2-Amino-4-methylpyrimidine → 1-(benzo[d][1,3]dioxol-5-yl)-N-(4-methylpyrimidin-2-yl)cyclopropanecarboxamide

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To 1-(benzo[d][1,3]dioxol-5-yl)cyclopropanecarbonyl chloride (45 mg, 0.2 mmol) in pyridine (2 mL) was added 4-methylpyrimidin-2-amine (22 mg, 0.2 mmol) and the reaction mixture was stirred at 115° C. for 15 hours. The solvent was evaporated to dryness and the residue redissolved in DMF, filtered and purified by reverse-phase preparative liquid chromatography utilizing a gradient of 0-99% acetonitrile in water containing 0.05% trifluoracetic acid to yield the pure product. ESI-MS m/z calc. 297.3, found 298.3 (M+1)+. Retention time 2.14 minutes.

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