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Rina YA, Schmidt JAR. Alpha-metalated N, N-dimethylbenzylamine rare-earth metal complexes and their catalytic applications. Dalton Trans 2024. [PMID: 38757291 DOI: 10.1039/d4dt00826j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/18/2024]
Abstract
This perspective summarizes our group's extensive research in the realm of organometallic lanthanide complexes, while also placing the catalytic reactions supported by these species within the context of known lanthanide catalysis worldwide, with a specific focus on phosphorus-based catalytic reactions such as intermolecular hydrophosphination and hydrophosphinylation. α-Metalated N,N-dimethylbenzylamine ligands have been utilized to generate homoleptic lanthanide complexes, which have subsequently proven to be highly active lanthanum-based catalysts. The main goal of our research program has been to enhance the catalytic efficiency of lanthanum-based complexes, which began with initial successes in the stoichiometric synthesis of organometallic lanthanide complexes and utilization of these species in catalytic hydrophosphination reactions. Not only have these species supported traditional lanthanide catalysis, such as the hydrophosphination of heterocumulenes like carbodiimides, isocyanates, and isothiocyanates, but they have also been effective for a plethora of catalytic reactions tested thus far, including the hydrophosphinylation and hydrophosphorylation of nitriles, hydrophosphination and hydrophosphinylation of alkynes and alkenes, and the heterodehydrocoupling of silanes and amines. Each of these catalytic transformations is meritorious in its own right, offering new synthetic routes to generate organic scaffolds with enhanced functionality while concurrently minimizing both waste generation and energy consumption. Objectives: We aim for the research summary presented herein to inspire and encourage other researchers to investigate f-element based stoichiometric and catalytic reactions. Our efforts in this field began with the recognition that potassium salts of benzyldimethylamine preferred deprotonation at the α-position, rather than the ortho-position, and we wondered if this regiochemistry would be retained in the formation of lanthanide complexes. The pursuit of this simple idea led first to a series of structurally fascinating homoleptic organometallic lanthanide complexes with surprisingly good stability. Fundamental studies of the protonolysis chemistry of these complexes ultimately revealed highly versatile lanthanide-based precatalysts that have propelled a catalytic investigation spanning more than a decade. We anticipate that this summative perspective will animate the synthetic as well as biological communities to consider La(DMBA)3-based catalytic methods in the synthesis of functionalized organic scaffolds as an atom-economic, convenient, and efficient methodology. Ultimately, we envision our work making a positive impact on the advancement of novel chemical transformations and contributing to progress in various fields of science and technology.
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Affiliation(s)
- Yesmin Akter Rina
- Department of Chemistry & Biochemistry, School of Green Chemistry and Engineering, College of Natural Sciences and Mathematics, The University of Toledo, 2801 W. Bancroft St. MS 602, Toledo, Ohio 43606-3390, USA.
| | - Joseph A R Schmidt
- Department of Chemistry & Biochemistry, School of Green Chemistry and Engineering, College of Natural Sciences and Mathematics, The University of Toledo, 2801 W. Bancroft St. MS 602, Toledo, Ohio 43606-3390, USA.
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2
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Bernbeck M, Orlova AP, Hilgar JD, Gembicky M, Ozerov M, Rinehart JD. Dipolar Coupling as a Mechanism for Fine Control of Magnetic States in ErCOT-Alkyl Molecular Magnets. J Am Chem Soc 2024; 146:7243-7256. [PMID: 38456803 PMCID: PMC10958522 DOI: 10.1021/jacs.3c10412] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2023] [Revised: 02/13/2024] [Accepted: 02/14/2024] [Indexed: 03/09/2024]
Abstract
The design of molecular magnets has progressed greatly by taking advantage of the ability to impart successive perturbations and control vibronic transitions in 4fn systems through the careful manipulation of the crystal field. Herein, we control the orientation and rigidity of two dinuclear ErCOT-based molecular magnets: the inversion-symmetric bridged [ErCOT(μ-Me)(THF)]2 (2) and the nearly linear Li[(ErCOT)2(μ-Me)3] (3). The conserved anisotropy of the ErCOT synthetic unit facilitates the direction of the arrangement of its magnetic anisotropy for the purposes of generating controlled internal magnetic fields, improving control of the energetics and transition probabilities of the electronic angular momentum states with exchange biasing via dipolar coupling. This control is evidenced through the introduction of a second thermal barrier to relaxation operant at low temperatures that is twice as large in 3 as in 2. This barrier acts to suppress through-barrier relaxation by protecting the ground state from interacting with stray local fields while operating at an energy scale an order of magnitude smaller than the crystal field term. These properties are highlighted when contrasted against the mononuclear structure ErCOT(Bn)(THF)2 (1), in which quantum tunneling of the magnetization processes dominate, as demonstrated by magnetometry and ab initio computational methods. Furthermore, far-infrared magnetospectroscopy measurements reveal that the increased rigidity imparted by successive removal of solvent ligands when adding bridging methyl groups, along with the increased excited state purity, severely limits local spin-vibrational interactions that facilitate magnetic relaxation, manifesting as longer relaxation times in 3 relative to those in 2 as temperature is increased.
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Affiliation(s)
- Maximilian
G. Bernbeck
- Department
of Chemistry and Biochemistry, University
of California—San Diego, La Jolla, California 92093, United States
| | - Angelica P. Orlova
- Department
of Chemistry and Biochemistry, University
of California—San Diego, La Jolla, California 92093, United States
| | - Jeremy D. Hilgar
- Department
of Chemistry and Biochemistry, University
of California—San Diego, La Jolla, California 92093, United States
| | - Milan Gembicky
- Department
of Chemistry and Biochemistry, University
of California—San Diego, La Jolla, California 92093, United States
| | - Mykhaylo Ozerov
- National
High Magnetic Field Laboratory, Tallahassee, Florida 32310, United States
| | - Jeffrey D. Rinehart
- Department
of Chemistry and Biochemistry, University
of California—San Diego, La Jolla, California 92093, United States
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3
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Nuñez Bahena E, Schafer LL. From Stoichiometric to Catalytic E–H Functionalization by Non-Metallocene Zirconium Complexes─Recent Advances and Mechanistic Insights. ACS Catal 2022. [DOI: 10.1021/acscatal.2c04308] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Affiliation(s)
- Erick Nuñez Bahena
- Department of Chemistry, University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
| | - Laurel L. Schafer
- Department of Chemistry, University of British Columbia, Vancouver, British Columbia V6T 1Z1, Canada
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4
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Zhu X, Wang Z, Zha L, Zhang Y, Qi Y, Yuan Q, Zhou S, Wang S. Synthesis and Characterization of N, N, C and N, N, O Tridentate β-Diketiminato Rare-Earth Metal Alkyl Complexes and Their Catalytic Performances on the Dimerization of Aldehydes or Terminal Alkynes. Organometallics 2022. [DOI: 10.1021/acs.organomet.2c00081] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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, Wuhu, Anhui 241002, China
| | - Ziqian 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, Wuhu, Anhui 241002, China
| | - Ling Zha
- Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, Anhui 241002, China
| | - Yiwei 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, Wuhu, Anhui 241002, China
| | - Yawen Qi
- Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, Anhui 241002, China
| | - Qingbing Yuan
- Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecule-Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu, Anhui 241002, China
| | - 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, Wuhu, Anhui 241002, China
| | - 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, Wuhu, Anhui 241002, China
- Anhui Laboratory of Clean Catalytic Engineering, Anhui Laboratory of Functional Complexes for Materials Chemistry and Application, College of Chemical and Environmental Engineering, Anhui Polytechnic University, Wuhu, Anhui 241000, China
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5
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Xiong G, Tardif O, Nishiura M, Bingtao G, Hou Z. Synthesis and Structure Diversity of Half‐Sandwich Rare Earth Dialkynyl Complexes. Helv Chim Acta 2021. [DOI: 10.1002/hlca.202100197] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Gang Xiong
- Advanced Catalysis Research Group RIKEN Center for Sustainable Resource Science 2-1 Hirosawa Wako, Saitama 351-0198 Japan
| | - Olivier Tardif
- Organometallic Chemistry Laboratory RIKEN Cluster for Pioneering Research 2-1 Hirosawa Wako, Saitama 351-0198 Japan
| | - Masayoshi Nishiura
- Advanced Catalysis Research Group RIKEN Center for Sustainable Resource Science 2-1 Hirosawa Wako, Saitama 351-0198 Japan
- Organometallic Chemistry Laboratory RIKEN Cluster for Pioneering Research 2-1 Hirosawa Wako, Saitama 351-0198 Japan
| | - Guan Bingtao
- Organometallic Chemistry Laboratory RIKEN Cluster for Pioneering Research 2-1 Hirosawa Wako, Saitama 351-0198 Japan
| | - Zhaomin Hou
- Advanced Catalysis Research Group RIKEN Center for Sustainable Resource Science 2-1 Hirosawa Wako, Saitama 351-0198 Japan
- Organometallic Chemistry Laboratory RIKEN Cluster for Pioneering Research 2-1 Hirosawa Wako, Saitama 351-0198 Japan
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6
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Galiana-Cameo M, Borraz M, Zelenkova Y, Passarelli V, Lahoz FJ, Pérez-Torrente JJ, Oro LA, Di Giuseppe A, Castarlenas R. Rhodium(I)-NHC Complexes Bearing Bidentate Bis-Heteroatomic Acidato Ligands as gem-Selective Catalysts for Alkyne Dimerization. Chemistry 2020; 26:9598-9608. [PMID: 32374897 DOI: 10.1002/chem.202001584] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2020] [Revised: 04/24/2020] [Indexed: 02/06/2023]
Abstract
A series of Rh(κ2 -BHetA)(η2 -coe)(IPr) complexes bearing 1,3-bis-hetereoatomic acidato ligands (BHetA) including carboxylato (O,O), thioacetato (O,S), amidato (O,N), thioamidato (N,S), and amidinato (N,N), have been prepared by reaction of the dinuclear precursor [Rh(μ-Cl)(IPr)(η2 -coe)]2 with the corresponding anionic BHetA species. The RhI -NHC-BHetA compounds catalyze the dimerization of aryl alkynes, showing excellent selectivity for the head-to-tail enynes. Among them, the acetanilidato-based catalyst has shown an outstanding catalytic performance reaching unprecedented TOF levels of 2500 h-1 with complete selectivity for the gem-isomer. Investigation of the reaction mechanism supports a non-oxidative pathway in which the BHetA ligand behaves as proton shuttle through intermediate κ1 -HBHetA species. However, in the presence of pyridine as additive, the identification of the common RhIII H(C≡CPh)2 (IPr)(py)2 intermediate gives support for an alternative oxidative route.
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Affiliation(s)
- María Galiana-Cameo
- Departamento de Química Inorgánica-Instituto de, Síntesis Química y Catálisis Homogénea (ISQCH), Universidad de Zaragoza-CSIC, C/Pedro Cerbuna 12, CP., 50009, Zaragoza, Spain
| | - Marina Borraz
- Departamento de Química Inorgánica-Instituto de, Síntesis Química y Catálisis Homogénea (ISQCH), Universidad de Zaragoza-CSIC, C/Pedro Cerbuna 12, CP., 50009, Zaragoza, Spain
| | - Yaroslava Zelenkova
- Departamento de Química Inorgánica-Instituto de, Síntesis Química y Catálisis Homogénea (ISQCH), Universidad de Zaragoza-CSIC, C/Pedro Cerbuna 12, CP., 50009, Zaragoza, Spain
| | - Vincenzo Passarelli
- Departamento de Química Inorgánica-Instituto de, Síntesis Química y Catálisis Homogénea (ISQCH), Universidad de Zaragoza-CSIC, C/Pedro Cerbuna 12, CP., 50009, Zaragoza, Spain.,Centro Universitario de la Defensa, Ctra Huesca S/N, 50090, Zaragoza, Spain
| | - Fernando J Lahoz
- Departamento de Química Inorgánica-Instituto de, Síntesis Química y Catálisis Homogénea (ISQCH), Universidad de Zaragoza-CSIC, C/Pedro Cerbuna 12, CP., 50009, Zaragoza, Spain
| | - Jesús J Pérez-Torrente
- Departamento de Química Inorgánica-Instituto de, Síntesis Química y Catálisis Homogénea (ISQCH), Universidad de Zaragoza-CSIC, C/Pedro Cerbuna 12, CP., 50009, Zaragoza, Spain
| | - Luis A Oro
- Departamento de Química Inorgánica-Instituto de, Síntesis Química y Catálisis Homogénea (ISQCH), Universidad de Zaragoza-CSIC, C/Pedro Cerbuna 12, CP., 50009, Zaragoza, Spain
| | - Andrea Di Giuseppe
- Departamento de Química Inorgánica-Instituto de, Síntesis Química y Catálisis Homogénea (ISQCH), Universidad de Zaragoza-CSIC, C/Pedro Cerbuna 12, CP., 50009, Zaragoza, Spain
| | - Ricardo Castarlenas
- Departamento de Química Inorgánica-Instituto de, Síntesis Química y Catálisis Homogénea (ISQCH), Universidad de Zaragoza-CSIC, C/Pedro Cerbuna 12, CP., 50009, Zaragoza, Spain
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7
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Zhuang X, Chen JY, Yang Z, Jia M, Wu C, Liao RZ, Tung CH, Wang W. Sequential Transformation of Terminal Alkynes to 1,3-Dienes by a Cooperative Cobalt Pyridonate Catalyst. Organometallics 2019. [DOI: 10.1021/acs.organomet.9b00486] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Xuewen Zhuang
- Key Lab of Colloid and Interface Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, No. 27 South Shanda Road, Jinan 250100, People’s Republic of China
| | - Jia-Yi Chen
- School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, People’s Republic of China
| | - Zhuoyi Yang
- Key Lab of Colloid and Interface Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, No. 27 South Shanda Road, Jinan 250100, People’s Republic of China
| | - Mengjing Jia
- Key Lab of Colloid and Interface Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, No. 27 South Shanda Road, Jinan 250100, People’s Republic of China
| | - Chengjuan Wu
- Key Lab of Colloid and Interface Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, No. 27 South Shanda Road, Jinan 250100, People’s Republic of China
| | - Rong-Zhen Liao
- School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, 1037 Luoyu Road, Wuhan 430074, People’s Republic of China
| | - Chen-Ho Tung
- Key Lab of Colloid and Interface Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, No. 27 South Shanda Road, Jinan 250100, People’s Republic of China
| | - Wenguang Wang
- Key Lab of Colloid and Interface Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, No. 27 South Shanda Road, Jinan 250100, People’s Republic of China
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8
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Żak P, Bołt M, Dudziec B, Kubicki M. Synthesis of (E)-1,4-disilsesquioxylsubstituted but-1-en-3-ynes via platinum-catalyzed dimerization of ethynylsiloxysilsesquioxanes. Dalton Trans 2019; 48:2657-2663. [PMID: 30702739 DOI: 10.1039/c8dt05142a] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Abstract
A new platinum complex bearing bulky N-heterocyclic carbene ligand of the general formula [Pt(IPr*Ph)(dvtms)] (where IPr*Ph = 1,3-bis{2,4,6-tris(diphenylmethyl)phenyl}imidazol-2-ylidene, dvtms = divinyltetramethyldisiloxane) exhibits a high catalytic activity towards E-selective dimerization of ethynyl substituted siloxysilsesquioxanes. This process leads to a novel class of functionalized silsesquioxane derivatives, resembling their dumbbell-shaped silsesquioxane analogues.
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Affiliation(s)
- Patrycja Żak
- Department of Organometallic Chemistry, Faculty of Chemistry, Adam Mickiewicz University in Poznan, Umultowska 89B, 61-614 Poznan, Poland.
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9
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Ostrowska S, Szymaszek N, Pietraszuk C. Selective dimerization of terminal acetylenes in the presence of PEPPSI precatalysts and relative chloro- and hydroxo-bridged N -heterocyclic carbene palladium dimers. J Organomet Chem 2018. [DOI: 10.1016/j.jorganchem.2017.12.041] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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10
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Xu D, Sun Q, Quan Z, Wang X, Sun W. Cobalt-Catalyzed Dimerization and Homocoupling of Terminal Alkynes. ASIAN J ORG CHEM 2017. [DOI: 10.1002/ajoc.201700587] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Daqian Xu
- College of Chemistry and Chemical Engineering; Northwest Normal University; Lanzhou 730070 Gansu China
| | - Qiangsheng Sun
- State Key Laboratory for Oxo Synthesis and Selective Oxidation; Chinese Academy of Sciences; Lanzhou 730000 China
| | - Zhengjun Quan
- College of Chemistry and Chemical Engineering; Northwest Normal University; Lanzhou 730070 Gansu China
| | - Xicun Wang
- College of Chemistry and Chemical Engineering; Northwest Normal University; Lanzhou 730070 Gansu China
| | - Wei Sun
- State Key Laboratory for Oxo Synthesis and Selective Oxidation; Chinese Academy of Sciences; Lanzhou 730000 China
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11
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Żak P, Bołt M, Lorkowski J, Kubicki M, Pietraszuk C. Platinum Complexes Bearing Bulky N-Heterocyclic Carbene Ligands as Efficient Catalysts for the Fully Selective Dimerization of Terminal Alkynes. ChemCatChem 2017. [DOI: 10.1002/cctc.201700580] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Patrycja Żak
- Faculty of Chemistry, Department of Organometallic Chemistry; Adam Mickiewicz University in Poznan; Umultowska 89b 61-614 Poznan Poland
| | - Małgorzata Bołt
- Faculty of Chemistry, Department of Organometallic Chemistry; Adam Mickiewicz University in Poznan; Umultowska 89b 61-614 Poznan Poland
| | - Jan Lorkowski
- Faculty of Chemistry, Department of Organometallic Chemistry; Adam Mickiewicz University in Poznan; Umultowska 89b 61-614 Poznan Poland
| | - Maciej Kubicki
- Faculty of Chemistry, Department of Organometallic Chemistry; Adam Mickiewicz University in Poznan; Umultowska 89b 61-614 Poznan Poland
| | - Cezary Pietraszuk
- Faculty of Chemistry, Department of Organometallic Chemistry; Adam Mickiewicz University in Poznan; Umultowska 89b 61-614 Poznan Poland
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12
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Adams F, Machat MR, Altenbuchner PT, Ehrmaier J, Pöthig A, Karsili TNV, Rieger B. Toolbox of Nonmetallocene Lanthanides: Multifunctional Catalysts in Group-Transfer Polymerization. Inorg Chem 2017; 56:9754-9764. [DOI: 10.1021/acs.inorgchem.7b01261] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Friederike Adams
- WACKER-Lehrstuhl für Makromolekulare Chemie, §Chair of Theoretical Chemistry, and ‡Department Chemie & Catalysis Research Center, Technische Universität München, 85748 Garching bei München, Germany
| | - Martin R. Machat
- WACKER-Lehrstuhl für Makromolekulare Chemie, §Chair of Theoretical Chemistry, and ‡Department Chemie & Catalysis Research Center, Technische Universität München, 85748 Garching bei München, Germany
| | - Peter T. Altenbuchner
- WACKER-Lehrstuhl für Makromolekulare Chemie, §Chair of Theoretical Chemistry, and ‡Department Chemie & Catalysis Research Center, Technische Universität München, 85748 Garching bei München, Germany
| | - Johannes Ehrmaier
- WACKER-Lehrstuhl für Makromolekulare Chemie, §Chair of Theoretical Chemistry, and ‡Department Chemie & Catalysis Research Center, Technische Universität München, 85748 Garching bei München, Germany
| | - Alexander Pöthig
- WACKER-Lehrstuhl für Makromolekulare Chemie, §Chair of Theoretical Chemistry, and ‡Department Chemie & Catalysis Research Center, Technische Universität München, 85748 Garching bei München, Germany
| | - Tolga N. V. Karsili
- WACKER-Lehrstuhl für Makromolekulare Chemie, §Chair of Theoretical Chemistry, and ‡Department Chemie & Catalysis Research Center, Technische Universität München, 85748 Garching bei München, Germany
| | - Bernhard Rieger
- WACKER-Lehrstuhl für Makromolekulare Chemie, §Chair of Theoretical Chemistry, and ‡Department Chemie & Catalysis Research Center, Technische Universität München, 85748 Garching bei München, Germany
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13
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Trifonov AA, Lyubov DM. A quarter-century long story of bis(alkyl) rare-earth (III) complexes. Coord Chem Rev 2017. [DOI: 10.1016/j.ccr.2016.09.013] [Citation(s) in RCA: 76] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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14
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Kiyota S, Soeta H, Komine N, Komiya S, Hirano M. E-Selective dimerization of phenylacetylene catalyzed by cationic tris(μ-hydroxo)diruthenium(II) complex and the mechanistic insight: The role of two ruthenium centers in catalysis. ACTA ACUST UNITED AC 2017. [DOI: 10.1016/j.molcata.2016.08.027] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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15
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Pieper M, Lamm JH, Neumann B, Stammler HG, Mitzel NW. Methylene-bridged, intramolecular donor–acceptor systems based on rare-earth metals and phosphinomethanides. Dalton Trans 2017; 46:5326-5336. [DOI: 10.1039/c7dt00554g] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Geminally bonded intramolecular Lewis-pairs based on rare-earth metal phosphinomethanides were prepared, characterized and tested for their reactivity towards H2, CO2and alkynes.
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Affiliation(s)
- Martin Pieper
- Fakultät für Chemie
- Lehrstuhl für Anorganische Chemie und Strukturchemie (ACS)
- Centrum für molekulare Materialen CM2
- Universität Bielefeld
- D-33615 Bielefeld
| | - Jan-Hendrik Lamm
- Fakultät für Chemie
- Lehrstuhl für Anorganische Chemie und Strukturchemie (ACS)
- Centrum für molekulare Materialen CM2
- Universität Bielefeld
- D-33615 Bielefeld
| | - Beate Neumann
- Fakultät für Chemie
- Lehrstuhl für Anorganische Chemie und Strukturchemie (ACS)
- Centrum für molekulare Materialen CM2
- Universität Bielefeld
- D-33615 Bielefeld
| | - Hans-Georg Stammler
- Fakultät für Chemie
- Lehrstuhl für Anorganische Chemie und Strukturchemie (ACS)
- Centrum für molekulare Materialen CM2
- Universität Bielefeld
- D-33615 Bielefeld
| | - Norbert W. Mitzel
- Fakultät für Chemie
- Lehrstuhl für Anorganische Chemie und Strukturchemie (ACS)
- Centrum für molekulare Materialen CM2
- Universität Bielefeld
- D-33615 Bielefeld
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16
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Asymmetric Assisted Tandem Catalysis: Hydroamination followed by Asymmetric Friedel-Crafts Reaction from a Single ChiralN,N,N′,N′-Tetradentate Pyridylmethylamine-Based Ligand. ChemCatChem 2016. [DOI: 10.1002/cctc.201600604] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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17
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Zhang H, Bao X. Computational insight into the mechanism of the Pd(0)–Brønsted acid cooperatively catalysed head-to-tail dimerization of terminal alkynes. RSC Adv 2015. [DOI: 10.1039/c5ra14086b] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
The Pd(0)–Brønsted acid cooperatively catalysed head-to-tail dimerization of terminal alkynes was computationally studied to gain a mechanistic insight.
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Affiliation(s)
- Hao Zhang
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou
- China
| | - Xiaoguang Bao
- College of Chemistry
- Chemical Engineering and Materials Science
- Soochow University
- Suzhou
- China
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18
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Fischer R, Bode S, Köhler M, Langer J, Görls H, Hager MD, Schubert US, Westerhausen M. Homoleptic Tris(α,ω-alkanediyl)yttriates of the Type [{Li(dme)}3{Y(CH2-X-CH2)3}] (X = C2H4, C3H6, Si(CH3)2). Organometallics 2014. [DOI: 10.1021/om500686c] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Affiliation(s)
- Reinald Fischer
- Institute
of Inorganic and Analytical Chemistry (IAAC), Friedrich Schiller University Jena, Humboldtstr. 8, 07743 Jena, Germany
| | - Stefan Bode
- Laboratory
of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstr. 10, 07743 Jena, Germany
- Jena
Center for Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743 Jena, Germany
| | - Mathias Köhler
- Institute
of Inorganic and Analytical Chemistry (IAAC), Friedrich Schiller University Jena, Humboldtstr. 8, 07743 Jena, Germany
| | - Jens Langer
- Institute
of Inorganic and Analytical Chemistry (IAAC), Friedrich Schiller University Jena, Humboldtstr. 8, 07743 Jena, Germany
| | - Helmar Görls
- Institute
of Inorganic and Analytical Chemistry (IAAC), Friedrich Schiller University Jena, Humboldtstr. 8, 07743 Jena, Germany
| | - Martin D. Hager
- Laboratory
of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstr. 10, 07743 Jena, Germany
- Jena
Center for Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743 Jena, Germany
| | - Ulrich S. Schubert
- Laboratory
of Organic and Macromolecular Chemistry (IOMC), Friedrich Schiller University Jena, Humboldtstr. 10, 07743 Jena, Germany
- Jena
Center for Soft Matter (JCSM), Friedrich Schiller University Jena, Philosophenweg 7, 07743 Jena, Germany
| | - Matthias Westerhausen
- Institute
of Inorganic and Analytical Chemistry (IAAC), Friedrich Schiller University Jena, Humboldtstr. 8, 07743 Jena, Germany
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19
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Pell CJ, Ozerov OV. A Series of Pincer-Ligated Rhodium Complexes as Catalysts for the Dimerization of Terminal Alkynes. ACS Catal 2014. [DOI: 10.1021/cs5009317] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
- Christopher J. Pell
- Department of Chemistry, Texas A&M University, 3255 TAMU, College Station, Texas 77842, United States
| | - Oleg V. Ozerov
- Department of Chemistry, Texas A&M University, 3255 TAMU, College Station, Texas 77842, United States
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20
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Nieland A, Lamm JH, Mix A, Neumann B, Stammler HG, Mitzel NW. Alkynyl Compounds of the Rare-earth Metals. Z Anorg Allg Chem 2014. [DOI: 10.1002/zaac.201400158] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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21
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Zatolochnaya OV, Gordeev EG, Jahier C, Ananikov VP, Gevorgyan V. Carboxylate switch between hydro- and carbopalladation pathways in regiodivergent dimerization of alkynes. Chemistry 2014; 20:9578-88. [PMID: 25043968 DOI: 10.1002/chem.201402809] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2014] [Indexed: 11/11/2022]
Abstract
Experimental and theoretical investigation of the regiodivergent palladium-catalyzed dimerization of terminal alkynes is presented. Employment of N-heterocyclic carbene-based palladium catalyst in the presence of phosphine ligand allows for highly regio- and stereoselective head-to-head dimerization reaction. Alternatively, addition of carboxylate anion to the reaction mixture triggers selective head-to-tail coupling. Computational studies suggest that reaction proceeds via the hydropalladation pathway favoring head-to-head dimerization under neutral reaction conditions. The origin of the regioselectivity switch can be explained by the dual role of carboxylate anion. Thus, the removal of hydrogen atom by the carboxylate directs reaction from the hydropalladation to the carbopalladation pathway. Additionally, in the presence of the carboxylate anion intermediate, palladium complexes involved in the head-to-tail dimerization display higher stability compared to their analogues for the head-to-head reaction.
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Affiliation(s)
- Olga V Zatolochnaya
- Department of Chemistry, University of Illinois at Chicago, 845 West Taylor Street, Chicago, Illinois, 60607-7061 (USA)
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22
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Nieland A, Mix A, Neumann B, Stammler H, Mitzel NW. Lanthanoid Tetramethylaluminates and Their Paramagnetic NMR Parameters. Eur J Inorg Chem 2013. [DOI: 10.1002/ejic.201301266] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Anja Nieland
- Lehrstuhl für Anorganische Chemie und Strukturchemie, Universität Bielefeld, Universitätsstrasse 25, 33615 Bielefeld, Germany, http://www.uni‐bielefeld.de/chemie/ac3/ak‐mitzel/start.html
| | - Andreas Mix
- Lehrstuhl für Anorganische Chemie und Strukturchemie, Universität Bielefeld, Universitätsstrasse 25, 33615 Bielefeld, Germany, http://www.uni‐bielefeld.de/chemie/ac3/ak‐mitzel/start.html
| | - Beate Neumann
- Lehrstuhl für Anorganische Chemie und Strukturchemie, Universität Bielefeld, Universitätsstrasse 25, 33615 Bielefeld, Germany, http://www.uni‐bielefeld.de/chemie/ac3/ak‐mitzel/start.html
| | - Hans‐Georg Stammler
- Lehrstuhl für Anorganische Chemie und Strukturchemie, Universität Bielefeld, Universitätsstrasse 25, 33615 Bielefeld, Germany, http://www.uni‐bielefeld.de/chemie/ac3/ak‐mitzel/start.html
| | - Norbert W. Mitzel
- Lehrstuhl für Anorganische Chemie und Strukturchemie, Universität Bielefeld, Universitätsstrasse 25, 33615 Bielefeld, Germany, http://www.uni‐bielefeld.de/chemie/ac3/ak‐mitzel/start.html
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23
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Nieland A, Mix A, Neumann B, Stammler HG, Mitzel NW. Rare-Earth-Metal Dialkynyl Dimethyl Aluminates. Chemistry 2013; 19:8268-75. [DOI: 10.1002/chem.201300465] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2013] [Indexed: 11/11/2022]
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24
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Parker D, Waldron BP. Conformational analysis and synthetic approaches to polydentate perhydro-diazepine ligands for the complexation of gallium(iii). Org Biomol Chem 2013; 11:2827-38. [DOI: 10.1039/c3ob40287h] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023]
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25
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Parker D, Waldron BP, Yufit DS. Crystallographic and solution NMR structural analyses of four hexacoordinated gallium(iii) complexes based on ligands derived from 6-amino-perhydro-1,4-diazepine. Dalton Trans 2013; 42:8001-8. [DOI: 10.1039/c3dt50287b] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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26
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Luo Y, Chi S, Chen J. Half-sandwich rare-earth-metal derivatives bearing pyrrolidinyl-functionalized cyclopentadienyl ligand: synthesis, characterization and catalysis in syndiospecific polymerization of styrene. NEW J CHEM 2013. [DOI: 10.1039/c3nj00214d] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
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27
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Oyamada J, Hou Z. Regioselective C-H alkylation of anisoles with olefins catalyzed by cationic half-sandwich rare earth alkyl complexes. Angew Chem Int Ed Engl 2012; 51:12828-32. [PMID: 23135839 DOI: 10.1002/anie.201206233] [Citation(s) in RCA: 105] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2012] [Indexed: 11/11/2022]
Affiliation(s)
- Juzo Oyamada
- Organometallic Chemistry Laboratory and Advanced Catalyst Research Team, RIKEN Advanced Science Institute, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
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28
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Oyamada J, Hou Z. Regioselective CH Alkylation of Anisoles with Olefins Catalyzed by Cationic Half-Sandwich Rare Earth Alkyl Complexes. Angew Chem Int Ed Engl 2012. [DOI: 10.1002/ange.201206233] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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29
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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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30
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Zhang X, Wang C, Xue M, Zhang Y, Yao Y, Shen Q. Synthesis and structure of samarium benzyl complex supported by bridged bis(guanidinate) ligand and its reactivity toward nitriles and phenyl isocyanate. J Organomet Chem 2012. [DOI: 10.1016/j.jorganchem.2012.06.004] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
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31
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Karpov AV, Shavyrin AS, Cherkasov AV, Fukin GK, Trifonov AA. Reactions of Bis(alkyl)yttrium Complexes Supported by Bulky N,N Ligands with 2,6-Diisopropylaniline and Phenylacetylene. Organometallics 2012. [DOI: 10.1021/om300377h] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Alexander V. Karpov
- G.A. Razuvaev Institute of Organometallic Chemistry of the Russian Academy of Sciences, Tropinina
49, GSP-445, 603950 Nizhny Novgorod, Russia
| | - Andrei S. Shavyrin
- G.A. Razuvaev Institute of Organometallic Chemistry of the Russian Academy of Sciences, Tropinina
49, GSP-445, 603950 Nizhny Novgorod, Russia
| | - Anton V. Cherkasov
- G.A. Razuvaev Institute of Organometallic Chemistry of the Russian Academy of Sciences, Tropinina
49, GSP-445, 603950 Nizhny Novgorod, Russia
| | - Georgy K. Fukin
- G.A. Razuvaev Institute of Organometallic Chemistry of the Russian Academy of Sciences, Tropinina
49, GSP-445, 603950 Nizhny Novgorod, Russia
| | - Alexander A. Trifonov
- G.A. Razuvaev Institute of Organometallic Chemistry of the Russian Academy of Sciences, Tropinina
49, GSP-445, 603950 Nizhny Novgorod, Russia
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32
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Jian Z, Hangaly NK, Rong W, Mou Z, Liu D, Li S, Trifonov AA, Sundermeyer J, Cui D. Yttrium Hydride Complex Bearing CpPN/Amidinate Heteroleptic Ligands: Synthesis, Structure, and Reactivity. Organometallics 2012. [DOI: 10.1021/om3003703] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Zhongbao Jian
- State Key Laboratory of Polymer
Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
- Graduate School of the Chinese Academy of Sciences, Beijing 100039,
China
| | - Noa K. Hangaly
- Fachbereich Chemie der Philipps-Universität Marburg, Hans-Meerwein-Strasse,
35032 Marburg, Germany
| | - Weifeng Rong
- State Key Laboratory of Polymer
Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
- Graduate School of the Chinese Academy of Sciences, Beijing 100039,
China
| | - Zehuai Mou
- State Key Laboratory of Polymer
Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
- Graduate School of the Chinese Academy of Sciences, Beijing 100039,
China
| | - Dongtao Liu
- State Key Laboratory of Polymer
Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
| | - Shihui Li
- State Key Laboratory of Polymer
Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
| | - Alexander A. Trifonov
- G. A. Razuvaev Institute of Organometallic Chemistry of Russian Academy of Sciences, Tropinina 49, GSP-445, 603950 Nizhny Novgorod, Russia
| | - Jörg Sundermeyer
- Fachbereich Chemie der Philipps-Universität Marburg, Hans-Meerwein-Strasse,
35032 Marburg, Germany
| | - Dongmei Cui
- State Key Laboratory of Polymer
Physics and Chemistry, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
- State Key Laboratory
of Rare Earth
Resources Utilization, Changchun Institute of Applied Chemistry, Chinese Academy of Sciences, Changchun 130022, China
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33
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Lanthanides and actinides: Annual survey of their organometallic chemistry covering the year 2009. Coord Chem Rev 2012. [DOI: 10.1016/j.ccr.2012.01.020] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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34
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Gehrmann T, Scholl SA, Fillol JL, Wadepohl H, Gade LH. Alternative Reaction Pathways in Domino Reactions of Hydrazinediidozirconium Complexes with Alkynes. Chemistry 2012; 18:3925-41. [DOI: 10.1002/chem.201103497] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2011] [Revised: 01/10/2012] [Indexed: 11/07/2022]
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35
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Jian Z, Cui D, Hou Z. Rare-Earth-Metal-Hydrocarbyl Complexes Bearing Linked Cyclopentadienyl or Fluorenyl Ligands: Synthesis, Catalyzed Styrene Polymerization, and Structure-Reactivity Relationship. Chemistry 2012; 18:2674-84. [DOI: 10.1002/chem.201102682] [Citation(s) in RCA: 60] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2011] [Revised: 11/23/2011] [Indexed: 11/11/2022]
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36
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Halcovitch NR, Fryzuk MD. Synthesis and characterization of organo-scandium and yttrium complexes stabilized by phosphinoamide ligands. Dalton Trans 2012; 41:1524-8. [DOI: 10.1039/c1dt11501d] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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37
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Platel RH, Schafer LL. Zirconium catalyzed alkyne dimerization for selective Z-enyne synthesis. Chem Commun (Camb) 2012; 48:10609-11. [DOI: 10.1039/c2cc35913h] [Citation(s) in RCA: 48] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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38
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Guan BT, Hou Z. Rare-Earth-Catalyzed C–H Bond Addition of Pyridines to Olefins. J Am Chem Soc 2011; 133:18086-9. [DOI: 10.1021/ja208129t] [Citation(s) in RCA: 210] [Impact Index Per Article: 16.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Bing-Tao Guan
- Organometallic Chemistry Laboratory and Advanced Catalyst Research Team, RIKEN Advanced Science Institute, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
| | - Zhaomin Hou
- Organometallic Chemistry Laboratory and Advanced Catalyst Research Team, RIKEN Advanced Science Institute, 2-1 Hirosawa, Wako, Saitama 351-0198, Japan
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39
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Behrle AC, Schmidt JAR. Synthesis and Reactivity of Homoleptic α-Metalated N,N-Dimethylbenzylamine Rare-Earth-Metal Complexes. Organometallics 2011. [DOI: 10.1021/om200363z] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Andrew C. Behrle
- Department of Chemistry, University of Toledo, 2801 W. Bancroft Street, MS 602, Toledo, Ohio 43606, United States
| | - Joseph A. R. Schmidt
- Department of Chemistry, University of Toledo, 2801 W. Bancroft Street, MS 602, Toledo, Ohio 43606, United States
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40
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Saliu KO, Cheng J, McDonald R, Ferguson MJ, Takats J. Reactions of Scorpionate-Anchored Yttrium and Lutetium Dialkyls with Terminal Alkynes: From Bimetallic Complexes with Bridging Enynediyl Ligands to Monomeric Terminal Dialkynyl Complexes. Organometallics 2010. [DOI: 10.1021/om100393w] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/29/2022]
Affiliation(s)
- Kuburat O. Saliu
- Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| | - Jianhua Cheng
- Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| | - Robert McDonald
- Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| | - Michael J. Ferguson
- Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
| | - Josef Takats
- Department of Chemistry, University of Alberta, Edmonton, Alberta T6G 2G2, Canada
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41
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Neis C, Petry D, Demangeon A, Morgenstern B, Kuppert D, Huppert J, Stucky S, Hegetschweiler K. Facially Coordinating Triamine Ligands with a Cyclic Backbone: Some Structure−Stability Correlations. Inorg Chem 2010; 49:10092-107. [PMID: 20925419 DOI: 10.1021/ic101360d] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Christian Neis
- Anorganische Chemie, Universität des Saarlandes, Postfach 15 11 50, D-66041 Saarbrücken, Germany
| | - David Petry
- Anorganische Chemie, Universität des Saarlandes, Postfach 15 11 50, D-66041 Saarbrücken, Germany
| | - Alexandre Demangeon
- Anorganische Chemie, Universität des Saarlandes, Postfach 15 11 50, D-66041 Saarbrücken, Germany
| | - Bernd Morgenstern
- Anorganische Chemie, Universität des Saarlandes, Postfach 15 11 50, D-66041 Saarbrücken, Germany
| | - Dirk Kuppert
- Anorganische Chemie, Universität des Saarlandes, Postfach 15 11 50, D-66041 Saarbrücken, Germany
| | - Jochen Huppert
- Anorganische Chemie, Universität des Saarlandes, Postfach 15 11 50, D-66041 Saarbrücken, Germany
| | - Stefan Stucky
- Anorganische Chemie, Universität des Saarlandes, Postfach 15 11 50, D-66041 Saarbrücken, Germany
| | - Kaspar Hegetschweiler
- Anorganische Chemie, Universität des Saarlandes, Postfach 15 11 50, D-66041 Saarbrücken, Germany
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42
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Zimmermann M, Anwander R. Homoleptic Rare-Earth Metal Complexes Containing Ln−C σ-Bonds. Chem Rev 2010; 110:6194-259. [DOI: 10.1021/cr1001194] [Citation(s) in RCA: 232] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Melanie Zimmermann
- Department of Chemistry, University of Bergen, Allégaten 41, 5007 Bergen, Norway, and Institut für Anorganische Chemie, Eberhard-Karls-Universität Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany
| | - Reiner Anwander
- Department of Chemistry, University of Bergen, Allégaten 41, 5007 Bergen, Norway, and Institut für Anorganische Chemie, Eberhard-Karls-Universität Tübingen, Auf der Morgenstelle 18, 72076 Tübingen, Germany
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43
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Sengar RS, Geib SJ, Nigam A, Wiener EC. Tri-tert-butyl 3-oxo-4-oxa-1,8,11-triazaspiro[5.6]dodecane-1,8,11-triacetate. Acta Crystallogr C 2010; 66:o174-5. [PMID: 20354302 DOI: 10.1107/s0108270109049361] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/04/2009] [Accepted: 11/18/2009] [Indexed: 11/10/2022] Open
Abstract
The title compound, C(26)H(45)N(3)O(8), is a bicyclic molecule; the seven-membered diazepane ring has a twisted-chair conformation and the six-membered morpholine ring has a boat conformation.
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Affiliation(s)
- Raghvendra Singh Sengar
- University of Pittsburgh Cancer Institute, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
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