1
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Teimouri M, Raju S, Acheampong E, Schmittou AN, Donnadieu B, Wipf DO, Pierce BS, Stokes SL, Emerson JP. Aminoquinoline-Based Tridentate ( NNN)-Copper Catalyst for C-N Bond-Forming Reactions from Aniline and Diazo Compounds. Molecules 2024; 29:730. [PMID: 38338473 PMCID: PMC10856582 DOI: 10.3390/molecules29030730] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2023] [Revised: 01/23/2024] [Accepted: 01/28/2024] [Indexed: 02/12/2024] Open
Abstract
A new tridentate Cu2+ complex based on (E)-1-(pyridin-2-yl)-N-(quinolin-8-yl)methanimine (PQM) was generated and characterized to support the activation of diazo compounds for the formation of new C-N bonds. This neutral Schiff base ligand was structurally characterized to coordinate with copper(II) in an equatorial fashion, yielding a distorted octahedral complex. Upon characterization, this copper(II) complex was used to catalyze an efficient and cost-effective protocol for C-N bond formation between N-nucleophiles and copper carbene complexes arising from the activation of diazo carbonyl compounds. A substrate scope of approximately 15 different amine-based substrates was screened, yielding 2° or 3° amine products with acceptable to good yields under mild reaction conditions. Reactivity towards phenol and thiophenol were also screened, showing relatively weak C-O or C-S bond formation under optimized conditions.
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Affiliation(s)
- Mohsen Teimouri
- Department of Chemistry, Mississippi State University, Starkville, MS 39762, USA (B.D.); (D.O.W.)
| | - Selvam Raju
- Department of Chemistry, Mississippi State University, Starkville, MS 39762, USA (B.D.); (D.O.W.)
| | - Edward Acheampong
- Department of Chemistry, Mississippi State University, Starkville, MS 39762, USA (B.D.); (D.O.W.)
| | - Allison N. Schmittou
- Department of Chemistry and Biochemistry, The University of Alabama, 3097D Shelby Hall, Tuscaloosa, AL 35487, USA
| | - Bruno Donnadieu
- Department of Chemistry, Mississippi State University, Starkville, MS 39762, USA (B.D.); (D.O.W.)
| | - David O. Wipf
- Department of Chemistry, Mississippi State University, Starkville, MS 39762, USA (B.D.); (D.O.W.)
| | - Brad S. Pierce
- Department of Chemistry and Biochemistry, The University of Alabama, 3097D Shelby Hall, Tuscaloosa, AL 35487, USA
| | - Sean L. Stokes
- Department of Chemistry, Mississippi State University, Starkville, MS 39762, USA (B.D.); (D.O.W.)
| | - Joseph P. Emerson
- Department of Chemistry, Mississippi State University, Starkville, MS 39762, USA (B.D.); (D.O.W.)
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2
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Francis S, Rice CR, Scattergood PA, Elliott PIP. Synthesis and characterisation of group 8 tris(1-benzyl-1,2,3-triazol-4-yl)- p-anisolylmethane complexes. Dalton Trans 2022; 51:13692-13702. [PMID: 36001010 DOI: 10.1039/d2dt02503e] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The tris(1,2,3-triazol-4-yl)methane framework offers a highly versatile architecture for ligand design, yet the coordination chemistry of this class of ligand remains largely unexplored. We report here the synthesis and characterisation of the homoleptic complexes [M(ttzm)2](PF6)2 (ttzm = tris(1-benzyl-1,2,3-triazol-4-yl)-p-anisolylmethane; M = Fe (Fe), Ru (Ru), Os (Os)). Initial attempts to prepare Ru by reaction of [Ru(p-cymene)Cl2]2 and ttzm also led to the isolation of the heteroleptic complex [Ru(p-cymene)(ttzm)](PF6)2. The structures of [Ru(p-cymene)(ttzm)](PF6)2, [Fe(ttzm)2]2+ (as its BPh4- salt) and Os were solved by X-ray diffraction. The homoleptic Fe(II) and Os(II) containing cations adopt distorted octahedral geometries due to the steric interactions between the ansiole and triazole rings of the ttzm ligands. The homoleptic complexes all adopt a low-spin d6 configuration and exhibit reversible M(II)/M(III) processes (+0.35 to +0.72 V vs. Fc/Fc+). These oxidation processes are cathodically shifted relative to those of related hexatriazole donor based complexes with density functional theory (DFT) calculations showing the metal d-orbitals are destabilised through a π-donor contribution from the triazole rings. The complexes all show prominent UV-visible absorption bands between 350 and 450 nm assigned to transitions of 1MLCT character. Whilst none of the homoleptic complexes are emissive in room temperature fluid solutions, Os is emissive at 77 K in an EtOH/MeOH glass (λmax 472 nm).
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Affiliation(s)
- Samuel Francis
- Department of Chemical Sciences & Centre for Functional Materials, University of Huddersfield, Queensgate, Huddersfield, HD1 3DH, UK.
| | - Craig R Rice
- Department of Chemical Sciences & Centre for Functional Materials, University of Huddersfield, Queensgate, Huddersfield, HD1 3DH, UK.
| | - Paul A Scattergood
- Department of Chemical Sciences & Centre for Functional Materials, University of Huddersfield, Queensgate, Huddersfield, HD1 3DH, UK.
| | - Paul I P Elliott
- Department of Chemical Sciences & Centre for Functional Materials, University of Huddersfield, Queensgate, Huddersfield, HD1 3DH, UK.
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3
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He Y, Huang Z, Wu K, Ma J, Zhou YG, Yu Z. Recent advances in transition-metal-catalyzed carbene insertion to C-H bonds. Chem Soc Rev 2022; 51:2759-2852. [PMID: 35297455 DOI: 10.1039/d1cs00895a] [Citation(s) in RCA: 82] [Impact Index Per Article: 41.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
C-H functionalization has been emerging as a powerful method to establish carbon-carbon and carbon-heteroatom bonds. Many efforts have been devoted to transition-metal-catalyzed direct transformations of C-H bonds. Metal carbenes generated in situ from transition-metal compounds and diazo or its equivalents are usually applied as the transient reactive intermediates to furnish a catalytic cycle for new C-C and C-X bond formation. Using this strategy compounds from unactivated simple alkanes to complex molecules can be further functionalized or transformed to multi-functionalized compounds. In this area, transition-metal-catalyzed carbene insertion to C-H bonds has been paid continuous attention. Diverse catalyst design strategies, synthetic methods, and potential applications have been developed. This critical review will summarize the advance in transition-metal-catalyzed carbene insertion to C-H bonds dated up to July 2021, by the categories of C-H bonds from aliphatic C(sp3)-H, aryl (aromatic) C(sp2)-H, heteroaryl (heteroaromatic) C(sp2)-H bonds, alkenyl C(sp2)-H, and alkynyl C(sp)-H, as well as asymmetric carbene insertion to C-H bonds, and more coverage will be given to the recent work. Due to the rapid development of the C-H functionalization area, future directions in this topic are also discussed. This review will give the authors an overview of carbene insertion chemistry in C-H functionalization with focus on the catalytic systems and synthetic applications in C-C bond formation.
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Affiliation(s)
- Yuan He
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, P. R. China. .,University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Zilong Huang
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, P. R. China. .,University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Kaikai Wu
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, P. R. China.
| | - Juan Ma
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, P. R. China. .,University of Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Yong-Gui Zhou
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, P. R. China.
| | - Zhengkun Yu
- Dalian Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan Road, Dalian 116023, P. R. China. .,State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 354 Fenglin Road, Shanghai 200032, P. R. China.,Innovation Academy for Green Manufacture, Chinese Academy of Sciences, Beijing 100190, P. R. China
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4
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Mehara J, Watson BT, Noonikara-Poyil A, Zacharias AO, Roithová J, Rasika Dias HV. Binding Interactions in Copper, Silver and Gold π-Complexes. Chemistry 2022; 28:e202103984. [PMID: 35076112 PMCID: PMC9305286 DOI: 10.1002/chem.202103984] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2021] [Indexed: 12/14/2022]
Abstract
The copper(I), silver(I), and gold(I) metals bind π‐ligands by σ‐bonding and π‐back bonding interactions. These interactions were investigated using bidentate ancillary ligands with electron donating and withdrawing substituents. The π‐ligands span from ethylene to larger terminal and internal alkenes and alkynes. Results of X‐ray crystallography, NMR, and IR spectroscopy and gas phase experiments show that the binding energies increase in the order Ag<Cu<Au and the binding energies are slightly higher for alkynes than for alkenes. Modulation of the electron density at the metal using substituents on the ancillary ligands shows that the π‐back bonding interaction plays a dominant role for the binding in the copper and gold complexes.
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Affiliation(s)
- Jaya Mehara
- Department of Spectroscopy and Catalysis, Institute for Molecules and Materials, Radboud University Nijmegen, Heyendaalseweg 135, 6525 AJ, Nijmegen (The, Netherlands
| | - Brandon T Watson
- Department of Chemistry and Biochemistry, The University of Texas at Arlington, Arlington, Texas, 76019, USA
| | - Anurag Noonikara-Poyil
- Department of Chemistry and Biochemistry, The University of Texas at Arlington, Arlington, Texas, 76019, USA
| | - Adway O Zacharias
- Department of Chemistry and Biochemistry, The University of Texas at Arlington, Arlington, Texas, 76019, USA
| | - Jana Roithová
- Department of Spectroscopy and Catalysis, Institute for Molecules and Materials, Radboud University Nijmegen, Heyendaalseweg 135, 6525 AJ, Nijmegen (The, Netherlands
| | - H V Rasika Dias
- Department of Chemistry and Biochemistry, The University of Texas at Arlington, Arlington, Texas, 76019, USA
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5
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Lin Y, Wang F, Lu GP, Zhang X. Ethyl cellulose derived porous iron@N-doped carbon material for N–H carbene insertion reaction. Tetrahedron 2021. [DOI: 10.1016/j.tet.2021.132432] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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6
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Rodríguez MR, Molina F, Etayo P, Pericàs MA, Pérez PJ, Díaz‐Requejo MM. Heterogeneous Olefin Aziridination Reactions Catalyzed by Polymer‐Bound Tris(triazolyl)methane Copper Complexes. Eur J Inorg Chem 2021. [DOI: 10.1002/ejic.202100526] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Manuel R. Rodríguez
- Laboratorio de Catálisis Homogénea Unidad Asociada al CSIC CIQSO-Centro de Investigación en Química Sostenible and Departamento de Química Universidad de Huelva Campus de El Carmen 21007 Huelva Spain
| | - Francisco Molina
- Laboratorio de Catálisis Homogénea Unidad Asociada al CSIC CIQSO-Centro de Investigación en Química Sostenible and Departamento de Química Universidad de Huelva Campus de El Carmen 21007 Huelva Spain
| | - Pablo Etayo
- Institute of Chemical Research of Catalonia (ICIQ) The Barcelona Institute of Science and Technology (BIST) Avda. Països Catalans 16 43007 Tarragona Spain
| | - Miquel A. Pericàs
- Institute of Chemical Research of Catalonia (ICIQ) The Barcelona Institute of Science and Technology (BIST) Avda. Països Catalans 16 43007 Tarragona Spain
- Departament de Química Inorgànica i Orgánica Universitat de Barcelona 08028 Barcelona Spain
| | - Pedro J. Pérez
- Laboratorio de Catálisis Homogénea Unidad Asociada al CSIC CIQSO-Centro de Investigación en Química Sostenible and Departamento de Química Universidad de Huelva Campus de El Carmen 21007 Huelva Spain
| | - M. Mar Díaz‐Requejo
- Laboratorio de Catálisis Homogénea Unidad Asociada al CSIC CIQSO-Centro de Investigación en Química Sostenible and Departamento de Química Universidad de Huelva Campus de El Carmen 21007 Huelva Spain
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7
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García-Lacuna J, Domínguez G, Pérez-Castells J. Flow Chemistry for Cycloaddition Reactions. CHEMSUSCHEM 2020; 13:5138-5163. [PMID: 32662578 DOI: 10.1002/cssc.202001372] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 06/30/2020] [Indexed: 06/11/2023]
Abstract
Continuous flow reactors form part of a rapidly growing research area that has changed the way synthetic chemistry is performed not only in academia but also at the industrial level. This Review highlights the most recent advances in cycloaddition reactions performed in flow systems. Cycloadditions are atom-efficient transformations for the synthesis of carbo- and heterocycles, involved in the construction of challenging skeletons of complex molecules. The main advantages of translating these processes into flow include using intensified conditions, safer handling of hazardous reagents and gases, easy tuning of reaction conditions, and straightforward scaling up. These benefits are especially important in cycloadditions such as the copper(I)-catalyzed azide alkyne cycloaddition (CuAAC), Diels-Alder reaction, ozonolysis and [2+2] photocycloadditions. Some of these transformations are key reactions in the industrial synthesis of pharmaceuticals.
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Affiliation(s)
- Jorge García-Lacuna
- Department of Chemistry and Biochemistry, Facultad de Farmacia, Universidad San Pablo-CEU, CEU Universities Urbanización Montepríncipe, 28660, Boadilla del Monte, Madrid, Spain
| | - Gema Domínguez
- Department of Chemistry and Biochemistry, Facultad de Farmacia, Universidad San Pablo-CEU, CEU Universities Urbanización Montepríncipe, 28660, Boadilla del Monte, Madrid, Spain
| | - Javier Pérez-Castells
- Department of Chemistry and Biochemistry, Facultad de Farmacia, Universidad San Pablo-CEU, CEU Universities Urbanización Montepríncipe, 28660, Boadilla del Monte, Madrid, Spain
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8
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Li M, Sun Y, Xie Y, Yu Y, Huang F, Huang H. Copper-catalyzed carbene insertion and ester migration for the synthesis of polysubstituted pyrroles. Chem Commun (Camb) 2020; 56:11050-11053. [DOI: 10.1039/d0cc04157b] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A mild synthetic protocol to access 2-ester pyrroles through Cu(OTf)2-catalysed carbene insertion/ester migration/cyclization of enaminones and α-diazo compounds is reported.
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Affiliation(s)
- Mingrui Li
- School of Pharmaceutical Sciences
- Nanjing Tech University
- Nanjing 211816
- P. R. China
| | - Yiming Sun
- School of Pharmaceutical Sciences
- Nanjing Tech University
- Nanjing 211816
- P. R. China
| | - Yuxing Xie
- School of Food Science and Pharmaceutical Engineering
- Nanjing Normal University
- Nanjing 210023
- P. R. China
| | - Yang Yu
- School of Environmental Science and Engineering
- Nanjing Tech University
- Nanjing 211816
- P. R. China
| | - Fei Huang
- School of Pharmaceutical Sciences
- Nanjing Tech University
- Nanjing 211816
- P. R. China
- School of Food Science and Pharmaceutical Engineering
| | - He Huang
- School of Pharmaceutical Sciences
- Nanjing Tech University
- Nanjing 211816
- P. R. China
- School of Food Science and Pharmaceutical Engineering
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9
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Bohman B, Weinstein AM, Phillips RD, Peakall R, Flematti GR. 2-(Tetrahydrofuran-2-yl)acetic Acid and Ester Derivatives as Long-Range Pollinator Attractants in the Sexually Deceptive Orchid Cryptostylis ovata. JOURNAL OF NATURAL PRODUCTS 2019; 82:1107-1113. [PMID: 30920220 DOI: 10.1021/acs.jnatprod.8b00772] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Sexually deceptive orchids achieve pollination by luring male insects to flowers through chemical and sometimes visual mimicry of females. An extreme example of this deception occurs in Cryptostylis, one of only two genera where sexual deception is known to induce pollinator ejaculation. In the present study, bioassay-guided fractionations of Cryptostylis solvent extracts in combination with field bioassays were implemented to isolate and identify floral volatiles attractive to the pollinator Lissopimpla excelsa. ( S)-2-(Tetrahydrofuran-2-yl)acetic acid [( S)-1] and the ester derivatives methyl ( S)-2-(tetrahydrofuran-2-yl)acetate [( S)-2] and ethyl ( S)-2-(tetrahydrofuran-2-yl)acetate [( S)-3], all previously unknown semiochemicals, were confirmed to attract L. excelsa males in field bioassays. Chiral-phase GC and HPLC showed that the natural product 1 comprised a single enantiomer, its S-configuration being confirmed by synthesis of the two enantiomers from known enantiomers of tetrahydrofuran-2-carboxylic acid.
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Affiliation(s)
- Björn Bohman
- School of Molecular Sciences , The University of Western Australia , Crawley , WA 6009 , Australia
- Ecology and Evolution, Research School of Biology , The Australian National University , Canberra , ACT 2600 , Australia
| | - Alyssa M Weinstein
- School of Molecular Sciences , The University of Western Australia , Crawley , WA 6009 , Australia
- Ecology and Evolution, Research School of Biology , The Australian National University , Canberra , ACT 2600 , Australia
| | - Ryan D Phillips
- Ecology and Evolution, Research School of Biology , The Australian National University , Canberra , ACT 2600 , Australia
- Department of Ecology, Environment and Evolution , La Trobe University , Melbourne , Victoria 3086 , Australia
- Department of Biodiversity Conservation and Attractions , Kings Park Science , 1 Kattidj Close , West Perth , WA , Australia
| | - Rod Peakall
- School of Molecular Sciences , The University of Western Australia , Crawley , WA 6009 , Australia
- Ecology and Evolution, Research School of Biology , The Australian National University , Canberra , ACT 2600 , Australia
| | - Gavin R Flematti
- School of Molecular Sciences , The University of Western Australia , Crawley , WA 6009 , Australia
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10
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Kritchenkov IS, Shakirova JR, Tunik SP. Efficient one-pot green synthesis of tetrakis(acetonitrile)copper(i) complex in aqueous media. RSC Adv 2019; 9:15531-15535. [PMID: 35514835 PMCID: PMC9064342 DOI: 10.1039/c8ra10564b] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2018] [Accepted: 05/13/2019] [Indexed: 11/21/2022] Open
Abstract
New simple, fast, effective and environmentally friendly one-pot method for the synthesis of extensively used tetrakis(acetonitrile)copper(i) complexes with BF4−, PF6− and ClO4− counterions is invented and optimized. The approach suggested allows using water as solvent and minimizes amounts of toxic organic reagents in the synthetic protocol. New simple, fast, effective and environmentally friendly one-pot method for the synthesis of extensively used tetrakis(acetonitrile)copper(i) complexes with BF4−, PF6− and ClO4− counterions is invented and optimized.![]()
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Affiliation(s)
- Ilya S Kritchenkov
- St. Petersburg State University 7/9 Universitetskaya emb. 199034 St. Petersburg Russia
| | - Julia R Shakirova
- St. Petersburg State University 7/9 Universitetskaya emb. 199034 St. Petersburg Russia
| | - Sergey P Tunik
- St. Petersburg State University 7/9 Universitetskaya emb. 199034 St. Petersburg Russia
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11
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Zhang J, Shan C, Zhang T, Song J, Liu T, Lan Y. Computational advances aiding mechanistic understanding of silver-catalyzed carbene/nitrene/silylene transfer reactions. Coord Chem Rev 2019. [DOI: 10.1016/j.ccr.2018.12.009] [Citation(s) in RCA: 30] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
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12
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Hommelsheim R, Guo Y, Yang Z, Empel C, Koenigs RM. Blue‐Light‐Induced Carbene‐Transfer Reactions of Diazoalkanes. Angew Chem Int Ed Engl 2019; 58:1203-1207. [DOI: 10.1002/anie.201811991] [Citation(s) in RCA: 133] [Impact Index Per Article: 26.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Revised: 11/13/2018] [Indexed: 01/02/2023]
Affiliation(s)
- Renè Hommelsheim
- Institute of Organic ChemistryRWTH Aachen University Landoltweg 1 52074 Aachen Germany
| | - Yujing Guo
- Institute of Organic ChemistryRWTH Aachen University Landoltweg 1 52074 Aachen Germany
| | - Zhen Yang
- Institute of Organic ChemistryRWTH Aachen University Landoltweg 1 52074 Aachen Germany
| | - Claire Empel
- Institute of Organic ChemistryRWTH Aachen University Landoltweg 1 52074 Aachen Germany
| | - Rene M. Koenigs
- Institute of Organic ChemistryRWTH Aachen University Landoltweg 1 52074 Aachen Germany
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13
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He F, Koenigs RM. Visible light mediated, metal-free carbene transfer reactions of diazoalkanes with propargylic alcohols. Chem Commun (Camb) 2019; 55:4881-4884. [DOI: 10.1039/c9cc00927b] [Citation(s) in RCA: 58] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The photolysis of donor–acceptor diazoalkanes in the presence of propargylic alcohols furnishes valuable, sterically demanding tetra-substituted cyclopropenes in high yield under metal-free conditions.
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Affiliation(s)
- Feifei He
- RWTH Aachen University
- Institute of Organic Chemistry
- D-52074 Aachen
- Germany
| | - Rene M. Koenigs
- RWTH Aachen University
- Institute of Organic Chemistry
- D-52074 Aachen
- Germany
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14
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Zhang CT, Zhu R, Wang Z, Ma B, Zajac A, Smiglak M, Xia CN, Castle S, Wang WL. Continuous flow synthesis of diaryl ketones by coupling of aryl Grignard reagents with acyl chlorides under mild conditions in the ecofriendly solvent 2-methyltetrahydrofuran. RSC Adv 2019; 9:2199-2204. [PMID: 35516141 PMCID: PMC9059842 DOI: 10.1039/c8ra07447j] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2018] [Accepted: 01/10/2019] [Indexed: 12/15/2022] Open
Abstract
An efficient continuous flow sequential synthesis of diaryl ketones was achieved by coupling of aryl Grignard reagents with acyl chlorides in the bio-derived “green” solvent 2-methyltetrahydrofuran (2-MeTHF) under mild reaction conditions (ambient temperature, 1 hour), allowing a safe and on-demand generation of 2-(3-benzoylphenyl)propionitrile with a productivity of 3.16 g hour−1. Continuous flow method for parallel synthesis of diaryl ketones using commercially available reagents.![]()
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Affiliation(s)
- Chuan-Tao Zhang
- School of Pharmaceutical Science
- Jiangnan University
- Wuxi
- China
| | - Rui Zhu
- School of Pharmaceutical Science
- Jiangnan University
- Wuxi
- China
| | - Zheng Wang
- School of Pharmaceutical Science
- Jiangnan University
- Wuxi
- China
| | - Bing Ma
- Hybrid-Chem Technologies
- Shanghai
- China
| | - Adrian Zajac
- Poznan Science and Technology Park
- Adam Mickiewicz University Foundation
- Poznan
- Poland
| | - Marcin Smiglak
- Poznan Science and Technology Park
- Adam Mickiewicz University Foundation
- Poznan
- Poland
| | | | - Steven L. Castle
- Department of Chemistry and Biochemistry
- Brigham Young University
- Provo
- USA
| | - Wen-Long Wang
- School of Pharmaceutical Science
- Jiangnan University
- Wuxi
- China
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15
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Hommelsheim R, Guo Y, Yang Z, Empel C, Koenigs RM. Durch blaues Licht induzierte Carbentransferreaktionen von Diazoalkanen. Angew Chem Int Ed Engl 2018. [DOI: 10.1002/ange.201811991] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Renè Hommelsheim
- Institut für Organische ChemieRWTH Aachen University Landoltweg 1 52074 Aachen Deutschland
| | - Yujing Guo
- Institut für Organische ChemieRWTH Aachen University Landoltweg 1 52074 Aachen Deutschland
| | - Zhen Yang
- Institut für Organische ChemieRWTH Aachen University Landoltweg 1 52074 Aachen Deutschland
| | - Claire Empel
- Institut für Organische ChemieRWTH Aachen University Landoltweg 1 52074 Aachen Deutschland
| | - Rene M. Koenigs
- Institut für Organische ChemieRWTH Aachen University Landoltweg 1 52074 Aachen Deutschland
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16
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Colella M, Carlucci C, Luisi R. Supported Catalysts for Continuous Flow Synthesis. Top Curr Chem (Cham) 2018; 376:46. [DOI: 10.1007/s41061-018-0225-0] [Citation(s) in RCA: 32] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2018] [Accepted: 11/15/2018] [Indexed: 12/14/2022]
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17
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Rodríguez‐Escrich C, Pericàs MA. Catalytic Enantioselective Flow Processes with Solid‐Supported Chiral Catalysts. CHEM REC 2018; 19:1872-1890. [DOI: 10.1002/tcr.201800097] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2018] [Accepted: 09/02/2018] [Indexed: 11/08/2022]
Affiliation(s)
- Carles Rodríguez‐Escrich
- Institute of Chemical Research of Catalonia (ICIQ)The Barcelona Institute of Science and Technology (BIST) Avinguda Països Catalans 16 43007 Tarragona Spain
| | - Miquel A. Pericàs
- Institute of Chemical Research of Catalonia (ICIQ)The Barcelona Institute of Science and Technology (BIST) Avinguda Països Catalans 16 43007 Tarragona Spain
- Departament de Química OrgànicaUniversitat de Barcelona 08080 Barcelona Spain
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18
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Chen L, Leslie D, Coleman MG, Mack J. Recyclable heterogeneous metal foil-catalyzed cyclopropenation of alkynes and diazoacetates under solvent-free mechanochemical reaction conditions. Chem Sci 2018; 9:4650-4661. [PMID: 29899959 PMCID: PMC5969500 DOI: 10.1039/c8sc00443a] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2018] [Accepted: 04/19/2018] [Indexed: 01/07/2023] Open
Abstract
Silver and copper foil were found to be effective, versatile and selective heterogeneous catalysts for the cyclopropenation of terminal and internal alkynes under mechanochemical reaction conditions.
Silver and copper foil were found to be effective, versatile and selective heterogeneous catalysts for the cyclopropenation of terminal and internal alkynes under mechanochemical reaction conditions. This methodology enables the functionalization of a wide range of terminal or internal alkynes under ambient, aerobic, and solvent-free conditions. Finally, we have demonstrated a unique and versatile one-pot domino Sonogashira-cyclopropenation mechanochemical reaction for the formation of complex cyclopropenes.
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Affiliation(s)
- Longrui Chen
- Department of Chemistry , University of Cincinnati , Cincinnati , Ohio 45221-0037 , USA .
| | - Devonna Leslie
- School of Chemistry and Materials Science , Rochester Institute of Technology , Rochester , New York 14623-5604 , USA .
| | - Michael G Coleman
- School of Chemistry and Materials Science , Rochester Institute of Technology , Rochester , New York 14623-5604 , USA .
| | - James Mack
- Department of Chemistry , University of Cincinnati , Cincinnati , Ohio 45221-0037 , USA .
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19
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20
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Chen L, Cui H, Wang Y, Liang X, Zhang L, Su CY. Carbene insertion into N–H bonds with size-selectivity induced by a microporous ruthenium–porphyrin metal–organic framework. Dalton Trans 2018; 47:3940-3946. [DOI: 10.1039/c8dt00434j] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A stable and porous porphyrinic metal–organic framework Ru-PMOF-1(Hf) has been prepared and used for N–H insertion reactions with high efficiency and selectivity.
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Affiliation(s)
- Lianfen Chen
- MOE Laboratory of Bioinorganic and Synthetic Chemistry
- Lehn Institute of Functional Materials
- School of Chemistry
- Sun Yat-sen University
- Guangzhou 510275
| | - Hao Cui
- MOE Laboratory of Bioinorganic and Synthetic Chemistry
- Lehn Institute of Functional Materials
- School of Chemistry
- Sun Yat-sen University
- Guangzhou 510275
| | - Yanhu Wang
- MOE Laboratory of Bioinorganic and Synthetic Chemistry
- Lehn Institute of Functional Materials
- School of Chemistry
- Sun Yat-sen University
- Guangzhou 510275
| | - Xiang Liang
- MOE Laboratory of Bioinorganic and Synthetic Chemistry
- Lehn Institute of Functional Materials
- School of Chemistry
- Sun Yat-sen University
- Guangzhou 510275
| | - Li Zhang
- MOE Laboratory of Bioinorganic and Synthetic Chemistry
- Lehn Institute of Functional Materials
- School of Chemistry
- Sun Yat-sen University
- Guangzhou 510275
| | - Cheng-Yong Su
- MOE Laboratory of Bioinorganic and Synthetic Chemistry
- Lehn Institute of Functional Materials
- School of Chemistry
- Sun Yat-sen University
- Guangzhou 510275
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21
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22
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Covalent-bonding to irreducible SiO2 leads to high-loading and atomically dispersed metal catalysts. J Catal 2017. [DOI: 10.1016/j.jcat.2017.07.030] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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23
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Fortea-Pérez FR, Mon M, Ferrando-Soria J, Boronat M, Leyva-Pérez A, Corma A, Herrera JM, Osadchii D, Gascon J, Armentano D, Pardo E. The MOF-driven synthesis of supported palladium clusters with catalytic activity for carbene-mediated chemistry. NATURE MATERIALS 2017; 16:760-766. [PMID: 28604715 DOI: 10.1038/nmat4910] [Citation(s) in RCA: 168] [Impact Index Per Article: 24.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/30/2016] [Accepted: 04/20/2017] [Indexed: 05/10/2023]
Abstract
The development of catalysts able to assist industrially important chemical processes is a topic of high importance. In view of the catalytic capabilities of small metal clusters, research efforts are being focused on the synthesis of novel catalysts bearing such active sites. Here we report a heterogeneous catalyst consisting of Pd4 clusters with mixed-valence 0/+1 oxidation states, stabilized and homogeneously organized within the walls of a metal-organic framework (MOF). The resulting solid catalyst outperforms state-of-the-art metal catalysts in carbene-mediated reactions of diazoacetates, with high yields (>90%) and turnover numbers (up to 100,000). In addition, the MOF-supported Pd4 clusters retain their catalytic activity in repeated batch and flow reactions (>20 cycles). Our findings demonstrate how this synthetic approach may now instruct the future design of heterogeneous catalysts with advantageous reaction capabilities for other important processes.
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Affiliation(s)
- Francisco R Fortea-Pérez
- Departamento de Química Inorgánica, Instituto de Ciencia Molecular (ICMOL), Universidad de Valencia, 46980 Paterna, Valencia, Spain
| | - Marta Mon
- Departamento de Química Inorgánica, Instituto de Ciencia Molecular (ICMOL), Universidad de Valencia, 46980 Paterna, Valencia, Spain
| | - Jesús Ferrando-Soria
- Departamento de Química Inorgánica, Instituto de Ciencia Molecular (ICMOL), Universidad de Valencia, 46980 Paterna, Valencia, Spain
| | - Mercedes Boronat
- Instituto de Tecnología Química (UPV-CSIC), Universidad Politècnica de València-Consejo Superior de Investigaciones Científicas, Avda. de los Naranjos s/n, 46022 Valencia, Spain
| | - Antonio Leyva-Pérez
- Instituto de Tecnología Química (UPV-CSIC), Universidad Politècnica de València-Consejo Superior de Investigaciones Científicas, Avda. de los Naranjos s/n, 46022 Valencia, Spain
| | - Avelino Corma
- Instituto de Tecnología Química (UPV-CSIC), Universidad Politècnica de València-Consejo Superior de Investigaciones Científicas, Avda. de los Naranjos s/n, 46022 Valencia, Spain
| | - Juan Manuel Herrera
- Departamento de Química Inorgánica, Facultad de Ciencias, Universidad de Granada, Avda. Fuentenueva s/n, 18071 Granada, Spain
| | - Dmitrii Osadchii
- Catalysis Engineering-Chemical Engineering Dept, Delft University of Technology, Julianalaan 136, 2628 BL Delft, The Netherlands
| | - Jorge Gascon
- Catalysis Engineering-Chemical Engineering Dept, Delft University of Technology, Julianalaan 136, 2628 BL Delft, The Netherlands
| | - Donatella Armentano
- Dipartimento di Chimica e Tecnologie Chimiche, Università della Calabria, 87030 Rende, Cosenza, Italy
| | - Emilio Pardo
- Departamento de Química Inorgánica, Instituto de Ciencia Molecular (ICMOL), Universidad de Valencia, 46980 Paterna, Valencia, Spain
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24
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Huang F, Liu Z, Wang Q, Lou J, Yu Z. Copper-Catalyzed Formal Carbene Migratory Insertion into Internal Olefinic C═C Bonds with N-Tosylhydrazones To Access Iminofuran and 2(3H)-Furanone Derivatives. Org Lett 2017; 19:3660-3663. [DOI: 10.1021/acs.orglett.7b01668] [Citation(s) in RCA: 36] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Fei Huang
- Dalian
Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan
Road, Dalian 116023, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zhuqing Liu
- Dalian
Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan
Road, Dalian 116023, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Quannan Wang
- Dalian
Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan
Road, Dalian 116023, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Jiang Lou
- Dalian
Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan
Road, Dalian 116023, China
- University of Chinese Academy of Sciences, Beijing 100049, China
| | - Zhengkun Yu
- Dalian
Institute of Chemical Physics, Chinese Academy of Sciences, 457 Zhongshan
Road, Dalian 116023, China
- State
Key Laboratory of Organometallic Chemistry, Shanghai Institute of
Organic Chemistry, Chinese Academy of Sciences, 354 Fenglin Road, Shanghai 200032, China
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25
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Plutschack MB, Pieber B, Gilmore K, Seeberger PH. The Hitchhiker's Guide to Flow Chemistry ∥. Chem Rev 2017; 117:11796-11893. [PMID: 28570059 DOI: 10.1021/acs.chemrev.7b00183] [Citation(s) in RCA: 1033] [Impact Index Per Article: 147.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Flow chemistry involves the use of channels or tubing to conduct a reaction in a continuous stream rather than in a flask. Flow equipment provides chemists with unique control over reaction parameters enhancing reactivity or in some cases enabling new reactions. This relatively young technology has received a remarkable amount of attention in the past decade with many reports on what can be done in flow. Until recently, however, the question, "Should we do this in flow?" has merely been an afterthought. This review introduces readers to the basic principles and fundamentals of flow chemistry and critically discusses recent flow chemistry accounts.
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Affiliation(s)
- Matthew B Plutschack
- Department of Biomolecular Systems, Max-Planck Institute of Colloids and Interfaces , Am Mühlenberg 1, 14476 Potsdam, Germany
| | - Bartholomäus Pieber
- Department of Biomolecular Systems, Max-Planck Institute of Colloids and Interfaces , Am Mühlenberg 1, 14476 Potsdam, Germany
| | - Kerry Gilmore
- Department of Biomolecular Systems, Max-Planck Institute of Colloids and Interfaces , Am Mühlenberg 1, 14476 Potsdam, Germany
| | - Peter H Seeberger
- Department of Biomolecular Systems, Max-Planck Institute of Colloids and Interfaces , Am Mühlenberg 1, 14476 Potsdam, Germany.,Institute of Chemistry and Biochemistry, Department of Biology, Chemistry and Pharmacy, Freie Universität Berlin , Arnimallee 22, 14195 Berlin, Germany
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26
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Drabina P, Svoboda J, Sedlák M. Recent Advances in C-C and C-N Bond Forming Reactions Catalysed by Polystyrene-Supported Copper Complexes. Molecules 2017; 22:E865. [PMID: 28538656 PMCID: PMC6152779 DOI: 10.3390/molecules22060865] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2017] [Revised: 05/11/2017] [Accepted: 05/19/2017] [Indexed: 11/17/2022] Open
Abstract
This present mini-review covers recently published results on Cu(I) and Cu(II) complexes immobilized on polystyrene carriers, which are used as heterogeneous, eco-friendly reusable catalysts applied for carbon-carbon and carbon-nitrogen forming reactions. Recent advances and trends in this area are demonstrated in the examples of oxidative homocoupling of terminal alkynes, the synthesis of propargylamines, nitroaldolization reactions, azide alkyne cycloaddition, N-arylation of nitrogen containing compounds, aza-Michael additions, asymmetric Friedel-Crafts reactions, asymmetric Mukaiyama aldol reactions, and asymmetric 1,3-dipolar cycloaddition of azomethine ylides. The type of polystyrene matrix used for the immobilization of complexes is discussed in this paper, and particularly, the efficiency of the catalysts from the point of view of the overall reaction yield, and possible enantioselectivity and potential reusing, is reviewed.
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Affiliation(s)
- Pavel Drabina
- Institute of Organic Chemistry and Technology, Faculty of Chemical Technology, University of Pardubice, Studentská 573, 532 10 Pardubice, Czech Republic.
| | - Jan Svoboda
- Institute of Organic Chemistry and Technology, Faculty of Chemical Technology, University of Pardubice, Studentská 573, 532 10 Pardubice, Czech Republic.
| | - Miloš Sedlák
- Institute of Organic Chemistry and Technology, Faculty of Chemical Technology, University of Pardubice, Studentská 573, 532 10 Pardubice, Czech Republic.
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27
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Etayo P, Escudero-Adán EC, Pericàs MA. 5,5′-Bistriazoles as axially chiral, multidentate ligands: synthesis, configurational stability and catalytic application of their scandium(iii) complexes. Catal Sci Technol 2017. [DOI: 10.1039/c7cy01518f] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The design and development of 5,5′-bistriazoles featuring aminomethyl substituents is discussed.
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Affiliation(s)
- Pablo Etayo
- Institute of Chemical Research of Catalonia (ICIQ)
- The Barcelona Institute of Science and Technology (BIST)
- E-43007 Tarragona
- Spain
| | - Eduardo C. Escudero-Adán
- Institute of Chemical Research of Catalonia (ICIQ)
- The Barcelona Institute of Science and Technology (BIST)
- E-43007 Tarragona
- Spain
| | - Miquel A. Pericàs
- Institute of Chemical Research of Catalonia (ICIQ)
- The Barcelona Institute of Science and Technology (BIST)
- E-43007 Tarragona
- Spain
- Departament de Química Inorgànica i Orgànica
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28
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The chemistry of the carbon-transition metal double and triple bond: Annual survey covering the year 2015. Coord Chem Rev 2016. [DOI: 10.1016/j.ccr.2016.08.007] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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29
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Zurro M, Mancheño OG. 1,2,3,-Triazole-Based Catalysts: From Metal- to Supramolecular Organic Catalysis. CHEM REC 2016; 17:485-498. [DOI: 10.1002/tcr.201600104] [Citation(s) in RCA: 34] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2016] [Accepted: 09/12/2016] [Indexed: 12/22/2022]
Affiliation(s)
- Mercedes Zurro
- Institute for Organic Chemistry; University of Regensburg; Universitätsstrasse 31 93053 Regensburg Germany
| | - Olga García Mancheño
- Institute for Organic Chemistry; University of Regensburg; Universitätsstrasse 31 93053 Regensburg Germany
- Straubing Center of Science for Renewable Resources (WZS); Schulgasse 16 94315 Straubing Germany
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30
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Salvo AMP, Giacalone F, Gruttadauria M. Advances in Organic and Organic-Inorganic Hybrid Polymeric Supports for Catalytic Applications. Molecules 2016; 21:E1288. [PMID: 27689980 PMCID: PMC6274031 DOI: 10.3390/molecules21101288] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2016] [Revised: 09/19/2016] [Accepted: 09/23/2016] [Indexed: 11/17/2022] Open
Abstract
In this review, the most recent advances (2014-2016) on the synthesis of new polymer-supported catalysts are reported, focusing the attention on the synthetic strategies developed for their preparation. The polymer-supported catalysts examined will be organic-based polymers and organic-inorganic hybrids and will include, among others, polystyrenes, poly-ionic liquids, chiral ionic polymers, dendrimers, carbon nanotubes, as well as silica and halloysite-based catalysts. Selected examples will show the synthesis and application in the field of organocatalysis and metal-based catalysis both for non-asymmetric and asymmetric transformations.
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Affiliation(s)
- Anna Maria Pia Salvo
- Dipartimento Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche (STEBICEF) Università di Palermo, Viale delle Scienze, Ed. 17, 90128 Palermo, Italy.
| | - Francesco Giacalone
- Dipartimento Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche (STEBICEF) Università di Palermo, Viale delle Scienze, Ed. 17, 90128 Palermo, Italy.
| | - Michelangelo Gruttadauria
- Dipartimento Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche (STEBICEF) Università di Palermo, Viale delle Scienze, Ed. 17, 90128 Palermo, Italy.
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31
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Ramakrishna K, Sivasankar C. Synthesis of Aminobenzoic Acid Derivatives via Chemoselective Carbene Insertion into the -NH Bond Catalyzed by Cu(I) Complex. J Org Chem 2016; 81:6609-16. [PMID: 27392207 DOI: 10.1021/acs.joc.6b01249] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Phosphine ligand stabilized air-stable Cu(I) complexes have been successfully used to functionalize the aromatic aminobenzoic acids in a chemoselective manner without implementing protection and deprotection strategy under mild reaction conditions. This chemoselective carbene insertion into -NH bond over -COOH and -OH bonds leads to the wide range of carboxy and hydroxy functionalized α-amino esters (27 examples). All of the isolated new products have been fully characterized using standard analytical methods.
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Affiliation(s)
- Kankanala Ramakrishna
- Catalysis and Energy Laboratory, Department of Chemistry, Pondicherry University (A Central University) , Puducherry 605014, India
| | - Chinnappan Sivasankar
- Catalysis and Energy Laboratory, Department of Chemistry, Pondicherry University (A Central University) , Puducherry 605014, India
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32
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Etayo P, Ayats C, Pericàs MA. Synthesis and catalytic applications of C3-symmetric tris(triazolyl)methanol ligands and derivatives. Chem Commun (Camb) 2016; 52:1997-2010. [PMID: 26701737 DOI: 10.1039/c5cc08961a] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
Recently introduced tris(1,2,3-triazol-4-yl)methanols and derivatives (TTM ligands) have become a valuable subclass of C3-symmetric tripodal ligands for transition metal-mediated reactions. TTM-based ligand architectures are modularly constructed through regioselective, one-pot triple [3+2] cycloaddition of azides and alkynes. Applications of homogeneous systems of this type and of heterogenised (polystyrene- and magnetic nanoparticle-supported) TTM ligands in synthesis and catalysis are compiled in this Feature Article.
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Affiliation(s)
- Pablo Etayo
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology, Avgda. Països Catalans 16, E-43007 Tarragona, Spain.
| | - Carles Ayats
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology, Avgda. Països Catalans 16, E-43007 Tarragona, Spain.
| | - Miquel A Pericàs
- Institute of Chemical Research of Catalonia (ICIQ), The Barcelona Institute of Science and Technology, Avgda. Països Catalans 16, E-43007 Tarragona, Spain. and Departament de Química Orgànica, Universitat de Barcelona, 08028 Barcelona, Spain
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33
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Mertens L, Hock KJ, Koenigs RM. Fluoroalkyl-Substituted Diazomethanes and Their Application in a General Synthesis of Pyrazoles and Pyrazolines. Chemistry 2016; 22:9542-5. [PMID: 27168358 DOI: 10.1002/chem.201601707] [Citation(s) in RCA: 93] [Impact Index Per Article: 11.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2016] [Indexed: 01/27/2023]
Abstract
A novel continuous-flow approach for the synthesis of fluoroalkyl-substituted diazomethanes has been developed. Utilizing a cheap, self-made microreactor fluoroalkyl-substituted amines were transformed into the corresponding diazomethanes using tert-butyl nitrite and acetic acid as catalyst. These diazomethanes were employed in [2+3] cycloaddition reactions with olefins and alkynes, yielding valuable pyrazolines and pyrazoles in good to excellent yields.
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Affiliation(s)
- Lucas Mertens
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074, Aachen, Germany
| | - Katharina J Hock
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074, Aachen, Germany
| | - Rene M Koenigs
- Institute of Organic Chemistry, RWTH Aachen University, Landoltweg 1, 52074, Aachen, Germany.
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34
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Wang C, Ikhlef D, Kahlal S, Saillard JY, Astruc D. Metal-catalyzed azide-alkyne “click” reactions: Mechanistic overview and recent trends. Coord Chem Rev 2016. [DOI: 10.1016/j.ccr.2016.02.010] [Citation(s) in RCA: 219] [Impact Index Per Article: 27.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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35
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36
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Li Z, Ding Y, Wu X, Ge J, Ouyang P, Liu Z. An enzyme–copper nanoparticle hybrid catalyst prepared from disassembly of an enzyme–inorganic nanocrystal three-dimensional nanostructure. RSC Adv 2016. [DOI: 10.1039/c5ra27904f] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Enzyme–copper nanoparticle hybrid catalysts were prepared with highly retained enzymatic and Cu-catalytic activities, enabling the chemo-enzymatic cascade reactions.
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Affiliation(s)
- Zhixian Li
- Key Lab for Industrial Biocatalysis
- Ministry of Education
- Department of Chemical Engineering
- Tsinghua University
- Beijing 100084
| | - Yi Ding
- Key Lab for Industrial Biocatalysis
- Ministry of Education
- Department of Chemical Engineering
- Tsinghua University
- Beijing 100084
| | - Xiaoling Wu
- Key Lab for Industrial Biocatalysis
- Ministry of Education
- Department of Chemical Engineering
- Tsinghua University
- Beijing 100084
| | - Jun Ge
- Key Lab for Industrial Biocatalysis
- Ministry of Education
- Department of Chemical Engineering
- Tsinghua University
- Beijing 100084
| | - Pingkai Ouyang
- College of Biotechnology and Pharmaceutical Engineering
- Nanjing University of Technology
- Nanjing 211816
- China
| | - Zheng Liu
- Key Lab for Industrial Biocatalysis
- Ministry of Education
- Department of Chemical Engineering
- Tsinghua University
- Beijing 100084
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37
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Chen L, Bovee MO, Lemma BE, Keithley KSM, Pilson SL, Coleman MG, Mack J. An Inexpensive and Recyclable Silver-Foil Catalyst for the Cyclopropanation of Alkenes with Diazoacetates under Mechanochemical Conditions. Angew Chem Int Ed Engl 2015; 54:11084-7. [DOI: 10.1002/anie.201504236] [Citation(s) in RCA: 60] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2015] [Indexed: 11/08/2022]
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38
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Chen L, Bovee MO, Lemma BE, Keithley KSM, Pilson SL, Coleman MG, Mack J. An Inexpensive and Recyclable Silver-Foil Catalyst for the Cyclopropanation of Alkenes with Diazoacetates under Mechanochemical Conditions. Angew Chem Int Ed Engl 2015. [DOI: 10.1002/ange.201504236] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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39
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Ramakrishna K, Murali M, Sivasankar C. Chemoselective Carbene insertion into the N–H Bond over O–H Bond Using a Well-Defined Single Site (P–P)Cu(I) Catalyst. Org Lett 2015. [DOI: 10.1021/acs.orglett.5b01776] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Kankanala Ramakrishna
- Catalysis and Energy Laboratory,
Department of Chemistry, Pondicherry University, Pondicherry 605014, India
| | - Mani Murali
- Catalysis and Energy Laboratory,
Department of Chemistry, Pondicherry University, Pondicherry 605014, India
| | - Chinnappan Sivasankar
- Catalysis and Energy Laboratory,
Department of Chemistry, Pondicherry University, Pondicherry 605014, India
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40
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Mendoza C, Jansat S, Vilar R, Pericàs MA. Clickable complexing agents: functional crown ethers for immobilisation onto polymers and magnetic nanoparticles. RSC Adv 2015. [DOI: 10.1039/c5ra10027e] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022] Open
Abstract
A modular library of crown ethers and monoazacrown ethers supported by CuAAC reactions onto magnetic nanoparticles and polymers has been prepared and evaluated as extracting materials for Pb2+ from aqueous and organic solutions.
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Affiliation(s)
- Carolina Mendoza
- Institute of Chemical Research of Catalonia (ICIQ)
- E-43007 Tarragona
- Spain
| | - Susanna Jansat
- Institute of Chemical Research of Catalonia (ICIQ)
- E-43007 Tarragona
- Spain
| | - Ramón Vilar
- Department of Chemistry
- Imperial College London
- London SW7 2AY
- UK
| | - Miquel A. Pericàs
- Institute of Chemical Research of Catalonia (ICIQ)
- E-43007 Tarragona
- Spain
- Departament de Química Orgànica
- Universitat de Barcelona
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