反应详情

4-anilino-6-(ethylcarbamoylamino)pyridine-3-carboxylic acid (i) (200 mg, 0.67 mmol), dimethylhydroxylamine hydrochloride (65 mg, 0.67 mmol), 4-dimethylaminopyridine (81 mg, 0.67 mmol) and N-hydroxybenzotriazole (90 mg, 0.67 mmol) were added to a dry RBF which was flushed with N2. DMF (1.5 mL) was added and the mixture stirred. 3-(ethyliminomethyleneamino)-N,N-dimethyl-propan-1-amine hydrochloride (150 mg, 0.80 mmol) was dissolved in DMF (1.5 mL) in a separate vial and this solution added to the reaction mixture at RT. The mixture was stirred overnight at RT.

1. customwas flushed with N2
2. additionDMF (1.5 mL) was added
3. additionadded to the reaction mixture at RT
4. stirringThe mixture was stirred overnight at RT