反应详情

In a similar manner as described for Intermediate 18, 6-(1-aminoethyl)-N-(3,4,5-trimethoxyphenyl)-1,2,4-triazin-3-amine (Intermediate 9) (200 mg, 0.65 mmol), 3-furoic acid (95 mg, 0.85 mmol), diisopropylethylamine (0.34 mL, 1.95 mmol) and O-(7-azabenzotriazol-1-yl)-N,N,N′,N′-tetramethyluronium hexafluorophosphate (350 mg, 0.92 mmol) in dimethylformamide (5 mL) gave N-(1-{3-[(3,4,5-trimethoxyphenyl)amino]-1,2,4-triazin-6-yl}ethyl)-3-furamide (226 mg, 86%) as a yellow solid. MS m/z 399 (M+1).