反应详情

A mixture of methyl thiosalicylate (0.65 g, 3.9 mmol), 2,4-dicyanopyridine (0.50 g, 3.9 mmol), triethylamine (0.81 ml, 5.8 mmol) and toluene (2.0 ml) was refluxed for 2.5 hrs. After cooling, the precipitated crystals were collected by filtration and recrystallized from acetone-chloroform to give the titled compound (0.54 g, 53%).

1. temperaturewas refluxed for 2.5 hrs
2. temperatureAfter cooling
3. filtrationthe precipitated crystals were collected by filtration
4. customrecrystallized from acetone-chloroform