Enantioselective counter-anions in photoredox catalysis: the asymmetric cation radical Diels-Alder reaction.
Tetrahedron
; 74(26): 3266-3272, 2018 Jun 28.
Article
em En
| MEDLINE
| ID: mdl-30287974
ABSTRACT
Control of absolute stereochemistry in radical and ion radical transformations is a major challenge in synthetic chemistry. Herein, we report the design of a photoredox catalyst system comprised of an oxidizing pyrilium salt bearing a chiral N-triflyl phosphoramide anion. This class of chiral organic photoredox catalysts is able to catalyze the formation of cation radical-mediated Diels-Alder transformations in up to 7525 e.r. in both intramolecular and intermolecular examples.
Texto completo:
1
Coleções:
01-internacional
Base de dados:
MEDLINE
Idioma:
En
Revista:
Tetrahedron
Ano de publicação:
2018
Tipo de documento:
Article
País de afiliação:
Estados Unidos