 1.8 (m, 2H), 1.6 (m, 2H), 1.4 (m, 2H), 0.8-1.0 (m, 3H), ES-MS m/z 368 [M+1]+. Solvent was removed the reaction was extracted with ethyl acetate The organic phase was washed with a saturated aqueous solution of sodium bicarbonate dried with magnesium sulfate filtered concentrated to yield the crude product The product was purified by column chromatography (SiO2, 5% methanol in dichloromethane) extracted with ethyl acetate The organic layer was dried with magnesium sulfate filtered concentrated
来源 ID: ord-4bcb4d97c2e7415fb744f904a31c2be8