Ethanol → HCID 86715429, compound

Participants

Reaction Steps

The compound was prepared according to general procedure E with 3,4 dihydroxybenzaldehyde (3.7 mmol) in dry acetone (20 ml), anhydrous K2CO3 (2.3 mmol), and ethylbromoacetate (3.4 mmol) at 0°. The mixture was stirred at room temperature for 20 h. Ethanol was added and evaporated by azeotropic distillation with ethylbromoacetate The crude product was purified by silica gel chromatography (eluent dichloromethane). 112 mg of purified compound were obtained (15% yield). 1H NMR (250 MHz, CDCl3): δ 1.31 (t, J=7.1 Hz, 3H), 4.28 (q, J=7.1 Hz, 2H), 4.78 (q, J=6.8 Hz, 1H) 6.95 (d, J=8.8 Hz, 1H), 7.46 (d, J=8.9 Hz, 1H), 7.55 (s, 1H), 9.86 (s, 1H) 13C NMR (63 MHz, CDCl3): δ 15.2, 63.5, 67.1, 113.9, 117.1, 125.3, 132.8, 148.6, 152.4, 170.8, 193.3

Provenance & Evidence