1-Bromo-3-chloropropane → N2-Butyl-9-(3-chloropropyl)-8-(methyloxy)-9H-purine-2,6-diamine

참여 물질

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반응 단계

N2-Butyl-8-(methyloxy)-9H-purine-2,6-diamine trifluoroacetate (701 mg, 2.001 mmol) and potassium carbonate (690 mg, 4.99 mmol) were suspended in DMF (10 ml) and the mixture heated at 50° C. under nitrogen for 2 hours. The mixture was allowed to cool and then 1-bromo-3-chloropropane (198 μl, 2.002 mmol) was added and the reaction mixture stirred at ambient temperature overnight. After 16 hours the reaction mixture was partitioned between water and DCM (25 ml of each). The aqueous phase was extracted with further DCM (2×20 ml). The combined DCM extracts were dried over magnesium sulphate and concentrated in vacuo to give the impure title compound as a pale yellow oil with some solid present (0.76 g) which was used without further purification.

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