101
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Ngai C, Sanchez‐Marsetti CM, Harman WH, Hooley RJ. Supramolecular Catalysis of the oxa‐Pictet–Spengler Reaction with an Endohedrally Functionalized Self‐Assembled Cage Complex. Angew Chem Int Ed Engl 2020; 59:23505-23509. [DOI: 10.1002/anie.202009553] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 08/17/2020] [Indexed: 11/08/2022]
Affiliation(s)
- Courtney Ngai
- Department of Chemistry and the UCR Center for Catalysis University of California—Riverside Riverside CA 92521 USA
| | - Colomba M. Sanchez‐Marsetti
- Department of Chemistry and the UCR Center for Catalysis University of California—Riverside Riverside CA 92521 USA
| | - W. Hill Harman
- Department of Chemistry and the UCR Center for Catalysis University of California—Riverside Riverside CA 92521 USA
| | - Richard J. Hooley
- Department of Chemistry and the UCR Center for Catalysis University of California—Riverside Riverside CA 92521 USA
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102
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Supramolecular Catalysis of the oxa‐Pictet–Spengler Reaction with an Endohedrally Functionalized Self‐Assembled Cage Complex. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202009553] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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103
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Su K, Wang W, Du S, Ji C, Zhou M, Yuan D. Reticular Chemistry in the Construction of Porous Organic Cages. J Am Chem Soc 2020; 142:18060-18072. [PMID: 32938188 DOI: 10.1021/jacs.0c07367] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Reticular chemistry offers the possibility of systematic design of porous materials with different pores by varying the building blocks, while the emerging porous organic cage (POC) system remains generally unexplored. A series of new POCs with dimeric cages with odd-even behaviors, unprecedented trimeric triangular prisms, and the largest recorded hexameric octahedra have been prepared. These POCs are all constructed from the same tetratopic tetraformylresorcin[4]arene cavitand by simply varying the diamine ligands through Schiff-base reactions and are fully characterized by X-ray crystallography, gas sorption measurements, NMR spectroscopy, and mass spectrometry. The odd-even effects in the POC conformation changes of the [2 + 4] dimeric cages have been confirmed by density functional theory calculations, which are the first examples of odd-even effects reported in the cavitand-based cage system. Moreover, the "V" shape phenylenediamine linkers are responsible for the novel [3 + 6] triangular prisms. The window size and environment can be easily functionalized by different groups, providing a promising platform for the construction of multivariate POCs. Use of linear phenylenediamines led to record-breakingly large [6 + 12] truncated octahedral cages, the maximum inner cavity diameters and volumes of which could be readily modulated by increasing the spacer length of the phenylenediamine linkers. This work can lead to an understanding of the self-assembly behaviors of POCs and also sheds light on the rational design of POC materials for practical applications.
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Affiliation(s)
- Kongzhao Su
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, P. R. China.,University of the Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Wenjing Wang
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, P. R. China
| | - Shunfu Du
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, P. R. China.,College of Chemistry, Fuzhou University, Fuzhou 350116, P. R. China
| | - Chunqing Ji
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, P. R. China.,University of the Chinese Academy of Sciences, Beijing 100049, P. R. China
| | - Mi Zhou
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, P. R. China
| | - Daqiang Yuan
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, P. R. China.,University of the Chinese Academy of Sciences, Beijing 100049, P. R. China
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104
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Affiliation(s)
- Daisuke Shimoyama
- Department of Chemistry Graduate School of Advanced Science and Engineering Hiroshima University 1-3-1 Kagamiyama Higashi Hiroshima 739-8526 Japan
| | - Takeharu Haino
- Department of Chemistry Graduate School of Advanced Science and Engineering Hiroshima University 1-3-1 Kagamiyama Higashi Hiroshima 739-8526 Japan
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105
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Lee JS, Song IH, Shinde PB, Nimse SB. Macrocycles and Supramolecules as Antioxidants: Excellent Scaffolds for Development of Potential Therapeutic Agents. Antioxidants (Basel) 2020; 9:E859. [PMID: 32937775 PMCID: PMC7555118 DOI: 10.3390/antiox9090859] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2020] [Revised: 09/04/2020] [Accepted: 09/06/2020] [Indexed: 01/05/2023] Open
Abstract
Oxidative stress due to the high levels of reactive oxygen species (ROS) that damage biomolecules (lipids, proteins, DNA) results in acute inflammation. However, without proper intervention, acute inflammation progresses to chronic inflammation and then to several chronic diseases, including cancer, myocardial infarction, cardiovascular diseases, chronic inflammation, atherosclerosis, and more. There has been extensive research on the antioxidants of natural origin. However, there are myriad possibilities for the development of synthetic antioxidants for pharmacological applications. There is an increasing interest in the identification of novel synthetic antioxidants for the modulation of biochemical processes related to ROS. In this regard, derivatives of supramolecules, such as calix[n]arene, resorcinarene, calixtyrosol, calixpyrrole, cucurbit[n]uril, porphyrin etc. are gaining attention for their abilities to scavenge the free radicals. Supramolecular chemistry offers excellent scaffolds for the development of novel antioxidants that can be used to modulate free radical reactions and to improve the disorders related to oxidative stress. This review focuses on the interdisciplinary approach for the design and development of novel synthetic antioxidants based on supramolecular scaffolds, with potentially protective effects against oxidative stress.
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Affiliation(s)
- Jung-Seop Lee
- Institute of Applied Chemistry and Department of Chemistry, Hallym University, Chuncheon 200702, Korea; (J.-S.L.); (I.-h.S.)
| | - In-ho Song
- Institute of Applied Chemistry and Department of Chemistry, Hallym University, Chuncheon 200702, Korea; (J.-S.L.); (I.-h.S.)
| | - Pramod B. Shinde
- Natural Products & Green Chemistry Division, CSIR-Central Salt and Marine Chemicals Research Institute (CSIR-CSMCRI), Academy of Scientific and Innovative Research (AcSIR), Council of Scientific and Industrial Research (CSIR), Bhavnagar 364002, Gujarat, India;
| | - Satish Balasaheb Nimse
- Institute of Applied Chemistry and Department of Chemistry, Hallym University, Chuncheon 200702, Korea; (J.-S.L.); (I.-h.S.)
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106
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Chwastek M, Szumna A. Higher Analogues of Resorcinarenes and Pyrogallolarenes: Bricks for Supramolecular Chemistry. Org Lett 2020; 22:6838-6841. [PMID: 32820930 PMCID: PMC7498192 DOI: 10.1021/acs.orglett.0c02357] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2020] [Indexed: 12/05/2022]
Abstract
Easy scalable and eco-friendly syntheses of resorcin[5]arene, pyrogallol[5]arene, (2-nitro)resorcin[5]arene, (2-carboxyl)resorcin[5]arene, and resorcin[7]arene are presented and a wide range of upper-rim modifications is demonstrated. The macrocycles open the door toward expanding the rich covalent and supramolecular chemistry of [4]arenes with analogues having unique 5-fold and 7-fold symmetry.
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Affiliation(s)
- Monika Chwastek
- Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
| | - Agnieszka Szumna
- Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
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107
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Gambaro S, Talotta C, Della Sala P, Soriente A, De Rosa M, Gaeta C, Neri P. Kinetic and Thermodynamic Modulation of Dynamic Imine Libraries Driven by the Hexameric Resorcinarene Capsule. J Am Chem Soc 2020; 142:14914-14923. [PMID: 32786766 PMCID: PMC8010792 DOI: 10.1021/jacs.0c04705] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Indexed: 12/19/2022]
Abstract
The composition of dynamic covalent imine libraries (DCL) adapts to the presence of the hexameric resorcinarene capsule. In the presence of the self-assembled capsule, a kinetic and thermodynamic modulation of the imine constituents of the DCLs was observed, which was induced by an unusual predatory action of the capsule on specific imine constituents. More complex 2 × 2 DCLs also adapt to the presence of the hexameric capsule, showing a thermodynamic and kinetic modulation of the constituents induced by the predatory action of the capsule. By cross-referencing experimental data, a good selectivity (up to 66%) for one constituent can be induced in a 2 × 2 DCL.
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Affiliation(s)
- Stefania Gambaro
- Laboratory of Supramolecular
Chemistry, Dipartimento di Chimica e Biologia “A. Zambelli”, Università di Salerno, Via Giovanni Paolo II, I-84084 Fisciano, Salerno, Italy
| | - Carmen Talotta
- Laboratory of Supramolecular
Chemistry, Dipartimento di Chimica e Biologia “A. Zambelli”, Università di Salerno, Via Giovanni Paolo II, I-84084 Fisciano, Salerno, Italy
| | - Paolo Della Sala
- Laboratory of Supramolecular
Chemistry, Dipartimento di Chimica e Biologia “A. Zambelli”, Università di Salerno, Via Giovanni Paolo II, I-84084 Fisciano, Salerno, Italy
| | - Annunziata Soriente
- Laboratory of Supramolecular
Chemistry, Dipartimento di Chimica e Biologia “A. Zambelli”, Università di Salerno, Via Giovanni Paolo II, I-84084 Fisciano, Salerno, Italy
| | - Margherita De Rosa
- Laboratory of Supramolecular
Chemistry, Dipartimento di Chimica e Biologia “A. Zambelli”, Università di Salerno, Via Giovanni Paolo II, I-84084 Fisciano, Salerno, Italy
| | - Carmine Gaeta
- Laboratory of Supramolecular
Chemistry, Dipartimento di Chimica e Biologia “A. Zambelli”, Università di Salerno, Via Giovanni Paolo II, I-84084 Fisciano, Salerno, Italy
| | - Placido Neri
- Laboratory of Supramolecular
Chemistry, Dipartimento di Chimica e Biologia “A. Zambelli”, Università di Salerno, Via Giovanni Paolo II, I-84084 Fisciano, Salerno, Italy
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108
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Tzeli D, Petsalakis ID, Theodorakopoulos G, Rahman FU, Ballester P, Rebek J, Yu Y. Aromaticity and Chemical Bonding of Chalcogen-Bonded Capsules Featuring Enhanced Magnetic Anisotropy. Chemphyschem 2020; 21:2187-2195. [PMID: 32725859 DOI: 10.1002/cphc.202000654] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2020] [Indexed: 01/13/2023]
Abstract
We present a theoretical study of chalcogen bonded container capsules (AX +AX ) where X=O, S, Se, and Te, and their encapsulation complexes with n-C9 H20 (n-C9 H20 @AX +AX ). Both Se and Te encapsulation complexes have significant experimental and computed binding energies, analogous to the hydrogen bonded counterparts, while the S and O capsules and their encapsulation complexes show only weak binding energies, which are attributed to different types of bonding: chalcogen S⋅⋅⋅N bonds for S-capsules and π-π stacking and weak hydrogen bonds for the O case. All AX +AX and C9 H20 @AX +AX present unusually high magnetic anisotropies in their interiors. The 1 H NMR spectra of the encapsulation complexes display the proton signals of the encapsulated n-nonane highly upfield shifted, in agreement with the available experimental data for the Se capsule. We found that different factors contribute to the observed magnetic anisotropy of the capsule's interior: for the Te capsule the most important factor is Te's large polarizability; for the O analogue the inductive effects produced by the electronegative nature of the O and N heteroatoms; and for the S and Se capsules, the polarizability of the heteroatoms combines with electric field effects.
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Affiliation(s)
- Demeter Tzeli
- Laboratory of Physical Chemistry, Department of Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis Zografou, Athens, 157 84, Greece.,Theoretical and Physical Chemistry Institute, National Hellenic Research Foundation, 48 Vassileos Constantinou Ave., Athens, 116 35, Greece
| | - Ioannis D Petsalakis
- Theoretical and Physical Chemistry Institute, National Hellenic Research Foundation, 48 Vassileos Constantinou Ave., Athens, 116 35, Greece
| | - Giannoula Theodorakopoulos
- Theoretical and Physical Chemistry Institute, National Hellenic Research Foundation, 48 Vassileos Constantinou Ave., Athens, 116 35, Greece
| | - Faiz-Ur Rahman
- Center for Supramolecular Chemistry &, Catalysis and Department of Chemistry, College of Science, Shanghai University, Shanghai, 200444, China
| | - Pablo Ballester
- Institute of Chemical Research of Catalonia (ICIQ), 43007, Tarragona, Spain.,Catalan Institution for Research and Advanced Studies (ICREA), 08010, Barcelona, Spain
| | - Julius Rebek
- Center for Supramolecular Chemistry &, Catalysis and Department of Chemistry, College of Science, Shanghai University, Shanghai, 200444, China.,Skaggs Institute for Chemical Biology and Department of Chemistry, The Scripps Research Institute, La Jolla, California, 92037, United States
| | - Yang Yu
- Center for Supramolecular Chemistry &, Catalysis and Department of Chemistry, College of Science, Shanghai University, Shanghai, 200444, China
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109
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Daver H, Rebek J, Himo F. Modeling the Reaction of Carboxylic Acids and Isonitriles in a Self-Assembled Capsule. Chemistry 2020; 26:10861-10870. [PMID: 32428333 PMCID: PMC7522688 DOI: 10.1002/chem.202001735] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2020] [Revised: 05/11/2020] [Indexed: 11/10/2022]
Abstract
Quantum chemical calculations were used to study the reaction of carboxylic acids with isonitriles inside a resorcinarene-based self-assembled capsule. Experimentally, it has been shown that the reactions between p-tolylacetic acid and n-butyl isonitrile or isopropyl isonitrile behave differently in the presence of the capsule compared both with each other and also with their solution counterparts. Herein, the reasons for these divergent behaviors are addressed by comparing the detailed energy profiles for the reactions of the two isonitriles inside and outside the capsule. An energy decomposition analysis was conducted to quantify the different factors affecting the reactivity. The calculations reproduce the experimental findings very well. Thus, encapsulation leads to lowering of the energy barrier for the first step of the reaction, the concerted α-addition and proton transfer, which in solution is rate-determining, and this explains the rate acceleration observed in the presence of the capsule. The barrier for the final step of the reaction, the 1,3 O→N acyl transfer, is calculated to be higher with the isopropyl substituent inside the capsule compared with n-butyl. With the isopropyl substituent, the transition state and the product of this step are significantly shorter than the preceding intermediate, and this results in energetically unfavorable empty spaces inside the capsule, which cause a higher barrier. With the n-butyl substituent, on the other hand, the carbon chain can untwine and hence uphold an appropriate guest length.
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Affiliation(s)
- Henrik Daver
- Department of Organic ChemistryArrhenius LaboratoryStockholm University106 91StockholmSweden
- Present address: Department of Drug Design and PharmacologyUniversity of CopenhagenUniversitetsparken 22100CopenhagenDenmark
| | - Julius Rebek
- The Skaggs Institute for Chemical Biology and Department of ChemistryThe Scripps Research Institute10550 North Torrey Pines RoadLa JollaCalifornia92037USA
- Center for Supramolecular Chemistry and CatalysisShanghai UniversityShanghai200444P.R. China
| | - Fahmi Himo
- Department of Organic ChemistryArrhenius LaboratoryStockholm University106 91StockholmSweden
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110
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Facile synthesis, X-ray diffraction studies, photophysical properties and DFT-D based conformational analysis of octa and dodecacyanomethoxycalix[4]resorcinarenes. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2020.128215] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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111
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Noro SI, Song Y, Tanimoto Y, Hijikata Y, Kubo K, Nakamura T. Controlling the gate-sorption properties of solid solutions of Werner complexes by varying component ratios. Dalton Trans 2020; 49:9438-9443. [PMID: 32597427 DOI: 10.1039/d0dt01355b] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Methods relying on the use of solid solutions can be used to produce solid materials having finely controlled physical properties. In the current investigation, we utilized this protocol to prepare solid solutions derived from two different Werner complexes in order to assess the effects of component ratios on acetone vapor adsorption properties. For this purpose, microcrystalline solid solutions with the basic elemental composition α-[Cu(PF6)2(py)4]x[Cu(CF3SO3)2(py)4]1-x (x = 0.75 and 0.5) (α-PAC-2-PF6/CF3SO3(x = 0.75 and 0.5), py = pyridine) were prepared by hexane induced precipitation of acetone solutions of [Cu(PF6)2(py)4] (PAC-2-PF6) and [Cu(CF3SO3)2(py)4] (PAC-2-CF3SO3). The results of acetone sorption isotherm measurements show that gate opening and closing pressures of the solid solutions are dependent on the composition ratios of PAC-2-CF3SO3 and PAC-2-PF6. Specifically, an increase in CF3SO3- anion content induces weakening of the interactions with acetone as a consequence of expansion of lattice constants and also strengthening host-host interactions. These effects cause an increase in gate opening and closing pressures.
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Affiliation(s)
- Shin-Ichiro Noro
- Faculty of Environmental Earth Science, Hokkaido University, Sapporo 060-0810, Japan. and Graduate School of Environmental Science, Hokkaido University, Sapporo 060-0810, Japan
| | - Yu Song
- Graduate School of Environmental Science, Hokkaido University, Sapporo 060-0810, Japan
| | - Yutaro Tanimoto
- Graduate School of Environmental Science, Hokkaido University, Sapporo 060-0810, Japan
| | - Yuh Hijikata
- Institute for Chemical Reaction Design and Discovery (WPI-ICReDD), Hokkaido University, Sapporo 001-0021, Japan
| | - Kazuya Kubo
- Graduate School of Material Science, University of Hyogo, 3-2-1 Kouto, Kamigori-cho, Ako-gun, Hyogo 678-1297, Japan
| | - Takayoshi Nakamura
- Research Institute for Electronic Science, Hokkaido University, Sapporo 001-0020, Japan.
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112
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Nemat SJ, Jędrzejewska H, Prescimone A, Szumna A, Tiefenbacher K. Catechol[4]arene: The Missing Chiral Member of the Calix[4]arene Family. Org Lett 2020; 22:5506-5510. [PMID: 32627560 DOI: 10.1021/acs.orglett.0c01864] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
A missing, inherently chiral member of the calix[4]arene family denoted "catechol[4]arene" was synthesized. Its properties were studied and compared to the ones of its close relatives resorcin[4]arene and pyrogallol[4]arene. This novel supramolecular host exhibits binding capabilities that are superior to its sister molecules in polar media. The enantiomerically pure forms of the macrocycle display modest recognition of chiral ammonium salts.
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Affiliation(s)
- Suren J Nemat
- Department of Chemistry, University of Basel, Mattenstrasse 24a, 4058 Basel, Switzerland
| | - Hanna Jędrzejewska
- Institute of Organic Chemistry Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
| | - Alessandro Prescimone
- Department of Chemistry, University of Basel, Mattenstrasse 24a, 4058 Basel, Switzerland
| | - Agnieszka Szumna
- Institute of Organic Chemistry Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
| | - Konrad Tiefenbacher
- Department of Chemistry, University of Basel, Mattenstrasse 24a, 4058 Basel, Switzerland.,Department of Biosystems Science and Engineering, ETH Zurich, Mattenstrasse 24, 4058 Basel, Switzerland
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113
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Jongkind LJ, Rahimi M, Poole D, Ton SJ, Fogg DE, Reek JNH. Protection of Ruthenium Olefin Metathesis Catalysts by Encapsulation in a Self‐assembled Resorcinarene Capsule. ChemCatChem 2020. [DOI: 10.1002/cctc.202000111] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Lukas J. Jongkind
- Homogeneous, Supramolecular and Bio-Inspired Catalysis Van't Hoff Institute for Molecular Sciences University of Amsterdam Science Park 904 1098 XH Amsterdam (The Netherlands
| | - Maryam Rahimi
- Homogeneous, Supramolecular and Bio-Inspired Catalysis Van't Hoff Institute for Molecular Sciences University of Amsterdam Science Park 904 1098 XH Amsterdam (The Netherlands
- Centre for Catalysis Research & Innovation and Department of Chemistry and Biomolecular Sciences University of Ottawa 10 Marie Curie Ottawa ON K1 N 6 N5 Canada
| | - David Poole
- Homogeneous, Supramolecular and Bio-Inspired Catalysis Van't Hoff Institute for Molecular Sciences University of Amsterdam Science Park 904 1098 XH Amsterdam (The Netherlands
| | - Stephanie J. Ton
- Centre for Catalysis Research & Innovation and Department of Chemistry and Biomolecular Sciences University of Ottawa 10 Marie Curie Ottawa ON K1 N 6 N5 Canada
| | - Deryn E. Fogg
- Centre for Catalysis Research & Innovation and Department of Chemistry and Biomolecular Sciences University of Ottawa 10 Marie Curie Ottawa ON K1 N 6 N5 Canada
| | - Joost N. H. Reek
- Homogeneous, Supramolecular and Bio-Inspired Catalysis Van't Hoff Institute for Molecular Sciences University of Amsterdam Science Park 904 1098 XH Amsterdam (The Netherlands
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114
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Fujii S, Miyake R, Campo LD, Lee JH, Takahashi R, Sakurai K. Structural Polymorphism of Resorcinarene Assemblies. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2020; 36:6222-6227. [PMID: 32391699 DOI: 10.1021/acs.langmuir.0c00861] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
In 1997, a study based on X-ray crystallography revealed that resorcinarenes adopt a hexameric capsule-like structure. The function of resorcinarenes has been discussed on the basis of this structure; however, our recent study showed that the hexamer may be only one of resorcinarenes' polymorphic members. Here, we present the solvent dependence of the aggregation number of C-undecylresorcinarene in water-saturated toluene and chloroform using small-angle neutron and X-ray scattering and analytical ultracentrifugation measurements. We found that a new octamer was formed in toluene where the eight resorcinarene units were placed at the vertices of a regular cube; this contrasts to the previous structure in chloroform, namely, a hexamer with the six resorcinarenes located at the vertices of a regular octahedron that has a cavity inside where chloroform molecules are pooled.
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Affiliation(s)
- Shota Fujii
- Department of Chemistry and Biochemistry, University of Kitakyushu, 1-1 Hibikino, Kitakyushu, Fukuoka 808-0135, Japan
| | - Rika Miyake
- Department of Chemistry and Biochemistry, University of Kitakyushu, 1-1 Hibikino, Kitakyushu, Fukuoka 808-0135, Japan
| | - Liliana de Campo
- Australian Centre for Neutron Scattering (ACNS), Australian Nuclear Science and Technology Organization (ANSTO), Lucas Heights, Sydney, NSW 2234, Australia
| | - Ji Ha Lee
- Department of Chemistry and Biochemistry, University of Kitakyushu, 1-1 Hibikino, Kitakyushu, Fukuoka 808-0135, Japan
| | - Rintaro Takahashi
- Department of Chemistry and Biochemistry, University of Kitakyushu, 1-1 Hibikino, Kitakyushu, Fukuoka 808-0135, Japan
| | - Kazuo Sakurai
- Department of Chemistry and Biochemistry, University of Kitakyushu, 1-1 Hibikino, Kitakyushu, Fukuoka 808-0135, Japan
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115
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Wang K, Jordan JH, Hu X, Wang L. Supramolecular Strategies for Controlling Reactivity within Confined Nanospaces. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202000045] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Affiliation(s)
- Kaiya Wang
- School of Material Science and Technology Nanjing University of Aeronautics and Astronautics Nanjing 211106 China
| | - Jacobs H. Jordan
- The Southern Regional Research Center Agricultural Research Service, USDA New Orleans LA 70124 USA
| | - Xiao‐Yu Hu
- School of Material Science and Technology Nanjing University of Aeronautics and Astronautics Nanjing 211106 China
| | - Leyong Wang
- Key Laboratory of Mesoscopic Chemistry of MOE School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 China
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116
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Wang K, Jordan JH, Hu X, Wang L. Supramolecular Strategies for Controlling Reactivity within Confined Nanospaces. Angew Chem Int Ed Engl 2020; 59:13712-13721. [DOI: 10.1002/anie.202000045] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/02/2020] [Indexed: 12/16/2022]
Affiliation(s)
- Kaiya Wang
- School of Material Science and Technology Nanjing University of Aeronautics and Astronautics Nanjing 211106 China
| | - Jacobs H. Jordan
- The Southern Regional Research Center Agricultural Research Service, USDA New Orleans LA 70124 USA
| | - Xiao‐Yu Hu
- School of Material Science and Technology Nanjing University of Aeronautics and Astronautics Nanjing 211106 China
| | - Leyong Wang
- Key Laboratory of Mesoscopic Chemistry of MOE School of Chemistry and Chemical Engineering Nanjing University Nanjing 210023 China
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117
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Ning R, Zhou H, Nie S, Ao Y, Wang D, Wang Q. Chiral Macrocycle‐Enabled Counteranion Trapping for Boosting Highly Efficient and Enantioselective Catalysis. Angew Chem Int Ed Engl 2020; 59:10894-10898. [DOI: 10.1002/anie.202003673] [Citation(s) in RCA: 29] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2020] [Indexed: 01/07/2023]
Affiliation(s)
- Rui Ning
- Beijing National Laboratory for Molecular SciencesCAS Key Laboratory of Molecular Recognition and FunctionInstitute of ChemistryChinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Hao Zhou
- Beijing National Laboratory for Molecular SciencesCAS Key Laboratory of Molecular Recognition and FunctionInstitute of ChemistryChinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Shi‐Xin Nie
- Beijing National Laboratory for Molecular SciencesCAS Key Laboratory of Molecular Recognition and FunctionInstitute of ChemistryChinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Yu‐Fei Ao
- Beijing National Laboratory for Molecular SciencesCAS Key Laboratory of Molecular Recognition and FunctionInstitute of ChemistryChinese Academy of Sciences Beijing 100190 China
| | - De‐Xian Wang
- Beijing National Laboratory for Molecular SciencesCAS Key Laboratory of Molecular Recognition and FunctionInstitute of ChemistryChinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Qi‐Qiang Wang
- Beijing National Laboratory for Molecular SciencesCAS Key Laboratory of Molecular Recognition and FunctionInstitute of ChemistryChinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
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118
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Ning R, Zhou H, Nie S, Ao Y, Wang D, Wang Q. Chiral Macrocycle‐Enabled Counteranion Trapping for Boosting Highly Efficient and Enantioselective Catalysis. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202003673] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Rui Ning
- Beijing National Laboratory for Molecular SciencesCAS Key Laboratory of Molecular Recognition and FunctionInstitute of ChemistryChinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Hao Zhou
- Beijing National Laboratory for Molecular SciencesCAS Key Laboratory of Molecular Recognition and FunctionInstitute of ChemistryChinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Shi‐Xin Nie
- Beijing National Laboratory for Molecular SciencesCAS Key Laboratory of Molecular Recognition and FunctionInstitute of ChemistryChinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Yu‐Fei Ao
- Beijing National Laboratory for Molecular SciencesCAS Key Laboratory of Molecular Recognition and FunctionInstitute of ChemistryChinese Academy of Sciences Beijing 100190 China
| | - De‐Xian Wang
- Beijing National Laboratory for Molecular SciencesCAS Key Laboratory of Molecular Recognition and FunctionInstitute of ChemistryChinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Qi‐Qiang Wang
- Beijing National Laboratory for Molecular SciencesCAS Key Laboratory of Molecular Recognition and FunctionInstitute of ChemistryChinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
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119
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Zou YQ, Jahović I, Nitschke JR. Hydrolysis of Twisted Amides inside a Self-Assembled Coordination Cage. Chem 2020. [DOI: 10.1016/j.chempr.2020.05.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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120
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Levi S, Zhang Q, Major DT. Thermodynamic and Kinetic Control Determine the Sesquiterpene Reaction Pathways Inside Nanocapsules. ACS Catal 2020. [DOI: 10.1021/acscatal.0c00278] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Shani Levi
- Department of Chemistry and Institute for Nanotechnology & Advanced Materials, Bar-Ilan University, Ramat-Gan 52900, Israel
| | - Qi Zhang
- Key Laboratory of Green Chemistry and Technology of Ministry of Education, College of Chemistry, Sichuan University, 29 Wangjiang Road, Chengdu, Sichuan 610064, P.R. China
| | - Dan T. Major
- Department of Chemistry and Institute for Nanotechnology & Advanced Materials, Bar-Ilan University, Ramat-Gan 52900, Israel
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121
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Norjmaa G, Maréchal J, Ujaque G. Reaction Rate Inside the Cavity of [Ga
4
L
6
]
12−
Supramolecular Metallocage is Regulated by the Encapsulated Solvent. Chemistry 2020; 26:6988-6992. [PMID: 32125031 DOI: 10.1002/chem.201905608] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Indexed: 11/05/2022]
Affiliation(s)
- Gantulga Norjmaa
- Departament de Química Universitat Autònoma de Barcelona 08193 Cerdanyola del Valles, Barcelona Catalonia, and Centro de Innovaciónen Química Avanzada (ORFEO-CINQA Spain
| | - Jean‐Didier Maréchal
- Departament de Química Universitat Autònoma de Barcelona 08193 Cerdanyola del Valles, Barcelona Catalonia, and Centro de Innovaciónen Química Avanzada (ORFEO-CINQA Spain
| | - Gregori Ujaque
- Departament de Química Universitat Autònoma de Barcelona 08193 Cerdanyola del Valles, Barcelona Catalonia, and Centro de Innovaciónen Química Avanzada (ORFEO-CINQA Spain
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122
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Polymer and supramolecular nanocontainers based on carboxylate derivatives of resorcinarenes for binding of substrates and design of composites for catalysis. Russ Chem Bull 2020. [DOI: 10.1007/s11172-020-2767-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
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123
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Szafraniec A, Iwanek W. Synthesis of a coumarin derivative of resorcin[4]arene with solvent-controlled chirality. RSC Adv 2020; 10:12747-12753. [PMID: 35492126 PMCID: PMC9051107 DOI: 10.1039/d0ra00368a] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Accepted: 03/13/2020] [Indexed: 01/23/2023] Open
Abstract
This paper presents the synthesis of a coumarin derivative of resorcin[4]arene (1) using a cascade thermolysis/Michael reaction. The influence of the hydrogen bonding system on the conformational rigidity and cyclochirality of the coumarin derivative of resorcin[4]arene was discussed; these properties depended on the proton-donor–acceptor properties of the solvent. Significant differences, which depended on the environment, in the coumarin derivative of resorcin[4]arene fluorescence were observed and discussed. This paper presents the synthesis of a coumarin derivative of resorcin[4]arene (1) using a cascade thermolysis/Michael reaction.![]()
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Affiliation(s)
- Anna Szafraniec
- Faculty of Chemistry, Adam Mickiewicz University Uniwersytetu Poznańskiego 8 60-614 Poznań Poland
| | - Waldemar Iwanek
- Faculty of Chemical Technology and Engineering, UTP, University of Science and Technology Seminaryjna 3 85-326 Bydgoszcz Poland
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124
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Guo J, Fan Y, Lu Y, Zheng S, Su C. Visible‐Light Photocatalysis of Asymmetric [2+2] Cycloaddition in Cage‐Confined Nanospace Merging Chirality with Triplet‐State Photosensitization. Angew Chem Int Ed Engl 2020; 59:8661-8669. [DOI: 10.1002/anie.201916722] [Citation(s) in RCA: 55] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2019] [Indexed: 11/12/2022]
Affiliation(s)
- Jing Guo
- MOE Laboratory of Bioinorganic and Synthetic Chemistry Lehn Institute of Functional Materials School of Chemistry Sun Yat-Sen University Guangzhou 510275 China
| | - Yan‐Zhong Fan
- MOE Laboratory of Bioinorganic and Synthetic Chemistry Lehn Institute of Functional Materials School of Chemistry Sun Yat-Sen University Guangzhou 510275 China
| | - Yu‐Lin Lu
- MOE Laboratory of Bioinorganic and Synthetic Chemistry Lehn Institute of Functional Materials School of Chemistry Sun Yat-Sen University Guangzhou 510275 China
| | - Shao‐Ping Zheng
- MOE Laboratory of Bioinorganic and Synthetic Chemistry Lehn Institute of Functional Materials School of Chemistry Sun Yat-Sen University Guangzhou 510275 China
| | - Cheng‐Yong Su
- MOE Laboratory of Bioinorganic and Synthetic Chemistry Lehn Institute of Functional Materials School of Chemistry Sun Yat-Sen University Guangzhou 510275 China
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125
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Guo J, Fan Y, Lu Y, Zheng S, Su C. Visible‐Light Photocatalysis of Asymmetric [2+2] Cycloaddition in Cage‐Confined Nanospace Merging Chirality with Triplet‐State Photosensitization. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201916722] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Jing Guo
- MOE Laboratory of Bioinorganic and Synthetic Chemistry Lehn Institute of Functional Materials School of Chemistry Sun Yat-Sen University Guangzhou 510275 China
| | - Yan‐Zhong Fan
- MOE Laboratory of Bioinorganic and Synthetic Chemistry Lehn Institute of Functional Materials School of Chemistry Sun Yat-Sen University Guangzhou 510275 China
| | - Yu‐Lin Lu
- MOE Laboratory of Bioinorganic and Synthetic Chemistry Lehn Institute of Functional Materials School of Chemistry Sun Yat-Sen University Guangzhou 510275 China
| | - Shao‐Ping Zheng
- MOE Laboratory of Bioinorganic and Synthetic Chemistry Lehn Institute of Functional Materials School of Chemistry Sun Yat-Sen University Guangzhou 510275 China
| | - Cheng‐Yong Su
- MOE Laboratory of Bioinorganic and Synthetic Chemistry Lehn Institute of Functional Materials School of Chemistry Sun Yat-Sen University Guangzhou 510275 China
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126
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Uchikura T, Oshima M, Kawasaki M, Takahashi K, Iwasawa N. Supramolecular Photocatalysis by Utilizing the Host-Guest Charge-Transfer Interaction: Visible-Light-Induced Generation of Triplet Anthracenes for [4+2] Cycloaddition Reactions. Angew Chem Int Ed Engl 2020; 59:7403-7408. [PMID: 32043287 DOI: 10.1002/anie.201916732] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2019] [Indexed: 01/22/2023]
Abstract
Supramolecular photocatalysis via charge-transfer excitation of a host-guest complex was developed by use of the macrocyclic boronic ester [2+2]BTH-F containing highly electron-deficient difluorobenzothiadiazole moieties. In the presence of a catalytic amount of [2+2]BTH-F , the triplet excited state of anthracene was generated from the charge-transfer excited state of anthracene@[2+2]BTH-F by visible-light irradiation, and cycloaddition of the excited anthracene with several dienes and alkenes proceeded in a [4+2] manner in high yields.
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Affiliation(s)
- Tatsuhiro Uchikura
- Department of Chemistry, Tokyo Institute of Technology, O-okayama, Meguro-ku, Tokyo, 152-8551, Japan.,Present address: Department of Chemistry, Faculty of Science, Gakushuin University, Mejiro, Toshima-ku, Tokyo, 171-8588, Japan
| | - Mari Oshima
- Department of Chemistry, Tokyo Institute of Technology, O-okayama, Meguro-ku, Tokyo, 152-8551, Japan
| | - Minami Kawasaki
- Department of Chemistry, Tokyo Institute of Technology, O-okayama, Meguro-ku, Tokyo, 152-8551, Japan
| | - Kohei Takahashi
- Department of Chemistry, Tokyo Institute of Technology, O-okayama, Meguro-ku, Tokyo, 152-8551, Japan
| | - Nobuharu Iwasawa
- Department of Chemistry, Tokyo Institute of Technology, O-okayama, Meguro-ku, Tokyo, 152-8551, Japan
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127
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Uchikura T, Oshima M, Kawasaki M, Takahashi K, Iwasawa N. Supramolecular Photocatalysis by Utilizing the Host–Guest Charge‐Transfer Interaction: Visible‐Light‐Induced Generation of Triplet Anthracenes for [4+2] Cycloaddition Reactions. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201916732] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
Affiliation(s)
- Tatsuhiro Uchikura
- Department of ChemistryTokyo Institute of Technology, O-okayama, Meguro-ku Tokyo 152-8551 Japan
- Present address: Department of ChemistryFaculty of ScienceGakushuin University, Mejiro, Toshima-ku Tokyo 171-8588 Japan
| | - Mari Oshima
- Department of ChemistryTokyo Institute of Technology, O-okayama, Meguro-ku Tokyo 152-8551 Japan
| | - Minami Kawasaki
- Department of ChemistryTokyo Institute of Technology, O-okayama, Meguro-ku Tokyo 152-8551 Japan
| | - Kohei Takahashi
- Department of ChemistryTokyo Institute of Technology, O-okayama, Meguro-ku Tokyo 152-8551 Japan
| | - Nobuharu Iwasawa
- Department of ChemistryTokyo Institute of Technology, O-okayama, Meguro-ku Tokyo 152-8551 Japan
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128
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Jongkind LJ, Reek JNH. Asymmetric Hydroformylation Using a Rhodium Catalyst Encapsulated in a Chiral Capsule. Chem Asian J 2020; 15:867-875. [PMID: 32020766 PMCID: PMC7155075 DOI: 10.1002/asia.201901771] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2019] [Revised: 01/17/2020] [Indexed: 11/10/2022]
Abstract
Supramolecular capsules can be used to change the activity and selectivity of a catalyst through the influence of the second coordination sphere, reminiscent of how enzymes control the selectivity of their processes. In enzymes, this approach is used to also control the enantioselectivity of reactions in which the active catalytic site is often not chiral but the second coordination sphere is. We are interested in the possibility to generate a chiral second coordination sphere around an otherwise achiral transition metal complex for asymmetric catalysis. In this paper we show that the ligand template approach can be used to generate a chiral second coordination sphere around a rhodium complex, which is used in asymmetric hydroformylation.
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Affiliation(s)
- Lukas J. Jongkind
- Homogeneous, Supramolecular and Bio-Inspired Catalysis Van't Hoff Institute for Molecular SciencesUniversity of AmsterdamScience Park 9041098 XHAmsterdamThe Netherlands
| | - Joost N. H. Reek
- Homogeneous, Supramolecular and Bio-Inspired Catalysis Van't Hoff Institute for Molecular SciencesUniversity of AmsterdamScience Park 9041098 XHAmsterdamThe Netherlands
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129
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Rahman FU, Tzeli D, Petsalakis ID, Theodorakopoulos G, Ballester P, Rebek J, Yu Y. Chalcogen Bonding and Hydrophobic Effects Force Molecules into Small Spaces. J Am Chem Soc 2020; 142:5876-5883. [PMID: 32125842 DOI: 10.1021/jacs.0c01290] [Citation(s) in RCA: 46] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Supramolecular capsules are desirable containers for the study of molecular behavior in small spaces and offer applications in transport, catalysis, and material science. We report here the use of chalcogen bonding to form container assemblies that are stable in water. Cavitands 1-3 functionalized with 2,1,3-benzoselenadiazole walls were synthesized in good yield from resorcin[4]arenes. The solid-state single-crystal X-ray structure of 3 showed a dimeric assembly cemented together through multiple Se···N chalcogen bonds. Binding of hydrophobic and amphiphilic guests in D2O was investigated by 1H NMR methods and revealed host-guest assemblies of 1:1, 2:1, and 2:2 stoichiometries. Small guests such as n-hexane or cyclohexane assembled as 2:2 capsular complexes, larger guests like cyclohexane carboxylic acid or cyclodecane formed 1:1 cavitand complexes, and longer linear guests like n-dodecane, cyclohexane carboxylic acid anhydride, and amides created 2:1 capsular complexes. The 2:1 complex of the capsule with cyclohexane carboxylic acid anhydride was stable over 2 weeks, showing that the seam of chalcogen bonds is "waterproof". Selective uptake of cyclohexane over benzene and methyl cyclohexane over toluene was observed in aqueous solution with the capsule. Hydrophobic forces and hydrogen-bonding attractions between guest molecules such as 3-methylbutanoic acid stabilized the assemblies in the presence of the competing effects of water. The high polarizability and modest electronegativity of Se provide a capsule lining complementary to guest C-H bonds. The 2,1,3-benzoselenadiazole walls impart an unusually high magnetic anisotropy to the capsule environment, which is supported by density functional theory calculations.
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Affiliation(s)
- Faiz-Ur Rahman
- Center for Supramolecular Chemistry & Catalysis and Department of Chemistry, College of Science, Shanghai University, 99 Shang-Da Road, Shanghai 200444, China
| | - Demeter Tzeli
- Theoretical and Physical Chemistry Institute, The National Hellenic Research Foundation, 48 Vassileos Constantinou Avenue, Athens 11635, Greece.,Laboratory of Physical Chemistry, Department of Chemistry, National and Kapodistrian University of Athens, Panepistimiopolis Zografou, Athens 157 71, Greece
| | - Ioannis D Petsalakis
- Theoretical and Physical Chemistry Institute, The National Hellenic Research Foundation, 48 Vassileos Constantinou Avenue, Athens 11635, Greece
| | - Giannoula Theodorakopoulos
- Theoretical and Physical Chemistry Institute, The National Hellenic Research Foundation, 48 Vassileos Constantinou Avenue, Athens 11635, Greece
| | - Pablo Ballester
- Institute of Chemical Research of Catalonia (ICIQ), Av. Països Catalans 16, 43007 Tarragona, Spain.,Catalan Institution for Research and Advanced Studies (ICREA), Pg. Lluís Companys 23, 08010, Barcelona, Spain
| | - Julius Rebek
- Center for Supramolecular Chemistry & Catalysis and Department of Chemistry, College of Science, Shanghai University, 99 Shang-Da Road, Shanghai 200444, China.,Skaggs Institute for Chemical Biology and Department of Chemistry, The Scripps Research Institute, 10550 North Torrey Pines Road, La Jolla, California 92037, United States
| | - Yang Yu
- Center for Supramolecular Chemistry & Catalysis and Department of Chemistry, College of Science, Shanghai University, 99 Shang-Da Road, Shanghai 200444, China
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130
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Syntrivanis LD, Némethová I, Schmid D, Levi S, Prescimone A, Bissegger F, Major DT, Tiefenbacher K. Four-Step Access to the Sesquiterpene Natural Product Presilphiperfolan-1β-ol and Unnatural Derivatives via Supramolecular Catalysis. J Am Chem Soc 2020; 142:5894-5900. [DOI: 10.1021/jacs.0c01464] [Citation(s) in RCA: 32] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
| | - Ivana Némethová
- Department of Chemistry, University of Basel, Mattenstrasse 24a, 4058 Basel, Switzerland
| | - Dario Schmid
- Department of Chemistry, University of Basel, Mattenstrasse 24a, 4058 Basel, Switzerland
| | - Shani Levi
- Department of Chemistry, Bar-Ilan University, Ramat-Gan 52900, Israel
| | - Alessandro Prescimone
- Department of Chemistry, University of Basel, Mattenstrasse 24a, 4058 Basel, Switzerland
| | - Fabian Bissegger
- Department of Chemistry, University of Basel, Mattenstrasse 24a, 4058 Basel, Switzerland
| | - Dan T. Major
- Department of Chemistry, Bar-Ilan University, Ramat-Gan 52900, Israel
| | - Konrad Tiefenbacher
- Department of Chemistry, University of Basel, Mattenstrasse 24a, 4058 Basel, Switzerland
- Department of Biosystems Science and Engineering, ETH Zurich, Mattenstrasse 24, 4058 Basel, Switzerland
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131
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Katiyar A, Freire Sovierzoski JC, Calio PB, Vartia AA, Thompson WH. Water plays a dynamical role in a hydrogen-bonded, hexameric supramolecular assembly. Phys Chem Chem Phys 2020; 22:6167-6175. [PMID: 32124881 DOI: 10.1039/c9cp06874k] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
The hexameric resorcin[4]arene supramolecular assembly has attracted significant interest as a self-assembled capsule that exhibits dynamic host-guest chemistry. Many studies have been carried out to investigate the structure and thermodynamics of the assembly, but considerably less is known about its dynamical properties. Here, molecular dynamics simulations are used to investigate the timescales of water encapsulation in this assembly in wet chloroform. We have previously shown [A. Katiyar et al., Chem. Commun. 2019, 55, 6591-6594] that at low water content there are three distinct populations of water molecules present, while at higher water content an additional population, long water chains interacting with the assembly, appears. The relative free energies of these different water positions are calculated and time correlation functions are used to determine the timescales for interconversion between the populations. This analysis demonstrates that the water molecules are in rapid exchange with each other on timescales of tens of ps to a few ns, and suggests that water molecules might be acting as a critical component in the guest exchange mechanism.
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Affiliation(s)
- Ankita Katiyar
- Department of Chemistry, University of Kansas, Lawrence, KS 66045, USA.
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132
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Bissegger FR, Neuburger M, Tiefenbacher K. Scope of the direct trimerisation to C3-symmetric cyclotribenzylene derivatives. Supramol Chem 2020. [DOI: 10.1080/10610278.2020.1725514] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Affiliation(s)
| | - Markus Neuburger
- Department of Chemistry, University of Basel, Basel, Switzerland
| | - Konrad Tiefenbacher
- Department of Chemistry, University of Basel, Basel, Switzerland
- Department of Biosystems Science and Engineering, ETH Zürich, Basel, Switzerland
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133
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Guo H, Zhang L, Zhou H, Meng W, Ao Y, Wang D, Wang Q. Substrate‐Induced Dimerization Assembly of Chiral Macrocycle Catalysts toward Cooperative Asymmetric Catalysis. Angew Chem Int Ed Engl 2020; 59:2623-2627. [DOI: 10.1002/anie.201910399] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2019] [Revised: 12/02/2019] [Indexed: 11/08/2022]
Affiliation(s)
- Hao Guo
- Beijing National Laboratory for Molecular SciencesCAS Key Laboratory of Molecular Recognition and FunctionInstitute of ChemistryChinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Lie‐Wei Zhang
- Beijing National Laboratory for Molecular SciencesCAS Key Laboratory of Molecular Recognition and FunctionInstitute of ChemistryChinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Hao Zhou
- Beijing National Laboratory for Molecular SciencesCAS Key Laboratory of Molecular Recognition and FunctionInstitute of ChemistryChinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Wei Meng
- Beijing National Laboratory for Molecular SciencesCAS Key Laboratory of Molecular Recognition and FunctionInstitute of ChemistryChinese Academy of Sciences Beijing 100190 China
| | - Yu‐Fei Ao
- Beijing National Laboratory for Molecular SciencesCAS Key Laboratory of Molecular Recognition and FunctionInstitute of ChemistryChinese Academy of Sciences Beijing 100190 China
| | - De‐Xian Wang
- Beijing National Laboratory for Molecular SciencesCAS Key Laboratory of Molecular Recognition and FunctionInstitute of ChemistryChinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Qi‐Qiang Wang
- Beijing National Laboratory for Molecular SciencesCAS Key Laboratory of Molecular Recognition and FunctionInstitute of ChemistryChinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
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134
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Merget S, Catti L, Piccini G, Tiefenbacher K. Requirements for Terpene Cyclizations inside the Supramolecular Resorcinarene Capsule: Bound Water and Its Protonation Determine the Catalytic Activity. J Am Chem Soc 2020; 142:4400-4410. [DOI: 10.1021/jacs.9b13239] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Severin Merget
- Department of Chemistry, University of Basel, Mattenstrasse 24a, CH-4058 Basel, Switzerland
| | - Lorenzo Catti
- WPI Nano Life Science Institute (WPI-NanoLSI), Kanazawa University, Kakuma-machi, Kanazawa 920-1192, Japan
| | - GiovanniMaria Piccini
- Department of Chemistry and Applied Biosciences, ETH Zurich, c/o USI Campus, Via Giuseppe Buffi 13, CH-6900 Lugano, Switzerland
- Facoltàdi Informatica, Istituto di Scienze Computazionali, Università della Svizzera Italiana, Via Giuseppe Buffi 13, CH-6900 Lugano, Switzerland
| | - Konrad Tiefenbacher
- Department of Chemistry, University of Basel, Mattenstrasse 24a, CH-4058 Basel, Switzerland
- Department of Biosystems Science and Engineering, ETH Zürich, Mattenstrasse 26, CH-4058 Basel, Switzerland
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135
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Lauer JC, Pang Z, Janßen P, Rominger F, Kirschbaum T, Elstner M, Mastalerz M. Host-Guest Chemistry of Truncated Tetrahedral Imine Cages with Ammonium Ions. ChemistryOpen 2020; 9:183-190. [PMID: 32025463 PMCID: PMC6996569 DOI: 10.1002/open.201900357] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2019] [Revised: 01/10/2020] [Indexed: 01/29/2023] Open
Abstract
Three shape-persistent [4+4] imine cages with truncated tetrahedral geometry with different window sizes were studied as hosts for the encapsulation of tetra-n-alkylammonium salts of various bulkiness. In various solvents the cages behave differently. For instance, in dichloromethane the cage with smallest window size takes up NEt4+ but not NMe4+, which is in contrast to the two cages with larger windows hosting both ions. To find out the reason for this, kinetic experiments were carried out to determine the velocity of uptake but also to deduce the activation barriers for these processes. To support the experimental results, calculations for the guest uptakes have been performed by molecular mechanics' simulations. Finally, the complexation of pharmaceutical interested compounds, such as acetylcholine, muscarine or denatonium have been determined by NMR experiments.
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Affiliation(s)
- Jochen C. Lauer
- Organisch-Chemisches InstitutRuprecht-Karls-Universität HeidelbergIm Neuenheimer Feld 27069120HeidelbergGermany
| | - Ziwei Pang
- Institut für Physikalische Chemie Theoretische Chemische BiologieUniversität Karlsruhe Geb. 30.44Kaiserstr. 1276131KarlsruheGermany
| | - Paul Janßen
- Organisch-Chemisches InstitutRuprecht-Karls-Universität HeidelbergIm Neuenheimer Feld 27069120HeidelbergGermany
| | - Frank Rominger
- Organisch-Chemisches InstitutRuprecht-Karls-Universität HeidelbergIm Neuenheimer Feld 27069120HeidelbergGermany
| | - Tobias Kirschbaum
- Organisch-Chemisches InstitutRuprecht-Karls-Universität HeidelbergIm Neuenheimer Feld 27069120HeidelbergGermany
| | - Marcus Elstner
- Institut für Physikalische Chemie Theoretische Chemische BiologieUniversität Karlsruhe Geb. 30.44Kaiserstr. 1276131KarlsruheGermany
| | - Michael Mastalerz
- Organisch-Chemisches InstitutRuprecht-Karls-Universität HeidelbergIm Neuenheimer Feld 27069120HeidelbergGermany
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136
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Guo H, Zhang L, Zhou H, Meng W, Ao Y, Wang D, Wang Q. Substrate‐Induced Dimerization Assembly of Chiral Macrocycle Catalysts toward Cooperative Asymmetric Catalysis. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201910399] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Hao Guo
- Beijing National Laboratory for Molecular SciencesCAS Key Laboratory of Molecular Recognition and FunctionInstitute of ChemistryChinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Lie‐Wei Zhang
- Beijing National Laboratory for Molecular SciencesCAS Key Laboratory of Molecular Recognition and FunctionInstitute of ChemistryChinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Hao Zhou
- Beijing National Laboratory for Molecular SciencesCAS Key Laboratory of Molecular Recognition and FunctionInstitute of ChemistryChinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Wei Meng
- Beijing National Laboratory for Molecular SciencesCAS Key Laboratory of Molecular Recognition and FunctionInstitute of ChemistryChinese Academy of Sciences Beijing 100190 China
| | - Yu‐Fei Ao
- Beijing National Laboratory for Molecular SciencesCAS Key Laboratory of Molecular Recognition and FunctionInstitute of ChemistryChinese Academy of Sciences Beijing 100190 China
| | - De‐Xian Wang
- Beijing National Laboratory for Molecular SciencesCAS Key Laboratory of Molecular Recognition and FunctionInstitute of ChemistryChinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
| | - Qi‐Qiang Wang
- Beijing National Laboratory for Molecular SciencesCAS Key Laboratory of Molecular Recognition and FunctionInstitute of ChemistryChinese Academy of Sciences Beijing 100190 China
- University of Chinese Academy of Sciences Beijing 100049 China
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137
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La Manna P, De Rosa M, Talotta C, Rescifina A, Floresta G, Soriente A, Gaeta C, Neri P. Synergic Interplay Between Halogen Bonding and Hydrogen Bonding in the Activation of a Neutral Substrate in a Nanoconfined Space. Angew Chem Int Ed Engl 2020; 59:811-818. [DOI: 10.1002/anie.201909865] [Citation(s) in RCA: 23] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2019] [Revised: 10/17/2019] [Indexed: 12/16/2022]
Affiliation(s)
- Pellegrino La Manna
- Laboratory of Supramolecular ChemistryDipartimento di Chimica e Biologia “A. Zambelli”Università di Salerno Via Giovanni Paolo II, 132 84084 Fisciano (Salerno) Italy
| | - Margherita De Rosa
- Laboratory of Supramolecular ChemistryDipartimento di Chimica e Biologia “A. Zambelli”Università di Salerno Via Giovanni Paolo II, 132 84084 Fisciano (Salerno) Italy
| | - Carmen Talotta
- Laboratory of Supramolecular ChemistryDipartimento di Chimica e Biologia “A. Zambelli”Università di Salerno Via Giovanni Paolo II, 132 84084 Fisciano (Salerno) Italy
| | - Antonio Rescifina
- Dipartimento di Scienze del FarmacoUniversità di Catania viale Andrea Doria, 6 95125 Catania Italy
| | - Giuseppe Floresta
- Dipartimento di Scienze del FarmacoUniversità di Catania viale Andrea Doria, 6 95125 Catania Italy
| | - Annunziata Soriente
- Laboratory of Supramolecular ChemistryDipartimento di Chimica e Biologia “A. Zambelli”Università di Salerno Via Giovanni Paolo II, 132 84084 Fisciano (Salerno) Italy
| | - Carmine Gaeta
- Laboratory of Supramolecular ChemistryDipartimento di Chimica e Biologia “A. Zambelli”Università di Salerno Via Giovanni Paolo II, 132 84084 Fisciano (Salerno) Italy
| | - Placido Neri
- Laboratory of Supramolecular ChemistryDipartimento di Chimica e Biologia “A. Zambelli”Università di Salerno Via Giovanni Paolo II, 132 84084 Fisciano (Salerno) Italy
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138
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Bierschenk SM, Bergman RG, Raymond KN, Toste FD. A Nanovessel-Catalyzed Three-Component Aza-Darzens Reaction. J Am Chem Soc 2020; 142:733-737. [DOI: 10.1021/jacs.9b13177] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Stephen M. Bierschenk
- Chemical Sciences Division, Lawrence Berkeley National Laboratory and Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - Robert G. Bergman
- Chemical Sciences Division, Lawrence Berkeley National Laboratory and Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - Kenneth N. Raymond
- Chemical Sciences Division, Lawrence Berkeley National Laboratory and Department of Chemistry, University of California, Berkeley, California 94720, United States
| | - F. Dean Toste
- Chemical Sciences Division, Lawrence Berkeley National Laboratory and Department of Chemistry, University of California, Berkeley, California 94720, United States
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139
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Horiuchi S, Matsuo C, Sakuda E, Arikawa Y, Clever GH, Umakoshi K. Anion-mediated encapsulation-induced emission enhancement of an IrIII complex within a resorcin[4]arene hexameric capsule. Dalton Trans 2020; 49:8472-8477. [DOI: 10.1039/d0dt01485k] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The anions of the Ir complex salts control the thermodynamic stability and photoluminescence properties of the host–guest complex.
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Affiliation(s)
- Shinnosuke Horiuchi
- Division of Chemistry and Materials Science
- Graduate School of Engineering
- Nagasaki University
- Nagasaki
- Japan
| | - Chiharu Matsuo
- Division of Chemistry and Materials Science
- Graduate School of Engineering
- Nagasaki University
- Nagasaki
- Japan
| | - Eri Sakuda
- Division of Chemistry and Materials Science
- Graduate School of Engineering
- Nagasaki University
- Nagasaki
- Japan
| | - Yasuhiro Arikawa
- Division of Chemistry and Materials Science
- Graduate School of Engineering
- Nagasaki University
- Nagasaki
- Japan
| | - Guido H. Clever
- Faculty of Chemistry and Chemical Biology
- TU Dortmund University
- Dortmund
- Germany
| | - Keisuke Umakoshi
- Division of Chemistry and Materials Science
- Graduate School of Engineering
- Nagasaki University
- Nagasaki
- Japan
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140
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La Manna P, De Rosa M, Talotta C, Rescifina A, Floresta G, Soriente A, Gaeta C, Neri P. Synergic Interplay Between Halogen Bonding and Hydrogen Bonding in the Activation of a Neutral Substrate in a Nanoconfined Space. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201909865] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Affiliation(s)
- Pellegrino La Manna
- Laboratory of Supramolecular ChemistryDipartimento di Chimica e Biologia “A. Zambelli”Università di Salerno Via Giovanni Paolo II, 132 84084 Fisciano (Salerno) Italy
| | - Margherita De Rosa
- Laboratory of Supramolecular ChemistryDipartimento di Chimica e Biologia “A. Zambelli”Università di Salerno Via Giovanni Paolo II, 132 84084 Fisciano (Salerno) Italy
| | - Carmen Talotta
- Laboratory of Supramolecular ChemistryDipartimento di Chimica e Biologia “A. Zambelli”Università di Salerno Via Giovanni Paolo II, 132 84084 Fisciano (Salerno) Italy
| | - Antonio Rescifina
- Dipartimento di Scienze del FarmacoUniversità di Catania viale Andrea Doria, 6 95125 Catania Italy
| | - Giuseppe Floresta
- Dipartimento di Scienze del FarmacoUniversità di Catania viale Andrea Doria, 6 95125 Catania Italy
| | - Annunziata Soriente
- Laboratory of Supramolecular ChemistryDipartimento di Chimica e Biologia “A. Zambelli”Università di Salerno Via Giovanni Paolo II, 132 84084 Fisciano (Salerno) Italy
| | - Carmine Gaeta
- Laboratory of Supramolecular ChemistryDipartimento di Chimica e Biologia “A. Zambelli”Università di Salerno Via Giovanni Paolo II, 132 84084 Fisciano (Salerno) Italy
| | - Placido Neri
- Laboratory of Supramolecular ChemistryDipartimento di Chimica e Biologia “A. Zambelli”Università di Salerno Via Giovanni Paolo II, 132 84084 Fisciano (Salerno) Italy
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141
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Lavendomme R, Desroches F, Moerkerke S, Topić F, Wouters J, Rissanen K, Luhmer M, Jabin I. Selective recognition of small hydrogen bond acceptors by a calix[6]arene-based molecular container. Supramol Chem 2019. [DOI: 10.1080/10610278.2019.1679374] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Affiliation(s)
- Roy Lavendomme
- Laboratoire de Chimie Organique, Université libre deBruxelles (ULB), Brussels, Belgium
- Laboratoire de Résonance Magnétique Nucléaire Haute Résolution, Université libre de Bruxelles (ULB), Brussels, Belgium
| | - Florent Desroches
- Laboratoire de Résonance Magnétique Nucléaire Haute Résolution, Université libre de Bruxelles (ULB), Brussels, Belgium
| | - Steven Moerkerke
- Laboratoire de Chimie Organique, Université libre deBruxelles (ULB), Brussels, Belgium
| | - Filip Topić
- Department of Chemistry, Nanoscience Center, University of Jyväskylä, Jyväskylä, Finland
| | - Johan Wouters
- Département de Chimie, Université de Namur (UNamur), Namur, Belgium
| | - Kari Rissanen
- Department of Chemistry, Nanoscience Center, University of Jyväskylä, Jyväskylä, Finland
| | - Michel Luhmer
- Laboratoire de Résonance Magnétique Nucléaire Haute Résolution, Université libre de Bruxelles (ULB), Brussels, Belgium
| | - Ivan Jabin
- Laboratoire de Chimie Organique, Université libre deBruxelles (ULB), Brussels, Belgium
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142
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Heilmann M, Tiefenbacher K. A Modular Phosphorylated Glycoluril-Derived Molecular Tweezer for Potent Binding of Aliphatic Diamines. Chemistry 2019; 25:12900-12904. [PMID: 31348566 DOI: 10.1002/chem.201902556] [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: 06/04/2019] [Revised: 07/15/2019] [Indexed: 12/16/2022]
Abstract
A molecular tweezer based on a glycoluril-derived framework bearing four phosphate groups was synthesized and shown to be capable of binding organic amines in aqueous solution. This work reports the Ka values for 30 complexes of this molecular tweezer and amine guests, determined by means of 1 H NMR titrations. Both the hydrophobic cavity and the phosphate groups contribute to the binding. Bulkier molecules and molecules bearing negatively charged groups like carboxylates in amino acids bind less tightly due to a steric clash and coulombic repulsion. The narrow cavity and the strong ionic interactions of the phosphate groups with ammonium guests favor binding of aliphatic diamines. These binding properties clearly distinguish this system from structurally related molecular clips and tweezers.
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Affiliation(s)
- Michael Heilmann
- Department of Chemistry, University of Basel, Mattenstrasse 24a, 4058, Basel, Switzerland
| | - Konrad Tiefenbacher
- Department of Chemistry, University of Basel, Mattenstrasse 24a, 4058, Basel, Switzerland.,Department of Biosystems Science and Engineering, Mattenstrasse 26, 4058, Basel, Switzerland
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143
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Basílio N, Pessêgo M, Acuña A, García‐Río L. Sulfonatocalixarene Counterion Exchange Binding Model in Action: Metal‐Ion Catalysis Through Host‐Guest Complexation. ChemCatChem 2019. [DOI: 10.1002/cctc.201901254] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023]
Affiliation(s)
- Nuno Basílio
- LAQV-REQUIMTEDepartamento de Química Faculdade de Ciências e TecnologiaUniversidade NOVA de Lisboa Caparica 2829-516 Portugal
| | - Márcia Pessêgo
- LAQV-REQUIMTEDepartamento de Química Faculdade de Ciências e TecnologiaUniversidade NOVA de Lisboa Caparica 2829-516 Portugal
| | - Angel Acuña
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química FísicaUniversidad de Santiago Santiago 15782 Spain
| | - Luis García‐Río
- Centro Singular de Investigación en Química Biolóxica e Materiais Moleculares (CIQUS) and Departamento de Química FísicaUniversidad de Santiago Santiago 15782 Spain
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144
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Ngai C, Bogie PM, Holloway LR, Dietz PC, Mueller LJ, Hooley RJ. Cofactor-Mediated Nucleophilic Substitution Catalyzed by a Self-Assembled Holoenzyme Mimic. J Org Chem 2019; 84:12000-12008. [PMID: 31449754 DOI: 10.1021/acs.joc.9b01880] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
A self-assembled Fe4L6 cage is capable of co-encapsulating multiple carboxylic acid containing guests in its cavity, and these acids can act as cofactors for cage-catalyzed nucleophilic substitutions. The kinetics of the substitution reaction depend on the size, shape, and binding affinity of each of the components, and small structural changes in guest size can have large effects on the reaction. The host is quite promiscuous and is capable of binding multiple guests with micromolar binding affinities while retaining the ability to effect turnover and catalysis. Substrate binding modes vary widely, from simple 1:1 complexes to 1:2 complexes that can show either negative or positive cooperativity, depending on the guest. The molecularity of the dissociative substitution reaction varies, depending on the electrophile leaving group, acid cofactor, and nucleophile size: small changes in the nature of substrate can have large effects on reaction kinetics, all controlled by selective molecular recognition in the cage interior.
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Affiliation(s)
- Courtney Ngai
- Department of Chemistry , University of California-Riverside , Riverside , California 92521 , United States
| | - Paul M Bogie
- Department of Chemistry , University of California-Riverside , Riverside , California 92521 , United States
| | - Lauren R Holloway
- Department of Chemistry , University of California-Riverside , Riverside , California 92521 , United States
| | - Phillip C Dietz
- Department of Chemistry , University of California-Riverside , Riverside , California 92521 , United States
| | - Leonard J Mueller
- Department of Chemistry , University of California-Riverside , Riverside , California 92521 , United States
| | - Richard J Hooley
- Department of Chemistry , University of California-Riverside , Riverside , California 92521 , United States
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145
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Zhang Q, Tiefenbacher K. Sesquiterpene Cyclizations inside the Hexameric Resorcinarene Capsule: Total Synthesis of δ‐Selinene and Mechanistic Studies. Angew Chem Int Ed Engl 2019; 58:12688-12695. [DOI: 10.1002/anie.201906753] [Citation(s) in RCA: 25] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2019] [Indexed: 12/21/2022]
Affiliation(s)
- Qi Zhang
- Key Laboratory of Green Chemistry and Technology of Ministry of EducationCollege of ChemistrySichuan University 29 Wangjiang Road Chengdu 610064 P. R. China
| | - Konrad Tiefenbacher
- Department of ChemistryUniversity of Basel Postfach 3350, Mattenstrasse 24a 4002 Basel Switzerland
- Department of Biosystems Science and EngineeringETH Zurich Mattenstrasse 26 4058 Basel Switzerland
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146
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Ono K, Niibe M, Iwasawa N. A K +-promoted Diels-Alder reaction by using a self-assembled macrocyclic boronic ester containing two crown ether moieties. Chem Sci 2019; 10:7627-7632. [PMID: 31588314 PMCID: PMC6761878 DOI: 10.1039/c9sc01597c] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2019] [Accepted: 06/16/2019] [Indexed: 12/22/2022] Open
Abstract
A K+-promoted Diels-Alder reaction of 1,4,9,10-anthradiquinone with various dienes is achieved in the presence of a self-assembled macrocyclic boronic ester [2+2]crown containing two crown ether moieties. The reaction rate is remarkably accelerated (up to 206-fold) compared to that in the absence of the promoter. Furthermore, the reaction proceeds regioselectively to yield an internal adduct. The self-assembly protocol was also demonstrated.
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Affiliation(s)
- Kosuke Ono
- Department of Chemistry , Tokyo Institute of Technology , O-okayama, Meguro-ku , Tokyo 152-8551 , Japan .
| | - Morikazu Niibe
- Department of Chemistry , Tokyo Institute of Technology , O-okayama, Meguro-ku , Tokyo 152-8551 , Japan .
| | - Nobuharu Iwasawa
- Department of Chemistry , Tokyo Institute of Technology , O-okayama, Meguro-ku , Tokyo 152-8551 , Japan .
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147
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Yoshizawa M, Catti L. Bent Anthracene Dimers as Versatile Building Blocks for Supramolecular Capsules. Acc Chem Res 2019; 52:2392-2404. [PMID: 31347840 DOI: 10.1021/acs.accounts.9b00301] [Citation(s) in RCA: 145] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
This Account provides a comprehensive summary of our 1-decade-long investigations into bent anthracene dimers as versatile building blocks for supramolecular capsules. The investigations initiated in 2008 with the design of an anthracene dimer with a meta-phenylene spacer bearing two substituents on the convex side. Using the bent polyaromatic building block, we began to develop novel supramolecular capsules from two different synthetic approaches. One is a coordination approach, which was pursued by converting the building block into a bent ligand with two pyridine units at the terminal positions. The ligands quantitatively assemble into an M2L4-type capsule through coordination bonding with metal ions. The other is a π-stacking approach, which was followed by utilizing the block as a bent amphiphilic molecule with two trimethylammonium groups at the spacer. In water, the amphiphiles spontaneously assemble into a micelle-type capsule through the hydrophobic effect and π-stacking interactions. Simple modification of the building block allowed us to prepare a wide variety of coordination capsules as well as π-stacking capsules, bearing different hydrophilic side-chains, terminal substitutions, connecting units, polyaromatic panels, or spacer units. The coordination capsule possesses a rigid cavity, with a diameter of ∼1 nm, surrounded by multiple anthracene panels. The spherical polyaromatic cavity binds various synthetic molecules (e.g., paracyclophanes, corannulene, BODIPY, and fullerene C60) in aqueous solutions. With the aid of the polyaromatic shell, photochemically and thermally reactive radical initiators and oligosulfurs are greatly stabilized in the cavity. Biomolecules such as hydrophilic sucrose and oligo(lactic acid)s as well as hydrophobic androgenic hormones are bound by the capsule with high selectivity. In addition, long amphiphilic poly(ethylene oxide)s are threaded into the closed shell of the capsule(s) to generate unusual pseudorotaxane-shaped host-guest complexes in water. In contrast, the π-stacking capsule furnishes a flexible cavity, adaptable to the size and shape of guest molecules, encircled by multiple anthracene panels. In water, the capsule binds hydrophobic fluorescent dyes (e.g., Nile red and DCM) in the cavity. Simple grinding of the bent amphiphile with highly hydrophobic nanocarbons such as fullerenes, nanographenes, and carbon nanotubes (followed by sonication) as well as metal-complexes such as Cu(II)-phthalocyanines and Mn(III)-tetraphenylporphyrins leads to the efficient formation of water-soluble host-guest complexes upon encapsulation. Red emission from otherwise water-deactivated Eu(III)-complexes is largely enhanced in water through encapsulation. Moreover, the incorporation of pH- and photoswitches into the amphiphile affords stimuli-responsive π-stacking capsules, capable of releasing bound guests by the addition of acid and light irradiation, respectively, in water. The host functions of the coordination and π-stacking capsules are complementary to each other, which enables selection of the capsule-type depending on the envisioned target. We are convinced that continued investigation of the present supramolecular capsules featuring the bent anthracene dimer and its derivatives will further increase their value as advanced molecular tools for synthetic, analytical, material, biological, and/or medical applications.
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Affiliation(s)
- Michito Yoshizawa
- Laboratory for Chemistry and Life Science, Institute of Innovative Research, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 226-8503, Japan
| | - Lorenzo Catti
- Laboratory for Chemistry and Life Science, Institute of Innovative Research, Tokyo Institute of Technology, 4259 Nagatsuta, Midori-ku, Yokohama 226-8503, Japan
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148
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Norjmaa G, Maréchal JD, Ujaque G. Microsolvation and Encapsulation Effects on Supramolecular Catalysis: C-C Reductive Elimination inside [Ga 4L 6] 12- Metallocage. J Am Chem Soc 2019; 141:13114-13123. [PMID: 31390202 DOI: 10.1021/jacs.9b04909] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The host effect of the supramolecular [Ga4L6]12- tetrahedral metallocage on reductive elimination of substrate by encapsulated Au(III) complexes is investigated by means of computational methods. The behavior of the reactants in solution and within the metallocage is initially evaluated by means of classical molecular dynamics simulations. These results guided the selection of proper computational models to describe the reaction in solution and inside the metallocage at the DFT level. The calculated Gibbs energy barriers are in very good agreement with experiment both in solution and inside the metallocage. The analysis in solution revealed that microsolvation around the Au(III) complex increases the Gibbs energy barrier. The analysis within the metallocage shows that its encapsulation favors the reaction. The process can be formally described as removing explicit microsolvation around the gold complex and encapsulating the metal complex inside the metallocage. Both processes are important for the reaction, but the removal of the solvent molecules surrounding the Au(III) metal complex is fundamental for the reduction of the reaction barrier. The energy decomposition analysis of the barrier among strain, interaction, and thermal terms shows that strain term is very low whereas the contribution of thermal (entropic) effects is moderate. Interestingly, the key term responsible for reducing the Gibbs energy barrier is the interaction. This term can be mainly associated with electrostatic interactions in agreement with previous examples in the literature.
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Affiliation(s)
- Gantulga Norjmaa
- Departament de Química and Centro de Innovación en Química Avanzada (ORFEO-CINQA) , Universitat Autònoma de Barcelona , Cerdanyola del Valles , 08193 Barcelona , Catalonia , Spain
| | - Jean-Didier Maréchal
- Departament de Química and Centro de Innovación en Química Avanzada (ORFEO-CINQA) , Universitat Autònoma de Barcelona , Cerdanyola del Valles , 08193 Barcelona , Catalonia , Spain
| | - Gregori Ujaque
- Departament de Química and Centro de Innovación en Química Avanzada (ORFEO-CINQA) , Universitat Autònoma de Barcelona , Cerdanyola del Valles , 08193 Barcelona , Catalonia , Spain
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149
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Zhang Q, Tiefenbacher K. Sesquiterpene Cyclizations inside the Hexameric Resorcinarene Capsule: Total Synthesis of δ‐Selinene and Mechanistic Studies. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201906753] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
Affiliation(s)
- Qi Zhang
- Key Laboratory of Green Chemistry and Technology of Ministry of EducationCollege of ChemistrySichuan University 29 Wangjiang Road Chengdu 610064 P. R. China
| | - Konrad Tiefenbacher
- Department of ChemistryUniversity of Basel Postfach 3350, Mattenstrasse 24a 4002 Basel Switzerland
- Department of Biosystems Science and EngineeringETH Zurich Mattenstrasse 26 4058 Basel Switzerland
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150
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Kiesilä A, Beyeh NK, Moilanen JO, Puttreddy R, Götz S, Rissanen K, Barran P, Lützen A, Kalenius E. Thermodynamically driven self-assembly of pyridinearene to hexameric capsules. Org Biomol Chem 2019; 17:6980-6984. [PMID: 31276147 DOI: 10.1039/c9ob01383k] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Pyridinearene macrocycles have previously shown unique host-guest properties in their capsular dimers including endo complexation of neutral molecules and exo complexation of anions. Here, we demonstrate for the first time the formation of hydrogen bonded hexamer of tetraisobutyl-octahydroxypyridinearene in all three states of matter - gas phase, solution and solid-state. Cationic tris(bipyridine)ruthenium(ii) template was found to stabilize the hexamer in gas phase, whereas solvent molecules do this in condensed phases. In solution, the capsular hexamer was found to be the thermodynamically favoured self-assembly product and transition from dimer to hexamer occurred in course of time. The crystal structure of hexamer revealed 24 N-HO direct intermolecular hydrogen bonds between the six pyridinearene macrocycles without any bridging solvent molecules. Hydrogen bond patterns correlate well with DFT computed structures. Thus, all structural chemistry methods (IM-MS, DOSY NMR, DFT, X-ray crystallography) support the same structure of the hexameric capsule that has a diameter of ca. 3 nm and volume of 1160 Å3.
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Affiliation(s)
- Anniina Kiesilä
- Department of Chemistry, Nanoscience Center, P. O. Box 35, FI-40014 University of Jyväskylä, Finland.
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