Réaction #47723

Équation de réaction

N2,4-diphenylpyridine-2,3-diamine

ethoxymethylene malononitrile

→

3.7-diphenyl-3H-imidazo[4,5-b]pyridine

Rendement 75.0%

Solvants

isopropanol

Conditions de réaction

Traitement

1. 1
   Températurerefluxed for 6 hours
2. 2
   AutreThe solution was removed
3. 3
   Autrewas purified
4. 4
   Autreto thereby produce a solid crystalline product at a yield of 75%

Mode opératoire

0.70 mol of N2,4-diphenylpyridine-2,3-diamine and 2.56 mol of ethoxymethylene malononitrile were added in 10 ml of isopropanol, and refluxed for 6 hours. The solution was removed and was purified by using column chromatography to thereby produce a solid crystalline product at a yield of 75%.

Source