Pyrrolidine → 5-(5-Fluoro-pyridin-2-ylmethoxy)-2-[2-(2-methyl-4-pyrrolidin-1-ylmethyl-phenyl)-2-oxo-ethyl]-2H-pyridazin-3-one

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Reaction Steps

To a solution of 2-[2-(4-bromomethyl-2-methyl-phenyl)-2-oxo-ethyl]-5-(5-fluoro-pyridin-2-ylmethoxy)-2H-pyridazin-3-one (preparation 6b, 112 mg, 0.25 mmol) in DMF (2 mL) is added pyrrolidine (63 μL, 0.75 mmol). The reaction mixture is stirred for 60 min at room temperature. The mixture is purified via reverse phase HPLC chromatography (Gilson Xbridge C18 5 μm, gradient 5%→90% acetonitrile in water+0.3% NH4OH, 120 mL/min).

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