Acetate → 1-(3-Pyridylamino)-4-(4-pyridylmethyl)phthalazine

참여 물질

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반응 단계

A mixture of 0.511 g (2 mmol) 1-chloro-4-(4-pyridylmethyl)phthalazine and 0.565 g (6 mmol) 3-aminopyridine is heated for 3 h at 90° C. The residue is then distributed between acetate and 20% aqueous potassium carbonate solution. The organic phase dried over anhydrous sodium sulfate is evaporated and the residue purified on silica gel by flash chromatography using acetate/methanol mixtures (49:1 to 4:1). Title compound is obtained after crystallization of the product-containing fractions from acetonitrile and drying under HV (6 h, 80° C.); m.p. 137-139° C.; ESI-MS: (M+H)+=314.

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