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Mobili R, Preda G, Dondi D, Monzani E, Vadivel D, Massera C, Pasini D, Amendola V. Triptycene-based diiron(II) mesocates: spin-crossover in solution. Chem Commun (Camb) 2024; 60:5522-5525. [PMID: 38695185 DOI: 10.1039/d4cc00812j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/22/2024]
Abstract
Triptycene-based diiron(II) and dizinc(II) mesocates were obtained using a novel rigid ligand with two pyridylbenzimidazole chelating units fused into the triptycene scaffold. Studies on the diiron(II) assembly in solution showed that the complex undergoes thermal-induced one-step spin-crossover with T1/2 at 243 K (Evans method).
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Affiliation(s)
- Riccardo Mobili
- Department of Chemistry, University of Pavia, viale Torquato Taramelli 12, 27100 Pavia, Italy. valeria.amendola@unipv
- Sorbonne Université, CNRS, Institut Parisien de Chimie Moléculaire, 4 Place Jussieu, Paris, France.
| | - Giovanni Preda
- Department of Chemistry, University of Pavia, viale Torquato Taramelli 12, 27100 Pavia, Italy. valeria.amendola@unipv
| | - Daniele Dondi
- Department of Chemistry, University of Pavia, viale Torquato Taramelli 12, 27100 Pavia, Italy. valeria.amendola@unipv
| | - Enrico Monzani
- Department of Chemistry, University of Pavia, viale Torquato Taramelli 12, 27100 Pavia, Italy. valeria.amendola@unipv
| | - Dhanalakshmi Vadivel
- Department of Chemistry, University of Pavia, viale Torquato Taramelli 12, 27100 Pavia, Italy. valeria.amendola@unipv
| | - Chiara Massera
- Department of Chemistry, Life Science and Environmental Sustainability University of Parma, Parco Area delle Scienze 17/A, 43124, Parma, Italy
| | - Dario Pasini
- Department of Chemistry, University of Pavia, viale Torquato Taramelli 12, 27100 Pavia, Italy. valeria.amendola@unipv
| | - Valeria Amendola
- Department of Chemistry, University of Pavia, viale Torquato Taramelli 12, 27100 Pavia, Italy. valeria.amendola@unipv
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2
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La Cognata S, Amendola V. Recent applications of organic cages in sensing and separation processes in solution. Chem Commun (Camb) 2023; 59:13668-13678. [PMID: 37902039 DOI: 10.1039/d3cc04522f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/31/2023]
Abstract
Organic cages are three-dimensional polycyclic compounds of great interest in the scientific community due to their unique features, which generally include simple synthesis based on the dynamic covalent chemistry strategies, structural tunability and high selectivity. In this feature article, we present the advances over the last ten years in the application of organic cages as chemosensors or components in chemosensing devices for the determination of analytes (pollutants, analytes of biological interest) in complex aqueous media including wine, fruit juice, urine. Details on the recent applications of organic cages as selective (back-)extractants or masking agents for potential applications in relevant separation processes, such as the plutonium and uranium recovery by extraction, are also provided. Over the last ten years, organic cages with permanent porosity in the liquid and solid states have been highly appreciated as porous materials able to discriminate molecules of different sizes. These features, combined with good solvent processability and film-forming tendency, have proved useful in the fabrication of membranes for gas separation, solvent nanofiltration and water remediation processes. An overview of the recent applications of organic cages in membrane separation technologies is given.
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Affiliation(s)
- Sonia La Cognata
- Department of Chemistry, University of Pavia, Viale Taramelli 12, Pavia, I-27100, Italy.
| | - Valeria Amendola
- Department of Chemistry, University of Pavia, Viale Taramelli 12, Pavia, I-27100, Italy.
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3
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Djemili R, Adrouche S, Durot S, Heitz V. Allosterically Driven Assembly of a Multisite Cage-Based [2]Semirotaxane. J Org Chem 2023; 88:14760-14766. [PMID: 37812736 DOI: 10.1021/acs.joc.3c01381] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/11/2023]
Abstract
The assembly of a [2]semirotaxane from a half-dumbbell endowed with a pyrazine coordination site and a bis-Zn(II) porphyrin cage as a multisite ring is reported. The threading is allosterically driven by the coordination of silver(I) ions to the multiple binding sites of the cage linkers, as shown by NMR studies. Addition of chloride ions destabilizes [2]semirotaxane, leading to its disassembly into its cage and half-dumbbell components.
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Affiliation(s)
- Ryan Djemili
- Laboratoire de Synthèse des Assemblages Moléculaires Multifonctionnels Institut de Chimie de Strasbourg, CNRS/UMR 7177, Université de Strasbourg, 4 rue Blaise Pascal, 67000 Strasbourg, France
| | - Sonia Adrouche
- Laboratoire de Synthèse des Assemblages Moléculaires Multifonctionnels Institut de Chimie de Strasbourg, CNRS/UMR 7177, Université de Strasbourg, 4 rue Blaise Pascal, 67000 Strasbourg, France
| | - Stéphanie Durot
- Laboratoire de Synthèse des Assemblages Moléculaires Multifonctionnels Institut de Chimie de Strasbourg, CNRS/UMR 7177, Université de Strasbourg, 4 rue Blaise Pascal, 67000 Strasbourg, France
| | - Valérie Heitz
- Laboratoire de Synthèse des Assemblages Moléculaires Multifonctionnels Institut de Chimie de Strasbourg, CNRS/UMR 7177, Université de Strasbourg, 4 rue Blaise Pascal, 67000 Strasbourg, France
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4
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Ovalle M, Kathan M, Toyoda R, Stindt CN, Crespi S, Feringa BL. Light-Fueled Transformations of a Dynamic Cage-Based Molecular System. Angew Chem Int Ed Engl 2023; 62:e202214495. [PMID: 36453623 DOI: 10.1002/anie.202214495] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2022] [Revised: 11/22/2022] [Accepted: 11/29/2022] [Indexed: 12/03/2022]
Abstract
In a chemical equilibrium, the formation of high-energy species-in a closed system-is inefficient due to microscopic reversibility. Here, we demonstrate how this restriction can be circumvented by coupling a dynamic equilibrium to a light-induced E/Z isomerization of an azobenzene imine cage. The stable E-cage resists intermolecular imine exchange reactions that would "open" it. Upon switching, the strained Z-cage isomers undergo imine exchange spontaneously, thus opening the cage. Subsequent isomerization of the Z-open compounds yields a high-energy, kinetically trapped E-open species, which cannot be efficiently obtained from the initial E-cage, thus shifting an imine equilibrium energetically uphill in a closed system. Upon heating, the nucleophile is displaced back into solution and an opening/closing cycle is completed by regenerating the stable all-E-cage. Using this principle, a light-induced cage-to-cage transformation is performed by the addition of a ditopic aldehyde.
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Affiliation(s)
- Marco Ovalle
- Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 4, 9747AG, Groningen (The, Netherlands
| | - Michael Kathan
- Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 4, 9747AG, Groningen (The, Netherlands.,Present address: Department of Chemistry, Humboldt-Universität zu Berlin, Brook-Taylor-Str. 2, 12489, Berlin, Germany
| | - Ryojun Toyoda
- Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 4, 9747AG, Groningen (The, Netherlands.,Present address: Department of Chemistry, Graduate School of Science, Tohoku University, 6-3 Aramaki-Aza-Aoba, Aobaku, Sendai, 980-8578, Japan
| | - Charlotte N Stindt
- Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 4, 9747AG, Groningen (The, Netherlands
| | - Stefano Crespi
- Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 4, 9747AG, Groningen (The, Netherlands.,Present address: Department of Chemistry-Ångström Laboratory, Uppsala University, Box 523, 75120, Uppsala, Sweden
| | - Ben L Feringa
- Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 4, 9747AG, Groningen (The, Netherlands
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5
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Montà-González G, Sancenón F, Martínez-Máñez R, Martí-Centelles V. Purely Covalent Molecular Cages and Containers for Guest Encapsulation. Chem Rev 2022; 122:13636-13708. [PMID: 35867555 PMCID: PMC9413269 DOI: 10.1021/acs.chemrev.2c00198] [Citation(s) in RCA: 53] [Impact Index Per Article: 26.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Cage compounds offer unique binding pockets similar to enzyme-binding sites, which can be customized in terms of size, shape, and functional groups to point toward the cavity and many other parameters. Different synthetic strategies have been developed to create a toolkit of methods that allow preparing tailor-made organic cages for a number of distinct applications, such as gas separation, molecular recognition, molecular encapsulation, hosts for catalysis, etc. These examples show the versatility and high selectivity that can be achieved using cages, which is impossible by employing other molecular systems. This review explores the progress made in the field of fully organic molecular cages and containers by focusing on the properties of the cavity and their application to encapsulate guests.
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Affiliation(s)
- Giovanni Montà-González
- Instituto
Interuniversitario de Investigación de Reconocimiento Molecular
y Desarrollo Tecnológico (IDM) Universitat
Politècnica de València, Universitat de València. Camino de Vera, s/n 46022, Valencia, Spain
| | - Félix Sancenón
- Instituto
Interuniversitario de Investigación de Reconocimiento Molecular
y Desarrollo Tecnológico (IDM) Universitat
Politècnica de València, Universitat de València. Camino de Vera, s/n 46022, Valencia, Spain,CIBER
de Bioingeniería, Biomateriales y Nanomedicina, Instituto de Salud Carlos III, 28029 Madrid, Spain,Centro
de Investigación Príncipe Felipe, Unidad Mixta UPV-CIPF
de Investigación de Mecanismos de Enfermedades y Nanomedicina,
Valencia, Universitat Politècnica
de València, 46012 Valencia, Spain,Instituto
de Investigación Sanitaria la Fe, Unidad Mixta de Investigación
en Nanomedicina y Sensores, Universitat
Politènica de València, 46026 València, Spain,Departamento
de Química, Universitat Politècnica
de València, 46022 Valencia, Spain
| | - Ramón Martínez-Máñez
- Instituto
Interuniversitario de Investigación de Reconocimiento Molecular
y Desarrollo Tecnológico (IDM) Universitat
Politècnica de València, Universitat de València. Camino de Vera, s/n 46022, Valencia, Spain,CIBER
de Bioingeniería, Biomateriales y Nanomedicina, Instituto de Salud Carlos III, 28029 Madrid, Spain,Centro
de Investigación Príncipe Felipe, Unidad Mixta UPV-CIPF
de Investigación de Mecanismos de Enfermedades y Nanomedicina,
Valencia, Universitat Politècnica
de València, 46012 Valencia, Spain,Instituto
de Investigación Sanitaria la Fe, Unidad Mixta de Investigación
en Nanomedicina y Sensores, Universitat
Politènica de València, 46026 València, Spain,Departamento
de Química, Universitat Politècnica
de València, 46022 Valencia, Spain,R.M.-M.: email,
| | - Vicente Martí-Centelles
- Instituto
Interuniversitario de Investigación de Reconocimiento Molecular
y Desarrollo Tecnológico (IDM) Universitat
Politècnica de València, Universitat de València. Camino de Vera, s/n 46022, Valencia, Spain,V.M.-C.:
email,
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6
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Gao Y, Xu M, Lv C, Xu L, Zhang Z, Xu S. A TD-DFT study on photoswitchable chloride salts receptor based on acylhydrazone and crown ether embedded Macrocyclic molecule. COMPUT THEOR CHEM 2022. [DOI: 10.1016/j.comptc.2022.113785] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/03/2022]
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7
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Wang D, Zhang L, Zhao Y. Template-Free Synthesis of an Interlocked Covalent Organic Molecular Cage. J Org Chem 2022; 87:2767-2772. [DOI: 10.1021/acs.joc.1c02688] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Danbo Wang
- College of Polymer Science and Engineering, Qingdao University of Science and Technology, 53 Zhengzhou Road, 266000 Qingdao, China
| | - Lin Zhang
- College of Polymer Science and Engineering, Qingdao University of Science and Technology, 53 Zhengzhou Road, 266000 Qingdao, China
| | - Yingjie Zhao
- College of Polymer Science and Engineering, Qingdao University of Science and Technology, 53 Zhengzhou Road, 266000 Qingdao, China
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8
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Zell J, Duskova K, Chouh L, Bossaert M, Chéron N, Granzhan A, Britton S, Monchaud D. Dual targeting of higher-order DNA structures by azacryptands induces DNA junction-mediated DNA damage in cancer cells. Nucleic Acids Res 2021; 49:10275-10288. [PMID: 34551430 PMCID: PMC8501980 DOI: 10.1093/nar/gkab796] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2021] [Revised: 08/16/2021] [Accepted: 09/01/2021] [Indexed: 12/11/2022] Open
Abstract
DNA is intrinsically dynamic and folds transiently into alternative higher-order structures such as G-quadruplexes (G4s) and three-way DNA junctions (TWJs). G4s and TWJs can be stabilised by small molecules (ligands) that have high chemotherapeutic potential, either as standalone DNA damaging agents or combined in synthetic lethality strategies. While previous approaches have claimed to use ligands that specifically target either G4s or TWJs, we report here on a new approach in which ligands targeting both TWJs and G4s in vitro demonstrate cellular effects distinct from that of G4 ligands, and attributable to TWJ targeting. The DNA binding modes of these new, dual TWJ-/G4-ligands were studied by a panel of in vitro methods and theoretical simulations, and their cellular properties by extensive cell-based assays. We show here that cytotoxic activity of TWJ-/G4-ligands is mitigated by the DNA damage response (DDR) and DNA topoisomerase 2 (TOP2), making them different from typical G4-ligands, and implying a pivotal role of TWJs in cells. We designed and used a clickable ligand, TrisNP-α, to provide unique insights into the TWJ landscape in cells and its modulation upon co-treatments. This wealth of data was exploited to design an efficient synthetic lethality strategy combining dual ligands with clinically relevant DDR inhibitors.
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Affiliation(s)
- Joanna Zell
- Institut de Chimie Moléculaire de l’Université de Bourgogne (ICMUB), CNRS UMR 6302, UBFC Dijon, 21078 Dijon, France
| | - Katerina Duskova
- Institut de Chimie Moléculaire de l’Université de Bourgogne (ICMUB), CNRS UMR 6302, UBFC Dijon, 21078 Dijon, France
| | - Leïla Chouh
- Institut Curie, CNRS UMR 9187, INSERM U1196, PSL Research University, 91405 Orsay, France
- Université Paris Saclay, CNRS UMR 9187, INSERM U1196, 91405 Orsay, France
| | - Madeleine Bossaert
- Institut de Pharmacologie et de Biologie Structurale (IPBS), CNRS UMR 5089, Université de Toulouse, UPS, Équipe labellisée la Ligue Contre le Cancer, 31077 Toulouse, France
| | - Nicolas Chéron
- Pasteur, Département de chimie, École Normale Supérieure (ENS), CNRS UMR8640, PSL Research University, Sorbonne Université, 75005 Paris, France
| | - Anton Granzhan
- Institut Curie, CNRS UMR 9187, INSERM U1196, PSL Research University, 91405 Orsay, France
- Université Paris Saclay, CNRS UMR 9187, INSERM U1196, 91405 Orsay, France
| | - Sébastien Britton
- Institut de Pharmacologie et de Biologie Structurale (IPBS), CNRS UMR 5089, Université de Toulouse, UPS, Équipe labellisée la Ligue Contre le Cancer, 31077 Toulouse, France
| | - David Monchaud
- Institut de Chimie Moléculaire de l’Université de Bourgogne (ICMUB), CNRS UMR 6302, UBFC Dijon, 21078 Dijon, France
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9
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Chiang TH, Tsou CY, Chang YH, Lai CC, Cheng RP, Chiu SH. Using Slippage to Construct a Prototypical Molecular "Lock & Lock" Box. Org Lett 2021; 23:5787-5792. [PMID: 34240877 DOI: 10.1021/acs.orglett.1c01945] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Abstract
We report a new slippage system based on p-tert-butylbenzyl-terminated imidazolium ions and di(ethylene glycol)-containing macrocycles and their use as linking units for the construction of a prototypical molecular "Lock & Lock" box from a resorcinarene-based cavitand "bowl" and a porphyrin "cover". The multivalent structure with four slippage linkers provided the molecular box with high stability, yet the system dissociated into its two components upon application of suitable external stimuli.
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Affiliation(s)
- Ting-Hsuan Chiang
- Department of Chemistry, National Taiwan University, No. 1, Sec. 4, Roosevelt Road, Taipei, Taiwan
| | - Cheng-Yen Tsou
- Department of Chemistry, National Taiwan University, No. 1, Sec. 4, Roosevelt Road, Taipei, Taiwan
| | - Yu-Hsuan Chang
- Department of Chemistry, National Taiwan University, No. 1, Sec. 4, Roosevelt Road, Taipei, Taiwan
| | - Chien-Chen Lai
- Institute of Molecular Biology, National Chung Hsing University, 145 Xingda Road, South District, Taichung, Taiwan
| | - Richard P Cheng
- Department of Chemistry, National Taiwan University, No. 1, Sec. 4, Roosevelt Road, Taipei, Taiwan
| | - Sheng-Hsien Chiu
- Department of Chemistry, National Taiwan University, No. 1, Sec. 4, Roosevelt Road, Taipei, Taiwan
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Sarkar S, Sarkar P, Ghosh P. Heteroditopic Macrobicyclic Molecular Vessels for Single Step Aerial Oxidative Transformation of Primary Alcohol Appended Cross Azobenzenes. J Org Chem 2021; 86:6648-6664. [PMID: 33908241 DOI: 10.1021/acs.joc.1c00409] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
A series of oxy-ether tris-amino heteroditopic macrobicycles (L1-L4) with various cavity dimensions have been synthesized and explored for their Cu(II) catalyzed selective single step aerial oxidative cross-coupling of primary alcohol based anilines with several aromatic amines toward the formation of primary alcohol appended cross azobenzenes (POCABs). The beauty of this transformation is that the easily oxidizable benzyl/primary alcohol group remains unhampered during the course of this oxidation due to the protective oxy-ether pocket of this series of macrobicyclic vessels. Various dimensionalities of the molecular vessels have shown specific size complementary selection for substrates toward efficient syntheses of regioselective POCAB products. To establish the requirement of the three-dimensional cavity based additives, a particular catalytic reaction has been examined in the presence of macrobicycles (L2 and L3) versus macrocycles (MC1 and MC2) and tripodal acyclic (AC1 and AC2) analogous components, respectively. Subsequently, L1-L4 have been extensively utilized toward the syntheses of as many as 44 POCABs and are characterized by different spectroscopic techniques and single crystal X-ray diffraction studies.
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Affiliation(s)
- Sayan Sarkar
- School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Kolkata, 700032, India
| | - Piyali Sarkar
- School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Kolkata, 700032, India
| | - Pradyut Ghosh
- School of Chemical Sciences, Indian Association for the Cultivation of Science, 2A & 2B Raja S. C. Mullick Road, Kolkata, 700032, India
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