title: A new method for the preparation of delta 1-pyrroline 5-carboxylic acid and proline.
mesh_terms: D000596:Amino Acids; D002264:Carboxylic Acids / Q000138:chemical synthesis; D055598:Chemical Phenomena; D002621:Chemistry; D003500:Cyclization; D005977:Glutarates; D006863:Hydrogen-Ion Concentration; D006901:Hydroxylysine; D011392:Proline / Q000031:analogs & derivatives / Q000138:chemical synthesis*; D011758:Pyrroles / Q000138:chemical synthesis*
chemical_list: D000596:Amino Acids; D002264:Carboxylic Acids; D005977:Glutarates; D011758:Pyrroles; D006901:Hydroxylysine; D011392:Proline