1
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Vasanthakumar A, Price JS, Emslie DJH. Rare earth dialkyl cations and monoalkyl dications supported by a rigid neutral pincer ligand: synthesis and ethylene polymerization. Chem Sci 2023; 14:8514-8523. [PMID: 37592999 PMCID: PMC10430518 DOI: 10.1039/d3sc01830j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Accepted: 07/15/2023] [Indexed: 08/19/2023] Open
Abstract
A palladium-catalyzed coupling reaction between 4,5-dibromo-2,7-di-tert-butyl-9,9-dimethylxanthene and 2 equiv. of 1,3-diisopropylimidazolin-2-imine afforded the rigid neutral 2,7-di-tert-butyl-4,5-bis(1,3-diisopropylimidazolin-2-imino)-9,9-dimethylxanthene (XII2) pincer ligand. Reaction of XII2 with YCl3(THF)3.5 provided [(XII2)YCl3] (1). However, compound 1 failed to react cleanly with 3 equiv. of LiCH2SiMe3, and the reaction of XII2 with [Y(CH2SiMe3)3(THF)2] afforded a complex mixture of products. To access group 3 alkyl complexes without the intermediacy of [(XII2)M(CH2SiMe3)3], the XII2 ligand was protonated using [H(OEt2)2][B(C6F5)4] to form [H(XII2)][B(C6F5)4], and subsequent reaction with [M(CH2SiMe3)3(THF)2] (M = Y, Sc) directly afforded the cationic scandium and yttrium dialkyl complexes [(XII2)M(CH2SiMe3)2][B(C6F5)4] {M = Y (2) and Sc (3)}. Reaction of 3 with B(C6F5)3 in C6D5Br afforded dicationic [(XII2)Sc(CH2SiMe2CH2SiMe3)][MeB(C6F5)3][B(C6F5)4] (4) featuring a CH2SiMe2CH2SiMe3 ligand, formed as a result of methyl anion abstraction from silicon, with concomitant migration of the neighbouring CH2SiMe3 group from scandium to silicon. The MeB(C6F5)3 anion in 4 forms a contact ion pair. By contrast, reaction of 1 with [CPh3][B(C6F5)3] in C6D5Br/toluene or o-C6H4F2/toluene afforded dicationic [(XII2)Sc(CH2SiMe3)(ηx-toluene)n][B(C6F5)4]2 (5). Compounds 2-4 showed negligible ethylene polymerization activity, whereas 5 is highly active (up to 870 kg mol-1 h-1 atm-1 in o-C6H4F2/toluene under 1 atm of ethylene at room temperature).
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Affiliation(s)
- Aathith Vasanthakumar
- Department of Chemistry, McMaster University 1280 Main Street West Hamilton Ontario L8S 4M1 Canada
| | - Jeffrey S Price
- Department of Chemistry, McMaster University 1280 Main Street West Hamilton Ontario L8S 4M1 Canada
| | - David J H Emslie
- Department of Chemistry, McMaster University 1280 Main Street West Hamilton Ontario L8S 4M1 Canada
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2
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Zhao W, Wang B, Dong B, Liu H, Hu Y, Eisen MS, Zhang X. 1-Hexene Homopolymerization and Copolymerization with Polar ω-Halo-α-alkenes by (Benz)imidazolin-2-iminato Scandium and Yttrium Complexes. Organometallics 2020. [DOI: 10.1021/acs.organomet.0c00563] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Wenpeng Zhao
- Key Laboratory of Rubber-Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber-plastics, Qingdao University of Science & Technology, Qingdao 266042, People’s Republic of China
- Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, Jilin, People’s Republic of China
| | - Beibei Wang
- Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, Jilin, People’s Republic of China
| | - Bo Dong
- Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, Jilin, People’s Republic of China
| | - Heng Liu
- Key Laboratory of Rubber-Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber-plastics, Qingdao University of Science & Technology, Qingdao 266042, People’s Republic of China
- Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, Jilin, People’s Republic of China
| | - Yanming Hu
- Division of Energy Materials, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Dalian 116023, People’s Republic of China
| | - Moris S. Eisen
- Schulich Faculty of Chemistry, Technion-Israel Institute of Technology, Haifa City 32000, Israel
| | - Xuequan Zhang
- Key Laboratory of Rubber-Plastics, Ministry of Education/Shandong Provincial Key Laboratory of Rubber-plastics, Qingdao University of Science & Technology, Qingdao 266042, People’s Republic of China
- Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, 5625 Renmin Street, Changchun 130022, Jilin, People’s Republic of China
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3
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Beh DW, Piers WE, Gelfand BS, Lin JB. Tandem deoxygenative hydrosilation of carbon dioxide with a cationic scandium hydridoborate and B(C6F5)3. Dalton Trans 2020; 49:95-101. [DOI: 10.1039/c9dt04323c] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A scandium hydridoborate complex supported by the dianionic pentadentate ligand B2Pz4Py is prepared via hydride abstraction from the previously reported scandium hydride complex with tris-pentafluorophenyl borane.
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Affiliation(s)
- Daniel W. Beh
- Department of Chemistry
- University of Calgary
- 2500 University Drive NW
- Calgary
- Canada
| | - Warren E. Piers
- Department of Chemistry
- University of Calgary
- 2500 University Drive NW
- Calgary
- Canada
| | - Benjamin S. Gelfand
- Department of Chemistry
- University of Calgary
- 2500 University Drive NW
- Calgary
- Canada
| | - Jian-Bin Lin
- Department of Chemistry
- University of Calgary
- 2500 University Drive NW
- Calgary
- Canada
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4
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Klementyeva SV, Petrov PA, Starikova AA, Konchenko SN. Erbium Mixed-Ligand β-Diketiminato-Diamido Complex: Unusual Structure of Diamide Ligand. ChemistrySelect 2018. [DOI: 10.1002/slct.201703168] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Svetlana V. Klementyeva
- Razuvaev Institute of Organometallic Chemistry; Russian Academy of Sciences; Tropinina Str. 49 603137 Nizhny Novgorod Russian Federation
- Nikolaev Institute of Inorganic Chemistry SB RAS; Lavrentieva Av. 3 630090 Novosibirsk Russian Federation
| | - Pavel A. Petrov
- Nikolaev Institute of Inorganic Chemistry SB RAS; Lavrentieva Av. 3 630090 Novosibirsk Russian Federation
- Novosibirsk State University; Pirogova Str. 2 630090 Novosibirsk Russian Federation
| | - Alyona A. Starikova
- Institute of Physical and Organic Chemistry; Southern Federal University; Stachka Ave. 194/2 344090 Rostov-on-Don Russian Federation
| | - Sergey N. Konchenko
- Nikolaev Institute of Inorganic Chemistry SB RAS; Lavrentieva Av. 3 630090 Novosibirsk Russian Federation
- Novosibirsk State University; Pirogova Str. 2 630090 Novosibirsk Russian Federation
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5
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Klementyeva SV, Smolentsev AI, Abramov PA, Konchenko SN. Yttrium 3,5-di-tert-butyl-catecholates supported by 2,6-diisopropylphenyl substituted β-diketiminate. INORG CHEM COMMUN 2017. [DOI: 10.1016/j.inoche.2017.10.016] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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6
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Rare-earth metal complexes of β-diketiminato ligands bearing pendant nitrogen or oxygen donors. Coord Chem Rev 2017. [DOI: 10.1016/j.ccr.2016.12.007] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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7
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Klementyeva SV, Afonin MY, Bogomyakov AS, Gamer MT, Roesky PW, Konchenko SN. Mono‐ and Dinuclear Rare‐Earth Chlorides Ligated by a Mesityl‐Substituted β‐Diketiminate. Eur J Inorg Chem 2016. [DOI: 10.1002/ejic.201600488] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Svetlana V. Klementyeva
- G. A. Razuvaev Institute of Organometallic Chemistry RASTropinina str. 49603137Nizhny NovgorodRussia
- Institut für Anorganische ChemieKarlsruher Institut für Technologie (KIT)Engesserstr. 15, Geb. 30.4576131KarlsruheGermany
| | - Mikhail Yu. Afonin
- Nikolaev Institute of Inorganic Chemistry SB RASProsp. Lavrentieva 3630090NovosibirskRussia
| | - Artem S. Bogomyakov
- International Tomography Center SB RASInstitutskaya str. 3a630090NovosibirskRussia
| | - Michael T. Gamer
- Institut für Anorganische ChemieKarlsruher Institut für Technologie (KIT)Engesserstr. 15, Geb. 30.4576131KarlsruheGermany
| | - Peter W. Roesky
- Institut für Anorganische ChemieKarlsruher Institut für Technologie (KIT)Engesserstr. 15, Geb. 30.4576131KarlsruheGermany
| | - Sergey N. Konchenko
- Institut für Anorganische ChemieKarlsruher Institut für Technologie (KIT)Engesserstr. 15, Geb. 30.4576131KarlsruheGermany
- Nikolaev Institute of Inorganic Chemistry SB RASProsp. Lavrentieva 3630090NovosibirskRussia
- Novosibirsk State UniversityPirogova str. 2630090NovosibirskRussia
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8
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Camp C, Arnold J. On the non-innocence of “Nacnacs”: ligand-based reactivity in β-diketiminate supported coordination compounds. Dalton Trans 2016; 45:14462-98. [DOI: 10.1039/c6dt02013e] [Citation(s) in RCA: 133] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
While β-diketiminate (BDI or ‘nacnac’) ligands have been widely adopted to stabilize a wide range of metal ions in multiple oxidation states and coordination numbers, in several occurrences these ligands do not behave as spectators and participate in reactivity.
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Affiliation(s)
- Clément Camp
- Univ Lyon
- CNRS, ESCPE Lyon
- Université Claude Bernard Lyon 1
- C2P2 UMR 5265
- F-69616 Villeurbanne
| | - John Arnold
- Department of Chemistry
- University of California
- Berkeley
- USA
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9
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Hänninen MM, Zamora MT, Hayes PG. Rare Earth Pincer Complexes: Synthesis, Reaction Chemistry, and Catalysis. TOP ORGANOMETAL CHEM 2015. [DOI: 10.1007/3418_2015_120] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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10
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Schädle D, Enders M, Schädle C, Maichle-Mössmer C, Törnroos KW, Anwander R. Reactivity of halfsandwich rare-earth metal methylaluminates toward potassium (2,4,6-tri-tert-butylphenyl)amide and 1-adamantylamine. NEW J CHEM 2015. [DOI: 10.1039/c5nj00800j] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Donor functionalities drastically affect salt-metathetical methylaluminato–amido exchange reactions in CpRLn(AlMe4)2 by triggering methylaluminate cleavage and C–H bond activation of proximal aliphatic groups.
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Affiliation(s)
- Dorothea Schädle
- Institut für Anorganische Chemie
- Universität Tübingen
- D-72076 Tübingen
- Germany
| | - Markus Enders
- Anorganisch-Chemisches Institut
- Universität Heidelberg
- D-69120 Heidelberg
- Germany
| | - Christoph Schädle
- Institut für Anorganische Chemie
- Universität Tübingen
- D-72076 Tübingen
- Germany
| | | | | | - Reiner Anwander
- Institut für Anorganische Chemie
- Universität Tübingen
- D-72076 Tübingen
- Germany
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11
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Schädle D, Maichle-Mössmer C, Schädle C, Anwander R. Rare-Earth-Metal Methyl, Amide, and Imide Complexes Supported by a Superbulky Scorpionate Ligand. Chemistry 2014; 21:662-70. [DOI: 10.1002/chem.201404792] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2014] [Indexed: 11/07/2022]
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12
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Synthesis, characterization of cationic half-sandwich scandium mono(silylamide) complexes and their unexpected reactivity toward C–Cl σ bond activation of chlorobenzene. J Organomet Chem 2014. [DOI: 10.1016/j.jorganchem.2014.07.022] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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13
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Hamidi S, Jende LN, Martin Dietrich H, Maichle-Mössmer C, Törnroos KW, Deacon GB, Junk PC, Anwander R. C–H Bond Activation and Isoprene Polymerization by Rare-Earth-Metal Tetramethylaluminate Complexes Bearing Formamidinato N-Ancillary Ligands. Organometallics 2013. [DOI: 10.1021/om301010m] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/20/2023]
Affiliation(s)
- Shima Hamidi
- School
of Chemistry, Monash University, 3800 Clayton, Victoria, Australia
| | - Lars N. Jende
- Institut für Anorganische
Chemie, Universität Tübingen, Auf der Morgenstelle 18, D-72076 Tübingen, Germany
| | - H. Martin Dietrich
- Institut für Anorganische
Chemie, Universität Tübingen, Auf der Morgenstelle 18, D-72076 Tübingen, Germany
| | - Cäcilia Maichle-Mössmer
- Institut für Anorganische
Chemie, Universität Tübingen, Auf der Morgenstelle 18, D-72076 Tübingen, Germany
| | - Karl W. Törnroos
- Department of Chemistry, University of Bergen, Allégaten 41, N-5007 Bergen, Norway
| | - Glen B. Deacon
- School
of Chemistry, Monash University, 3800 Clayton, Victoria, Australia
| | - Peter C. Junk
- School of Pharmacy & Molecular Sciences, James Cook University, Townsville, Queensland 4811, Australia
| | - Reiner Anwander
- Institut für Anorganische
Chemie, Universität Tübingen, Auf der Morgenstelle 18, D-72076 Tübingen, Germany
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14
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Wicker BF, Fan H, Hickey AK, Crestani MG, Scott J, Pink M, Mindiola DJ. Evidence for the Existence of Terminal Scandium Imidos: Mechanistic Studies Involving Imido–Scandium Bond Formation and C–H Activation Reactions. J Am Chem Soc 2012; 134:20081-96. [DOI: 10.1021/ja307279r] [Citation(s) in RCA: 63] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Benjamin F. Wicker
- Department of Chemistry, Indiana University, Bloomington, Indiana 47405, United
States
| | - Hongjun Fan
- Department of Chemistry, Indiana University, Bloomington, Indiana 47405, United
States
| | - Anne K. Hickey
- Department of Chemistry, Indiana University, Bloomington, Indiana 47405, United
States
| | - Marco G. Crestani
- Department of Chemistry, Indiana University, Bloomington, Indiana 47405, United
States
| | - Jennifer Scott
- Department of Chemistry, Indiana University, Bloomington, Indiana 47405, United
States
| | - Maren Pink
- Department of Chemistry, Indiana University, Bloomington, Indiana 47405, United
States
| | - Daniel J. Mindiola
- Department of Chemistry, Indiana University, Bloomington, Indiana 47405, United
States
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15
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Chu T, Piers WE, Dutton JL, Parvez M. Synthesis and Reactivity of a Terminal Scandium Imido Complex. Organometallics 2012. [DOI: 10.1021/om300913d] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Terry Chu
- Department of Chemistry, University of Calgary, 2500 University
Drive NW, Calgary, Alberta, Canada T2N 1N4
| | - Warren E. Piers
- Department of Chemistry, University of Calgary, 2500 University
Drive NW, Calgary, Alberta, Canada T2N 1N4
| | - Jason L. Dutton
- Department of Chemistry, University of Calgary, 2500 University
Drive NW, Calgary, Alberta, Canada T2N 1N4
| | - Masood Parvez
- Department of Chemistry, University of Calgary, 2500 University
Drive NW, Calgary, Alberta, Canada T2N 1N4
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16
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Schädle D, Schädle C, Törnroos KW, Anwander R. Organoaluminum-Assisted Formation of Rare-Earth Metal Imide Complexes. Organometallics 2012. [DOI: 10.1021/om300443x] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Dorothea Schädle
- Institut für Anorganische
Chemie, Universität Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany
| | - Christoph Schädle
- Institut für Anorganische
Chemie, Universität Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany
| | - Karl W. Törnroos
- Department of Chemistry, University of Bergen, Allégaten 41, 5007 Bergen,
Norway
| | - Reiner Anwander
- Institut für Anorganische
Chemie, Universität Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany
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17
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Zhu X, Wang S, Zhou S, Wei Y, Zhang L, Wang F, Feng Z, Guo L, Mu X. Lanthanide Amido Complexes Incorporating Amino-Coordinate-Lithium Bridged Bis(indolyl) Ligands: Synthesis, Characterization, and Catalysis for Hydrophosphonylation of Aldehydes and Aldimines. Inorg Chem 2012; 51:7134-43. [DOI: 10.1021/ic300137r] [Citation(s) in RCA: 50] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Affiliation(s)
- Xiancui Zhu
- Laboratory of Functionalized
Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-Based
Materials, Institute of Organic Chemistry, School of Chemistry and
Materials Science, Anhui Normal University, Wuhu, Anhui 241000, People’s Republic of China
| | - Shaowu Wang
- Laboratory of Functionalized
Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-Based
Materials, Institute of Organic Chemistry, School of Chemistry and
Materials Science, Anhui Normal University, Wuhu, Anhui 241000, People’s Republic of China
- State Key Laboratory
of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai
200032, People’s Republic of China
| | - Shuangliu Zhou
- Laboratory of Functionalized
Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-Based
Materials, Institute of Organic Chemistry, School of Chemistry and
Materials Science, Anhui Normal University, Wuhu, Anhui 241000, People’s Republic of China
| | - Yun Wei
- Laboratory of Functionalized
Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-Based
Materials, Institute of Organic Chemistry, School of Chemistry and
Materials Science, Anhui Normal University, Wuhu, Anhui 241000, People’s Republic of China
| | - Lijun Zhang
- Laboratory of Functionalized
Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-Based
Materials, Institute of Organic Chemistry, School of Chemistry and
Materials Science, Anhui Normal University, Wuhu, Anhui 241000, People’s Republic of China
| | - Fenhua Wang
- Laboratory of Functionalized
Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-Based
Materials, Institute of Organic Chemistry, School of Chemistry and
Materials Science, Anhui Normal University, Wuhu, Anhui 241000, People’s Republic of China
| | - Zhijun Feng
- Laboratory of Functionalized
Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-Based
Materials, Institute of Organic Chemistry, School of Chemistry and
Materials Science, Anhui Normal University, Wuhu, Anhui 241000, People’s Republic of China
| | | | - Xiaolong Mu
- Laboratory of Functionalized
Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-Based
Materials, Institute of Organic Chemistry, School of Chemistry and
Materials Science, Anhui Normal University, Wuhu, Anhui 241000, People’s Republic of China
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18
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Trambitas AG, Melcher D, Hartenstein L, Roesky PW, Daniliuc C, Jones PG, Tamm M. Bis(imidazolin-2-iminato) Rare Earth Metal Complexes: Synthesis, Structural Characterization, and Catalytic Application. Inorg Chem 2012; 51:6753-61. [DOI: 10.1021/ic300407u] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Alexandra G. Trambitas
- Institut für
Anorganische
und Analytische Chemie, Technische Universität Braunschweig, Hagenring 30, 38106 Braunschweig, Germany
| | - Daniel Melcher
- Institut für
Anorganische
und Analytische Chemie, Technische Universität Braunschweig, Hagenring 30, 38106 Braunschweig, Germany
| | - Larissa Hartenstein
- Institut für Anorganische
Chemie, Karlsruher Institut für Technologie (KIT), Engesserstr. 15, 76128 Karlsruhe, Germany
| | - Peter W. Roesky
- Institut für Anorganische
Chemie, Karlsruher Institut für Technologie (KIT), Engesserstr. 15, 76128 Karlsruhe, Germany
| | - Constantin Daniliuc
- Institut für
Anorganische
und Analytische Chemie, Technische Universität Braunschweig, Hagenring 30, 38106 Braunschweig, Germany
| | - Peter G. Jones
- Institut für
Anorganische
und Analytische Chemie, Technische Universität Braunschweig, Hagenring 30, 38106 Braunschweig, Germany
| | - Matthias Tamm
- Institut für
Anorganische
und Analytische Chemie, Technische Universität Braunschweig, Hagenring 30, 38106 Braunschweig, Germany
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19
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Han F, Teng Q, Zhang Y, Wang Y, Shen Q. Influence of Schiff base and lanthanide metals on the synthesis, stability, and reactivity of monoamido lanthanide complexes bearing two Schiff bases. Inorg Chem 2011; 50:2634-43. [PMID: 21319780 DOI: 10.1021/ic102529d] [Citation(s) in RCA: 59] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
The monoamido lanthanide complexes stabilized by Schiff base ligand L(2)LnN(TMS)(2) (L = 3,5-Bu(t)(2)-2-(O)-C(6)H(2)CH═N-8-C(9)H(6)N, Ln = Yb (1), Y (2), Eu (3), Nd (4), and La (5)) were synthesized in good yields by the reactions of Ln[N(TMS)(2)](3) with 1.8 equiv of HL in hexane at room temperature. It was found that the stability of 1-5 depends greatly on the size of the lanthanide metals with the increasing trend of Yb ≈ Y < Nd < La. The amine elimination of Ln[N(TMS)(2)](3) with the bulky bidentate Schiff base HL' (L' = 3,5-Bu(t)(2)-2-(O)-C(6)H(2)CH═N-2,6-Pr(i)(2)-C(6)H(3)) afforded the monoamido lanthanide complexes L'(2)LnN(TMS)(2) (Ln = Yb (9), Y (10), Nd (11), and La (12)). While the amine elimination with the less bulky Schiff base HL'' (L'' = 3,5-Bu(t)(2)-2-(O)-C(6)H(2)CH═N-2,6-Me(2)-C(6)H(3)) yielded the desired monoamido complexes with the small metals of Y and Yb, L''(2)LnN(TMS)(2) (Ln = Yb (13) and Y (14)), and the more stable tris-Schiff base complexes with the large metals of La and Nd, yielded L''(3)Ln as the only product. Complexes 1-14 were fully characterized including X-ray crystal structural analysis. Complexes 1-5, 10, and 14 can serve as the efficient catalysts for addition of amines to carbodiimides, and the catalytic activity is greatly affected by the lanthanide metals with the active sequence of Yb < Y < Eu ≈ Nd ≈ La.
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Affiliation(s)
- Fubin Han
- Key Laboratory of Organic Synthesis of Jiangsu Province, Department of Chemistry and Chemical Engineering, Dushu Lake Campus, Soochow University, Suzhou 215123, People's Republic of China
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20
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Trambitas AG, Yang J, Melcher D, Daniliuc CG, Jones PG, Xie Z, Tamm M. Synthesis and Structure of Rare-Earth-Metal Dicarbollide Complexes with an Imidazolin-2-iminato Ligand Featuring Very Short Metal−Nitrogen Bonds. Organometallics 2011. [DOI: 10.1021/om1011243] [Citation(s) in RCA: 59] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Alexandra G. Trambitas
- Institut für Anorganische und Analytische Chemie, Technische Universität Braunschweig, Hagenring 30, 38106 Braunschweig, Germany
| | - Jingying Yang
- Department of Chemistry, The Chinese University of Hong Kong, Shatin NT, Hong Kong, People's Republic of China
| | - Daniel Melcher
- Institut für Anorganische und Analytische Chemie, Technische Universität Braunschweig, Hagenring 30, 38106 Braunschweig, Germany
| | - Constantin G. Daniliuc
- Institut für Anorganische und Analytische Chemie, Technische Universität Braunschweig, Hagenring 30, 38106 Braunschweig, Germany
| | - Peter G. Jones
- Institut für Anorganische und Analytische Chemie, Technische Universität Braunschweig, Hagenring 30, 38106 Braunschweig, Germany
| | - Zuowei Xie
- Department of Chemistry, The Chinese University of Hong Kong, Shatin NT, Hong Kong, People's Republic of China
| | - Matthias Tamm
- Institut für Anorganische und Analytische Chemie, Technische Universität Braunschweig, Hagenring 30, 38106 Braunschweig, Germany
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21
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Johnson KRD, Hayes PG. Kinetic and Mechanistic Investigation of Metallacycle Ring Opening in an Ortho-Metalated Lutetium Aryl Complex. Organometallics 2010. [DOI: 10.1021/om100814h] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Kevin R. D. Johnson
- Department of Chemistry and Biochemistry, University of Lethbridge, 4401 University Drive, Lethbridge, Alberta, Canada T1K 3M4
| | - Paul G. Hayes
- Department of Chemistry and Biochemistry, University of Lethbridge, 4401 University Drive, Lethbridge, Alberta, Canada T1K 3M4
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22
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Johnson KR, Côté AP, Hayes PG. Four-coordinate erbium organometallic and coordination complexes: Synthesis and structure. J Organomet Chem 2010. [DOI: 10.1016/j.jorganchem.2010.07.033] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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23
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Trambitas A, Panda T, Tamm M. Rare Earth Metal Complexes Supported by Ancillary Imidazolin-2-iminato Ligands. Z Anorg Allg Chem 2010. [DOI: 10.1002/zaac.201000224] [Citation(s) in RCA: 62] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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24
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Kempe R. Rare Earth Polymerization Catalysts Supported by Bulky Aminopyridinato Ligands. Z Anorg Allg Chem 2010. [DOI: 10.1002/zaac.201000195] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Kaneko H, Tsurugi H, Panda TK, Mashima K. Intramolecular Alkylation of α-Diimine Ligands Giving Amido—Imino and Diamido Scandium and Yttrium Complexes as Catalysts for Intramolecular Hydroamination/Cyclization. Organometallics 2010. [DOI: 10.1021/om1002667] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Hiroshi Kaneko
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
| | - Hayato Tsurugi
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
| | - Tarun K. Panda
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
| | - Kazushi Mashima
- Department of Chemistry, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
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26
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Jiao R, Xue M, Shen X, Zhang Y, Yao Y, Shen Q. A Comparative Study on the Reactivity of Tris-β-Diketiminate Ytterbium Complexes: Steric Effect of β-Diketiminato Ligands. Eur J Inorg Chem 2010. [DOI: 10.1002/ejic.201000156] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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27
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Trambitas AG, Panda TK, Jenter J, Roesky PW, Daniliuc C, Hrib CG, Jones PG, Tamm M. Rare-Earth Metal Alkyl, Amido, and Cyclopentadienyl Complexes Supported by Imidazolin-2-iminato Ligands: Synthesis, Structural Characterization, and Catalytic Application. Inorg Chem 2010; 49:2435-46. [DOI: 10.1021/ic9024052] [Citation(s) in RCA: 103] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Alexandra G. Trambitas
- Institut für Anorganische und Analytische Chemie, Technische Universität Carolo-Wilhelmina, Hagenring 30, 38106 Braunschweig, Germany
| | - Tarun K. Panda
- Institut für Anorganische und Analytische Chemie, Technische Universität Carolo-Wilhelmina, Hagenring 30, 38106 Braunschweig, Germany
| | - Jelena Jenter
- Institut für Anorganische Chemie, Karlsruher Institut für Technologie (KIT), Engesserstrasse 15, 76128 Karlsruhe, Germany
| | - Peter W. Roesky
- Institut für Anorganische Chemie, Karlsruher Institut für Technologie (KIT), Engesserstrasse 15, 76128 Karlsruhe, Germany
| | - Constantin Daniliuc
- Institut für Anorganische und Analytische Chemie, Technische Universität Carolo-Wilhelmina, Hagenring 30, 38106 Braunschweig, Germany
| | - Cristian G. Hrib
- Institut für Anorganische und Analytische Chemie, Technische Universität Carolo-Wilhelmina, Hagenring 30, 38106 Braunschweig, Germany
| | - Peter G. Jones
- Institut für Anorganische und Analytische Chemie, Technische Universität Carolo-Wilhelmina, Hagenring 30, 38106 Braunschweig, Germany
| | - Matthias Tamm
- Institut für Anorganische und Analytische Chemie, Technische Universität Carolo-Wilhelmina, Hagenring 30, 38106 Braunschweig, Germany
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28
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Qayyum S, Skvortsov GG, Fukin GK, Trifonov AA, Kretschmer WP, Döring C, Kempe R. Intramolecular C–H Bond Activation by Lanthanoid Complexes Bearing a Bulky Aminopyridinato Ligand. Eur J Inorg Chem 2010. [DOI: 10.1002/ejic.200900723] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Sadaf Qayyum
- Lehrstuhl Anorganische Chemie II, Universität Bayreuth, 95440 Bayreuth, Germany, Fax: +49‐921552157
| | - Grigorii G. Skvortsov
- G. A. Razuvaev Institute of Organometallic Chemistry of the Russian Academy of Sciences, Tropinina 49, GSP‐445, 603950 Nizhny Novgorod, Russian Federation
| | - Georgii K. Fukin
- G. A. Razuvaev Institute of Organometallic Chemistry of the Russian Academy of Sciences, Tropinina 49, GSP‐445, 603950 Nizhny Novgorod, Russian Federation
| | - Alexander A. Trifonov
- G. A. Razuvaev Institute of Organometallic Chemistry of the Russian Academy of Sciences, Tropinina 49, GSP‐445, 603950 Nizhny Novgorod, Russian Federation
| | - Winfried P. Kretschmer
- Lehrstuhl Anorganische Chemie II, Universität Bayreuth, 95440 Bayreuth, Germany, Fax: +49‐921552157
| | - Christian Döring
- Lehrstuhl Anorganische Chemie II, Universität Bayreuth, 95440 Bayreuth, Germany, Fax: +49‐921552157
| | - Rhett Kempe
- Lehrstuhl Anorganische Chemie II, Universität Bayreuth, 95440 Bayreuth, Germany, Fax: +49‐921552157
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29
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Conroy KD, Piers WE, Parvez M. Nucleophilic Degradation of a β-Diketiminato Ancillary by a Transient Scandium Hydride Intermediate. Organometallics 2009. [DOI: 10.1021/om900700d] [Citation(s) in RCA: 49] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Korey D. Conroy
- University of Calgary, 2500 University Drive N.W., Calgary, Canada, T2N 1N4
| | - Warren E. Piers
- University of Calgary, 2500 University Drive N.W., Calgary, Canada, T2N 1N4
| | - Masood Parvez
- University of Calgary, 2500 University Drive N.W., Calgary, Canada, T2N 1N4
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30
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Adhikari D, Basuli F, Orlando JH, Gao X, Huffman JC, Pink M, Mindiola DJ. Zwitterionic and Cationic Titanium and Vanadium Complexes Having Terminal M−C Multiple Bonds. The Role of the β-Diketiminate Ligand in Formation of Charge-Separated Species. Organometallics 2009. [DOI: 10.1021/om900115v] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Debashis Adhikari
- Molecular Structure Center and the Department of Chemistry, Indiana University, Bloomington, Indiana 47405
| | | | - Justin H. Orlando
- Molecular Structure Center and the Department of Chemistry, Indiana University, Bloomington, Indiana 47405
| | - Xinfeng Gao
- Molecular Structure Center and the Department of Chemistry, Indiana University, Bloomington, Indiana 47405
| | - John C. Huffman
- Molecular Structure Center and the Department of Chemistry, Indiana University, Bloomington, Indiana 47405
| | - Maren Pink
- Molecular Structure Center and the Department of Chemistry, Indiana University, Bloomington, Indiana 47405
| | - Daniel J. Mindiola
- Molecular Structure Center and the Department of Chemistry, Indiana University, Bloomington, Indiana 47405
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31
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Kenward AL, Ross JA, Piers WE, Parvez M. Metalation-Resistant β-Diketiminato Ligands for Thermally Robust Organoscandium Complexes. Organometallics 2009. [DOI: 10.1021/om900283s] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Alyson L. Kenward
- University of Calgary, 2500 University Drive N.W., Calgary, Canada, T2N 1N4
| | - Jennifer A. Ross
- University of Calgary, 2500 University Drive N.W., Calgary, Canada, T2N 1N4
| | - Warren E. Piers
- University of Calgary, 2500 University Drive N.W., Calgary, Canada, T2N 1N4
| | - Masood Parvez
- University of Calgary, 2500 University Drive N.W., Calgary, Canada, T2N 1N4
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32
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Edelmann FT. Lanthanides and actinides: Annual survey of their organometallic chemistry covering the year 2006. Coord Chem Rev 2009. [DOI: 10.1016/j.ccr.2008.03.003] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
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Hitchcock PB, Khvostov AV, Lappert MF, Protchenko AV. Heteroleptic ytterbium(ii) complexes supported by a bulky β-diketiminato ligand. Dalton Trans 2009:2383-91. [DOI: 10.1039/b818969b] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Scott J, Basuli F, Fout A, Huffman J, Mindiola D. Evidence for the Existence of a Terminal Imidoscandium Compound: Intermolecular CH Activation and Complexation Reactions with the Transient ScNAr Species. Angew Chem Int Ed Engl 2008; 47:8502-5. [DOI: 10.1002/anie.200803325] [Citation(s) in RCA: 120] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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35
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Scott J, Basuli F, Fout A, Huffman J, Mindiola D. Evidence for the Existence of a Terminal Imidoscandium Compound: Intermolecular CH Activation and Complexation Reactions with the Transient ScNAr Species. Angew Chem Int Ed Engl 2008. [DOI: 10.1002/ange.200803325] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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36
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Robert D, Spaniol TP, Okuda J. Neutral and Monocationic Half-Sandwich Methyl Rare-Earth Metal Complexes: Synthesis, Structure, and 1,3-Butadiene Polymerization Catalysis. Eur J Inorg Chem 2008. [DOI: 10.1002/ejic.200800040] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Cho HG, Andrews L. Methane and methyl halide activation by Sc atoms: Infrared spectra and DFT calculations for the CH3–ScX and CH2–ScHX complexes. Inorganica Chim Acta 2008. [DOI: 10.1016/j.ica.2007.05.052] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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39
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Zimmermann M, Estler F, Herdtweck E, Törnroos KW, Anwander R. Distinct C−H Bond Activation Pathways in Diamido-Pyridine-Supported Rare-Earth Metal Hydrocarbyl Complexes. Organometallics 2007. [DOI: 10.1021/om700830k] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Melanie Zimmermann
- Department of Chemistry, University of Bergen, Allégaten 41, N-5007, Bergen, Norway, and Department Chemie, Lehrstuhl für Anorganische Chemie, Technische Universität München, Lichtenbergstrasse 4, D-85747 Garching bei München, Germany
| | - Frank Estler
- Department of Chemistry, University of Bergen, Allégaten 41, N-5007, Bergen, Norway, and Department Chemie, Lehrstuhl für Anorganische Chemie, Technische Universität München, Lichtenbergstrasse 4, D-85747 Garching bei München, Germany
| | - Eberhardt Herdtweck
- Department of Chemistry, University of Bergen, Allégaten 41, N-5007, Bergen, Norway, and Department Chemie, Lehrstuhl für Anorganische Chemie, Technische Universität München, Lichtenbergstrasse 4, D-85747 Garching bei München, Germany
| | - Karl W. Törnroos
- Department of Chemistry, University of Bergen, Allégaten 41, N-5007, Bergen, Norway, and Department Chemie, Lehrstuhl für Anorganische Chemie, Technische Universität München, Lichtenbergstrasse 4, D-85747 Garching bei München, Germany
| | - Reiner Anwander
- Department of Chemistry, University of Bergen, Allégaten 41, N-5007, Bergen, Norway, and Department Chemie, Lehrstuhl für Anorganische Chemie, Technische Universität München, Lichtenbergstrasse 4, D-85747 Garching bei München, Germany
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40
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Liddle ST, Arnold PL. Synthesis and characterisation of yttrium complexes supported by the β-diketiminate ligand {ArNC(CH3)CHC(CH3)NAr}– (Ar = 2,6-Pri2C6H3). Dalton Trans 2007:3305-13. [PMID: 17893777 DOI: 10.1039/b706971e] [Citation(s) in RCA: 54] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Reaction of YI(3)(THF)(3.5) with one equivalent of the potassium beta-diketiminate (BDI) complex [HC{C(CH(3))NAr}(2)K] (Ar = 2,6-Pr(i)(2)C(6)H(3)) affords the monomeric, mono-substituted yttrium BDI complex [HC{C(CH(3))NAr}(2)YI(2)(THF)] in good yield. Reaction of with DME affords [HC{C(CH(3))NAr}(2)YI(2)(DME)] in quantitative yield, which is monomeric also. Reaction of the primary terphenyl phosphane Ar*PH(2) (Ar* = 2,6-(2,4,6-Pr(i)(3)C(6)H(2))(2)C(6)H(3)) with potassium hydride, and recrystallisation from hexane, affords the potassium primary terphenyl phosphanide complex [{Ar*P(H)K(THF)}(2)] in high yield. Compound is dimeric in the solid state, constructed around a centrosymmetric K(2)P(2) four-membered ring, the coordination sphere of potassium is supplemented with an eta(6) K[dot dot dot]C(aryl) interaction. The reaction of with one molar equivalent of in THF affords the THF ring-opened compound [HC{C(CH(3))NAr}(2)Y{O(CH(2))(4)P(H)Ar*}(I)(THF)]. Compound is formed as a mixture of endo(OR) and exo(OR) isomers (: = approximately 2 : 1) which may be separated by fractional crystallisation from hexane-toluene to give pure . Attempted alkylation of with two equivalents of KCH(2)Si(CH(3))(3) affords the potassium yttriate complex [Y{micro-eta(5):eta(1)-ArNC(CH(3))[double bond, length as m-dash]CHC([double bond, length as m-dash]CH(2))NAr}(2)K(DME)(2)] in moderate yield; contains two dianionic dianilide ligands, which are derived from C-H activation of a backbone methyl group, each bonded eta(5) to yttrium in the solid state. The reaction of with one equivalent of KC(8) affords [{HC(C[CH(3)]NAr)(2)YI(micro-OCH(3))}(2)], derived from C-O bond activation of DME, as the only isolable product in very low yield. Compounds , , , , , and have been characterised by single crystal X-ray diffraction, NMR spectroscopy and CHN microanalyses.
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Affiliation(s)
- Stephen T Liddle
- School of Chemistry, University Park, University of Nottingham, Nottingham, UK
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41
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Reductive C–N bond cleavage of the NCCCN β-diketiminate backbone: A direct approach to azabutadienyl and alkylidene-anilide scaffolds. Inorganica Chim Acta 2007. [DOI: 10.1016/j.ica.2006.07.045] [Citation(s) in RCA: 31] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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42
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Cho HG, Andrews L. Methane Activation by Laser-Ablated Group 3 Metal Atoms: Infrared Spectra and Structures of the CH3−MH and CH2−MH2 Complexes. Organometallics 2006. [DOI: 10.1021/om060816u] [Citation(s) in RCA: 47] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Han-Gook Cho
- Department of Chemistry, University of Incheon, 177 Dohwa-dong, Nam-ku, Incheon, 402-749, South Korea, and Department of Chemistry, University of Virginia, P.O. Box 400319, Charlottesville, Virginia 22904-4319
| | - Lester Andrews
- Department of Chemistry, University of Incheon, 177 Dohwa-dong, Nam-ku, Incheon, 402-749, South Korea, and Department of Chemistry, University of Virginia, P.O. Box 400319, Charlottesville, Virginia 22904-4319
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