反应详情

2-Phenyl-5-trifluoromethyl-oxazole-4-carboxylic acid (4-piperidin-4-yl-phenyl)-amide (60.1 mg, 0.149 mmol), (2,4-dioxo-thiazolidin-5-yl)-acetic acid (26.2 mg, 0.149 mmol), triethylamine (63 uL, 0.448 mmol) and BOP (63.2 mg, 0.149 mmol) in 1 mL DMF were reacted as above. The crude product was purified by flash chromatography to yield 2-phenyl-5-trifluoromethyl-oxazole-4-carboxylic acid (4-{1-[2-(2,4-dioxo-thiazolidin-5-yl)-acetyl]-piperidin-4-yl}-phenyl)-amide as a white solid (76.9 mg, 90%). ES-MS calcd for C27H23F3N4O5S (m/e) 572.57, obsd 573 (M+H).

1. customThe crude product was purified by flash chromatography