Some common heterocyclic compound, 1179361-84-2, name is Ethyl 1-amino-1H-imidazole-5-carboxylate, molecular formula is C6H9N3O2, traditional synthetic route has been very mature, but the traditional synthetic route has various shortcomings, such as complicated route, low yield, poor purity, etc, below Introduce a new synthetic route. Application In Synthesis of Ethyl 1-amino-1H-imidazole-5-carboxylate
Preparation of intermediate II-29; A mixture of intermediate II-30 and NH4CI in 7N NHa/MeOH solution was heated at 90C (sand bath) in a closed vessel for 72h. The reaction was heated at 110C for 24 h. Fresh 7N was added (20 mL) and the reaction was heated at 120C for 5 h. Solvents were evaporated to dryness. The residue was partitioned between EtOAc/water. The organic layer was washed once with water, dried and evaporated to give only 11 mg of residue. The aqueous layer was evaporated to dryness to give 400 mg of a white solid, as a mixture of desired product, intermediate 11-29 and NH4CI salts (yield > 100%) that was used as such in next reaction.
These compound has a wide range of applications. It is believed that with the continuous development of the source of the synthetic route 1179361-84-2, its application will become more common.
Reference:
Patent; CENTRO NACIONAL DE INVESTIGACIONES ONCOLOGICAS (CNIO); PASTOR FERNANDEZ, Joaquin; MARTINEZ GONZALEZ, Sonia; ALVAREZ ESCOBAR, Rosa Maria; RODRIGUEZ HERGUETA, Antonio; MARTIN HERNANDO, Jose Ignacio; RAMOS LIMA, Francisco, Javier; WO2011/89400; (2011); A1;,
Imidazole – Wikipedia,
Imidazole | C3H4N2 – PubChem