Benzyl diethyl phosphate → 5-Benzylfuran-2-carbaldehyde

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The title compound was synthesized from 5-formylfuran-2-ylboronic acid (0.80 g, 5.7 mmol) and benzyl diethyl phosphate (1.5 g, 6.3 mmol) using the same conditions used to synthesize 4-(4-chlorobenzyl)thiophene-2-carbaldehyde. Purification by flash chromatography yielded 5-benzyl-furan-2-carbaldehyde as a brown solid (0.37 g, 65%). 1H NMR (400 MHz, CDCl3) δ ppm 9.56 (s, 1H) 7.29-7.38 (m, 3H) 7.24-7.28 (m, 2H) 7.17 (d, J=3.5 Hz, 1H) 6.19 (d, J=3.6 Hz, 1H) 4.07 (s, 2H).

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