Mechanistic and reactivity insights into diboron-mediated N=N and N-N bond scission

Diboron reagents have emerged as versatile reducing agents capable of transforming a broad range of functional groups through pathways like hydrogen- or metal–hydride-based reductions. Moreover, the strong thermodynamic driving force for B─O bondf ormation enables efficient cleavage of X─O bonds and...

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Detalles Bibliográficos
Autores: Valderrama-Callejón, Raúl, Alonso Montero, María Inés, Cid de la Plata, María Belén
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::dfa114306131684831b65a8a16fd8a8e
Acceso en línea:https://hdl.handle.net/10486/774700
https://dx.doi.org/10.1002/ejoc.70523
Access Level:acceso abierto
Palabra clave:B─B bond activation
B─O bond formation
diboron reagents
N─N bond cleavage
N═N reduction
Química
Descripción
Sumario:Diboron reagents have emerged as versatile reducing agents capable of transforming a broad range of functional groups through pathways like hydrogen- or metal–hydride-based reductions. Moreover, the strong thermodynamic driving force for B─O bondf ormation enables efficient cleavage of X─O bonds and straight forward deoxygenation without the need for external hydrogen sources such as water or alcohol. This intrinsic reactivity can be further enhanced by bases or Lewis-basic additives, including pyridines, which promote B─B bond activation and broaden the scope of transformations accessible under mild conditions. The effectiveness of diboron-mediated X─O bond cleavage naturally raises the question of whether these reagents might also promotethe scission of N─N bonds─a transformation of increasing interest due to the prevalence of N─N motifs in synthetic intermedi-ates, pharmaceuticals, and nitrogen-rich frameworks. This review outlines current understanding of diboron-mediated N═N andN─N bond cleavage and unifies mechanistic and reactivity insights to guide future advances in diboron-based synthetic transformations