1.
Org Biomol Chem
; 12(14): 2172-5, 2014 Apr 14.
Artigo
em Inglês
| MEDLINE
| ID: mdl-24569949
RESUMO
A direct transformation of N-aryl formamides to the corresponding carbamates via the formation of isocyanate intermediates is achieved in good yields using hypervalent iodine as an oxidant.
Assuntos
Álcoois/química , Carbamatos/síntese química , Formamidas/química , Carbamatos/química , Iodo/química , Estrutura Molecular , Oxirredução
2.
Chem Commun (Camb)
; 49(59): 6686-8, 2013 Jul 28.
Artigo
em Inglês
| MEDLINE
| ID: mdl-23774908
RESUMO
Direct access to unsymmetrical urea derivatives via copper catalysed C-H/N-H coupling of formamides with amines has been developed at room temperature. This protocol is also applied to the synthesis of chiral urea derivatives.