1.
Org Biomol Chem
; 21(37): 7530-7534, 2023 Sep 27.
Artigo
em Inglês
| MEDLINE
| ID: mdl-37674373
RESUMO
Carbamoyl-Hantzsch esters were used as carbamoyl radical precursors for oxidative carbamoylation of N-arylacrylamides and N-arylcinnamamides in the presence of inexpensive persulfates. This protocol can be applied to a broad range of substrates with various functional groups, providing a variety of 3,3-disubstituted oxindoles and 3,4-disubstituted dihydroquinolin-2(1H)-ones in moderate to good yields via an intermolecular addition/cyclization process.