3-bromo-N-(1-{3-[(3,4,5-trimethoxyphenyl)amino]-1,2,4-triazin-6-yl}ethyl)benzamide 、
6-(1-aminoethyl)-N-(3,4,5-trimethoxyphenyl)-1,2,4-triazin-3-amine 、
5-溴-2-羧基噻吩 、
三乙胺 、
N,N-二甲基甲酰胺 以O-(7-azabenzotriazol-1-yl-N,N,N′,N′tetramethyluronium hexafluorophospahte (0.28 g, 0.73 mmol) and triethylamine (0.20 mL, 1.4 mmol) in N,N-dimethylformamide (10 mL) gave 5-bromo-N-(1-{3-[(3,4,5-trimethoxyphenyl)amino]-1,2,4-triazin-6-yl}ethyl)thiophene-2-carboxamide (0.35 g) as a white solid的产率得到[Dimethylamino(triazolo[4,5-b]pyridin-3-yloxy)methylidene]-dimethylazanium