反应详情

A solution of 9.1 g. of p-methoxyphenylglyoxal, 6.7 g. of 3,4-diamino-4H-1,2,4-triazole and 4.1 g. of sodium acetate in 90 ml. of 67% acetic acid is heated on a steam bath for 1/2 hour. Water is added and heating is continued until crystals separate. The mixture is cooled and filtered. The precipitate is washed with water, ethanol and then hexane giving the desired product as yellow plates, m.p. 282.5°-284.5° C.

1. temperatureheating
2. customseparate
3. temperatureThe mixture is cooled
4. filtrationfiltered
5. washThe precipitate is washed with water, ethanol