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The 'weak base route' leading to transition metal–N-heterocyclic carbene complexes
- Source :
- CHEMICAL COMMUNICATIONS
- Publication Year :
- 2021
- Publisher :
- Royal Society of Chemistry (RSC), 2021.
-
Abstract
- N-Heterocyclic carbenes (NHCs) are nowadays ubiquitous in organometallic chemistry and catalysis. Recently, a synthetic method which makes use of weak bases and desirable solvents has emerged as a simple, widely applicable and cost-effective pathway to well defined M-NHC complexes. Herein, recent studies devoted to the weak base approach are examined in detail, in order to showcase the simplicity, scope and variations of the method with regards to the azolium salts, bases and the metal sources, as well as the reaction conditions used. Mechanistic investigations are presented, illustrating the formation of intermediates which are air and moisture stable, prior to the metallation step. Finally, the importance, limitations and future prospects of the weak base route are discussed.
- Subjects :
- STRUCTURAL-CHARACTERIZATION
BISCARBENE COMPLEXES
SUPPORTED PRECATALYSTS
CATALYTIC-PROPERTIES
Catalysis
RUTHENIUM COMPLEXES
chemistry.chemical_compound
Transition metal
Computational chemistry
OXIDATIVE ADDITION
PD-NHC NHC
TRANSFER HYDROGENATION
Materials Chemistry
Organometallic chemistry
Reaction conditions
VERSATILE PRECATALYST
Chemistry
Metals and Alloys
General Chemistry
Surfaces, Coatings and Films
Electronic, Optical and Magnetic Materials
ELECTRONIC-PROPERTIES
Ceramics and Composites
Weak base
Carbene
Subjects
Details
- ISSN :
- 1364548X and 13597345
- Volume :
- 57
- Database :
- OpenAIRE
- Journal :
- Chemical Communications
- Accession number :
- edsair.doi.dedup.....2d904e1e53c5be2851a01b4b7f2b8627