Acetic Acid → HCID 135890150, compound

Participants

Reaction Steps

The compound (200 mg, 0.6 mmol) of example 42 was suspended in a mixed solution of water (5 ml) and acetic acid (5 ml), added with potassium cyanate (81 mg, 1 mmol), and heated to reflux and stirred for 2 h. The cooled reaction mixture was poured into water to generate a white solid, which was washed with water (10 ml×3) and dried to give the title compound (210 mg, yield: 91%). 1H NMR (DMSO-d6) δ: 11.76 (1H, br), 8.56 (1H, br), 7.76 (1H, d), 7.59 (1H, dd), 7.06 (1H, d), 5.78 (1H, br), 4.00 (2H, t), 2.56 (2H, q), 2.46 (2H, q), 1.74 (2H, m), 1.19 (3H, t), 1.04 (3H, t), 0.97 (3H, t).

Provenance & Evidence