反应详情

温度

110 °C

To a solution of 2.66 g (8.34 mmol) of ethyl 6-[(dimethylamino)methylene]-7-oxo-1-(2-hydroxy-ethyl)-4,5,6,7-tetrahydro-1H-indazole-3-carboxylate in 15 mL of DMF, 2.64 g (8.34 mmol) of N-[5-(4-methyl-piperazin-1-yl)-2-trifluoromethoxy-phenyl]-guanidine was added. The mixture was stirred for 4 h at 110° C. After cooling the mixture was poured into water (100 mL) and stirred for 30 minutes. The precipitate was filtered, washed with water and dried to yield 2.86 g of title compound (61%).

1. temperatureAfter cooling the mixture
2. stirringstirred for 30 minutes
3. filtrationThe precipitate was filtered
4. washwashed with water
5. customdried