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Akhtar R, Gaurav K, Khan S. Applications of low-valent compounds with heavy group-14 elements. Chem Soc Rev 2024; 53:6150-6243. [PMID: 38757535 DOI: 10.1039/d4cs00101j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/18/2024]
Abstract
Over the last two decades, the low-valent compounds of group-14 elements have received significant attention in several fields of chemistry owing to their unique electronic properties. The low-valent group-14 species include tetrylenes, tetryliumylidene, tetrylones, dimetallenes and dimetallynes. These low-valent group-14 species have shown applications in various areas such as organic transformations (hydroboration, cyanosilylation, N-functionalisation of amines, and hydroamination), small molecule activation (e.g. P4, As4, CO2, CO, H2, alkene, and alkyne) and materials. This review presents an in-depth discussion on low-valent group-14 species-catalyzed reactions, including polymerization of rac-lactide, L-lactide, DL-lactide, and caprolactone, followed by their photophysical properties (phosphorescence and fluorescence), thin film deposition (atomic layer deposition and vapor phase deposition), and medicinal applications. This review concisely summarizes current developments of low-valent heavier group-14 compounds, covering synthetic methodologies, structural aspects, and their applications in various fields of chemistry. Finally, their opportunities and challenges are examined and emphasized.
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Affiliation(s)
- Ruksana Akhtar
- Department of Chemistry, Indian Institute of Science Education and Research Pune, Dr Homi Bhabha Road, Pashan, Pune-411008, India.
| | - Kumar Gaurav
- Department of Chemistry, Indian Institute of Science Education and Research Pune, Dr Homi Bhabha Road, Pashan, Pune-411008, India.
| | - Shabana Khan
- Department of Chemistry, Indian Institute of Science Education and Research Pune, Dr Homi Bhabha Road, Pashan, Pune-411008, India.
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2
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Cabeza JA, García-Álvarez P. Polydentate Amidinato-Silylenes, -Germylenes and -Stannylenes. Chemistry 2024; 30:e202400786. [PMID: 38606572 DOI: 10.1002/chem.202400786] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2024] [Revised: 04/11/2024] [Accepted: 04/12/2024] [Indexed: 04/13/2024]
Abstract
This review article focuses on amidinatotetrylenes that potentially can (or have already shown to) behave as bi- or tridentate ligands because they contain at least one amidinatotetrylene moiety (silylene, germylene or stannylene) and one (or more) additional coordinable fragment(s). Currently, they are being widely used as ligands in coordination chemistry, small molecule activation and catalysis. This review classifies those that have been isolated as transition metal-free compounds into five families that differ in the position(s) of the donor group(s) (D) on the amidinatotetrylene moiety, namely: ED{R1NC(R2)NR1}, EX{DNC(R2)NR1}, EX{R1NC(D)NR1}, EX{DNC(R2)ND} and E{R1NC(R2)ND}2 (E=Si, Ge or Sn). Those that do not exist as transition metal-free compounds but have been observed as ligands in transition metal complexes are cyclometallated and ring-opened amidinatotetrylene ligands. This article presents schematic descriptions of their structures, the approaches used for their syntheses and a quick overview of their involvement (as ligands) in transition metal-catalysed reactions. The literature is covered up to the end of 2023.
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Affiliation(s)
- Javier A Cabeza
- Centro de Innovación en Química Avanzada (ORFEO-CINQA), Departamento de Química Orgánica e Inorgánica, Universidad de Oviedo, 33071, Oviedo, Spain
| | - Pablo García-Álvarez
- Centro de Innovación en Química Avanzada (ORFEO-CINQA), Departamento de Química Orgánica e Inorgánica, Universidad de Oviedo, 33071, Oviedo, Spain
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3
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Hendi Z, Pandey MK, Rachuy K, Singh MK, Herbst-Irmer R, Stalke D, Roesky HW. Synthesis, Reactivity, and Complexation with Fe(0) of a Tight-bite Bis(N-heterocyclic silylene). Chemistry 2024; 30:e202400389. [PMID: 38494463 DOI: 10.1002/chem.202400389] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2024] [Revised: 03/14/2024] [Accepted: 03/15/2024] [Indexed: 03/19/2024]
Abstract
The synthesis, reactivity, and complexation with Fe(0) precursor of a tight-bite bis(N-heterocyclic silylene) (bis(NHSi)) ligand 1 are reported. The reaction of 1 with p-toluidine led to the activation of both N-H bonds across Si(II) atoms to afford a four-membered heterocyclic cyclodisilazane 2, with hydride substituents attached to five-coordinate Si atoms. A 1 : 2 reaction of 1 with Fe(CO)5 led to an intriguing dinuclear complex 3 featuring a five-membered (N-Si-Fe-Fe-Si) ring with a Fe-Fe bond distance of 2.6892(13) Å. All compounds (1-3) were thoroughly characterized by various spectroscopic methods and X-ray diffraction studies conclusively established their molecular structures. DFT calculations were carried out to shed light on bonding and energetic aspects in 1-3.
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Affiliation(s)
- Zohreh Hendi
- Institut für Anorganische Chemie, Georg-August-Universität Göttingen, Göttingen, 37077, Germany
| | - Madhusudan K Pandey
- Institut für Anorganische Chemie, Georg-August-Universität Göttingen, Göttingen, 37077, Germany
| | - Katharina Rachuy
- Institut für Anorganische Chemie, Georg-August-Universität Göttingen, Göttingen, 37077, Germany
| | - Mukesh K Singh
- School of Chemistry, University of Edinburgh, Edinburgh, EH9 3FJ, United Kingdom
| | - Regine Herbst-Irmer
- Institut für Anorganische Chemie, Georg-August-Universität Göttingen, Göttingen, 37077, Germany
| | - Dietmar Stalke
- Institut für Anorganische Chemie, Georg-August-Universität Göttingen, Göttingen, 37077, Germany
| | - Herbert W Roesky
- Institut für Anorganische Chemie, Georg-August-Universität Göttingen, Göttingen, 37077, Germany
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4
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Gao J, Ge Y, He C. X-type silyl ligands for transition-metal catalysis. Chem Soc Rev 2024; 53:4648-4673. [PMID: 38525837 DOI: 10.1039/d3cs00893b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/26/2024]
Abstract
Given the critical importance of novel ligand development for transition-metal (TM) catalysis, as well as the resurgence of the field of organosilicon chemistry and silyl ligands, to summarize the topic of X-type silyl ligands for TM catalysis is highly attractive and timely. This review particularly emphasizes the unique σ-donating characteristics and trans-effects of silyl ligands, highlighting their crucial roles in enhancing the reactivity and selectivity of various catalytic reactions, including small molecule activation, Kumada cross-coupling, hydrofunctionalization, C-H functionalization, and dehydrogenative Si-O coupling reactions. Additionally, future developments in this field are also provided, which would inspire new insights and applications in catalytic synthetic chemistry.
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Affiliation(s)
- Jihui Gao
- School of Chemistry and Chemical Engineering, Heilongjiang Provincial, Harbin Institute of Technology, Harbin, Heilongjiang 150080, China
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China.
| | - Yicong Ge
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China.
| | - Chuan He
- Shenzhen Grubbs Institute and Department of Chemistry, Guangdong Provincial Key Laboratory of Catalysis, Southern University of Science and Technology, Shenzhen, Guangdong 518055, China.
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Tran PM, Wang Y, Lahm ME, Wei P, Schaefer HF, Robinson GH. Unusual nucleophilic reactivity of a dithiolene-based N-heterocyclic silane. Dalton Trans 2024; 53:6178-6183. [PMID: 38506299 DOI: 10.1039/d3dt03843b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/21/2024]
Abstract
While the dithiolene-based N-heterocyclic silane (4) reacts with two equivalents of BX3 (X = Br, I) to give zwitterionic Lewis adducts 5 and 8, respectively, the parallel reaction of 4 with BCl3 results in 10, a dithiolene-substituted N-heterocyclic silane, via the Si-S bond cleavage. Unlike 5, the labile 8 may be readily converted to 9via BI3-mediated cleavage of the Si-N bond. The formation of 5 and 8 confirms that 4 uniquely possesses dual nucleophilic sites: (a) the terminal sulphur atom of the dithiolene moiety; and (b) the backbone carbon of the N-heterocyclic silane unit.
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Affiliation(s)
- Phuong M Tran
- Department of Chemistry, The University of Georgia, Athens, Georgia 30602-2556, USA.
| | - Yuzhong Wang
- Department of Chemistry, The University of Georgia, Athens, Georgia 30602-2556, USA.
| | - Mitchell E Lahm
- Department of Chemistry, The University of Georgia, Athens, Georgia 30602-2556, USA.
| | - Pingrong Wei
- Department of Chemistry, The University of Georgia, Athens, Georgia 30602-2556, USA.
| | - Henry F Schaefer
- Department of Chemistry, The University of Georgia, Athens, Georgia 30602-2556, USA.
| | - Gregory H Robinson
- Department of Chemistry, The University of Georgia, Athens, Georgia 30602-2556, USA.
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Alonso C, Cabeza JA, García-Álvarez P, García-Soriano R, Pérez-Carreño E. Amidinatotetrylenes Donor Functionalized on Both N Atoms: Structures and Coordination Chemistry. Inorg Chem 2024; 63:3118-3128. [PMID: 38289155 PMCID: PMC10865366 DOI: 10.1021/acs.inorgchem.3c04135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2023] [Revised: 12/22/2023] [Accepted: 01/08/2024] [Indexed: 02/13/2024]
Abstract
E(hmds)(bqfam) (E = Ge (1a), Sn (1b); hmds = N(SiMe3)2, bqfam = N,N'-bis(quinol-8-yl)formamidinate), which are amidinatotetrylenes equipped with quinol-8-yl fragments on the amidinate N atoms, have been synthesized from the formamidine Hbqfam and Ge(hmds)2 or SnCl(hmds). Both 1a and 1b are fluxional in solution at room temperature, as the E atom oscillates from being attached to the two amidinate N atoms to being chelated by an amidinate N atom and its closest quinolyl N atom (both situations are similarly stable according to density functional theory calculations). The hmds group of 1a and 1b is still reactive and the deprotonation of another equivalent of Hbqfam can be achieved, allowing the formation of the homoleptic derivatives E(bqfam)2 (E = Ge, Sn). The reactions of 1a and 1b with [AuCl(tht)] (tht = tetrahydrothiophene), [PdCl2(MeCN)2], [PtCl2(cod)] (cod = cycloocta-1,5-diene), [Ru3(CO)12] and [Co2(CO)8] have been investigated. The gold(I) complexes [AuCl{κE-E(hmds)(bqfam)}] (E = Ge, Sn) have a monodentate κE-tetrylene ligand and display fluxional behavior in solution the same as that of 1a and 1b. However, the palladium(II) and platinum(II) complexes [MCl{κ3E,N,N'-ECl(hmds)(bqfam)}] (M = Pd, Pt; E = Ge, Sn) contain a κ3E,N,N'-chloridotetryl ligand that arises from the insertion of the tetrylene E atom into an M-Cl bond and the coordination of an amidinate N atom and its closest quinolyl N atom to the metal center. Finally, the binuclear ruthenium(0) and cobalt(0) complexes [Ru2{μE-κ3E,N,N'-E(hmds)(bqfam)}(CO)6] and [Co2{μE-κ3E,N,N'-E(hmds)(bqfam)}(μ-CO)(CO)4] (E = Ge, Sn) have a related κ3E,N,N'-tetrylene ligand that bridges two metal atoms through the E atom. For the κ3E,N,N'-metal complexes, the quinolyl fragment not attached to the metal is pendant in all the germanium compounds but, for the tin derivatives, is attached to (in the Pd and Pt complexes) or may interact with (in the Ru2 and Co2 complexes) the tin atom.
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Affiliation(s)
- Christian Alonso
- Departamento
de Química Orgánica e Inorgánica, Centro de Innovación
en Química Avanzada ORFEO−CINQA, Universidad de Oviedo, E-33071 Oviedo, Spain
| | - Javier A. Cabeza
- Departamento
de Química Orgánica e Inorgánica, Centro de Innovación
en Química Avanzada ORFEO−CINQA, Universidad de Oviedo, E-33071 Oviedo, Spain
| | - Pablo García-Álvarez
- Departamento
de Química Orgánica e Inorgánica, Centro de Innovación
en Química Avanzada ORFEO−CINQA, Universidad de Oviedo, E-33071 Oviedo, Spain
| | - Rubén García-Soriano
- Departamento
de Química Orgánica e Inorgánica, Centro de Innovación
en Química Avanzada ORFEO−CINQA, Universidad de Oviedo, E-33071 Oviedo, Spain
| | - Enrique Pérez-Carreño
- Departamento
de Química Física y Analítica, Universidad de Oviedo, E-33071 Oviedo, Spain
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Cabeza JA, Reynes JF, García F, García-Álvarez P, García-Soriano R. Fast and scalable solvent-free access to Lappert's heavier tetrylenes E{N(SiMe 3) 2} 2 (E = Ge, Sn, Pb) and ECl{N(SiMe 3) 2} (E = Ge, Sn). Chem Sci 2023; 14:12477-12483. [PMID: 38020393 PMCID: PMC10646885 DOI: 10.1039/d3sc02709k] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2023] [Revised: 11/03/2023] [Accepted: 09/24/2023] [Indexed: 12/01/2023] Open
Abstract
Iconic Lappert's heavier tetrylenes E{N(SiMe3)2}2 (E = Ge (1), Sn (2), Pb (3)) have been efficiently prepared from GeCl2·(1,4-dioxane), SnCl2 or PbCl2 and Li{N(SiMe3)2} via a completely solvent-free one-pot mechanochemical route followed by sublimation. This fast, high-yielding and scalable approach (2 has been prepared in a 100 mmol scale), which involves a small environmental footprint, represents a remarkable improvement over any synthetic route reported over the last five decades, being a so far rare example of the use of mechanochemistry in the realm of main group chemistry. This solventless route has been successfully extended to the preparation of other heavier tetrylenes, such as ECl{N(SiMe3)2} (E = Ge (4), Sn (5)).
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Affiliation(s)
- Javier A Cabeza
- Departamento de Química Orgánica e Inorgánica-IUQOEM, Centro de Innovación en Química Avanzada (ORFEO-CINQA) Universidad de Oviedo 33071 Oviedo Spain
| | - Javier F Reynes
- Departamento de Química Orgánica e Inorgánica-IUQOEM, Centro de Innovación en Química Avanzada (ORFEO-CINQA) Universidad de Oviedo 33071 Oviedo Spain
| | - Felipe García
- Departamento de Química Orgánica e Inorgánica-IUQOEM, Centro de Innovación en Química Avanzada (ORFEO-CINQA) Universidad de Oviedo 33071 Oviedo Spain
- School of Chemistry, Monash University Clayton Victoria 3800 Australia
| | - Pablo García-Álvarez
- Departamento de Química Orgánica e Inorgánica-IUQOEM, Centro de Innovación en Química Avanzada (ORFEO-CINQA) Universidad de Oviedo 33071 Oviedo Spain
| | - Rubén García-Soriano
- Departamento de Química Orgánica e Inorgánica-IUQOEM, Centro de Innovación en Química Avanzada (ORFEO-CINQA) Universidad de Oviedo 33071 Oviedo Spain
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8
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Zhang Y, Wu L, Wang H. Application of N-heterocyclic silylenes in low-valent group 13, 14 and 15 chemistry. Coord Chem Rev 2023. [DOI: 10.1016/j.ccr.2022.214942] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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9
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Arsenyeva KV, Piskunov AV. HETEROCYCLIC HEAVY ANALOGUES OF CARBENES: STRUCTURE AND CHEMICAL PROPERTIES. REVIEW. J STRUCT CHEM+ 2023. [DOI: 10.1134/s0022476623010018] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/06/2023]
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10
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Hossain J, Gopinath JS, Tothadi S, Parameswaran P, Khan S. NHSi/NHGe-Supported Copper Halide and Pseudohalide Complexes: Synthesis and Application. Organometallics 2022. [DOI: 10.1021/acs.organomet.2c00480] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/03/2022]
Affiliation(s)
- Jabed Hossain
- Department of Chemistry, Indian Institute of Science Education and Research Pune, Dr. Homi Bhabha Road, Pa-shan, Pune 411008, India
| | - Jishnu Sai Gopinath
- National Institute of Technology Calicut, NIT Campus P.O., Kozhikode 673601, Kerala, India
| | - Srinu Tothadi
- Analytical and Environmental Sciences Division and Centralized, Instrumentation Facility, CSIR-Central Salt and Marine Chemicals Research, Institute, Gijubhai Badheka Marg, Bhavnagar 364002, India
| | - Pattiyil Parameswaran
- National Institute of Technology Calicut, NIT Campus P.O., Kozhikode 673601, Kerala, India
| | - Shabana Khan
- Department of Chemistry, Indian Institute of Science Education and Research Pune, Dr. Homi Bhabha Road, Pa-shan, Pune 411008, India
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Yadav R, Sun X, Köppe R, Gamer MT, Weigend F, Roesky PW. Stimuli Responsive Silylene: Electromerism Induced Reversible Switching Between Mono- and Bis-Silylene. Angew Chem Int Ed Engl 2022; 61:e202211115. [PMID: 36161745 PMCID: PMC9828679 DOI: 10.1002/anie.202211115] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2022] [Indexed: 01/12/2023]
Abstract
Electromerism is a very well-known phenomenon in transition metal chemistry. In main group chemistry, this concept has only started getting attention recently. We report stimuli responsive low-valent silicon compounds exhibiting electromerism. A mixed-valent silaiminyl-silylene 1, [LSi-Si(NDipp)L] (L=PhC(Nt Bu)2 ), was synthesized in a single step from amidinate-chlorosilylene. Compound 1 has two interconnected Si atoms in formally +I and +III oxidation states. Upon treatment with Lewis acidic CuI X (X=mesityl, Cl, Br, I), electron redistribution occurs resulting in the formation of [{LSi(NDipp)Si(L)}-CuX], in which both silicon atoms are in the +II formal oxidation state. Removal of the copper center from [{LSi(NDipp)Si(L)}-CuX] by using a Lewis basic carbene led to reformation of the precursor [LSi-Si(NDipp)L]. Thus, the process is fully reversible. This showcases the first example of Lewis acid/base-induced reversible electromerism in silicon chemistry.
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Affiliation(s)
- Ravi Yadav
- Institute of Inorganic ChemistryKarlsruhe Institute of Technology (KIT)Engesserstraße 1576131KarlsruheGermany
| | - Xiaofei Sun
- Institute of Inorganic ChemistryKarlsruhe Institute of Technology (KIT)Engesserstraße 1576131KarlsruheGermany
| | - Ralf Köppe
- Institute of Inorganic ChemistryKarlsruhe Institute of Technology (KIT)Engesserstraße 1576131KarlsruheGermany
| | - Michael T. Gamer
- Institute of Inorganic ChemistryKarlsruhe Institute of Technology (KIT)Engesserstraße 1576131KarlsruheGermany
| | - Florian Weigend
- Fachbereich ChemiePhilipps-Universität MarburgHans-Meerwein-Strasse 435032MarburgGermany
| | - Peter W. Roesky
- Institute of Inorganic ChemistryKarlsruhe Institute of Technology (KIT)Engesserstraße 1576131KarlsruheGermany
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Komuro T, Nakajima Y, Takaya J, Hashimoto H. Recent progress in transition metal complexes supported by multidentate ligands featuring group 13 and 14 elements as coordinating atoms. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2022.214837] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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13
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Synthesis and reactivity of the complexes [(dpp-bian)SiCl2] and [(dpp-bian)Si{FeCp(CO)}2(μ-CO)] (dpp-bian is 1,2-bis[(2,6-diisopropylphenyl)imino]acenaphthene). Russ Chem Bull 2022. [DOI: 10.1007/s11172-022-3587-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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14
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Abe S, Inagawa Y, Kobayashi R, Ishida S, Iwamoto T. Silyl(silylene) Coinage Metal Complexes Obtained from Isolable Cyclic Alkylsilylenes. Organometallics 2022. [DOI: 10.1021/acs.organomet.2c00040] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Shunya Abe
- Department of Chemistry, Graduate School of Science, Tohoku University, Aoba-ku, Sendai 980-8578, Japan
| | - Yuichiro Inagawa
- Department of Chemistry, Graduate School of Science, Tohoku University, Aoba-ku, Sendai 980-8578, Japan
| | - Ryo Kobayashi
- Department of Chemistry, Graduate School of Science, Tohoku University, Aoba-ku, Sendai 980-8578, Japan
| | - Shintaro Ishida
- Department of Chemistry, Graduate School of Science, Tohoku University, Aoba-ku, Sendai 980-8578, Japan
| | - Takeaki Iwamoto
- Department of Chemistry, Graduate School of Science, Tohoku University, Aoba-ku, Sendai 980-8578, Japan
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15
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Ghosh M, Sen N, Khan S. Coinage Metal Complexes of Germylene and Stannylene. ACS OMEGA 2022; 7:6449-6454. [PMID: 35252640 PMCID: PMC8892653 DOI: 10.1021/acsomega.1c06771] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/30/2021] [Accepted: 02/02/2022] [Indexed: 06/14/2023]
Abstract
Group 11 metal (M = Cu, Ag, Au) complexes of heavier tetrylenes (namely, germylene and stannylene) have been studied for several years now. However, the field is mainly unexplored for their potential application either in homogeneous catalysis or in photophysical properties regardless of how the current reports allude to the rich and fascinating chemistry of group 14 elements. In this mini-review, we attempted to summarize the recent advances of heavier tetrylene-stabilized coinage metal complexes, which are majorly dominated by structure elucidation studies. This comprehensive summary intends to help researchers design and fine-tune the tetrylene ligand framework that can lead to coinage metal complexes for future applications as photoemitters in organic light-emitting diode fabrication and efficient catalysts in homogeneous catalysis.
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Golzadeh B, Kazeri-shandiz S, Akbari A. On the nature of M L bond and the puckering of some B-heterocyclic carbenes and silylenes in their relevant complexes with coinage metals: A theoretical quest. J Mol Struct 2022. [DOI: 10.1016/j.molstruc.2021.132192] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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17
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Abe T, Ishida S, Iwamoto T. A Thermally Robust Cyclic Dialkylsilylene. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2021. [DOI: 10.1246/bcsj.20210399] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Takashi Abe
- Department of Chemistry, Graduate School of Science, Tohoku University, Aoba-ku, Sendai, Miyagi 980-8578
| | - Shintaro Ishida
- Department of Chemistry, Graduate School of Science, Tohoku University, Aoba-ku, Sendai, Miyagi 980-8578
| | - Takeaki Iwamoto
- Department of Chemistry, Graduate School of Science, Tohoku University, Aoba-ku, Sendai, Miyagi 980-8578
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18
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Muniyappan N, Advaya GR, Sujitha E, Sabiah S. Picolyl and benzyl functionalized biphenyl NHC carbenes and their silver complexes: Sigma donating and antimicrobial properties. J Organomet Chem 2021. [DOI: 10.1016/j.jorganchem.2021.122075] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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19
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Ghosh M, Tothadi S, Khan S. Carbazole Substituted Amidinato Silylene: Synthesis, Bonding, and Coordination Behavior with Coinage Metals. Organometallics 2021. [DOI: 10.1021/acs.organomet.1c00399] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Affiliation(s)
- Moushakhi Ghosh
- Department of Chemistry, Indian Institute of Science Education and Research Pune, Dr. Homi Bhabha Road, Pa-shan, Pune 411008, India
| | - Srinu Tothadi
- Organic Chemistry Division, CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pashan, Pune 411008, India
| | - Shabana Khan
- Department of Chemistry, Indian Institute of Science Education and Research Pune, Dr. Homi Bhabha Road, Pa-shan, Pune 411008, India
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Planer S, Frosch J, Koneczny M, Trzybiński D, Woźniak K, Grela K, Tamm M. Heterobimetallic Coinage Metal-Ruthenium Complexes Supported by Anionic N-Heterocyclic Carbenes. Chemistry 2021; 27:15217-15225. [PMID: 34342923 PMCID: PMC8597159 DOI: 10.1002/chem.202102553] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2021] [Indexed: 01/10/2023]
Abstract
The lithium complexes [(WCA‐NHC)Li(toluene)] of anionic N‐heterocyclic carbenes with a weakly coordinating borate moiety (WCA‐NHC, WCA=B(C6F5)3, NHC=IDipp=1,3‐bis(2,6‐diisopropylphenyl)imidazolin‐2‐ylidene) were used for the preparation of silver(I) or copper(I) WCA‐NHC complexes. While the reactions in THF with AgCl or CuCl afforded anionic mono‐ and dicarbene complexes with solvated lithium counterions [Li(THF)n]+ (n=3, 4), the reactions in toluene proceeded with elimination of LiCl and formation of the neutral phosphine and arene complexes [(WCA‐NHC)M(PPh3)] and [(WCA‐NHC)M(η2‐toluene)] (M=Ag, Cu). The latter were used for the preparation of chlorido‐ and iodido‐bridged heterobimetallic Ag/Ru and Cu/Ru complexes [(WCA‐NHC)M(μ‐X)2Ru(PPh3)(η6‐p‐cymene)] (M=Ag, Cu, X=Cl; M=Ag, X=I). Surprisingly, these complexes resisted the elimination of CuCl, AgCl, or AgI, precluding WCA‐NHC transmetalation.
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Affiliation(s)
- Sebastian Planer
- Biological and Chemical Research Centre, Faculty of ChemistryUniversity of WarsawŻwirki i Wigury 10102-089WarsawPoland
| | - Jenni Frosch
- Institut für Anorganische und Analytische ChemieTechnische Universität BraunschweigHagenring 3038106BraunschweigGermany
| | - Marvin Koneczny
- Institut für Anorganische und Analytische ChemieTechnische Universität BraunschweigHagenring 3038106BraunschweigGermany
| | - Damian Trzybiński
- Biological and Chemical Research Centre, Faculty of ChemistryUniversity of WarsawŻwirki i Wigury 10102-089WarsawPoland
| | - Krzysztof Woźniak
- Biological and Chemical Research Centre, Faculty of ChemistryUniversity of WarsawŻwirki i Wigury 10102-089WarsawPoland
| | - Karol Grela
- Biological and Chemical Research Centre, Faculty of ChemistryUniversity of WarsawŻwirki i Wigury 10102-089WarsawPoland
| | - Matthias Tamm
- Institut für Anorganische und Analytische ChemieTechnische Universität BraunschweigHagenring 3038106BraunschweigGermany
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