Cobalt-catalyzed C−H annulation of aliphatic amides with maleimides: Chemodivergent (4+1) and (3+2) pathways

Chemodivergent C–H annulation of aliphatic amides with maleimides has been achieved under cobaltcatalysis, enabling access to distinct (4 + 1) and (3 + 2) outcomes. These protocols, utilizing a readily available CoII-catalyst, deliver a powerful strategy for the synthesis of a diverse range of spiro...

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Detalles Bibliográficos
Autores: Sánchez González, Celia, Carretero Gonzálvez, Juan Carlos, Alonso Montero, María Inés, Rodríguez Garrido, Nuria, Adrio Sevilla, Francisco Javier
Tipo de recurso: artículo
Fecha de publicación:2026
País:España
Institución:Universidad Autónoma de Madrid
Repositorio:Biblos-e Archivo. Repositorio Institucional de la UAM
Idioma:inglés
OAI Identifier:oai:dnet:biblosearchi::86009ce49afab625d6380703556c1439
Acceso en línea:https://hdl.handle.net/10486/759100
https://dx.doi.org/10.1039/D6QO00080K
Access Level:acceso abierto
Palabra clave:Amides
Aspartame
Catalysis
Cobalt compounds
Química
Descripción
Sumario:Chemodivergent C–H annulation of aliphatic amides with maleimides has been achieved under cobaltcatalysis, enabling access to distinct (4 + 1) and (3 + 2) outcomes. These protocols, utilizing a readily available CoII-catalyst, deliver a powerful strategy for the synthesis of a diverse range of spiro-γ-lactams (spiropyrrolidin-2-ones) and bicyclic pyrrolidin-2,5-diones. The combination of DFT and experimental studies provides mechanistic insight into both processes, revealing the origins of their diastereo- and chemoselectivity