51
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Tzouras NV, Nahra F, Falivene L, Cavallo L, Saab M, Van Hecke K, Collado A, Collett CJ, Smith AD, Cazin CSJ, Nolan SP. A Mechanistically and Operationally Simple Route to Metal-N-Heterocyclic Carbene (NHC) Complexes. Chemistry 2020; 26:4515-4519. [PMID: 32022329 DOI: 10.1002/chem.202000564] [Citation(s) in RCA: 42] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2020] [Indexed: 11/08/2022]
Abstract
We have been puzzled by the involvement of weak organic and inorganic bases in the synthesis of metal-N-heterocyclic carbene (NHC) complexes. Such bases are insufficiently strong to permit the presumed required deprotonation of the azolium salt (the carbene precursor) prior to metal binding. Experimental and computational studies provide support for a base-assisted concerted process that does not require free NHC formation. The synthetic protocol was found applicable to a number of transition-metal- and main-group-centered NHC compounds and could become the synthetic route of choice to form M-NHC bonds.
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Affiliation(s)
- Nikolaos V Tzouras
- Department of Chemistry and Centre for Sustainable Chemistry, Ghent University, Krijgslaan 281,S-3, 9000, Ghent, Belgium
| | - Fady Nahra
- Department of Chemistry and Centre for Sustainable Chemistry, Ghent University, Krijgslaan 281,S-3, 9000, Ghent, Belgium.,Separation and Conversion Technology Unit, VITO (Flemish Institute for Technological Research), Boeretang 200, B-2400, Mol, Belgium
| | - Laura Falivene
- KAUST Catalysis Center, Physical Sciences and Engineering Division, King Abdullah University of Science and Technology, Thuwal, 23955-6900, Saudi Arabia
| | - Luigi Cavallo
- KAUST Catalysis Center, Physical Sciences and Engineering Division, King Abdullah University of Science and Technology, Thuwal, 23955-6900, Saudi Arabia
| | - Marina Saab
- Department of Chemistry and Centre for Sustainable Chemistry, Ghent University, Krijgslaan 281,S-3, 9000, Ghent, Belgium
| | - Kristof Van Hecke
- Department of Chemistry and Centre for Sustainable Chemistry, Ghent University, Krijgslaan 281,S-3, 9000, Ghent, Belgium
| | - Alba Collado
- EaStCHEM School of Chemistry, University of St Andrews, St Andrews, KY16 9ST, UK
| | | | - Andrew D Smith
- EaStCHEM School of Chemistry, University of St Andrews, St Andrews, KY16 9ST, UK
| | - Catherine S J Cazin
- Department of Chemistry and Centre for Sustainable Chemistry, Ghent University, Krijgslaan 281,S-3, 9000, Ghent, Belgium
| | - Steven P Nolan
- Department of Chemistry and Centre for Sustainable Chemistry, Ghent University, Krijgslaan 281,S-3, 9000, Ghent, Belgium
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52
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C S cross-coupling catalyzed by a series of easily accessible, well defined Ni(II) complexes of the type [(NHC)Ni(Cp)(Br)]. J Catal 2020. [DOI: 10.1016/j.jcat.2020.01.016] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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53
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Burilov VA, Gafiatullin MBK, Mironova DA, Sultanova ED, Evtugyn VG, Osin YN, Islamov DR, Usachev KS, Solovieva SE, Antipin IS. Amphiphilic Pd II
-NHC Complexes on 1,3-Alternate p-tert
-Butylthiacalix[4]arene Platform: Synthesis and Catalytic Activities in Coupling and Hydrogenation Reactions. European J Org Chem 2020. [DOI: 10.1002/ejoc.202000059] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Vladimir A. Burilov
- Kazan Federal University; 18 Kremlevskaya st. 420008 Kazan Russian Federation
| | | | - Diana A. Mironova
- Kazan Federal University; 18 Kremlevskaya st. 420008 Kazan Russian Federation
| | - Elza D. Sultanova
- Kazan Federal University; 18 Kremlevskaya st. 420008 Kazan Russian Federation
| | - Vladimir G. Evtugyn
- Kazan Federal University; 18 Kremlevskaya st. 420008 Kazan Russian Federation
| | - Yuri N. Osin
- Kazan Federal University; 18 Kremlevskaya st. 420008 Kazan Russian Federation
| | - Daut R. Islamov
- A.E.Arbuzov Institute of Organic & Physical Chemistry; 8 Arbuzov str. 420088 Kazan Russian Federation
| | | | - Svetlana E. Solovieva
- A.E.Arbuzov Institute of Organic & Physical Chemistry; 8 Arbuzov str. 420088 Kazan Russian Federation
| | - Igor S. Antipin
- Kazan Federal University; 18 Kremlevskaya st. 420008 Kazan Russian Federation
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54
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Luo K, Li J, Cao Y, Liu C, Ge J, Chen H, Zare RN. Reaction of chloroauric acid with histidine in microdroplets yields a catalytic Au-(His) 2 complex. Chem Sci 2020; 11:2558-2565. [PMID: 34084419 PMCID: PMC8157187 DOI: 10.1039/c9sc06221a] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Accepted: 01/29/2020] [Indexed: 01/17/2023] Open
Abstract
An aqueous solution containing histidine (His, 100 μM) and chloroauric acid (HAuCl4, 10 μM) is electrosprayed (-4.5 kV) from a capillary (50 μm in diameter) with N2 nebulizing gas (120 psi). The resulting microdroplets entered a mass spectrometer with a 2 cm flight path. The mass spectrum recorded in negative ion mode showed several peaks including the Au5 nanocluster with the major one being [Au + 2His-2H]-, which is a catalytically active species. The reaction time was less 1 ms, and the yield of [Au + 2His-2H]- was 76%. In contrast, the bulk reaction for the same concentration run at room temperature for 2 h did not produce this species but instead formed Au10 nanocluster. When a solution of water and acetonitrile (1 : 1) containing indoline (100 mM) and the phenylacetylene (200 mM) as well as histidine and chloroauric acid at the same concentrations as above was electrosprayed, the mass spectrum showed the formation of the intermediate [Au + 2His + phenylacetylene + H]+. Upon collecting the microdroplets, the 4-methyl-4,6-diphenyl-1,2-dihydro-4H-pyrrolo[3,2,1-ij] quinolone product was observed by 1H nuclear magnetic resonance and liquid chromatography with a yield of 44%. The microdroplet synthesis using the Au-(His)2 complex as a catalyst was scaled up using room-temperature ultrasonic nebulization to produce the product at the rate of 35 mg min-1, which is semi-preparative and demonstrates the promise of using microdroplet reactions for chemical synthesis.
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Affiliation(s)
- Kai Luo
- Department of Chemistry, Fudan University Shanghai 200438 China
| | - Jia Li
- Department of Chemistry, Fudan University Shanghai 200438 China
| | - Yufei Cao
- Department of Chemical Engineering, Key Lab for Industrial Biocatalysis, Ministry of Education, Tsinghua University Beijing 100084 China
| | - Chengyuan Liu
- Department of Chemistry, Fudan University Shanghai 200438 China
| | - Jun Ge
- Department of Chemical Engineering, Key Lab for Industrial Biocatalysis, Ministry of Education, Tsinghua University Beijing 100084 China
| | - Hao Chen
- Department of Chemistry and Environmental Science, New Jersey Institute of Technology Newark NJ 07102 USA
| | - Richard N Zare
- Department of Chemistry, Fudan University Shanghai 200438 China
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Olszewski TK, Bieniek M, Skowerski K. Ruthenium-Based Complexes Bearing Quaternary Ammonium Tags as Versatile Catalysts for Olefin Metathesis: From the Discovery to Practical Applications. Org Process Res Dev 2020. [DOI: 10.1021/acs.oprd.9b00483] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Affiliation(s)
- Tomasz K. Olszewski
- Faculty of Chemistry, Wroclaw University of Science and Technology, Wybrzeze Wyspianskiego 29, 50-370 Wroclaw, Poland
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56
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Çakır S, Türkmen H. Synthesis of water soluble Pd‐Piperidoimidazolin‐2‐ylidene complexes and their catalytic activities in neat water. Appl Organomet Chem 2020. [DOI: 10.1002/aoc.5499] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Sinem Çakır
- Department of ChemistryEge University 35100 Bornova‐Izmir Turkey
| | - Hayati Türkmen
- Department of ChemistryEge University 35100 Bornova‐Izmir Turkey
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57
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Selective Hydration of Nitriles to Corresponding Amides in Air with Rh(I)-N-Heterocyclic Complex Catalysts. Catalysts 2020. [DOI: 10.3390/catal10010125] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
A new synthetic method for obtaining [RhCl(cod)(NHC)] complexes (1–4) (cod = η4-1,5-cyclooctadiene, NHC = N-heterocyclic carbene: IMes, SIMes, IPr, and SIPr, respectively) is reported together with the catalytic properties of 1–4 in nitrile hydration. In addition to the characterization of 1–4 in solution by 13C NMR spectroscopy, the structures of complexes 3, and 4 have been established also in the solid state with single-crystal X-ray diffraction analysis. The Rh(I)-NHC complexes displayed excellent catalytic activity in hydration of aromatic nitriles (up to TOF = 276 h−1) in water/2-propanol (1/1 v/v) mixtures in air.
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Ruthenium(II) complexes bearing N-heterocyclic carbene ligands with wingtip groups and their catalytic activity in the transfer hydrogenation of ketones. Inorganica Chim Acta 2020. [DOI: 10.1016/j.ica.2019.119199] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
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59
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Jia W, Wang Z, Zhi X. Half‐sandwich ruthenium complexes with
S
chiff base ligands bearing a hydroxyl group: Preparation, characterization and catalytic activities. Appl Organomet Chem 2020. [DOI: 10.1002/aoc.5289] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Affiliation(s)
- Wei‐Guo Jia
- The Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecular‐Based Materials (State Key Laboratory Cultivation Base), College of Chemistry and Materials ScienceAnhui Normal University Wuhu 241002 China
| | - Zhi‐Bao Wang
- The Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecular‐Based Materials (State Key Laboratory Cultivation Base), College of Chemistry and Materials ScienceAnhui Normal University Wuhu 241002 China
| | - Xue‐Ting Zhi
- The Key Laboratory of Functional Molecular Solids, Ministry of Education, Anhui Laboratory of Molecular‐Based Materials (State Key Laboratory Cultivation Base), College of Chemistry and Materials ScienceAnhui Normal University Wuhu 241002 China
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60
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Wang Y, Liu Y, Zhang WQ, Sun H, Zhang K, Jian Y, Gu Q, Zhang G, Li J, Gao Z. Sustainable Ligand-Free, Palladium-Catalyzed Suzuki-Miyaura Reactions in Water: Insights into the Role of Base. CHEMSUSCHEM 2019; 12:5265-5273. [PMID: 31724806 DOI: 10.1002/cssc.201902853] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/16/2019] [Revised: 11/11/2019] [Indexed: 06/10/2023]
Abstract
A simple and efficient system was developed for the ligand-free Pd-catalyzed Suzuki-Miyaura reaction in water under mild conditions. Quaternary ammonium hydroxides with long chains were found to be very suitable bases. This ligand-free Pd-catalyzed Suzuki-Miyaura reaction showed improved durability in water with Pd loadings decreased to ppm level. Bases were shown to stabilize active palladium species in addition to acting as a base during the catalytic process. In the catalytic system with a strong base, the soluble active PdII ion exhibited anti-reduction properties, which prevented aggregation and deactivation of Pd species. The entire catalytic system could be recycled after separating the product by simple filtration. The water-compatible and air-stable effective catalytic protocol described herein represents an attractive and green synthetic advance in Suzuki-Miyaura couplings.
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Affiliation(s)
- Yanyan Wang
- Key Laboratory of Applied Surface and Colloid Chemistry MOE, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Yuanyuan Liu
- Key Laboratory of Applied Surface and Colloid Chemistry MOE, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Wei-Qiang Zhang
- Key Laboratory of Applied Surface and Colloid Chemistry MOE, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Huaming Sun
- Key Laboratory of Applied Surface and Colloid Chemistry MOE, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Kan Zhang
- Key Laboratory of Applied Surface and Colloid Chemistry MOE, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Yajun Jian
- Key Laboratory of Applied Surface and Colloid Chemistry MOE, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Quan Gu
- Key Laboratory of Applied Surface and Colloid Chemistry MOE, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Guofang Zhang
- Key Laboratory of Applied Surface and Colloid Chemistry MOE, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
| | - Jiyang Li
- State Key Laboratory of Inorganic Synthesis and Preparative Chemistry, College of Chemistry, Jilin University, Changchun, 130012, P. R. China
| | - Ziwei Gao
- Key Laboratory of Applied Surface and Colloid Chemistry MOE, School of Chemistry and Chemical Engineering, Shaanxi Normal University, Xi'an, 710119, P. R. China
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61
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Seva L, Junaid QM, Advaya GR, Sabiah S. Palladium NHC complexes with benzimidazolium biphenyl ligands: Synthesis, structure, spectral characterization and their application in Suzuki-Miyaura reactions. J Organomet Chem 2019. [DOI: 10.1016/j.jorganchem.2019.121000] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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62
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63
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Timmer BJJ, Ramström O. Acid‐Assisted Direct Olefin Metathesis of Unprotected Carbohydrates in Water. Chemistry 2019; 25:14408-14413. [PMID: 31390489 DOI: 10.1002/chem.201903155] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2019] [Indexed: 01/30/2023]
Affiliation(s)
- Brian J. J. Timmer
- Department of ChemistryKTH Royal Institute of Technology Teknikringen 36 10044 Stockholm Sweden
| | - Olof Ramström
- Department of ChemistryKTH Royal Institute of Technology Teknikringen 36 10044 Stockholm Sweden
- Department of ChemistryUniversity of Massachusetts Lowell 1 University Avenue Lowell MA 01854 USA
- Department of Chemistry and Biomedical SciencesLinnaeus University 39182 Kalmar Sweden
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64
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Virant M, Košmrlj J. Arylation of Click Triazoles with Diaryliodonium Salts. J Org Chem 2019; 84:14030-14044. [DOI: 10.1021/acs.joc.9b02197] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Miha Virant
- Faculty of Chemistry and Chemical Technology, University of Ljubljana, Večna pot 113, SI 1000 Ljubljana, Slovenia
| | - Janez Košmrlj
- Faculty of Chemistry and Chemical Technology, University of Ljubljana, Večna pot 113, SI 1000 Ljubljana, Slovenia
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66
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67
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Sun LY, Feng T, Das R, Hahn FE, Han YF. Synthesis, Characterization, and Properties of Tetraphenylethylene-Based Tetrakis-NHC Ligands and Their Metal Complexes. Chemistry 2019; 25:9764-9770. [PMID: 31087691 DOI: 10.1002/chem.201901927] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2019] [Revised: 05/07/2019] [Indexed: 12/15/2022]
Abstract
The development of highly emissive dinuclear AgI or AuI complexes [M2 L](PF6 )2 (L=2 a, 2 b; M=Ag, Au) derived from tetraphenylethylene (TPE)-based tetrabenzimidazolin-2-ylidene ligands is reported. The new complexes exhibit a remarkable fluorescence enhancement compared to their parent benzimidazolium salts. The quantum yield (ΦF ) value for salt H4 -2 a(PF6 )4 in dilute solution (c=10-5 m) was found to be less than 1 %, whereas its metal complexes show ΦF values up to 55 % at similar solution concentration. This observation can be attributed to the rigidification of the TPE skeleton upon metalation resulting in a restriction of the intramolecular rotation of the phenyl groups. Functionalization of the complexes [M2 2 b](PF6 )2 (M=Ag, Au) with terminal coumarin groups and subsequent photoirradiation yielded the complexes [M2 3 b](PF6 )2 (M=Ag, Au) bearing a new type of ligand with an unaffected TPE moiety.
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Affiliation(s)
- Li-Ying Sun
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry, College of Chemistry and Materials Science, Northwest University, Xi'an, 710127, P. R. China
| | - Ting Feng
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry, College of Chemistry and Materials Science, Northwest University, Xi'an, 710127, P. R. China
| | - Rajorshi Das
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry, College of Chemistry and Materials Science, Northwest University, Xi'an, 710127, P. R. China
| | - F Ekkehardt Hahn
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry, College of Chemistry and Materials Science, Northwest University, Xi'an, 710127, P. R. China.,Institut für Anorganische und Analytische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstraße 30, 48149, Münster, Germany
| | - Ying-Feng Han
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry, College of Chemistry and Materials Science, Northwest University, Xi'an, 710127, P. R. China
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69
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Li J, Huang R, Li C, Lin S, Wu W, Jiang H. Assembly of Functionalized 4‐Alkynylisoxazoles by Palladium‐Catalyzed Three‐Component Cascade Cyclization/Alkynylation. Chem Asian J 2019; 14:2309-2315. [DOI: 10.1002/asia.201900476] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2019] [Revised: 05/03/2019] [Indexed: 01/07/2023]
Affiliation(s)
- Jianxiao Li
- Key Laboratory of Functional Molecular Engineering of Guangdong ProvinceSchool of Chemistry and Chemical EngineeringSouth China University of Technology Guangzhou 510640 P. R. China
| | - Ruikang Huang
- Key Laboratory of Functional Molecular Engineering of Guangdong ProvinceSchool of Chemistry and Chemical EngineeringSouth China University of Technology Guangzhou 510640 P. R. China
| | - Can Li
- Key Laboratory of Functional Molecular Engineering of Guangdong ProvinceSchool of Chemistry and Chemical EngineeringSouth China University of Technology Guangzhou 510640 P. R. China
| | - Shao Lin
- Key Laboratory of Functional Molecular Engineering of Guangdong ProvinceSchool of Chemistry and Chemical EngineeringSouth China University of Technology Guangzhou 510640 P. R. China
| | - Wanqing Wu
- Key Laboratory of Functional Molecular Engineering of Guangdong ProvinceSchool of Chemistry and Chemical EngineeringSouth China University of Technology Guangzhou 510640 P. R. China
| | - Huanfeng Jiang
- Key Laboratory of Functional Molecular Engineering of Guangdong ProvinceSchool of Chemistry and Chemical EngineeringSouth China University of Technology Guangzhou 510640 P. R. China
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70
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Davalos AR, Sylvester E, Diver ST. Macrocyclic N-Heterocyclic Carbenes: Synthesis and Catalytic Applications. Organometallics 2019. [DOI: 10.1021/acs.organomet.9b00152] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Anibal R. Davalos
- Department of Chemistry, University at Buffalo, the State University of New York, Buffalo, New York 14260-3000, United States
| | - Eric Sylvester
- Department of Chemistry, University at Buffalo, the State University of New York, Buffalo, New York 14260-3000, United States
| | - Steven T. Diver
- Department of Chemistry, University at Buffalo, the State University of New York, Buffalo, New York 14260-3000, United States
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71
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Trzeciak A, Augustyniak A. The role of palladium nanoparticles in catalytic C–C cross-coupling reactions. Coord Chem Rev 2019. [DOI: 10.1016/j.ccr.2019.01.008] [Citation(s) in RCA: 74] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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72
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Yadav S, Deka R, Raju S, Singh HB. Synthesis of N-heterocyclic nitrenium (NHN) ions and related donor systems: Coordination with d10-metal ions. Inorganica Chim Acta 2019. [DOI: 10.1016/j.ica.2019.01.024] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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73
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Sabatino V, Ward TR. Aqueous olefin metathesis: recent developments and applications. Beilstein J Org Chem 2019; 15:445-468. [PMID: 30873229 PMCID: PMC6404410 DOI: 10.3762/bjoc.15.39] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2018] [Accepted: 01/24/2019] [Indexed: 12/22/2022] Open
Abstract
Olefin metathesis is one of the most powerful C-C double-bond-forming reactions. Metathesis reactions have had a tremendous impact in organic synthesis, enabling a variety of applications in polymer chemistry, drug discovery and chemical biology. Although challenging, the possibility to perform aqueous metatheses has become an attractive alternative, not only because water is a more sustainable medium, but also to exploit biocompatible conditions. This review focuses on the progress made in aqueous olefin metatheses and their applications in chemical biology.
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Affiliation(s)
- Valerio Sabatino
- Department of Chemistry, University of Basel, Building 1096, Mattenstraße 24a, Biopark Rosental, 4058, Basel, Switzerland
| | - Thomas R Ward
- Department of Chemistry, University of Basel, Building 1096, Mattenstraße 24a, Biopark Rosental, 4058, Basel, Switzerland
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Padmaja P, Reddy PN, Sahoo BK. A Green Approach to the Synthesis of Novel Indole Substituted 2-Amino- 4,5-dihydro-3-furancarbonitriles in Water. LETT ORG CHEM 2019. [DOI: 10.2174/1570178615666180917104820] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
2-Amino-4,5-dihydro-3-furancarbonitriles (ADFCs) have attracted much attention due to
their utility as valuable synthetic intermediates for the preparation of a series of acyclic and cyclic organic
compounds. On the other hand, indoles substituted with furans are highly interesting compounds
displaying a wide range of biological and pharmaceutical activities. However, to the best of our knowledge,
indole substituted 2-amino-4,5-dihydro-3-furancarbonitriles have not been previously reported. A
new and efficient synthesis of indole substituted 2-amino-4,5-dihydro-3-furancarbonitriles has been
developed in two steps using water as a solvent. The first step of the sequence involves threecomponent
reaction of phenylglyoxals, indoles and malononitrile under aqueous and catalyst-free conditions
for the synthesis of indole substituted β,β-dicyanoketones. Reduction of the obtained β,β-
dicyanoketones with sodium borohydride in water at room temperature afforded the indole substituted
2-amino-4,5-dihydro-3-furancarbonitriles in good yields. Several substituted phenylglyooxals were reacted
smoothly with indole or 2-methylindole and malononitrile to give the corresponding indole substituted
β,β-dicyanoketones in good yields. Treatment of the obtained β,β-dicyanoketones with sodium
borohydride in water furnished exclusively the indole substituted 2-amino-4,5-dihydro-3-
furancarbonitriles in good yields. We have developed an efficient straightforward access to indole substituted
β,β-dicyanoketones by one-pot three-component reaction of phenylglyoxals, indoles and
malononitrile. The synthetic utility of obtained indole substituted β,β-dicyanoketones has been outlined
by the preparation of indole substituted 2-amino-4,5-dihydro-3-furancarbonitriles. The advantage of
catalyst-free, atom-economical and environmental benignity render it promising methods for preparation
of indole substituted 2-amino-4,5-dihydro-3-furancarbonitriles.
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Affiliation(s)
- Pannala Padmaja
- Centre for Chemical Sciences and Technology, IST, Jawaharlal Nehru Technological University, Hyderabad, Telangana- 500085, India
| | | | - Bijaya Ketan Sahoo
- Department of Chemistry, School of Technology, Gitam University, Telangana-502 102, India
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75
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Yadav S, Deka R, Singh HB. Recent Developments in the Chemistry of NHC-based Selones: Syntheses, Applications and Reactivity. CHEM LETT 2019. [DOI: 10.1246/cl.180748] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Affiliation(s)
- Sangeeta Yadav
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400 076, India
| | - Rajesh Deka
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400 076, India
| | - Harkesh B. Singh
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai 400 076, India
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76
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Gułajski Ł, Tracz A, Urbaniak K, Czarnocki SJ, Bieniek M, Olszewski TK. Ammonium-tagged ruthenium-based catalysts for olefin metathesis in aqueous media under ultrasound and microwave irradiation. Beilstein J Org Chem 2019; 15:160-166. [PMID: 30745991 PMCID: PMC6350890 DOI: 10.3762/bjoc.15.16] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2018] [Accepted: 12/22/2018] [Indexed: 12/28/2022] Open
Abstract
The influence of microwave and ultrasonic irradiation on the performance of ammonium-tagged Ru-based catalysts in olefin metathesis transformations in aqueous media was studied. Differences in the catalytic activity in correlation with the nature of the present counter ion and the size of the N-heterocyclic carbene (NHC) ligand were revealed. The presented methodology allows for preparation of a variety of polar and non-polar metathesis products under environmentally friendly conditions.
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Affiliation(s)
| | - Andrzej Tracz
- Apeiron Synthesis SA, Duńska 9, 54-427 Wrocław, Poland
| | | | | | | | - Tomasz K Olszewski
- Wrocław University of Science and Technology, Faculty of Chemistry, Wybrzeże Wyspiańskiego 29, 50-370 Wrocław, Poland
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77
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Ritter F, Mukherjee D, Spaniol TP, Hoffmann A, Okuda J. A Masked Cuprous Hydride as a Catalyst for Carbonyl Hydrosilylation in Aqueous Solutions. Angew Chem Int Ed Engl 2019; 58:1818-1822. [DOI: 10.1002/anie.201811890] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Indexed: 01/06/2023]
Affiliation(s)
- Florian Ritter
- Institute of Inorganic ChemistryRWTH Aachen University Landoltweg 1 52056 Aachen Germany
| | - Debabrata Mukherjee
- Institute of Inorganic ChemistryRWTH Aachen University Landoltweg 1 52056 Aachen Germany
- Current address: Department of ChemistryIndian Institute of Technology Kharagpur Kharagpur West Bengal 721302 India
| | - Thomas P. Spaniol
- Institute of Inorganic ChemistryRWTH Aachen University Landoltweg 1 52056 Aachen Germany
| | - Alexander Hoffmann
- Institute of Inorganic ChemistryRWTH Aachen University Landoltweg 1 52056 Aachen Germany
| | - Jun Okuda
- Institute of Inorganic ChemistryRWTH Aachen University Landoltweg 1 52056 Aachen Germany
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78
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Ritter F, Mukherjee D, Spaniol TP, Hoffmann A, Okuda J. Ein maskiertes Kupferhydrid als Katalysator für die Carbonylhydrosilylierung in wässrigen Lösungen. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201811890] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Florian Ritter
- Institut für Anorganische ChemieRWTH Aachen University Landoltweg 1 52056 Aachen Deutschland
| | - Debabrata Mukherjee
- Derzeitige Adresse: Department of ChemistryIndian Institute of Technology Kharagpur Kharagpur Westbengalen 721302 Indien
| | - Thomas P. Spaniol
- Institut für Anorganische ChemieRWTH Aachen University Landoltweg 1 52056 Aachen Deutschland
| | - Alexander Hoffmann
- Institut für Anorganische ChemieRWTH Aachen University Landoltweg 1 52056 Aachen Deutschland
| | - Jun Okuda
- Institut für Anorganische ChemieRWTH Aachen University Landoltweg 1 52056 Aachen Deutschland
- Derzeitige Adresse: Department of ChemistryIndian Institute of Technology Kharagpur Kharagpur Westbengalen 721302 Indien
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79
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1,2,3-Triazolylidene palladium complex with triazole ligand: Synthesis, characterization and application in Suzuki–Miyaura coupling reaction in water. Polyhedron 2019. [DOI: 10.1016/j.poly.2018.10.022] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
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80
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Peng BJ, Huang YT, Fülöp F, Lin IL, Yang SC. Palladium-catalyzed selective N-allylation of indoles assisted by PEG–water system. NEW J CHEM 2019. [DOI: 10.1039/c9nj02335f] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The synthesis of N-allylic indoles is of great interest because of their potential biological properties.
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Affiliation(s)
- Bai-Jing Peng
- School of Pharmacy
- College of Pharmacy
- Kaohsiung Medical University
- Kaohsiung 807
- Taiwan
| | - Yi-Ting Huang
- School of Pharmacy
- College of Pharmacy
- Kaohsiung Medical University
- Kaohsiung 807
- Taiwan
| | - Ferenc Fülöp
- Institute of Pharmaceutical Chemistry
- University of Szeged
- H-6720 Szeged
- Hungary
| | - I-Ling Lin
- Department of Medical Laboratory Science and Biotechnology
- College of Health Sciences
- Kaohsiung Medical University
- Kaohsiung 807
- Taiwan
| | - Shyh-Chyun Yang
- School of Pharmacy
- College of Pharmacy
- Kaohsiung Medical University
- Kaohsiung 807
- Taiwan
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81
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Zhang FY, Lan XB, Xu C, Yao HG, Li T, Liu FS. Rigid hindered N-heterocyclic carbene palladium precatalysts: synthesis, characterization and catalytic amination. Org Chem Front 2019. [DOI: 10.1039/c9qo00726a] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/24/2023]
Abstract
Rigid hindered N-heterocyclic carbene palladium complexes have been developed and exhibited high activities for a variety of (hetero)aryl chlorides with (hetero)anilines and amines under aerobic conditions.
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Affiliation(s)
- Fei-Yi Zhang
- School of Chemistry and Chemical Engineering
- Guangdong Pharmaceutical University
- Zhongshan
- China
| | - Xiao-Bing Lan
- School of Chemistry and Chemical Engineering
- Guangdong Pharmaceutical University
- Zhongshan
- China
| | - Chang Xu
- School of Chemistry and Chemical Engineering
- Guangdong Pharmaceutical University
- Zhongshan
- China
| | - Hua-Gang Yao
- School of Chemistry and Chemical Engineering
- Guangdong Pharmaceutical University
- Zhongshan
- China
| | - Tian Li
- School of Chemistry and Chemical Engineering
- Guangdong Pharmaceutical University
- Zhongshan
- China
| | - Feng-Shou Liu
- School of Chemistry and Chemical Engineering
- Guangdong Pharmaceutical University
- Zhongshan
- China
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82
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Suresh P, Selva Ganesan S. Lipophilic NHC assisted one-pot synthesis of syncarpamide analogues in aqueous medium. NEW J CHEM 2019. [DOI: 10.1039/c9nj00134d] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Lipophilic NHC catalysis in aqueous medium was reported for the synthesis of biologically relevant (a)symmetrically substituted and unsymmetrically substituted syncarpamide analogues.
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Affiliation(s)
- Pavithira Suresh
- Department of Chemistry
- School of Chemical and Biotechnology
- SASTRA Deemed University
- Thanjavur-613401
- India
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83
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Peng BJ, Hsueh WT, Fülöp F, Yang SC. Platinum-catalyzed selective N-allylation of 2,3-disubstituted indoles with allylic acetates in water. NEW J CHEM 2019. [DOI: 10.1039/c8nj05051a] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
Herein, we have demonstrated that the platinum-catalyzed selective N-allylation of 2,3-disubstituted indoles proceeds in water.
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Affiliation(s)
- Bai-Jing Peng
- School of Pharmacy
- College of Pharmacy
- Kaohsiung Medical University
- Kaohsiung 807
- Taiwan
| | - Wen-Ting Hsueh
- School of Pharmacy
- College of Pharmacy
- Kaohsiung Medical University
- Kaohsiung 807
- Taiwan
| | - Ferenc Fülöp
- Institute of Pharmaceutical Chemistry
- University of Szeged
- H-6720 Szeged
- Hungary
| | - Shyh-Chyun Yang
- School of Pharmacy
- College of Pharmacy
- Kaohsiung Medical University
- Kaohsiung 807
- Taiwan
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84
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Yiğit M, Gök Y, Yiğit B, Özeroğlu Çelikal Ö. Palladium/Benzimidazolium Salt Catalyst Systems and N-Heterocyclic Carbene-Palladium(II)-Pyridine (PEPPSI) Complexes for Anti-Markovnikov Hydroaminations of Styrene in Ionic Liquid. HETEROCYCLES 2019. [DOI: 10.3987/com-19-14042] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
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85
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Thirukovela NS, Balaboina R, Botla V, Vadde R, Jonnalagadda SB, Vasam CS. One-pot regioselective synthesis of substituted pyrazoles and isoxazoles in PEG-400/water medium by Cu-free nano-Pd catalyzed sequential acyl Sonogashira coupling–intramolecular cyclization. Catal Sci Technol 2019. [DOI: 10.1039/c9cy01335k] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Abstract
Catalyst efficacy of in situ generated Pd-nanoparticles in the regioselective one-pot synthesis of substituted pyrazoles and isoxazoles via sequential coupling-cyclization methodology in environmentally benign medium is described.
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86
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Bunda S, Udvardy A, Voronova K, Joó F. Organic Solvent-Free, Pd(II)-Salan Complex-Catalyzed Synthesis of Biaryls via Suzuki–Miyaura Cross-Coupling in Water and Air. J Org Chem 2018; 83:15486-15492. [DOI: 10.1021/acs.joc.8b02340] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Szilvia Bunda
- Department of Physical Chemistry, University of Debrecen, P.O. Box 400, Debrecen H-4002, Hungary
| | - Antal Udvardy
- Department of Physical Chemistry, University of Debrecen, P.O. Box 400, Debrecen H-4002, Hungary
| | - Krisztina Voronova
- Department of Physical Chemistry, University of Debrecen, P.O. Box 400, Debrecen H-4002, Hungary
| | - Ferenc Joó
- Department of Physical Chemistry, University of Debrecen, P.O. Box 400, Debrecen H-4002, Hungary
- MTA-DE Redox and Homogeneous Catalytic Reaction Mechanisms Research Group, University of Debrecen, P.O. Box 400, Debrecen H-4002, Hungary
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87
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Schroeter F, Soellner J, Strassner T. Cyclometalated Palladium NHC Complexes Bearing PEG Chains for Suzuki–Miyaura Cross-Coupling in Water. Organometallics 2018. [DOI: 10.1021/acs.organomet.8b00607] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Felix Schroeter
- Physikalische Organische Chemie, TU Dresden, Bergstraße 66, 01069 Dresden, Germany
| | - Johannes Soellner
- Physikalische Organische Chemie, TU Dresden, Bergstraße 66, 01069 Dresden, Germany
| | - Thomas Strassner
- Physikalische Organische Chemie, TU Dresden, Bergstraße 66, 01069 Dresden, Germany
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88
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Saha R, Pan S, Chattaraj PK. Stabilization of Boron-Boron Triple Bonds by Mesoionic Carbenes. ACS OMEGA 2018; 3:13720-13730. [PMID: 31458073 PMCID: PMC6644692 DOI: 10.1021/acsomega.8b02305] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/07/2018] [Accepted: 10/09/2018] [Indexed: 05/08/2023]
Abstract
Density functional theory-based computations are carried out to analyze the electronic structure and stability of B2(MIC)2 complexes, where MIC is a mesoionic carbene, viz., imidazolin-4-ylidenes, pyrazolin-4-ylidene, 1,2,3-triazol-5-ylidene, tetrazol-5-ylidene, and isoxazol-4-ylidene. The structure, stability, and the nature of bonding of these complexes are further compared to those of the previously reported B2(NHC)2 and B2(cAAC)2. A thorough bonding analysis via natural bond order, molecular orbital, and energy decomposition analyses (EDA) in combination with natural orbital for chemical valence (NOCV) reveals that MICs are suitable ligands to stabilize B2 species in its (3)1∑g + excited state, resulting in an effective B-B bond order of 3. Their high dissociation energy and endergonicity at 298 K for the dissociations L-BB-L → 2 B-L and L-BB-L → BB + 2 L (L = Ligand) indicate their viability at ambient condition. The donor property of MICs is comparable to that of NHCMe. The orbital interaction plays a greater role than the coulombic interaction in forming the B-L bonds. The EDA-NOCV results show that the sum of the orbital energies associated with the (+, +) and (+, -) L→[B2]←L σ-donations is far larger than that of L←[B2]→L π-back donation. It also reveals that cAACMe possesses the largest σ-donation and π-back donation abilities among the studied ligands, and the σ-donation and π-back donation abilities of MICs are comparable to those of NHCMe. Therefore, the present study shows that MICs would also be an excellent choice as ligands to experimentally realize new compounds having a strong B-B triple bond.
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Affiliation(s)
- Ranajit Saha
- Department
of Chemistry and Centre for Theoretical Studies, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
| | - Sudip Pan
- Department
of Chemistry and Centre for Theoretical Studies, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
- Institute
of Advanced Synthesis, School of Chemistry and Molecular Engineering,
Jiangsu National Synergetic Innovation Center for Advanced Materials, Nanjing Tech University, Nanjing 210028, China
- E-mail: (S.P.)
| | - Pratim K. Chattaraj
- Department
of Chemistry and Centre for Theoretical Studies, Indian Institute of Technology Kharagpur, Kharagpur 721302, India
- Department
of Chemistry, Indian Institute of Technology
Bombay, Mumbai 400076, India
- E-mail: (P.K.C.)
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89
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Aktaş A, Celepci DB, Gök Y, Aygün M. 2-Hydroxyethyl-Substituted (NHC)Pd(II)PPh3Complexes: Synthesis, Characterization, Crystal Structure and Its Application on Sonogashira Cross-Coupling Reactions in Aqueous Media. ChemistrySelect 2018. [DOI: 10.1002/slct.201802519] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Aydın Aktaş
- İnönü University; Faculty of Science; Department of Chemistry; 44280 Malatya Turkey
| | - Duygu Barut Celepci
- Dokuz Eylül University; Faculty of Science; Department of Physics; 35160 Buca İzmir Turkey
| | - Yetkin Gök
- İnönü University; Faculty of Science; Department of Chemistry; 44280 Malatya Turkey
| | - Muhittin Aygün
- Dokuz Eylül University; Faculty of Science; Department of Physics; 35160 Buca İzmir Turkey
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90
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Yuan H, Zhu L, Li W, Zhang J. Mechanistic insight on water and substrate catalyzed the synthesis of 3-(1H-indol-3-yl)-2-(4-methoxybenzyl)isoindolin-1-one: Driving by noncovalent interactions. J Comput Chem 2018; 39:2316-2323. [PMID: 30284296 DOI: 10.1002/jcc.25563] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2018] [Revised: 07/13/2018] [Accepted: 07/27/2018] [Indexed: 11/09/2022]
Abstract
The mechanisms of the synthesis of 2-substituted-3-(1H-indol-3-yl)-isoindolin-1-one derivatives have been investigated theoretically under unassisted, self-assisted, and water-assisted conditions. Being different from previously proposed catalyst-free by Hu et al., our results show that the title mechanism can be altered and accelerated by solvent and substrate 2. Two types of mechanisms have been developed by DFT calculations differ in the reaction sequence of substrates 1 with 3 (M1) or 2 (M2) followed by 2 (M1) or 3 (M2), and water-assisted M1 is the most favored one. It was found that the nucleophilicity of substrate 3 is stronger than that of 2. Our calculations suggest that the water-assisted pathway in M1 is the most favorable case, which undergoes nucleophilic addition and H-shift, C-N bond formation and water elimination, and intramolecular cyclization and water elimination. The rate-determining step is the nucleophilic attack process. Moreover, we also explored the effect of nucleophilic attack of the nitrogen of (4-methoxyphenyl)methanamine on hydroxyl or carbonyl group carbon of phthalaldehydic acid on the activation energy. More importantly, we found that water molecules play a critical role in the whole reaction, not only act as solvent but also as an efficient catalyst, proton shuttle, and stabilizer to stabilize the structures of transition states and intermediates via π···H-O, O···H-N, O···H-C, and O···H-O interactions. The origin of the different reactivity of M1 and M2 is ascribed to the pivotal noncovalent interactions exist between catalyst (water and substrate 2) and reactants. © 2018 Wiley Periodicals, Inc.
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Affiliation(s)
- Haiyan Yuan
- Faculty of Chemistry, Northeast Normal University, Changchun, 130024, China
| | - Lihan Zhu
- Faculty of Chemistry, Northeast Normal University, Changchun, 130024, China
| | - Wenliang Li
- Faculty of Chemistry, Northeast Normal University, Changchun, 130024, China
| | - Jingping Zhang
- Faculty of Chemistry, Northeast Normal University, Changchun, 130024, China
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91
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Taira T, Yanagimoto T, Sakai K, Sakai H, Endo A, Imura T. Self-assembling Properties of an N-Heterocyclic Carbene-based Metallosurfactant: Pd-Coordination Induced Formation of Reactive Interfaces in Water. J Oleo Sci 2018; 67:1107-1115. [PMID: 30175766 DOI: 10.5650/jos.ess18052] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
In this study, an N-heterocyclic carbene (NHC)-based metallosurfactant (MS), NHC-PdMS, was synthesized, where Pd(II) was bound to the NHC framework via a robust Pd-carbene bond with NEt3 as a co-ligand. Surface tension measurements revealed that the critical micelle concentration (CMC) of NHC-PdMS (1.8×10-4 M) was one order of magnitude lower than that of its MS precursor (imidazolium bromide). Coordination of the MS precursor and NEt3 to Pd(II) also influenced micelle size; the hydrodynamic diameters of NHC-PdMS and the MS precursor were observed to be 25.8±5.6 nm and 2.5±0.3 nm, respectively. Furthermore, small angle X-ray scattering measurements indicated that NHC-PdMS exhibited liquid crystalline behavior above 26 wt%, with a spacing ratio of 1:2:3 for the first, second, and third Bragg peaks. To understand the role of the reactive interface, NHC-PdMS was also applied to aqueous catalytic reactions. Owing to its low CMC value, a catalytic amount of NHC-PdMS (3 mol%) provided the reactive interface, which facilitated the aqueous Mizoroki-Heck reaction of various aryl iodides and styrene in good yields (72-95%). These results suggest that MS formation results in a drastic change in selfassembling properties, which are important for the development of highly reactive chemical interfaces in water.
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Affiliation(s)
- Toshiaki Taira
- Research Institute for Chemical Process Technology, National Institute of Advanced Industrial Science and Technology (AIST)
| | | | - Kenichi Sakai
- Faculty of Science and Technology, Tokyo University of Science
| | - Hideki Sakai
- Faculty of Science and Technology, Tokyo University of Science
| | - Akira Endo
- Research Institute for Chemical Process Technology, National Institute of Advanced Industrial Science and Technology (AIST)
| | - Tomohiro Imura
- Research Institute for Chemical Process Technology, National Institute of Advanced Industrial Science and Technology (AIST)
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92
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Zhang Y, Wang J, Zhu H, Tu T. N-Formylation of Amines with CO2
and H2
by Using NHC-Iridium Coordination Assemblies as Solid Molecular Catalysts. Chem Asian J 2018; 13:3018-3021. [DOI: 10.1002/asia.201800953] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2018] [Revised: 06/29/2018] [Indexed: 01/15/2023]
Affiliation(s)
- Yang Zhang
- Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials; Department of Chemistry; Fudan University; 2205 Songhu Road Shanghai 200438 China
| | - Jiaquan Wang
- Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials; Department of Chemistry; Fudan University; 2205 Songhu Road Shanghai 200438 China
| | - Haibo Zhu
- Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials; Department of Chemistry; Fudan University; 2205 Songhu Road Shanghai 200438 China
| | - Tao Tu
- Shanghai Key Laboratory of Molecular Catalysis and Innovative Materials; Department of Chemistry; Fudan University; 2205 Songhu Road Shanghai 200438 China
- State Key Laboratory of Organometallic Chemistry; Shanghai Institute of Organic Chemistry; Chinese Academy of Sciences; Shanghai 200032 China
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93
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Rozenberg I, Eivgi O, Frenklah A, Butilkov D, Kozuch S, Goldberg I, Lemcoff NG. Synthesis and Catalytic Properties of Sulfur-Chelated Ruthenium Benzylidenes Bearing a Cyclic (Alkyl)(amino)carbene Ligand. ACS Catal 2018. [DOI: 10.1021/acscatal.8b02122] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Illya Rozenberg
- Chemistry Department, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel
| | - Or Eivgi
- Chemistry Department, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel
| | - Alexander Frenklah
- Chemistry Department, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel
| | - Danielle Butilkov
- Chemistry Department, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel
| | - Sebastian Kozuch
- Chemistry Department, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel
| | - Israel Goldberg
- School of Chemistry, Tel-Aviv University, Tel-Aviv 69978, Israel
| | - N. Gabriel Lemcoff
- Chemistry Department, Ben-Gurion University of the Negev, Beer-Sheva 8410501, Israel
- Ilse Katz Institute for Nanoscale Science and Technology, Beer-Sheva 8410501, Israel
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94
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Li F, Wang J, Pei W, Ma H, Li H, Cui M, Peng S, Wang S, Liu L. Catalytic alkenylation of γ-substituted butenolides with cyclic N -sulfonylated imines in water leading to α-arylidene butenolide derivatives. Tetrahedron Lett 2018. [DOI: 10.1016/j.tetlet.2018.06.062] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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95
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Liu JQ, Gou XX, Han YF. Chelating Bis(N-Heterocyclic Carbene) Palladium-Catalyzed Reactions. Chem Asian J 2018; 13:2257-2276. [DOI: 10.1002/asia.201800583] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/16/2018] [Revised: 06/02/2018] [Indexed: 11/09/2022]
Affiliation(s)
- Ji-Quan Liu
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry; College of Chemistry and Materials Science; Northwest University; Xi'an 710127 P.R. China
| | - Xing-Xing Gou
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry; College of Chemistry and Materials Science; Northwest University; Xi'an 710127 P.R. China
| | - Ying-Feng Han
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry; College of Chemistry and Materials Science; Northwest University; Xi'an 710127 P.R. China
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96
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Albéniz AC. Reactive Palladium Carbenes: Migratory Insertion and Other Carbene–Hydrocarbyl Coupling Reactions on Well‐Defined Systems. Eur J Inorg Chem 2018. [DOI: 10.1002/ejic.201800597] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Ana C. Albéniz
- IU CINQUIMA/Química Inorgánica Universidad de Valladolid 47071 Valladolid Spain
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97
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N-Heterocyclic carbene–copper complex supported on ionic liquid-modified graphene oxide: versatile catalyst for synthesis of (i) 1,2,3-triazole and (ii) propargylamine derivatives. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2018. [DOI: 10.1007/s13738-018-1435-7] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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98
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Gan MM, Liu JQ, Zhang L, Wang YY, Hahn FE, Han YF. Preparation and Post-Assembly Modification of Metallosupramolecular Assemblies from Poly(N-Heterocyclic Carbene) Ligands. Chem Rev 2018; 118:9587-9641. [DOI: 10.1021/acs.chemrev.8b00119] [Citation(s) in RCA: 202] [Impact Index Per Article: 33.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Ming-Ming Gan
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry, College of Chemistry and Materials Science, Northwest University, Xi’an 710127, P. R. China
| | - Ji-Quan Liu
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry, College of Chemistry and Materials Science, Northwest University, Xi’an 710127, P. R. China
| | - Le Zhang
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry, College of Chemistry and Materials Science, Northwest University, Xi’an 710127, P. R. China
| | - Yao-Yu Wang
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry, College of Chemistry and Materials Science, Northwest University, Xi’an 710127, P. R. China
| | - F. Ekkehardt Hahn
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry, College of Chemistry and Materials Science, Northwest University, Xi’an 710127, P. R. China
- Institut für Anorganische und Analytische Chemie, Westfälische Wilhelms-Universität Münster, Corrensstraße 30, D-48149 Münster, Germany
| | - Ying-Feng Han
- Key Laboratory of Synthetic and Natural Functional Molecule Chemistry, College of Chemistry and Materials Science, Northwest University, Xi’an 710127, P. R. China
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Green, Efficient and Reusable Bis(imidazolium) Ionic Liquids Promoted Pd-Catalyzed Aqueous Suzuki Reaction for Organic Functional Materials. Catal Letters 2018. [DOI: 10.1007/s10562-018-2452-y] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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Sikorski W, Zawartka W, Trzeciak A. PEPPSI-type complexes with small NHC ligands obtained according to the new method efficiently catalyzed Suzuki-Miyaura reaction. J Organomet Chem 2018. [DOI: 10.1016/j.jorganchem.2018.01.033] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/16/2022]
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