反应详情

To a slurry of 5-cyano-2-methyl-4[4-fluoro-2-nitro-anilino]-1,2,3-triazole (2.62 g) in ethanol (25 ml) was added anhydrous stannous chloride (5.7 g) in concentrated hydrochloric acid (25 ml) and the solution heated at reflux for one hour, cooled and the resulting solid filtered to give a pale yellow crystalline solid; melting point 275° C.

1. temperaturethe solution heated
2. temperatureat reflux for one hour
3. temperaturecooled
4. filtrationthe resulting solid filtered
5. customto give a pale yellow crystalline solid