1
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Rieser TE, Wetzel P, Maichle-Mössmer C, Sirsch P, Anwander R. A Terminal Yttrium Phosphinidene. J Am Chem Soc 2023; 145:17720-17733. [PMID: 37531590 DOI: 10.1021/jacs.3c04335] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/04/2023]
Abstract
Terminal, nondirectional ionic "multiple" bond interactions between group 15 elements and rare-earth metals (Ln) have remained a challenging target until present. Although reports on terminal imide species have accumulated in the meantime, examples of terminal congeners with the higher homologue phosphorus are yet elusive. Herein, we present the synthesis of the first terminal yttrium organophosphinidene complex, TptBu,MeY(═PC6H3iPr2-2,6)(DMAP)2, according to a double-deprotonation sequence previously established for organoimides of the smaller rare-earth metals. Subsequent deprotonation of the primary phosphane H2PC6H3iPr2-2,6 (H2PAriPr) with discrete dimethyl compound TptBu,MeYMe2 in the presence of DMAP under simultaneous methane elimination generated a terminal multiply bonded phosphorus. The primary phosphide intermediates TptBu,MeYMe(HPAriPr) and TptBu,MeYMe(HNPAriPr)(DMAP) are isolable species and were also obtained and fully characterized for holmium and dysprosium. The Lewis acid-stabilized yttrium phosphinidene TptBu,MeY[(μ2-PAriPr)(μ2-Me)AlMe2] was obtained by treatment of H2PAriPr with TptBu,MeYMe(AlMe4) but could not be converted into a terminal phosphinidene via cleavage of trimethylaluminum. The corresponding reaction of H2PAriPr with TptBu,MeYMe(GaMe4) led to adduct [GaMe3(PH2AriPr)] rather than to the formation of a yttrium phosphinidene. The yttrium-phosphorus interaction in the obtained organophosphide and phosphinidene complexes was scrutinized by 31P/89Y NMR spectroscopy and DFT calculations, unambiguously supporting the existence of multiple bonding.
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Affiliation(s)
- Theresa E Rieser
- Institut für Anorganische Chemie, Eberhard Karls Universität Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany
| | - Philipp Wetzel
- Institut für Anorganische Chemie, Eberhard Karls Universität Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany
| | - Cäcilia Maichle-Mössmer
- Institut für Anorganische Chemie, Eberhard Karls Universität Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany
| | - Peter Sirsch
- Institut für Anorganische Chemie, Eberhard Karls Universität Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany
| | - Reiner Anwander
- Institut für Anorganische Chemie, Eberhard Karls Universität Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany
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2
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Omrani R, Jebli N, Arfaoui Y, Chevalier Y, Akacha AB. Synthesis, X-ray structure, DFT investigation, and molecular docking of 1,3,5-tricyclohexyl-1,3,5-triazinane-2,4,6-trione, a cyclic polyamide with anti HIV-1 (RT), antiplatelet, and anticoagulant activities. Struct Chem 2023. [DOI: 10.1007/s11224-023-02161-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/31/2023]
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3
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Lorber C, Panda TK, Banerjee I, Sagar S. Catalytic addition reactions of amines, thiols, and diphenyl‐phosphine oxides to heterocumulenes using a bridging Sulfonylimido titanium(IV) complex. Z Anorg Allg Chem 2022. [DOI: 10.1002/zaac.202200188] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Christian Lorber
- CNRS Labo de Chimie de Coordination 205 route de Narbonne 31077 Toulouse FRANCE
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4
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Kumar R, Sharma V, Jain S, Sharma H, Vanka K, Sen SS. A Well‐Defined Calcium Compound Catalyzes Trimerization of Arylisocyanates into 1,3,5‐Triarylisocyanurates. ChemCatChem 2022. [DOI: 10.1002/cctc.202101788] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Rohit Kumar
- CSIR-National Chemical Laboratory: National Chemical Laboratory CSIR Inorganic Chemistry and Catalysis INDIA
| | - Vishal Sharma
- CSIR-National Chemical Laboratory: National Chemical Laboratory CSIR Inorganic chemistry and Catalysis INDIA
| | - Shailja Jain
- CSIR-National Chemical Laboratory: National Chemical Laboratory CSIR Physical and materials chemistry INDIA
| | - Himanshu Sharma
- CSIR-NCL: National Chemical Laboratory CSIR Physical and Materials Chemistry INDIA
| | - Kumar Vanka
- CSIR-National Chemical Laboratory: National Chemical Laboratory CSIR Physical and Material Chemistry INDIA
| | - Sakya S. Sen
- National Chemical Laboraotry Catalysis Division Dr. Homi Bhabha RoadPashan 411008 Pune INDIA
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5
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Schwamm RJ, Coles MP. Catalytic Hydrophosphination of Isocyanates by Molecular Antimony Phosphanides. Eur J Inorg Chem 2022. [DOI: 10.1002/ejic.202200064] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Ryan J. Schwamm
- Victoria University of Wellington Faculty of Science School of Chemical and Physical Sciences NEW ZEALAND
| | - Martyn P Coles
- Victoria University of Wellington School of Chemical and Physical Sciences PO Box 600 6140 Wellington NEW ZEALAND
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6
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Jiang W, Zhang L, Zhang L. Reactivity of Mixed Methyl-Aminobenzyl Guanidinate Lutetium Complex towards iPrN=C=N iPr, CS 2 and Ph 2PH. Dalton Trans 2022; 51:12650-12660. [DOI: 10.1039/d2dt02008d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A heteroleptic terminal alkyl lutetium complex stabilized by a bulky guanidinato ligand, LLu(CH2C6H4NMe2-o)(Me)(THF) (1) (L = (PhCH2)2NC(NC6H3iPr2-2,6)2) has been synthesized by treatment of LLu(CH2C6H4NMe2-o)2 with AlMe3 (1 equiv) via an...
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7
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Zhang Y, Cai Z, Chi Y, Zeng X, Chen S, Liu Y, Tang G, Zhao Y. Diphenyl Diselenide-Catalyzed Synthesis of Triaryl Phosphites and Triaryl Phosphates from White Phosphorus. Org Lett 2021; 23:5158-5163. [PMID: 34152156 DOI: 10.1021/acs.orglett.1c01695] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Industrially important triaryl phosphites, traditionally prepared from PCl3, have been synthesized by a diphenyl diselenide-catalyzed one-step procedure involving white phosphorus and phenols, which provides a halogen- and transition metal-free way to these compounds. Subsequent oxidation of triaryl phosphites produces triaryl phosphates and triaryl thiophosphates. Phosphorotrithioates are also prepared efficiently from aromatic thiols and aliphatic thiols.
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Affiliation(s)
- Yue Zhang
- Department of Chemistry, College of Chemistry and Chemical Engineering, and Key Laboratory for Chemical Biology of Fujian Province, Xiamen University, Xiamen, Fujian 361005, China
| | - Ziman Cai
- Department of Chemistry, College of Chemistry and Chemical Engineering, and Key Laboratory for Chemical Biology of Fujian Province, Xiamen University, Xiamen, Fujian 361005, China
| | - Yangyang Chi
- Department of Chemical Biology, College of Chemistry and Chemical Engineering, and Key Laboratory for Chemical Biology of Fujian Province, Xiamen University, Xiamen, Fujian 361005, China
| | - Xiangzhe Zeng
- Department of Chemistry, College of Chemistry and Chemical Engineering, and Key Laboratory for Chemical Biology of Fujian Province, Xiamen University, Xiamen, Fujian 361005, China
| | - Shuanghui Chen
- Department of Chemistry, College of Chemistry and Chemical Engineering, and Key Laboratory for Chemical Biology of Fujian Province, Xiamen University, Xiamen, Fujian 361005, China
| | - Yan Liu
- Department of Chemical Biology, College of Chemistry and Chemical Engineering, and Key Laboratory for Chemical Biology of Fujian Province, Xiamen University, Xiamen, Fujian 361005, China
| | - Guo Tang
- Department of Chemistry, College of Chemistry and Chemical Engineering, and Key Laboratory for Chemical Biology of Fujian Province, Xiamen University, Xiamen, Fujian 361005, China
| | - Yufen Zhao
- Department of Chemistry, College of Chemistry and Chemical Engineering, and Key Laboratory for Chemical Biology of Fujian Province, Xiamen University, Xiamen, Fujian 361005, China.,Department of Chemical Biology, College of Chemistry and Chemical Engineering, and Key Laboratory for Chemical Biology of Fujian Province, Xiamen University, Xiamen, Fujian 361005, China
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8
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Watt F, Dickmann N, Schoch R, Hohloch S. Isocyanate Insertion into a La-P Phosphide Bond: A Versatile Route to Phosphaureate-Bridged Heterobimetallic Lanthanide-Coinage-Metal Complexes. Inorg Chem 2020; 59:13621-13631. [PMID: 32885972 PMCID: PMC7509844 DOI: 10.1021/acs.inorgchem.0c01971] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Indexed: 01/01/2023]
Abstract
A new route to heterobimetallic lanthanide-coinage-metal complexes is disclosed. The selective insertion of organic substrates such as phenyl iso(thio)cyanate into the La-P bond of the primary phosphido complex (PN)2La(PHMes) (1) (with PN- = (N-(2-(diisopropylphosphanyl)-4-methylphenyl)-2,4,6-trimethylanilide) yields the phospha(thio)ureate complexes (PN)2La(OC(NPh)(PHMes)) (2) and (PN)2La(SC(NPh)(PHMes)) (3) with retention of the PH protons. Subsequent deprotonation of the phosphaureate complex 2 with potassium hexamethyldisilazide (KHMDS, K[N(SiMe3)2]) leads to the polymeric complex [K{(PN)2La(OC(NPh)(PMes))}]n (4). Complex 4 was found to be an excellent precursor for salt metathesis reactions with copper(I) and gold(I) chlorides supported by an N-heterocyclic carbene (NHC, 5 and 6) or a cyclic alkyl amino carbene (CAAC, 7 and 8). This resulted in the unprecedented formation of heterobimetallic lanthanum-coinage-metal complexes, containing the first example of a μ,κ2(O,N):κ1(P)-phosphaureate bridging ligand. For an alternative route to complex 8 a direct protonolysis protocol between a new basic gold(I) precursor, namely (MeCAAC)Au(HMDS), and 2 was also investigated. The complexes have been characterized by multinuclear NMR spectroscopy, IR spectroscopy, and X-ray crystallography (except for 8).
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Affiliation(s)
- Fabian
A. Watt
- Paderborn
University, Faculty of Science,
Department of Chemistry, Warburger Straße 100, 33098 Paderborn, Germany
| | - Nicole Dickmann
- Paderborn
University, Faculty of Science,
Department of Chemistry, Warburger Straße 100, 33098 Paderborn, Germany
| | - Roland Schoch
- Paderborn
University, Faculty of Science,
Department of Chemistry, Warburger Straße 100, 33098 Paderborn, Germany
| | - Stephan Hohloch
- University
of Innsbruck, Faculty of Chemistry
and Pharmacy, Institute of General, Inorganic and Theoretical Chemistry, Innrain 80-82, 6020 Innsbruck, Austria
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9
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Jiang W, Zhang L, Zhang L. Synthesis, Structure, and Reactivity of Monoguanidinate Rare‐Earth Metal Aminobenzyl Enolate Complexes. Eur J Inorg Chem 2020. [DOI: 10.1002/ejic.202000148] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Wen Jiang
- Key Laboratory of Functional Molecular Solids Ministry of Education Anhui Laboratory of Molecule‐Based Materials, College of Chemistry and Materials Science Anhui Normal University 241000 Wuhu Anhui China
- Department of Chemistry Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Jiangwan Campus Fudan University 200438 Shanghai China
| | - Li‐Jun Zhang
- Key Laboratory of Functional Molecular Solids Ministry of Education Anhui Laboratory of Molecule‐Based Materials, College of Chemistry and Materials Science Anhui Normal University 241000 Wuhu Anhui China
| | - Li‐Xin Zhang
- Department of Chemistry Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Jiangwan Campus Fudan University 200438 Shanghai China
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10
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Horsley Downie TM, Hall JW, Collier Finn TP, Liptrot DJ, Lowe JP, Mahon MF, McMullin CL, Whittlesey MK. The first ring-expanded NHC–copper(i) phosphides as catalysts in the highly selective hydrophosphination of isocyanates. Chem Commun (Camb) 2020; 56:13359-13362. [DOI: 10.1039/d0cc05694d] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The first copper(i) phosphides supported by ring-expanded N-heterocyclic carbenes have been synthesised and react readily with heterocumulenes. These copper(i) phosphides are highly active and selective in the hydrophosphination of isocyanates.
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Affiliation(s)
| | | | | | | | - John P. Lowe
- Department of Chemistry
- University of Bath
- Claverton Down
- Bath
- UK
| | - Mary F. Mahon
- X-Ray Crystallography Suite
- University of Bath
- Claverton Down
- Bath
- UK
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11
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Zhang F, Yi W, Zhang J, You Q, Weng L, Zhou X. Oxidation and chalcogenylative disproportionation of anionic phosphide ligands in yttrium complexes with elemental sulfur and selenium. Dalton Trans 2019; 48:10596-10603. [PMID: 31218302 DOI: 10.1039/c9dt01537j] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The oxidation and disproportionation of anionic phosphide ligands in yttrium complexes with elemental sulfur and selenium are reported. The mixed TpMe2/Cp supported yttrium phosphide complex TpMe2CpYPPh2(THF) (1) reacted with one equiv. of elemental S or Se in THF at room temperature to deliver two structurally characterized yttrium dithio- or monoseleno-phosphinates TpMe2CpYS2PPh2(THF) (2) and TpMe2CpYSePPh2(THF) (4Se), respectively. Further investigations showed that the yttrium thiophosphinate TpMe2CpYSPPh2(THF) (4S) can be isolated from the reactions of 2 and 1 or 1 and elemental S in a short reaction time. Moreover, after keeping 4S or 4Se in THF solution for some days, 2 or [(TpMe2)2Y]+[Se2PPh2]- (5) was obtained by a disproportionation process. The mechanism for the construction of the Ph2PE- and Ph2PE2- (E = S, Se) ligands has been discussed based on the in situ NMR experiments and some designed reactions.
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Affiliation(s)
- Fangjun Zhang
- Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, Shanghai 200433, People's Republic of China.
| | - Weiyin Yi
- Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, Shanghai 200433, People's Republic of China.
| | - Jie Zhang
- Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, Shanghai 200433, People's Republic of China.
| | - Qing You
- Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, Shanghai 200433, People's Republic of China.
| | - Linhong Weng
- Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, Shanghai 200433, People's Republic of China.
| | - Xigeng Zhou
- Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, Shanghai 200433, People's Republic of China.
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12
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Zhang F, Zhang J, Chen Z, Weng L, Zhou X. An Yttrium Organic cyclo-P4 Complex and Its Selective Conversions. Inorg Chem 2019; 58:8451-8459. [DOI: 10.1021/acs.inorgchem.9b00589] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Fangjun Zhang
- Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, Shanghai 200433, People’s Republic of China
| | - Jie Zhang
- Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, Shanghai 200433, People’s Republic of China
| | - Zhenxia Chen
- Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, Shanghai 200433, People’s Republic of China
| | - Linhong Weng
- Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, Shanghai 200433, People’s Republic of China
| | - Xigeng Zhou
- Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, Shanghai 200433, People’s Republic of China
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13
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Bahili MA, Stokes EC, Amesbury RC, Ould DMC, Christo B, Horne RJ, Kariuki BM, Stewart JA, Taylor RL, Williams PA, Jones MD, Harris KDM, Ward BD. Aluminium-catalysed isocyanate trimerization, enhanced by exploiting a dynamic coordination sphere. Chem Commun (Camb) 2019; 55:7679-7682. [PMID: 31204737 DOI: 10.1039/c9cc03339d] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Main-group metals are inherently labile, hindering their use in catalysis. We exploit this lability in the synthesis of isocyanurates. For the first time we report a highly active catalyst that trimerizes alkyl, allyl and aryl isocyanates, and di-isocyanates, with low catalyst loadings under mild conditions, using a hemi-labile aluminium-pyridyl-bis(iminophenolate) complex.
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Affiliation(s)
- Mohammed A Bahili
- School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, UK. and Department of Science, College of Science, University of Basrah, Basrah, Iraq
| | - Emily C Stokes
- School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, UK.
| | - Robert C Amesbury
- School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, UK.
| | - Darren M C Ould
- School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, UK.
| | - Bashar Christo
- School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, UK.
| | - Rhian J Horne
- School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, UK.
| | - Benson M Kariuki
- School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, UK.
| | - Jack A Stewart
- School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, UK.
| | - Rebekah L Taylor
- School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, UK.
| | - P Andrew Williams
- School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, UK.
| | - Matthew D Jones
- Department of Chemistry, University of Bath, Claverton Down, Bath BA2 7AY, UK
| | - Kenneth D M Harris
- School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, UK.
| | - Benjamin D Ward
- School of Chemistry, Cardiff University, Main Building, Park Place, Cardiff CF10 3AT, UK.
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14
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Han YS, Jung KY, Kim YJ, Baeck KK, Lee GM, Lee SW. Reactivities of zero-valent group 10 complexes toward organic isocyanates: synthesis of metallacycles containing dimeric isocyanate units, isocyanate cyclotrimerization, and computational chemistry. NEW J CHEM 2019. [DOI: 10.1039/c9nj03332g] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Five-membered metallacycles involving dimeric isocyanate units converted into cyclic tetramers and isocyanurates, depending on the central metal or organic isocyanates, and their synthetic and theoretical studies were carried out.
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Affiliation(s)
- Young-Sung Han
- Department of Chemistry
- Kangnung-Wonju National University
- Gangneung 210-702
- Korea
- Department of Biochemical Engineering
| | - Kang-Yeoun Jung
- Department of Biochemical Engineering
- Kangnung-Wonju National University
- Gangneung 210-702
- Korea
| | - Yong-Joo Kim
- Department of Chemistry
- Kangnung-Wonju National University
- Gangneung 210-702
- Korea
| | - Kyoung Koo Baeck
- Department of Chemistry
- Kangnung-Wonju National University
- Gangneung 210-702
- Korea
| | - Gang Min Lee
- Department of Chemistry
- Sungkyunkwan University
- Suwon 440-746
- Korea
| | - Soon W. Lee
- Department of Chemistry
- Sungkyunkwan University
- Suwon 440-746
- Korea
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15
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Liu D, Zhou D, Yang H, Li J, Cui C. Yttrium dialkyl supported by a silaamidinate ligand: synthesis, structure and catalysis on cyclotrimerization of isocyanates. Chem Commun (Camb) 2019; 55:12324-12327. [DOI: 10.1039/c9cc06282c] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A four-coordinate yttrium dialkyl complex with a sterically demanding silaamidinate ligand exhibited high activity and excellent functional group tolerance for the catalysis of isocyanate cyclotrimerization.
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Affiliation(s)
- Deshuai Liu
- State Key Laboratory of Elemento-organic Chemistry and College of Chemistry
- Nankai University
- Tianjin 300071
- China
| | - Dahai Zhou
- State Key Laboratory of Elemento-organic Chemistry and College of Chemistry
- Nankai University
- Tianjin 300071
- China
| | - Hao Yang
- State Key Laboratory of Elemento-organic Chemistry and College of Chemistry
- Nankai University
- Tianjin 300071
- China
| | - Jianfeng Li
- State Key Laboratory of Elemento-organic Chemistry and College of Chemistry
- Nankai University
- Tianjin 300071
- China
| | - Chunming Cui
- State Key Laboratory of Elemento-organic Chemistry and College of Chemistry
- Nankai University
- Tianjin 300071
- China
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin)
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16
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Zhang W, Dodonov VA, Chen W, Zhao Y, Skatova AA, Fedushkin IL, Roesky PW, Wu B, Yang XJ. Cycloaddition versus Cleavage of the C=S Bond of Isothiocyanates Promoted by Digallane Compounds with Noninnocent α-Diimine Ligands. Chemistry 2018; 24:14994-15002. [PMID: 30016556 DOI: 10.1002/chem.201802469] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2018] [Revised: 07/02/2018] [Indexed: 11/11/2022]
Abstract
Whereas the chemistry of single-bond activation by compounds of the main group elements has undergone some development in recent years, the cleavage of multiple bonds remains underexplored. Herein, the reactions of two digallanes bearing α-diimine ligands, namely, [L1 Ga-GaL1 ] (1, L1 =dpp-dad=[(2,6-iPr2 C6 H3 )NC(CH3 )]2 ) and [L2 Ga-GaL2 ] (2, L2 =dpp-bian=1,2-[(2,6-iPr2 C6 H3 )NC]2 C10 H6 ), with isothiocyanates are reported. Reactions of 1 or 2 with isothiocyanates in 1:2 molar ratio proceeded with [2+4] cycloaddition of the C=S bond across the C2 N2 Ga metallacycle with formation of C-C and S-Ga single bonds to afford [L1 (RN=C-S)Ga-Ga(S-C=NR)L1 ] (3, R=Me; 4, R=Ph) and [L2 (RN=C-S)Ga-Ga(S-C=NR)L2 ] (8, R=allyl; 9, R=Ph). In the cases of 8 and 9, this cycloaddition is reversible. The digallanes reacted with 2 equiv of PhNCS in the presence of Na metal or at high temperatures through a unique reductive cleavage of the C=S bond to yield the disulfide-bridged digallium species [Na(THF)3 ]2 [L1 Ga(μ-S)2 GaL1 ] (5), [L2 Ga(μ-S)2 GaL2 ] (10), and [Na(DME)3 ][L2 Ga(μ-S)2 GaL2 ] (11). Moreover, products 4 and 5 can further react with an excess of isothiocyanate, through cleavage of the C=S bond or cycloaddition, to give the bis- or mono-S-bridged complexes [Na(THF)2 ]2 [L1 (PhN=C-S)Ga(μ-S)2 Ga(S-C=NPh)L1 ] (6) and [L1 (PhN=C-S)Ga(μ-S)Ga(S-C=NPh)L1 ] (7). All the newly prepared compounds were characterized by elemental analysis, single-crystal X-ray diffraction, IR spectroscopy, NMR (3-9) or ESR spectroscopy (11), and DFT calculations.
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Affiliation(s)
- Wei Zhang
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of, the Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an, 710069, P. R. China
| | - Vladimir A Dodonov
- G. A. Razuvaev Institute of Organometallic Chemistry of, Russian Academy of Sciences, Tropinina str. 49, Nizhny Novgorod, 603137, Russia.,Institute of Inorganic Chemistry, Karlsruhe Institute of Technology, Engesserstrasse 15, 76131, Karlsruhe, Germany
| | - Weixing Chen
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of, the Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an, 710069, P. R. China
| | - Yanxia Zhao
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of, the Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an, 710069, P. R. China
| | - Alexandra A Skatova
- G. A. Razuvaev Institute of Organometallic Chemistry of, Russian Academy of Sciences, Tropinina str. 49, Nizhny Novgorod, 603137, Russia
| | - Igor L Fedushkin
- G. A. Razuvaev Institute of Organometallic Chemistry of, Russian Academy of Sciences, Tropinina str. 49, Nizhny Novgorod, 603137, Russia
| | - Peter W Roesky
- Institute of Inorganic Chemistry, Karlsruhe Institute of Technology, Engesserstrasse 15, 76131, Karlsruhe, Germany
| | - Biao Wu
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of, the Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an, 710069, P. R. China
| | - Xiao-Juan Yang
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry of, the Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an, 710069, P. R. China
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17
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Zhu X, Li Y, Guo D, Wang S, Wei Y, Zhou S. Versatile reactivities of rare-earth metal dialkyl complexes supported by a neutral pyrrolyl-functionalized β-diketiminato ligand. Dalton Trans 2018; 47:3947-3957. [DOI: 10.1039/c7dt04410k] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The first unprecedented examples of S-β-diketiminato species were disclosed in the reactions of rare-earth dialkyl complexes with S8.
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Affiliation(s)
- Xiancui Zhu
- Key Laboratory of Functional Molecular Solids
- Ministry of Education
- Anhui Laboratory of Molecule-Based Materials
- College of Chemistry and Materials Science
- Anhui Normal University
| | - Yang Li
- Key Laboratory of Functional Molecular Solids
- Ministry of Education
- Anhui Laboratory of Molecule-Based Materials
- College of Chemistry and Materials Science
- Anhui Normal University
| | - Dianjun Guo
- Key Laboratory of Functional Molecular Solids
- Ministry of Education
- Anhui Laboratory of Molecule-Based Materials
- College of Chemistry and Materials Science
- Anhui Normal University
| | - Shaowu Wang
- Key Laboratory of Functional Molecular Solids
- Ministry of Education
- Anhui Laboratory of Molecule-Based Materials
- College of Chemistry and Materials Science
- Anhui Normal University
| | - Yun Wei
- Key Laboratory of Functional Molecular Solids
- Ministry of Education
- Anhui Laboratory of Molecule-Based Materials
- College of Chemistry and Materials Science
- Anhui Normal University
| | - Shuangliu Zhou
- Key Laboratory of Functional Molecular Solids
- Ministry of Education
- Anhui Laboratory of Molecule-Based Materials
- College of Chemistry and Materials Science
- Anhui Normal University
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18
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Motolko KSA, Emslie DJH, Jenkins HA, Britten JF. Potassium and Yttrium Complexes of a Rigid Bis‐Phosphido POP‐Donor Ligand. Eur J Inorg Chem 2017. [DOI: 10.1002/ejic.201700430] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Kelly S. A. Motolko
- Department of Chemistry & Chemical Biology McMaster University 1280 Main St. West L8S 4M1 Hamilton Ontario Canada
| | - David J. H. Emslie
- Department of Chemistry & Chemical Biology McMaster University 1280 Main St. West L8S 4M1 Hamilton Ontario Canada
| | - Hilary A. Jenkins
- McMaster University Analytical X‐ray Diffraction Facility 1280 Main St. West L8S 4M1 Hamilton Ontario Canada
| | - James F. Britten
- McMaster University Analytical X‐ray Diffraction Facility 1280 Main St. West L8S 4M1 Hamilton Ontario Canada
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19
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Bhattacharjee J, Panda TK. C-H Bond Activation Induced by Group 4 Metal Nitrogen Bond to Form Acetimidamide Metal Complexes. ChemistrySelect 2017. [DOI: 10.1002/slct.201700249] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Jayeeta Bhattacharjee
- Department of Chemistry; Indian Institute of Technology Hyderabad; Kandi - 502 285, Sangareddy, Telangana India
| | - Tarun K. Panda
- Department of Chemistry; Indian Institute of Technology Hyderabad; Kandi - 502 285, Sangareddy, Telangana India
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20
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Schwamm RJ, Fulton JR, Coles MP, Fitchett CM. Hydrophosphination-type reactivity promoted by bismuth phosphanides: scope and limitations. Dalton Trans 2017; 46:2068-2071. [PMID: 28155964 DOI: 10.1039/c7dt00226b] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Phenyl isocyanate inserts into the Bi-P bond of the terminal phosphanide Bi(NONAr)(PCy2) (NONAr = [O(SiMe2NAr)2]2- Ar = 2,6-iPr2C6H3) to afford the κ2N,O-phosphanylcarboxamidate complex. Liberation of the hydrophosphination product from the metal is achieved by reaction with HPPh2. The diphenylphosphanide product, Bi(NONAr)(PPh2), is however unstable and decomposes to generate reduced species, preventing catalytic turnover.
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Affiliation(s)
- R J Schwamm
- School of Chemical and Physical Sciences, Victoria University of Wellington, Wellington, 6012, New Zealand.
| | - J R Fulton
- School of Chemical and Physical Sciences, Victoria University of Wellington, Wellington, 6012, New Zealand.
| | - M P Coles
- School of Chemical and Physical Sciences, Victoria University of Wellington, Wellington, 6012, New Zealand.
| | - C M Fitchett
- Department of Chemistry, University of Canterbury, Private Bag 4800, Christchurch 8041, New Zealand
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21
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Zhang F, Zhang J, Zhou X. Facile Construction of Yttrium Pentasulfides from Yttrium Alkyl Precursors: Synthesis, Mechanism, and Reactivity. Inorg Chem 2017; 56:2070-2077. [DOI: 10.1021/acs.inorgchem.6b02747] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Fangjun Zhang
- Department of Chemistry, Fudan University, Shanghai 200433, People’s Republic of China
| | - Jie Zhang
- Department of Chemistry, Fudan University, Shanghai 200433, People’s Republic of China
| | - Xigeng Zhou
- Department of Chemistry, Fudan University, Shanghai 200433, People’s Republic of China
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22
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Sharpe HR, Geer AM, Williams HEL, Blundell TJ, Lewis W, Blake AJ, Kays DL. Cyclotrimerisation of isocyanates catalysed by low-coordinate Mn(ii) and Fe(ii) m-terphenyl complexes. Chem Commun (Camb) 2017; 53:937-940. [DOI: 10.1039/c6cc07243g] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Isocyanurates can be synthesised through the cyclotrimerisation of primary isocyanates catalysed by low-coordinate manganese(ii) and iron(ii) m-terphenyl complexes under mild conditions.
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Affiliation(s)
| | - Ana M. Geer
- School of Chemistry
- University of Nottingham
- Nottingham
- UK
| | | | | | - William Lewis
- School of Chemistry
- University of Nottingham
- Nottingham
- UK
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23
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Albuerne IG, Alvarez MA, García ME, García-Vivó D, Ruiz MA. Chemistry of CS2- and SCNPh-adducts of the pyramidal phosphinidene-bridged complex [Mo2Cp(μ–κ1:κ1,η5-PC5H4)(CO)2(η6-HMes*)(PMe3)]. Dalton Trans 2017; 46:3510-3525. [DOI: 10.1039/c7dt00132k] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Heterocumulene insertion into the metallocene Mo–P bond of the title complex enables further addition of different electrophiles at the P, S or N sites.
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Affiliation(s)
- Isabel G. Albuerne
- Departamento de Química Orgánica e Inorgánica/IUQOEM
- Universidad de Oviedo
- E-33071 Oviedo
- Spain
| | - M. Angeles Alvarez
- Departamento de Química Orgánica e Inorgánica/IUQOEM
- Universidad de Oviedo
- E-33071 Oviedo
- Spain
| | - M. Esther García
- Departamento de Química Orgánica e Inorgánica/IUQOEM
- Universidad de Oviedo
- E-33071 Oviedo
- Spain
| | - Daniel García-Vivó
- Departamento de Química Orgánica e Inorgánica/IUQOEM
- Universidad de Oviedo
- E-33071 Oviedo
- Spain
| | - Miguel A. Ruiz
- Departamento de Química Orgánica e Inorgánica/IUQOEM
- Universidad de Oviedo
- E-33071 Oviedo
- Spain
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24
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Bhattacharjee J, Das S, Kottalanka RK, Panda TK. Hydroamination of carbodiimides, isocyanates, and isothiocyanates by a bis(phosphinoselenoic amide) supported titanium(iv) complex. Dalton Trans 2016; 45:17824-17832. [PMID: 27774537 DOI: 10.1039/c6dt03063g] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
The hydroamination of heterocumulenes such as carbodiimides, isocyanates, and isothiocyanates by a bis(phosphinoselenoic amide) supported titanium(iv) complex as a precatalyst is reported here. The titanium(iv) complex [{Ph2P(Se)NCH2CH2NPPh2(Se)}Ti(NMe2)2] (1) was synthesised by the reaction of tetrakis-(dimethylamido)titanium(iv) [Ti(NMe2)4] with [{Ph2P(Se)NHCH2CH2NHPPh2(Se)}] in toluene at ambient temperature. Titanium complex 1 proved to be a competent pre-catalyst for the addition of an amine N-H bond to carbodiimides, isocyanates, and isothiocyanates. The reaction scope was expanded to reactions of aliphatic and aromatic amines with phenylisocyanates and phenylisothiocyanates in toluene solvents proceeding rapidly at room temperature with 5 mol% catalyst loadings to yield the corresponding urea and thio-urea derivatives up to 99%. However, ambient temperature was needed for hydroamination of 1,3-dicyclohexylcarbodiimide. The amine addition reactions with isocyanates showed first order kinetics with respect to catalyst 1 as well as substrates. The most plausible mechanism for the hydroamination reaction was established by isolating 1,1-dimethylphenyl urea as a side product.
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Affiliation(s)
- Jayeeta Bhattacharjee
- Department of Chemistry, Indian Institute of Technology Hyderabad, Kandi, Sangareddy 502285, Telangana, India.
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25
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Choi JH, Jung KY, Kim YJ, Im HJ, Lee SW. Macrocyclic complexes containing a platinacycle or palladacycle composed of an isocyanate dimer unit: Reactivity towards isocyanides and cyclotrimerization of isocyanates. Polyhedron 2016. [DOI: 10.1016/j.poly.2016.05.061] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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26
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Pelties S, Ehlers AW, Wolf R. Insertion of phenyl isothiocyanate into a P-P bond of a nickel-substituted bicyclo[1.1.0]tetraphosphabutane. Chem Commun (Camb) 2016; 52:6601-4. [PMID: 27111495 DOI: 10.1039/c6cc01572g] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A new reaction mode for bicyclo[1.1.0]tetraphosphabutanes is reported. The C[double bond, length as m-dash]S and C[double bond, length as m-dash]N bonds of phenyl isothiocyanate reversibly insert into a P-P bond of [{CpNi(IMes)}2(μ-η(1):η(1)-P4)] (, IMes = 1,3-bis(2,4,6-trimethylphenyl)imidazolin-2-ylidene), forming isomers and . X-ray crystallography and (31)P{(1)H} NMR spectroscopy revealed similar bicyclo[3.1.0]heterohexane structures for these compounds.
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Affiliation(s)
- Stefan Pelties
- University of Regensburg, Institute of Inorganic Chemistry, 93040 Regensburg, Germany.
| | - Andreas W Ehlers
- Department of Chemistry and Pharmaceutical Sciences, VU University Amsterdam, De Boelelaan 1083, 1081 HV Amsterdam, The Netherlands
| | - Robert Wolf
- University of Regensburg, Institute of Inorganic Chemistry, 93040 Regensburg, Germany.
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27
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Yuan J, Hu H, Cui C. N-Heterocyclic Carbene-Ytterbium Amide as a Recyclable Homogeneous Precatalyst for Hydrophosphination of Alkenes and Alkynes. Chemistry 2016; 22:5778-85. [DOI: 10.1002/chem.201600512] [Citation(s) in RCA: 38] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2016] [Indexed: 11/12/2022]
Affiliation(s)
- Jia Yuan
- State Key Laboratory of Elemento-Organic Chemistry; Nankai University; Tianjin 300071 P. R. China), Fax
| | - Hongfan Hu
- State Key Laboratory of Elemento-Organic Chemistry; Nankai University; Tianjin 300071 P. R. China), Fax
| | - Chunming Cui
- State Key Laboratory of Elemento-Organic Chemistry; Nankai University; Tianjin 300071 P. R. China), Fax
- Collaborative Innovation Center of Chemical Science and Engineering (Tianjin); Tianjin 300071 P. R. China
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28
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Batrice RJ, Eisen MS. Catalytic insertion of E-H bonds (E = C, N, P, S) into heterocumulenes by amido-actinide complexes. Chem Sci 2016; 7:939-944. [PMID: 29896364 PMCID: PMC5954617 DOI: 10.1039/c5sc02746b] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2015] [Accepted: 10/28/2015] [Indexed: 11/21/2022] Open
Abstract
We report herein the actinide-mediated insertion of E-H bonds (E = C, N, P, S) into various heterocumulenes including carbodiimides, isocyanates, and isothiocyanates. The precatalysts are prepared by a simple, one-pot procedure using readily available starting materials, and challenging insertions are achieved with excellent selectivity in short reaction times. Spectroscopic data are utilised to propose the active catalytic mechanism and derive thermodynamic activation parameters, which are described in this study. The only example of an actinide-mediated C-H bond insertion into a carbon-heteroatom bond is presented within this study.
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Affiliation(s)
- Rami J Batrice
- Schulich Faculty of Chemistry , Technion - Israel Institute of Technology , Technion City , 32000 , Haifa , Israel .
| | - Moris S Eisen
- Schulich Faculty of Chemistry , Technion - Israel Institute of Technology , Technion City , 32000 , Haifa , Israel .
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29
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Naktode K, Das S, Bhattacharjee J, Nayek HP, Panda TK. Imidazolin-2-iminato Ligand-Supported Titanium Complexes as Catalysts for the Synthesis of Urea Derivatives. Inorg Chem 2016; 55:1142-53. [PMID: 26789927 DOI: 10.1021/acs.inorgchem.5b02302] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
The reactions of tetrakis(dimethylamido)titanium(IV) [Ti(NMe2)4] with three different imidazolin-2-imines (Im(R)NH; R = tert-butyl (tBu), mesityl (Mes), and 2,6-diisopropylphenyl (Dipp)) afforded the corresponding titanium imidazolin-2-iminato complexes [(Im(R)N)Ti(NMe2)3] (R = tBu, 1a; R = Mes, 1b; R = Dipp, 1c). Treatment of complex 1a with two different carbodiimides [R'N═C═NR'; R' = cyclohexyl (Cy) and isopropyl (iPr)] resulted in the formation of imidazolin-2-iminato titanium mono(guanidinate) complex of the type [(Im(R)N)Ti(R'NC(NMe2)NR') (NMe2)2 (R' = iPr; R = tBu (2a), R = Dipp (2c); R' = Cy, R = tBu (3a)], as yellow solid in 94% yield. However, a similar reaction of 1b and 1c with 2 equiv of phenyl isocyanates at ambient temperature resulted in the formation of corresponding titanium bis(ureate) complexes [(Im(R)N)Ti{κ(2)-OC(NMe2)NPh}2(NMe2)] (R = Mes, 4b and R = Dipp, 4c). Three equivalents of phenyl isothiocyanate reacted with complex 1c to afford respective titanium tris(thioureate) complex [(Im(Dipp)N)Ti{κ(2)-SC(NMe2)NPh}2{κ(1)-SC(NMe2)NPh}] (6c). The molecular structures of 1a-c, 2a, 2c, 3a, 4c, and 6c were established by X-ray diffraction analyses, and, from the solid-state structures of 1a-c, 2a, 2c, 3a, 4c, and 6c, it was confirmed that the imidazolin-2-iminato titanium bond in each case is very short and possesses a multiple-bonding character. The imidazolin-2-iminato titanium complex 1c was utilized as a precatalyst for the addition of amine N-H bond to phenyl isocyanate. High yields of the corresponding urea derivatives were achieved under mild conditions. The mechanistic study of the aforementioned catalytic reaction was performed, and the active catalyst complex 7b was isolated using 2 equiv of iminopyrrole [2-(2,6-iPr2C6H3N═CH)C4H3NH] and the complex 4b. The molecular structure of 7b was thereafter established.
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Affiliation(s)
- Kishor Naktode
- Department of Chemistry, Indian Institute of Technology Hyderabad , Kandi Sangareddy, 502 285 Telangana, India
| | - Suman Das
- Department of Chemistry, Indian Institute of Technology Hyderabad , Kandi Sangareddy, 502 285 Telangana, India
| | - Jayeeta Bhattacharjee
- Department of Chemistry, Indian Institute of Technology Hyderabad , Kandi Sangareddy, 502 285 Telangana, India
| | - Hari Pada Nayek
- Department of Applied Chemistry, Indian School of Mines , Dhanbad, 826004 Jharkhand, India
| | - Tarun K Panda
- Department of Chemistry, Indian Institute of Technology Hyderabad , Kandi Sangareddy, 502 285 Telangana, India
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30
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31
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Karmel ISR, Tamm M, Eisen MS. Actinide-Mediated Catalytic Addition of EH Bonds (E=N, P, S) to Carbodiimides, Isocyanates, and Isothiocyanates. Angew Chem Int Ed Engl 2015; 54:12422-5. [DOI: 10.1002/anie.201502041] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2015] [Revised: 04/23/2015] [Indexed: 12/15/2022]
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32
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Karmel ISR, Tamm M, Eisen MS. Actinide-Mediated Catalytic Addition of EH Bonds (E=N, P, S) to Carbodiimides, Isocyanates, and Isothiocyanates. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201502041] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
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33
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Alves LG, Madeira F, Munhá RF, Barroso S, Veiros LF, Martins AM. Reactions of heteroallenes with cyclam-based Zr(IV) complexes. Dalton Trans 2015; 44:1441-55. [PMID: 25427676 DOI: 10.1039/c4dt02851a] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This work describes reactions of heteroallenes with diamido-diamine cyclam-based Zr(iv) complexes of the general formula (Bn2Cyclam)ZrX2 (X = O(t)Bu, , O(i)Pr, , SPh, , NH(t)Bu, ) as well as the di-orthometallated species ((C6H4CH2)2Cyclam)Zr, . The reactions of isocyanates or isothiocyanates with , or resulted in the formation of N-bonded ureate or thioureate cyclam complexes upon [2 + 2] cycloaddition of the Zr-Namido bonds of the cyclam to the heteroallene (). DFT calculations showed that κ(2)-N,N'-ureate bonding is favoured over κ(2)-N,O-ureates, which in turn may be formed in reactions with bulky isocyanates as 1-naphthyl isocyanate (NpN[double bond, length as m-dash]C[double bond, length as m-dash]O). The reactions of with N,N'-cyclohexylcarbodiimide (CyN[double bond, length as m-dash]C[double bond, length as m-dash]NCy) and carbon disulfide afforded guanidinate and dithiocarbamate fragments, respectively, appended to one of the nitrogen atoms of the cyclam ligand. These reactions represent a reliable method for the synthesis of asymmetrically N-functionalized cyclams giving rise to C1 symmetry Zr(iv) species by addition of one equivalent of heteroallenes. The reaction of (Bn2Cyclam)Zr(NH(t)Bu)2, , with one equivalent of mesityl isocyanate (MesN[double bond, length as m-dash]C[double bond, length as m-dash]O) also proceeds through insertion, involving one Zr-NH(t)Bu bond. However, it was observed that the reaction of (Bn2Cyclam)Zr(NH(t)Bu)2, , with MesN[double bond, length as m-dash]C[double bond, length as m-dash]O follows a different path if the reaction is carried out at 60 °C. In this case the reaction leads to [2 + 2] addition of the Zr-Ncyclam bond to the isocyanate, with a concomitant occurrence of orthometallation of the one benzyl pending group of the cyclam ring. The reaction of (t)BuN[double bond, length as m-dash]C[double bond, length as m-dash]O with the di-orthometallated complex ((C6H4CH2)2Cyclam)Zr, , also gave a κ(2)-N,N'-ureate fragment, by isocyanate addition to the macrocycle. DFT calculations on these systems were conducted in an attempt to rationalise the reactivity patterns observed.
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Affiliation(s)
- Luis G Alves
- Centro de Química Estrutural, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais 1, 1049-001 Lisboa, Portugal.
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Heift D, Benkő Z, Grützmacher H, Jupp AR, Goicoechea JM. Cyclo-oligomerization of isocyanates with Na(PH 2) or Na(OCP) as "P -" anion sources. Chem Sci 2015; 6:4017-4024. [PMID: 28717463 PMCID: PMC5497264 DOI: 10.1039/c5sc00963d] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2015] [Accepted: 04/29/2015] [Indexed: 11/21/2022] Open
Abstract
We show that the 2-phosphaethynolate anion, OCP-, is a simple and efficient catalyst for the cyclotrimerization of isocyanates. This process proceeds step-wise and involves five-membered heterocycles, namely 1,4,2-diazaphospholidine-3,5-dionide anions and spiro-phosphoranides as detectable intermediates, both of which were also found to be involved in the catalytic conversion. These species can be considered as adducts of a phosphide anion with two and four isocyanate molecules, respectively, demonstrating that the OCP- anion acts as a formal "P-" source. The interconversion between these anionic species was found to be reversible, allowing them to serve as reservoirs for unique phosphorus-based living-catalysts for isocyanate trimerization.
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Affiliation(s)
- Dominikus Heift
- Department of Chemistry and Applied Biosciences , ETH Zurich , CH-8093 Zurich , Switzerland . ;
| | - Zoltán Benkő
- Department of Chemistry and Applied Biosciences , ETH Zurich , CH-8093 Zurich , Switzerland . ; .,Budapest University of Technology and Economics , 1111 Budapest , Hungary .
| | - Hansjörg Grützmacher
- Department of Chemistry and Applied Biosciences , ETH Zurich , CH-8093 Zurich , Switzerland . ; .,Lehn Institute of Functional Materials (LIFM) , Sun Yat-Sen University , 510275 Guangzhou , China
| | - Andrew R Jupp
- Department of Chemistry , University of Oxford , Chemistry Research Laboratory , 12 Mansfield Road , Oxford OX1 3TA , UK
| | - Jose M Goicoechea
- Department of Chemistry , University of Oxford , Chemistry Research Laboratory , 12 Mansfield Road , Oxford OX1 3TA , UK
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35
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Lee SG, Choi KY, Kim YJ, Park S, Lee SW. Cyclic tetramers of a five-membered palladacycle based on a head-to-tail-linked isocyanate dimer and their reactivity in cyclotrimerization of isocyanates. Dalton Trans 2015; 44:6537-45. [DOI: 10.1039/c5dt00534e] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Cyclic tetramers of a five-membered palladacycle involving an isocyanate dimer were prepared, and catalytic cyclotrimerization from a palladium zero-compound or a single palladacycle with organic isocyanates was performed.
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Affiliation(s)
- Seon Gye Lee
- Department of Chemistry
- Kangnung-Wonju National University
- Gangneung 210-702
- Republic of Korea
| | - Keun-Young Choi
- Department of Chemistry
- Kangnung-Wonju National University
- Gangneung 210-702
- Republic of Korea
| | - Yong-Joo Kim
- Department of Chemistry
- Kangnung-Wonju National University
- Gangneung 210-702
- Republic of Korea
| | - SuJin Park
- Department of Chemistry
- Sungkyunkwan University
- Suwon 440-746
- Republic of Korea
| | - Soon W. Lee
- Department of Chemistry
- Sungkyunkwan University
- Suwon 440-746
- Republic of Korea
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36
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Lee SG, Choi KY, Kim YJ, Park S, Lee SW. Reactivities of organic isothiocyanates and thiocyanates toward dialkyl bis(phosphine) complexes of palladium(II) and platinum(II). Polyhedron 2015. [DOI: 10.1016/j.poly.2014.10.020] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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37
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Zhang F, Zhang J, Zhang Y, Hong J, Zhou X. Rare-Earth-Metal-Catalyzed Addition of Terminal Monoalkynes and Dialkynes with Aryl-Substituted Symmetrical or Unsymmetrical Carbodiimides. Organometallics 2014. [DOI: 10.1021/om5008665] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
Affiliation(s)
- Fangjun Zhang
- Department of Chemistry, Fudan University, 220 Handan Road, Shanghai 200433, People’s Republic of China
| | - Jie Zhang
- Department of Chemistry, Fudan University, 220 Handan Road, Shanghai 200433, People’s Republic of China
| | - Yin Zhang
- Department of Chemistry, Fudan University, 220 Handan Road, Shanghai 200433, People’s Republic of China
| | - Jianquan Hong
- Department of Chemistry, Fudan University, 220 Handan Road, Shanghai 200433, People’s Republic of China
| | - Xigeng Zhou
- Department of Chemistry, Fudan University, 220 Handan Road, Shanghai 200433, People’s Republic of China
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38
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Yi W, Zhang J, Huang S, Weng L, Zhou X. Reactivity of TpMe2-Supported Yttrium Alkyl Complexes toward Aromatic N-Heterocycles: Ring-Opening or CC Bond Formation Directed by CH Activation. Chemistry 2013; 20:867-76. [DOI: 10.1002/chem.201303608] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2013] [Revised: 10/10/2013] [Indexed: 11/10/2022]
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39
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Yi W, Huang S, Zhang J, Chen Z, Zhou X. Reactivity of Scorpionate-Anchored Yttrium Alkyl Primary Amido Complexes toward Carbodiimides. Insertion Selectivity of Y–NHAr and Y–CH2Ph Bonds. Organometallics 2013. [DOI: 10.1021/om400698j] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Weiyin Yi
- Department of Chemistry,
Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, Shanghai 200433, People’s Republic of China, and State Key Laboratory of Organometallic Chemistry, Shanghai 200032, People’s Republic of China
| | - Shujian Huang
- Department of Chemistry,
Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, Shanghai 200433, People’s Republic of China, and State Key Laboratory of Organometallic Chemistry, Shanghai 200032, People’s Republic of China
| | - Jie Zhang
- Department of Chemistry,
Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, Shanghai 200433, People’s Republic of China, and State Key Laboratory of Organometallic Chemistry, Shanghai 200032, People’s Republic of China
| | - Zhenxia Chen
- Department of Chemistry,
Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, Shanghai 200433, People’s Republic of China, and State Key Laboratory of Organometallic Chemistry, Shanghai 200032, People’s Republic of China
| | - Xigeng Zhou
- Department of Chemistry,
Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials, Fudan University, Shanghai 200433, People’s Republic of China, and State Key Laboratory of Organometallic Chemistry, Shanghai 200032, People’s Republic of China
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40
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Li T, Kaercher S, Roesky PW. Synthesis, structure and reactivity of rare-earth metal complexes containing anionic phosphorus ligands. Chem Soc Rev 2013; 43:42-57. [PMID: 23945727 DOI: 10.1039/c3cs60163c] [Citation(s) in RCA: 65] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A comprehensive review of structurally characterized rare-earth metal complexes containing anionic phosphorus ligands is presented. Since rare-earth elements form hard ions and phosphorus is considered as a soft ligand, the rare-earth metal phosphorus coordination is regarded as a less favorite combination. Three classes of phosphorus ligands, (1) the monoanionic organophosphide ligands (PR2(-)) bearing one negative charge on the phosphorus atom; (2) the dianionic phosphinidene (PR(2-)) and P(3-) ligands; and (3) the pure inorganic polyphosphide ligands (Pn(x-)), are included here. Particular attention has been paid to the synthesis, structure, and reactivity of the rare-earth metal phosphides.
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Affiliation(s)
- Tianshu Li
- Institut für Anorganische Chemie, Karlsruhe Institute of Technology (KIT), Engesserstrasse 15, 76131 Karlsruhe, Germany.
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41
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Lanthanides and actinides: Annual survey of their organometallic chemistry covering the year 2011. Coord Chem Rev 2013. [DOI: 10.1016/j.ccr.2012.12.010] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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42
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Yi W, Zhang J, Chen Z, Zhou X. Reactivity of Scorpionate-Anchored Yttrium Alkyl Complex toward Organic Nitriles. Organometallics 2012. [DOI: 10.1021/om3007773] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Weiyin Yi
- Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis
and Innovative Materials, Fudan University, Shanghai 200433, People’s Republic of China
| | - Jie Zhang
- Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis
and Innovative Materials, Fudan University, Shanghai 200433, People’s Republic of China
| | - Zhenxia Chen
- Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis
and Innovative Materials, Fudan University, Shanghai 200433, People’s Republic of China
| | - Xigeng Zhou
- Department of Chemistry, Shanghai Key Laboratory of Molecular Catalysis
and Innovative Materials, Fudan University, Shanghai 200433, People’s Republic of China
- State Key Laboratory of Organometallic Chemistry, Shanghai 200032, People’s Republic
of China
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