反应详情

温度

0 °C

Glycine (20 g, 266 mmol) was added to water (200 mL), followed by potassium hydroxide (20 g, 357 mmol) and cooled to 0° C. in an ice bath. To this solution was added 3-nitrobenzoyl chloride (20 g, 108 mmol) in acetonitrile (20 mL) drop-wise over a 10 minute period. After the reaction was complete (3-4 hours) concentrated hydrochloric acid was added until pH=2 followed by saturated aqueous NaCl (75 mL). The product was filtered, washed with water and air dried (22 g, 90% yield). 1H-NMR (d6 -DMSO) δ 3.92 (d, 2H, J=6.1), 7.9 (t, 1H, J=7.9), 8.3 (t, 1H, J=5.6), 8.35 (m, 2H), 8.69 (s, 1H), 9.25 (t, 1H, J=7.2 Hz).

1. additionwas added until pH=2
2. filtrationThe product was filtered
3. washwashed with water and air
4. customdried (22 g, 90% yield)