反应详情

温度

80 °C

A solution of isoamylnitrite (0.27 g, 2.3 mmol), diiodomethane (1 mL), and chloroform (5 mL) was heated at 85° C. under a nitrogen atmosphere. A mixture of 5-amino-1-(2-methylpropyl)-1H-imidazole-4-carbonitrile (0.1 g, 0.6 mmol) and chloroform (5 mL) was added over a period of 15 minutes followed by a rinse with chloroform (2 mL). The reaction was stirred and heated at 80° C. for an additional 10 minutes, allowed to cool to room temperature, and concentrated under reduced pressure. The residue was purified through a layer of silica gel (eluting sequentially with chloroform, 2% methanol in chloroform, 4% methanol in chloroform, and 8% methanol in chloroform) to provide 0.15 g (90%) of 5-iodo-1-(2-methylpropyl)-1H-imidazole-4-carbonitrile as an orange solid.

1. additionwas added over a period of 15 minutes
2. washa rinse with chloroform (2 mL)
3. temperatureto cool to room temperature
4. concentrationconcentrated under reduced pressure
5. customThe residue was purified through a layer of silica gel (
6. washeluting sequentially with chloroform, 2% methanol in chloroform, 4% methanol in chloroform