Journal ArticleDOI
Short synthesis of bis-NHC-Pd catalyst derived from caffeine and its applications to Suzuki, Heck, and Sonogashira reactions in aqueous solution
Fen-Tair Luo,Hung-Kun Lo +1 more
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TLDR
A short and efficient synthesis of a bis-NHC-palladium catalyst simply prepared from caffeine in two steps was reported in this article, which can be used as a good catalyst in running Suzuki-Miyaura, Mizoroki-Heck, and Sonogashira reactions in aqueous solution.About:
This article is published in Journal of Organometallic Chemistry.The article was published on 2011-03-15. It has received 84 citations till now. The article focuses on the topics: Sonogashira coupling & Heck reaction.read more
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Recent advances in Sonogashira reactions
Rafael Chinchilla,Carmen Nájera +1 more
TL;DR: This critical review focuses on developments in the Sonogashira reaction achieved in recent years concerning catalysts, reaction conditions and substrates.
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N-heterocyclic carbene transition metal complexes for catalysis in aqueous media
TL;DR: The last decade has seen an increasing number of reports on the use of NHC-metal complexes for catalysis in water, therefore this review is aimed to introduce the whole research on this area, in which the Use of water or aqueous/organic media is to be applied.
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Synthesis and application of water-soluble NHC transition-metal complexes.
TL;DR: An overview on the state-of-the-art in transition-metal complexes formed with water-soluble NHC ligands is provided, with wide areas of this young field remain to be investigated, offering great potential for future research.
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Water in N-Heterocyclic Carbene-Assisted Catalysis
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Palladium-Catalyzed Heck Cross-Coupling Reactions in Water: A Comprehensive Review
Fadri Christoffel,Thomas R. Ward +1 more
TL;DR: In this article, a review summarizes the different approaches pursued to perform Heck reactions in neat water as well as aqueous mixtures, including homogeneous and immobilized catalysts, including nanoparticles.
References
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A stable crystalline carbene
TL;DR: Synthese, structure et caracterisation du (1,3-bis [1-adamantyl]-2, 3-dihydro)-2,carbenoimidazole prepare par deprotonation du chlorure de (1 3-bis] [1]- imidazolium as discussed by the authors.
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N-heterocyclic carbenes: a new concept in organometallic catalysis.
TL;DR: N-Heterocyclic carbenes have become universal ligands in organometallic and inorganic coordination chemistry as mentioned in this paper, and they not only bind to any transition metal, be it in low or high oxidation states, but also to main group elements such as beryllium, sulfur, and iodine.
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Heterocyclic Carbenes: Synthesis and Coordination Chemistry
TL;DR: New methods for the synthesis of complexes with N-heterocyclic carbene ligands such as the oxidative addition or the metal atom template controlled cyclized isocyanides have been developed recently.
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Organocatalysis by N-Heterocyclic Carbenes
TL;DR: The inversion of the classical reactivity (Umpolung) opens up new synthetic pathways in biochemical processes as nucleophilic acylations and in nature, the coenzyme thiamine (vitamin B1), a natural thiazolium salt, utilizes a catalytic variant of this concept in biochemical process as nucleophile acylation.
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Palladium Complexes of N-Heterocyclic Carbenes as Catalysts for Cross-Coupling Reactions—A Synthetic Chemist's Perspective
TL;DR: The basics of Pd-NHC chemistry are discussed to understand the peculiarities of these catalysts and a critical discussion on their application in C-C and C-N cross-coupling as well as carbopalladation reactions is given.