Hydrochloric Acid → 2-(Butyloxy)-9-(4-piperidinylmethyl)-9H-purin-6-amine hydrochloride

Participants

Reaction Steps

4N hydrogen chloride in dioxane (5.3 mL) was added to a solution of 1,1-dimethylethyl 4-{[6-amino-2-(butyloxy)-8-(methyloxy)-9H-purin-9-yl]methyl}-1-piperidinecarboxylate (630 mg) in methanol (16 mL). After 4.5 hours at room temperature, the reaction mixture was concentrated and dried under high vacuum. Purification by chromatography on silica gel eluting with a gradient of chloroform/methanol/water 90:10:1 to 75:25:1 afforded the title compound as a white solid (404 mg).

Provenance & Evidence