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Review Carbenes: Synthesis, properties, and organometallic chemist

Contents lists available at ScienceDirect Coordination Chemistry Reviews journal homepage:www.elsevier.com/locate/ccr Review ... N-Heterocyclic carbenes ..... 876 4.1 ...

Anionic N-heterocyclic carbenes derived from sydnone imines such as molsidomine. Trapping reactions with selenium, palladium, and gold - ScienceDire

Currently, the design and the syntheses of anionic N-heterocyclic carbenes 1 including ditopic carbanionic N-heterocyclic carbenes 2 and anionic dicarbenes3, 4, 5 constitute an important topic in structural, complex, synthetic and catalytic chemistry. To date ...

N-Heterocyclic Carben

This paper is published as part of a Dalton Transactions themed issue on: N-Heterocyclic Carbenes Guest Editor Ekkehardt Hahn Westfälische Wilhelms-Universität, Münster, Germany Published in issue 35, 2009 of Dalton Transactions Images reproduced with ...

Neutral Nickel Complexes Of Chelating Anionic N Heterocyclic Carbenes | Download eBook PDF/EP

neutral nickel complexes of chelating anionic n heterocyclic carbenes Download neutral nickel complexes of chelating anionic n heterocyclic carbenes or read online here in PDF or EPUB. Please click button to get neutral nickel complexes of chelating anionic n ...

Site Specific Carboxylation of Abnormal Anionic N-Heterocyclic Carben

SUPPORTING INFORMATION FOR Site Specific Carboxylation of Abnormal Anionic N-Heterocyclic Carbenes Monika Vogt,a Chao Wu,b Allen G. Oliver,a Christopher J. Meyer,a William F. Schneider,*ac and Brandon L. Ashfeld*ad aDepartment of Chemistry and ...

From betaines to anionic N-heterocyclic carbenes. Borane, gold, rhodium, and nickel complexes starting from an imidazoliumphenolate and its .

2673 From betaines to anionic N-heterocyclic carbenes. Borane, gold, rhodium, and nickel complexes starting from an imidazoliumphenolate and its carbene tautomer Ming€Liu1, Jan€C.€Namyslo1, Martin€Nieger2, Mika€Polamo2 and€Andreas€Schmidt*1 Full ...

Betaine - an overview | ScienceDirect Topi

3.6 Anionic N-Heterocyclic Carbenes of Five- and Six-Membered N-Heterocyclic Carbenes Mesomeric betaines, including mesoionic compounds, ...

Anionic N-Heterocyclic Carbene Ligands from Mesoionic Imidazolium Precursors: Remote Backbone Arylimino Substitution Directs Carbene Coordinati

Anionic N-Heterocyclic Carbene Ligands from Mesoionic Imidazolium Precursors: Remote Backbone Arylimino Substitution Directs Carbene Coordination Andreas A. Danopoulos,* Kirill Yu. Monakhov, and Pierre Braunstein*[a] Dedicated to Professor Willie ...

Carbenes in ionic liquids — Hungarian Consorti

The chemistry of 1,3-dialkylimidazolium-based ionic liquids (ILs) can easily be linked to that of N-heterocyclic carbenes ... B3LYP/aug-cc-pVTZ and MP2/6-311+G** studies show that increasing the basicity of the anionic component the relative stability of the ion ...

Ruthenium Complexes of an Abnormally Bound, Anionic N‐Heterocyclic Carbene - Pranckevicius - 2014 - Chemistry – A European Journal - Wiley .

Polamo, Martin Nieger, Jan C. Namyslo and Andreas Schmidt, Anionic N-heterocyclic carbenes derived from sydnone imines such as molsidomine. Trapping reactions with selenium, palladium, and gold, Tetrahedron, 73, 36, , . Crossref ...

Kinetic Stability of Anionic N-Heterocyclic Dicarben

Kinetic Stability of Anionic N-Heterocyclic Dicarbenes Chin-Hung Lai a. School of Applied Chemistry, Chung Shan Medical University ... Carbenes have been extensively used as reaction intermediates until 1991,1 when Arduengo et al. synthesized the first 2 a ...

Anionic N-heterocyclic carbenes (NHCs): a versatile route to saturated NHCs bearing pendant weakly coordinating anions - Dalton Transactions (RSC .

Anionic N-heterocyclic carbenes (NHCs): a versatile route to saturated NHCs bearing pendant weakly coordinating anions Nicholas Phillips, a Rémi Tirfoin a and Simon Aldridge * a Author affiliations * ...

Direct in situ synthesis of cationic N-heterocyclic carbene iridium and rhodium complexes from neat ionic liquid: Application in catalytic .

A direct synthetic route to cationic N-heterocyclic carbene (NHC) complexes of rhodium and iridium from neat dialkyl-imidazolium ionic liquids (ILs) has been found. The method uses complexes bearing basic anionic ligands, [M(COD)(PPh3)X], X = OEt, MeCO2 ...

Anionic N-heterocyclic carbenes: Synthesis, coordination chemistry and applications in homogeneous catalysis - ScienceDire

Anionic N-heterocyclic carbenes (NHCs) bear an exo- or endo-cyclic anionic substituent. • Anionic NHCs containing delocalized or non-delocalized anionic charges are described. • Anionic NHCs react with transition-metal or main-group precursors to afford overall ...

Coordination chemistry of ditopic carbanionic N-heterocyclic carbenes - ScienceDire

A comprehensive review of the chemistry of ditopic carbanionic N-heterocyclic carbenes (dcNHCs) is provided. • The isolation of dcNHCs as alkali-metal salts is described. ... The chemistry of N-heterocyclic carbenes, particularly imidazol-2-ylidenes, has been ...

Sydnone anions and abnormal N-heterocyclic carbenes of O-ethylsydnones. Characterizations, calculations and catalyses - Chemical Communications .

Deprotonated sydnones, which can be represented as anionic N-heterocyclic carbenes, were prepared as Li adducts and compared with deprotonated O-ethylsydnones (5-ethoxy-1,2,3-oxadiazol-4-ylidenes) which belong to the class of abnormal NHCs. The Pd ...

Anionic N-heterocyclic carbenes by decarboxylation of sydnone-4-carboxylates - ScienceDire

Unstable N-heterocyclic carbenes can be masked and stabilized as pseudo-cross-conjugated hetarenium-carboxylates which decarboxylate on warming. This study deals with the decarboxylation of carboxylates of mesoionic compounds to generate anionic N ...

Anionic N-Heterocyclic Dicarbene−Borane Binuclear Complexes - Organometallics (ACS Publication

The first anionic N-heterocyclic dicarbene−borane binuclear complexes, Li+·[H3B:C{[N(2,6-Pri2C6H3)]2CHC:BH3}]− (V) and Li+(THF)3·[H3B:C{[N(2,6-Pri2C6H3)]2CHC:BEt3}]− (VI), were synthesized by combining BH3·THF with [:C{[N(2,6-Pri2C6H3)]2CHCLi}]n X ...

An abnormal N-heterocyclic carbene-carbon dioxide adduct from imidazolium acetate ionic liquids: The importance of basicity — Hungarian Consorti

TY - JOUR T1 - An abnormal N-heterocyclic carbene-carbon dioxide adduct from imidazolium acetate ionic liquids T2 - The importance of basicity AU - Kelemen, Zsolt AU - Péter-Szabõ, Barbara AU - Székely, Edit AU - Hollõczki, Oldamur AU - Firaha, Dzmitry ...

Acylseleno- and acylthioureato complexes of gold(i) N-heterocyclic carben

of gold(I) N-heterocyclic carbenes † Julia Kuchar, aJo¨rg Rust, bChristian W. Lehmann and Fabian Mohr * A series of gold(I) N-heterocyclic carbene complexes containing monoanionic acylchalcogenourea (chalcogen = S, Se) ligands was prepared and ...