2,3-Dimethyl 2,3-pyridinedicarboxylate → Methyl 2-(2-(4-fluorophenyl)acetyl)nicotinate

関与物質

反応手順

To a solution of dimethylpyridine-2,3-dicarboxylate (1.0 g, 5.1 mmol) in tetrahydrofuran (50 ml) was added (4-fluorobenzyl)magnesium chloride (0.25 M in tetrahydrofuran, 20 ml, 5.1 mmol) through a syringe at −78° C. The reaction mixture was stirred at the same temperature for 30 minutes and was quenched with addition of water. After warming up to room temperature, the reaction mixture was partitioned between ethyl acetate and brine. The organic phase was washed with brine and concentrated. The residue was purified by flash chromatography (15% ethyl acetate in hexane) to give the title compound. MS (DCI/NH3) m/z 274 (M+H)+.

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