Cross-Coupling Knows No Limits: Assessing the Synthetic Potential of the Palladium-Catalysed Cross-Coupling of Organolithiums
作者:James D. Firth、Peter O'Brien
DOI:10.1002/cctc.201402886
日期:2015.2
Organolithiums have passed the test! Previously considered too reactive and unstable, organolithiums have been tamed and can now participate successfully in palladium‐catalysed cross‐coupling with aryl/vinyl bromides and triflates.
Direct catalytic cross-coupling of organolithium compounds
作者:Massimo Giannerini、Martín Fañanás-Mastral、Ben L. Feringa
DOI:10.1038/nchem.1678
日期:2013.8
carbon–carbon bond formation based on cross-coupling reactions plays a central role in the production of natural products, pharmaceuticals, agrochemicals and organic materials. Coupling reactions of a variety of organometallic reagents and organic halides have changed the face of modern synthetic chemistry. However, the high reactivity and poor selectivity of common organolithium reagents have largely prohibited
Pd-Catalyzed Cross-Coupling of Aryllithium Reagents with 2-Alkoxy-Substituted Aryl Chlorides: Mild and Efficient Synthesis of 3,3′-Diaryl BINOLs
作者:Luis M. Castelló、Valentín Hornillos、Carlos Vila、Massimo Giannerini、Martín Fañanás-Mastral、Ben L. Feringa
DOI:10.1021/ol5032409
日期:2015.1.2
Palladium-catalyzedcross-coupling of aryllithiumreagents with 2-alkoxy-substituted aryl chlorides is described. The reactions proceed under mild conditions with short reaction times and provide a wide range of 2-alkoxy-substituted biaryls. This new methodology is applied to the efficient preparation of 3,3′-diaryl BINOLs and represents the first synthesis of this important class of chiral compounds
Nickel-Catalyzed Cross-Coupling of Organolithium Reagents with (Hetero)Aryl Electrophiles
作者:Dorus Heijnen、Jean-Baptiste Gualtierotti、Valentín Hornillos、Ben L. Feringa
DOI:10.1002/chem.201505106
日期:2016.3.14
Nickel‐catalyzed selective cross‐coupling of aromatic electrophiles (bromides, chlorides, fluorides and methyl ethers) with organolithium reagents is presented. The use of a commercially available nickel N‐heterocyclic carbene (NHC) complex allows the reaction with a variety of (hetero)aryllithium compounds, including those prepared via metal‐halogen exchange or direct metallation, whereas a commercially