1-(Bromomethyl)-4-chlorobenzene → 1-(4-Chlorobenzyl)-6-oxo-1,6-dihydropyridine-3-carbaldehyde

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Reaction Steps

According to Scheme 2: The title compound was prepared from 6-methoxynicotinaldehyde (1 eq, 13.4 mmol, 1.83 g) and 4-chloro-benzylbromide (2 eq, 26.8 mmol, 5.50 g) according to the procedure described for Example 6 Step 2. Reaction conditions: 17 hours under reflux. The crude product was purified by silica gel chromatography (AIT Flashsmart prepacked column 25 g SiO2) using CH2Cl2/AcOEt 95/5 as eluent to afford 1-(4-chlorobenzyl)-6-oxo-1,6-dihydropyridine-3-carbaldehyde (9.08 mmol, 2.25 g, 68%) as an orange solid.

Provenance & Evidence