Một số phản ứng hóa học thường gặp trong chương amin - amino axit

PH NG HOÁ TH NG PỘ ƯỜ TRONG CH NG AMIN AMINO AXIT PEPTIT PROTEINƯƠ1. C2 H5 –NH2 HONO2NaNO HCl+¾¾ ¾¾® C2 H5 –OH N2 H2 O2. C6 H5 –NH2 HONO HClo0 C-¾¾ ¾® C6 H5 N2 Cl 2H2 3. C6 H5 N2 Cl H2 O¾¾® C6 H5 OH N2 HCl 4. R(R’)N +HO N=Oot¾¾® R(R’)N =O H2 (nitroso màu vàng)5. CH3 –NH2 H2 ¾¾®¬ ¾¾ CH3 –NH3 OH -6. CH3 NH2 H–COOH  H–COONH3 CH3 metylamoni fomiat7. CH3 NH2 HNO3  CH3 NH3 NO38. C6 H5 NH2 HCl  C6 H5 NH3 Cl phenylamoni clorua9. CH3 NH3 Cl NaOH  CH3 NH2 NaCl H2 10. C6 H5 NH2 CH3 COOH  CH3 COONH3 C6 H511. C6 H5 NH2 H2 SO4  C6 H5 NH3 HSO412. 2C6 H5 NH2 H2 SO4  [C6 H5 NH3 ]2 SO4 13. 3Br2(dd)+ 3HBr(dd)NH2BrBrNH2Br(dd)14. R–NO2 6[]H Fe HCl+¾¾ ¾¾® R–NH2 2H2 O15. C6 H5 –NO2 6[]H Fe HCl+¾¾ ¾¾® C6 H5 –NH2 2H2 Cũng có th vi ế16. R–NO2 6HCl 3Fe  R–NH2 3FeCl2 2H2 O17. R–OH NH3 3Al P+¾¾ ¾¾® R–NH2 H2 O18. 2R–OH NH3 3Al P+¾¾ ¾¾® (R)2 NH 2H2 O19. 3R–OH NH3 3Al P+¾¾ ¾¾® (R)3 3H2 O20. R–Cl NH3 5oC OH100 C¾¾ ¾¾® NH2 HCl21. R–NH2 HCl  R–NH3 Cl22. R–Cl NH3 5oC OH100 C¾¾ ¾¾® R–NH3 Cl23. R–NH3 Cl NaOH  R–NH2 NaCl H2 O24. 2R–Cl NH3 5oC OH100 C¾¾ ¾¾® (R)2 NH 2HCl25. 3R–Cl NH3 5oC OH100 C¾¾ ¾¾® (R)3 3HCl26. H2 N–R–COOH ¾¾®¬ ¾¾ H2 N–R–COO ¾¾®¬ ¾¾ H3 +–R COO -27. H2 NR(COOH)a aNaOH  H2 N(COONa)a aH2 O28. 2(H2 N)b R(COOH)a aBa(OH)2  [(H2 N)b R(COO)a ]2 Baa 2aH2 O29. H2 N–R–COOH Na  H2 N–R–COONa 12 H230. (H2 N)b R(COOH)a aNa  (H2 N)b R(COONa)a a2 H231. 2(H2 N)b R(COOH)a aNa2 O  2(H2 N)b R(COONa)a aH2 O32. H2 N–R–COOH R’–OH HCl¾ ¾®¬ ¾¾ H2 N–R–COOR’ H2 O33. H2 N–R–COOH R’–OH HCl HCl¾¾®¬ ¾¾ [H3 +–R–COOR ’]Cl H2 O34. [H3 +–R–COOR ’]Cl NH3  H2 N–R–COOR’ NH4 Cl 35. H2 N–R–COOH HCl  ClH3 N–R–COOH36. 2(H2 N)b R(COOH)a bH2 SO4  [(H3 N)b R(COOH)a ]2 (SO4 )b37. ClH3 N–R–COOH 2NaOH  H2 N–R–COONa NaCl H2 O38. H2 N–R–COOH HONO HCl  HO–R–COOH N2 H2 O39. nH2N[CH2]5COOHNH[CH2]5COn+ nH2Oxt, to, p40. nH2N[CH2]6COOHxt, to, pHN[CH2]6CO nH2On41. CH3 CH(Br)COOH 3NH3  CH3 CH(NH2 )COONH4 NH4 Br