A Visible Light Ru-Catalyzed Photoredox Access to Substituted Dihydrofurans.
J Org Chem
; 87(14): 9088-9099, 2022 07 15.
Article
em En
| MEDLINE
| ID: mdl-35737852
An efficient, visible light Ru(bpy)3Cl2-catalyzed method for the preparation of 2,3-dihydrofurans is reported. This approach employs 2-bromoketoesters as radical precursors and alkyl enol ethers as acceptors. The photoredox cycle furnishes an oxonium ion that is captured by an internal nucleophile to render the corresponding dihydrofurans. Moreover, the obtained products contain a versatile acetal moiety at C-2, allowing its transformation into a diverse variety of heteroaromatic and nonaromatic compounds. This method could serve as an important tool in the synthesis of complex tetrahydro- and dihydrofurans as well as heteroaromatic structures.
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Assunto principal:
Processos Fotoquímicos
/
Luz
Idioma:
En
Revista:
J Org Chem
Ano de publicação:
2022
Tipo de documento:
Article
País de afiliação:
México
País de publicação:
Estados Unidos