反应详情

温度

65 °C

A mixture of methyl 3-amino-4-chloro-2-[(3-hydroxypropyl)amino]benzoate (1.13 g, 4.38 mmol) and 5-isothiocyanato-N,N,6-trimethylpyridin-2-amine (1.27 g, 6.57 mmol) in tetrahydrofuran (15 mL) was stirred at 65° C. for 3 days. The mixture was concentrated in vacuo, and the residue was washed with ethyl acetate/diisopropyl ether to give methyl 4-chloro-3-({[6-(dimethylamino)-2-methylpyridin-3-yl]carbamothioyl}amino)-2-[(3-hydroxypropyl)amino]benzoate as a brown amorphous (1.09 g).

1. concentrationThe mixture was concentrated in vacuo
2. washthe residue was washed with ethyl acetate/diisopropyl ether