反应详情

To 4-n-octylaniline (0.1 g; 0.49 mmol) ethyl 3-isocyanatopropionate (0.08 g; 0.54 mmol) was added at room temperature. The resulting mixture was diluted to 1 ml with CH2Cl2, refluxed for 30 min and evaporated to dryness. The residue was treated with Et2O (5 ml) and the solid formed was filtered off and dried to give the title compound (0.15 g; 87%), as colourless crystals. 1H-NMR (CDCl3) 7.22-7.07 (m, 4H); 6.34 (broad s, 1H); 5.34 (m, 1H); 4.15-4.07 (m, 2H); 3.54-3.46 (m, 2H); 2.73 (m, 4H); 2.57-2.51 (m, 4H); 1.58 (m, 2H); 1.27-1.19 (m, 13H); 0.86 (m, 3H).

1. temperaturerefluxed for 30 min
2. customevaporated to dryness
3. additionThe residue was treated with Et2O (5 ml)
4. customthe solid formed
5. filtrationwas filtered off
6. customdried