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Kariuki BM, Platts JA, Newman PD. A hybrid bipy–NHC ligand for the construction of group 11 mixed-metal bimetallic complexes. RSC Adv 2021; 11:34170-34173. [PMID: 35497314 PMCID: PMC9042343 DOI: 10.1039/d1ra06581e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Accepted: 10/05/2021] [Indexed: 11/25/2022] Open
Abstract
An asymmetric bipy/NHC ligand L has been used to construct Au/Au, Au/Ag and Au/Cu bimetallic complexes through prior coordination of the NHC to Au(i) and subsequent introduction of the second group 11 metal ion at the bipy donor of the hybrid ligand. The complex [Au(κC-L)2]BF4,1, has been used as the precursor for the formation of [AuAg(κ-CAu,κ2-N,N′Ag-1)2](BF4)2, 2a, [AuCu(κ-CAu,κ2-N,N′Cu-1)2](BF4)2, 2b and [AuAu′(κ-CAu/Au′,κ1-NAu/Au′-1)2](BF4)2, 3. A ditopic bipy–NHC ligand has been used to construct hetero-bimetallic complexes of the monovalent group 11 metals.![]()
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Affiliation(s)
- Benson M. Kariuki
- School of Chemistry, Cardiff University, Park Place, Cardiff, CF10 3AT, Wales, UK
| | - James A. Platts
- School of Chemistry, Cardiff University, Park Place, Cardiff, CF10 3AT, Wales, UK
| | - Paul D. Newman
- Cardiff Catalysis Institute, School of Chemistry, Cardiff University, Park Place, Cardiff, CF10 3AT, Wales, UK
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2
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Matavos-Aramyan S, Soukhakian S, Jazebizadeh MH. Mononuclear Cu Complexes Based on Nitrogen Heterocyclic Carbene: A Comprehensive Review. Top Curr Chem (Cham) 2020; 378:39. [PMID: 32367181 DOI: 10.1007/s41061-020-00304-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Accepted: 04/16/2020] [Indexed: 11/28/2022]
Abstract
During the last decade, organometallic, coordination, and catalytic chemistry of the three-dimensional metals such as copper (Cu) has been greatly affected by the emergence of nitrogen heterocyclic carbene (NHC) complexes. The NHCs, and in particular the mononuclear CuI-based ones, have been proven vastly useful in several applications such as in biosynthesis, catalysis, photochemistry, etc. This review tries to thoroughly describe a series of mononuclear CuI NHC complexes and their subcategories such as heteroleptics, and bidentate and tridentate heteroatom complexes, and give some detailed insights on their development, emergence, and applications. A brief outlook is also disclosed to enable other researchers to further develop a platform for future advances and studies in the field of CuI-based NHCs.
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Affiliation(s)
- Sina Matavos-Aramyan
- Research and Development Department, Division of Chemistry, Raazi Environmental Protection Foundation, Shiraz, Iran.
| | - Sadaf Soukhakian
- Research and Development Department, Division of Chemistry, Raazi Environmental Protection Foundation, Shiraz, Iran
| | - Mohammad Hossein Jazebizadeh
- Research and Development Department, Division of Chemistry, Raazi Environmental Protection Foundation, Shiraz, Iran
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3
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Danopoulos AA, Simler T, Braunstein P. N-Heterocyclic Carbene Complexes of Copper, Nickel, and Cobalt. Chem Rev 2019; 119:3730-3961. [PMID: 30843688 DOI: 10.1021/acs.chemrev.8b00505] [Citation(s) in RCA: 263] [Impact Index Per Article: 52.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
The emergence of N-heterocyclic carbenes as ligands across the Periodic Table had an impact on various aspects of the coordination, organometallic, and catalytic chemistry of the 3d metals, including Cu, Ni, and Co, both from the fundamental viewpoint but also in applications, including catalysis, photophysics, bioorganometallic chemistry, materials, etc. In this review, the emergence, development, and state of the art in these three areas are described in detail.
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Affiliation(s)
- Andreas A Danopoulos
- Laboratory of Inorganic Chemistry , National and Kapodistrian University of Athens , Panepistimiopolis Zografou , Athens GR 15771 , Greece.,Université de Strasbourg, CNRS, Institut de Chimie UMR 7177 , Laboratoire de Chimie de Coordination , Strasbourg 67081 Cedex , France
| | - Thomas Simler
- Université de Strasbourg, CNRS, Institut de Chimie UMR 7177 , Laboratoire de Chimie de Coordination , Strasbourg 67081 Cedex , France
| | - Pierre Braunstein
- Université de Strasbourg, CNRS, Institut de Chimie UMR 7177 , Laboratoire de Chimie de Coordination , Strasbourg 67081 Cedex , France
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Sampford KR, Carden JL, Kidner EB, Berry A, Cavell KJ, Murphy DM, Kariuki BM, Newman PD. Twisting the arm: structural constraints in bicyclic expanded-ring N-heterocyclic carbenes. Dalton Trans 2019; 48:1850-1858. [PMID: 30652174 DOI: 10.1039/c8dt04462g] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
A series of diaryl, mono-aryl/alkyl and dialkyl mono- and bicyclic expanded-ring N-heterocyclic carbenes (ER-NHCs) have been prepared and their complexation to Au(i) investigated through the structural analysis of fifteen Au(NHC)X and/or [Au(NHC)2]X complexes. The substituted diaryl 7-NHCs are the most sterically encumbered with large buried volume (%VB) values of 40-50% with the less flexible six-membered analogues having %VB values at least 5% smaller. Although the bicyclic systems containing fused 6- and 7-membered rings (6,7-NHCs) are constrained with relatively acute NCN bond angles, they have the largest %VB values of the dialkyl derivatives reported here, a feature related to the fixed conformation of the heterocyclic rings and the compressional effect of a pre-set methyl substituent.
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Affiliation(s)
| | - Jamie L Carden
- School of Chemistry, Cardiff University, Cardiff, CF10 3AT, UK
| | - Edward B Kidner
- School of Chemistry, Cardiff University, Cardiff, CF10 3AT, UK
| | - Abigail Berry
- School of Chemistry, Cardiff University, Cardiff, CF10 3AT, UK
| | | | - Damien M Murphy
- School of Chemistry, Cardiff University, Cardiff, CF10 3AT, UK
| | | | - Paul D Newman
- School of Chemistry, Cardiff University, Cardiff, CF10 3AT, UK and Cardiff Catalysis Institute, School of Chemistry, Cardiff University, Cardiff, CF10 3AT, UK.
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5
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Kariuki BM, Newman PD. Asymmetric Cationic Phosphines: Synthesis, Coordination Chemistry, and Reactivity. Inorg Chem 2018; 57:9554-9563. [DOI: 10.1021/acs.inorgchem.8b01657] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
| | - Paul D. Newman
- Cardiff Catalysis Institute, School of Chemistry, Cardiff University, Cardiff, U.K. CF10 3AT
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6
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Review for chiral-at-metal complexes and metal-organic framework enantiomorphs. Sci Bull (Beijing) 2017; 62:1344-1354. [PMID: 36659297 DOI: 10.1016/j.scib.2017.09.013] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2017] [Revised: 08/13/2017] [Accepted: 09/08/2017] [Indexed: 01/21/2023]
Abstract
This review discusses chiral-at-metal complexes and introduces enantiomorphs from assembly structure. Owing to the diverse coordination number and activity of metal ions as chiral centers, abundant structures for chiral selectivity, catalysis, and polarized light-response are the notable advantages of the chiral-at-metal complexes. The rational design and preparation of linear multi-dentate ligands is a good choice to improve the stability of chiral complexes, such as multi-bonding structure for high stability as a self-limiting system. The bio-significance and potential application of chiral-at-metal complexes are discussed, such as the synergistic effect of catalysis and chiral selectivity of the metal center in enzymes. Enzyme could be remolded to replace the original central metal ions with highly active rare earth or precious metal ions to form artificial metalloenzyme or to remove the "redundant" part around the metal center to improve the accessibility of substrate. The polarized light-response mechanism of chiral opsin is introduced in relation to its role in animal migration. Metal-organic frameworks (MOFs) are crystalline and porous materials built from metal nodes or clusters and organic linkers and provide the possibility to prepare artificial enantiomorphs. The preparations, applications, and characterization methods of MOF enatiomorphs are therefore introduced. We hope this review inspires researchers at all levels of their career to consider the title topic in their own research in terms of its application and potential value.
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Wilkins LC, Melen RL, Platts JA, Newman PD. Amidine functionalized phosphines: tuneable ligands for transition metals. Dalton Trans 2017; 46:14234-14243. [DOI: 10.1039/c7dt03343e] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
A diastereomeric, cationic phosphine ligand [α,β-CgPAmMe]+ composed of a chiral amidinium substituent and a racemic phosphacycle has been prepared and compared to its neutral parent α,β-CgPAm.
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Affiliation(s)
| | | | | | - Paul D. Newman
- Cardiff Catalysis Institute
- School of Chemistry
- Cardiff University
- CF10 3AT
- UK
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8
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Bouché M, Mordan M, Kariuki BM, Coles SJ, Christensen J, Newman PD. Mono- and dimeric complexes of an asymmetric heterotopic P,CNHC,pyr ligand. Dalton Trans 2016; 45:13347-60. [PMID: 27461718 DOI: 10.1039/c6dt02476a] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An asymmetric heterotopic ligand (S-N(Me)CP) containing a central bicyclic, expanded-ring NHC with one pyridyl and one phosphine exo-substituent has been synthesised and its coordination chemistry with selected late transition metals investigated. The amidinium precursor [S-N(Me)CHP]PF6 shows variable coordination modes with Ag(i), Cu(i) and Au(i) depending on the L : M ratio. The reaction of two mols of [S-N(Me)CHP]PF6 with [Cu(MeCN)4]BF4, AgBF4 or Au(THT)Cl gives the bis-ligand complexes [Cu(κ-P-N(Me)CHP)2(CH3CN)2]BF4·(PF6)2, 1, and [M(κ-P-N(Me)CHP)2]X·(PF6)2 (3: M = Ag, X = BF4; 6: M = Au, X = Cl) respectively. The 1 : 1 reaction of [S-N(Me)CHP]PF6 with AgOTf gave the head-to-tail dimer H,T-[Ag2(μ-N,P-N(Me)CHP)2(μ-OTf)2](PF6)2, 2, whereas the analogous reaction with Au(THT)Cl gave monomeric [Au(κ-P-N(Me)CHP)Cl]PF6, 5. Complex 2 was converted to H,T-[Ag2(μ-C,P-N(Me)CP)2](PF6)2, 4, upon addition of base, while 6 gave [Au(κ-C-N(Me)CP)2]Cl, 8, when treated likewise. Reaction of [S-N(Me)CHP]PF6 with Ni(1,5-COD)2 gave the oxidative addition/insertion product [Ni(κ(3)-N,C,P-N(Me)CP)(η(3)-C8H13)]PF6, 9, which converted to [Ni(κ(3)-N,C,P-N(Me)CP)Cl]PF6, 10, upon exposure of a CHCl3 solution to air. Complex 10 showed conformational isomerism that was also present in [Rh(κ(3)-N,C,P-N(Me)CP)(CO)]PF6, 14, prepared from the precursor complex [Rh(κ-P-N(Me)CHP)(acac)(CO)]PF6, 13, upon heating in C6H5Cl. [Pt(κ(3)-N,C,P-N(Me)CP)(Cl)]PF6, 12, derived from trans-[Pt(κ-P-N(Me)CHP)2(Cl)2](PF6)2, 11, was isolated as a single conformer.
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Affiliation(s)
- Mathilde Bouché
- School of Chemistry, Cardiff University, Cardiff, CF10 3AT, UK.
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9
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Gümüşada R, Günay ME, Özdemir N, Çetinkaya B. Bicyclic N-heterocyclic carbene (NHC) ligand precursors and their palladium complexes. J COORD CHEM 2016. [DOI: 10.1080/00958972.2016.1185780] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Affiliation(s)
- Rukiye Gümüşada
- Faculty of Arts and Sciences, Department of Chemistry, Adnan Menderes University, Aydın, Turkey
| | - M. Emin Günay
- Faculty of Arts and Science, Department of Chemistry, Adnan Menderes University, Aydın, Turkey
| | - Namık Özdemir
- Faculty of Education, Department of Secondary School Science and Mathematics Education, Ondokuz Mayıs University, Samsun, Turkey
| | - Bekir Çetinkaya
- Faculty of Science, Department of Chemistry, Ege University, Izmir, Turkey
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10
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Cox K, Kariuki BM, Smyth A, Newman PD. N2S2 and N4S4 precursors to PS2 macrocycles and cyclic amidinium salts. Dalton Trans 2016; 45:8485-93. [PMID: 27112102 DOI: 10.1039/c6dt00806b] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The cyclo-condensation of 1R,2R-diaminocyclohexane with 2,2'-(ethane-1,2-diyldisulfanediyl)dibenzaldehyde gave the 1 : 1 addition compound chxn-(im)N2S2 in high yield. When the same condensation reaction was performed with 1R,3S-diamino-1,7,7-trimethylcyclopentane as the diamine, the 2 : 2 addition compound tmcp-(im)N4S4 was obtained selectively. Reduction of the diimines gave the saturated analogues chxn-N2S2 (1) and tmcp-N4S4 (3) the former of which could be phosphorylated with PhP(NMe2)2 to give the novel 13-membered macrocycle chxn-PS2, 2. Introduction of the phenylphosphine function proved stereoselective with a preference for the N(R)/N(S) configuration at the nitrogen atoms. The coordination chemistry of the novel phosphine has been explored with Cu(i) and Mo(0) through formation of the complexes Cu(2)I, 4, and Mo(CO)3(2), 5. Extension of the phosphorylation chemistry to tmcp-N4S4 (3) proved unsuccessful but ring closure reactions of both 1 and 3 with triethylorthoformate gave cyclic amidinium salts which are potential precursors to macrocyclic N-heterocyclic carbenes.
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Affiliation(s)
- Katrina Cox
- School of Chemistry, Cardiff University, Cardiff, CF10 3AT, UK.
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Ananikov VP, Khemchyan LL, Ivanova YV, Bukhtiyarov VI, Sorokin AM, Prosvirin IP, Vatsadze SZ, Medved'ko AV, Nuriev VN, Dilman AD, Levin VV, Koptyug IV, Kovtunov KV, Zhivonitko VV, Likholobov VA, Romanenko AV, Simonov PA, Nenajdenko VG, Shmatova OI, Muzalevskiy VM, Nechaev MS, Asachenko AF, Morozov OS, Dzhevakov PB, Osipov SN, Vorobyeva DV, Topchiy MA, Zotova MA, Ponomarenko SA, Borshchev OV, Luponosov YN, Rempel AA, Valeeva AA, Stakheev AY, Turova OV, Mashkovsky IS, Sysolyatin SV, Malykhin VV, Bukhtiyarova GA, Terent'ev AO, Krylov IB. Development of new methods in modern selective organic synthesis: preparation of functionalized molecules with atomic precision. RUSSIAN CHEMICAL REVIEWS 2014. [DOI: 10.1070/rc2014v83n10abeh004471] [Citation(s) in RCA: 159] [Impact Index Per Article: 15.9] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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12
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Yu JL, Guo R, Wang H, Li ZT, Zhang DW. Synthesis and characterization of Ru(II) and Ir(III) complexes that bear camphoric 1,3-diamine ligands. J Organomet Chem 2014. [DOI: 10.1016/j.jorganchem.2014.06.017] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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13
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Jena HS. Effect of steric congestion and non-covalent interaction on the self-organization of two isostructural 1D chiral coordination polymers. Inorganica Chim Acta 2014. [DOI: 10.1016/j.ica.2014.05.018] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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14
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Kariuki BM, Platts JA, Newman PD. It's all about Me: methyl-induced control of coordination stereochemistry by a flexible tridentate N,C,N' ligand. Dalton Trans 2014; 43:2971-8. [PMID: 24346145 DOI: 10.1039/c3dt52841c] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A chiral, tridentate, pyridyl-functionalised NHC pro-ligand, S-L(Me)-H[PF₆], has been prepared diastereoselectively via a five step synthesis starting from 1R,3S-diamino-1,2,2-trimethylcyclopentane. The S prefix refers to the stereochemistry of a methyl substituted stereogenic carbon in one of the pyridyl arms which is generated by a stereoselective BH4(-) reduction of an imine precursor. The ligand has been coordinated to Rh(I) and Ir(I) to give trigonal bipyramidal complexes of the type [M(κ(3)-N,C,N'-S-L(Me))(1,5-COD)]PF6 (M = Rh, Ir) as single diastereomers. A combination of spectroscopic and X-ray techniques confirm the stereoselective formation of the thermodynamically preferred endo,endo isomer. Similar reactions with R,S-L(Me)-H[PF₆] gave a mixture of endo,endo-[M(κ(3)-N,C,N'-S-L(Me))(1,5-COD)](+) and exo,exo-[M(κ(3)-N,C,N'-R-L(Me))(1,5-COD)](+). The absolute configuration at the metal is, therefore, solely dictated by the stereochemistry of the single methylpyridyl carbon. The observation of stereoselection extends to the square planar Ni(II) complex [Ni(δ-κ(3)-N,C,N'-S-L(Me))Cl](+) which is isolated as one (δ) of the two possible conformational isomers. DFT studies have been employed to explain the observed stereoselectivity with the configurations observed in the solid state being confirmed as those of lowest energy.
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15
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Dunsford JJ, Tromp DS, Cavell KJ, Elsevier CJ, Kariuki BM. N-alkyl functionalised expanded ring N-heterocyclic carbene complexes of rhodium(I) and iridium(I): structural investigations and preliminary catalytic evaluation. Dalton Trans 2014; 42:7318-29. [PMID: 23292451 DOI: 10.1039/c2dt32823b] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A series of new N-alkyl functionalised 6- and 7-membered expanded ring N-heterocyclic carbene (NHC) pro-ligands 3-6 and their corresponding complexes of rhodium(I) and iridium(I), [M(NHC)(COD)Cl] 7-14 and [M(NHC)(CO)2Cl] 15-22 are described. The complexes have been characterised by (1)H and (13)C{(1)H} NMR, mass spectrometry, IR and X-ray diffraction. It is noted from X-ray diffraction studies that the N-alkyl substituents are found to orientate themselves away from the metal centre due to unfavourable steric interactions resulting in low percent buried volume (%V(bur)) values in the solid state. The heterocycle ring size is also found to dictate the spatial orientation of the N-alkyl substituents in the neopentyl functionalised derivatives 10 and 14. The 7-membered derivative 14 allows for a conformational 'twist' of the heterocycle ring with the N-alkyl substituents adopting a mutually trans configuration with respect to each other, while the more rigid 6-membered system 10 does not allow for this conformational 'twist' and consequently the N-alkyl substituents adopt a mutually cis configuration. The σ-donor function of this new class of expanded ring NHC ligand has also been probed by measured IR stretching frequencies of the [M(NHC)(CO)2Cl] complexes 15-22. A preliminary catalytic survey of the hydrogenation of functionalised alkenes with molecular hydrogen under mild conditions has also been undertaken with complex , affording an insight into the application of large ring NHC ancillary ligands bearing N-alkyl substituents in hydrogenation transformations.
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Affiliation(s)
- Jay J Dunsford
- School of Chemistry, Main Building, Cardiff University, Cardiff, CF10 3AT Wales, UK
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16
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Jena HS. Diastereoselective self-assembly of heterochiral Zn(ii) complexes of racemic Schiff bases in a chiral self-discriminating process: effect of non-covalent interactions on solid state structural self-assembly. RSC Adv 2014. [DOI: 10.1039/c3ra45082a] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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17
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Hauwert P, Dunsford JJ, Tromp DS, Weigand JJ, Lutz M, Cavell KJ, Elsevier CJ. Zerovalent [Pd(NHC)(Alkene)1,2] Complexes Bearing Expanded-Ring N-Heterocyclic Carbene Ligands in Transfer Hydrogenation of Alkynes. Organometallics 2012. [DOI: 10.1021/om300930w] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/27/2022]
Affiliation(s)
- Peter Hauwert
- Molecular Inorganic Chemistry, Van’t Hoff Institute
for Molecular Sciences, University of Amsterdam, Science Park 904, Postbus 94157, 1090 GD Amsterdam, The Netherlands
| | - Jay J. Dunsford
- School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, United Kingdom
| | - Dorette S. Tromp
- Molecular Inorganic Chemistry, Van’t Hoff Institute
for Molecular Sciences, University of Amsterdam, Science Park 904, Postbus 94157, 1090 GD Amsterdam, The Netherlands
| | - Jan J. Weigand
- Institut für Anorganische und Analytische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstrasse 30, 48149 Münster, Germany
| | - Martin Lutz
- Crystal
and Structural Chemistry, Bijvoet Center for Biomolecular
Research, Faculty of Science, Utrecht University, Padualaan 8, 3584 CH Utrecht, The Netherlands
| | - Kingsley J. Cavell
- School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, United Kingdom
| | - Cornelis J. Elsevier
- Molecular Inorganic Chemistry, Van’t Hoff Institute
for Molecular Sciences, University of Amsterdam, Science Park 904, Postbus 94157, 1090 GD Amsterdam, The Netherlands
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Newman PD, Cavell KJ, Kariuki BM. Variable coordination of a chiral diphosphine containing an amidinium/NHC group within its backbone: μ-P,P′, κ2-P,P′ and κ3-P,C,P′ coordination modes. Dalton Trans 2012; 41:12395-407. [DOI: 10.1039/c2dt31475d] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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