Dichloromethane → (1-(4-Oxopentyl)-1H-benzimidazol-2-yl)(piperidin-4-yl)amine Hydriodic Acid Salt

Participants

Reaction Steps

Combine (1-(4-oxopentyl)-1H-benzimidazol-2-yl)(1-(t-butoxycarbonyl)piperidin-4-yl)amine, ethylene ketal (0.9 g, 2.0 mmol) and dichloromethane (20 mL). Cool in an ice bath and add hydriodic acid (0.53 mL, 57%, 4.05 mmol). Warm to ambient temperature. After 0.5 hours, add water (0.5 mL) and heat to reflux. After 18 hours, cool to ambient temperature and evaporate in vacuo to give the title compound.

Provenance & Evidence