反应详情

温度

150 °C

Add benzylamine (32.0 mL, 293 mmol) to methyl 3-(4-hydroxyphenyl)propionate (7.01 g, 38.9 mmol) and heat to 150° C. for 18 h under nitrogen. Cool to room temperature and pour the reaction mixture into 5 N hydrochloric acid (200 mL) and extract with ethyl acetate (3×150 mL). Wash the ethyl acetate extracts with 5 N hydrochloric acid (200 mL), dry the extracts over magnesium sulfate, filter, and concentrate on a rotary evaporator to yield 9.74 g (98%) of N-benzyl-3-(4-hydroxy-phenyl)-propionamide: mass spectrum (ion spray): m/z=256.2 (M+1); 1H NMR (DMSO-d6): 9.15 (s, 1H), 8.28 (t, 1H), 7.39-6.96 (m, 7H), 6.66-6.63 (m, 2H), 4.23 (d, 2H), 2.72 (t, 2H), 2.37 (t, 2H).

1. temperatureCool to room temperature
2. extractionextract with ethyl acetate (3×150 mL)
3. washWash the ethyl acetate
4. dry with materialdry the extracts over magnesium sulfate
5. filtrationfilter
6. concentrationconcentrate on a rotary evaporator