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Valentini M, Ercolani G, Di Stefano S. Kinetic Trapping of an Out-of-Equilibrium Dynamic Library of Imines by Changing Solvent. Chemistry 2024; 30:e202401104. [PMID: 38584126 DOI: 10.1002/chem.202401104] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2024] [Revised: 04/04/2024] [Accepted: 04/07/2024] [Indexed: 04/09/2024]
Abstract
A well-behaved dynamic library composed of two imines and corresponding amines was subjected to the action of an activated carboxylic acid (ACA), whose decarboxylation is known to be base promoted, in different solvents, namely CD2Cl2, CD3CN, and mixtures of them. Two non-equilibrium systems are consequently obtained: i) a dissipative (CD2Cl2) and ii) an out-of-equilibrium (CD3CN) dynamic library whose composition goes back to equilibrium after a given time. In the former case, the library is fully coupled with the decarboxylation of the ACA, while in the latter, an energy ratchet operates. In the mixed solvents, the library exhibits a mediated behavior. Interestingly, in the presence of an excess of added ACA, the different behavior of the imine library in the two solvents is expected to manifest only when the excess acid is consumed.
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Affiliation(s)
- Matteo Valentini
- Department of Chemistry, Università di Roma La Sapienza and ISB-CNR Sede Secondaria di Roma -, Meccanismi di Reazione, P.le A. Moro 5, I-00185, Roma, Italy
| | - Gianfranco Ercolani
- Department of Chemical Science and Technology, Università di Roma Tor Vergata, Via della Ricerca Scientifica, I-00133, Roma, Italy
| | - Stefano Di Stefano
- Department of Chemistry, Università di Roma La Sapienza and ISB-CNR Sede Secondaria di Roma -, Meccanismi di Reazione, P.le A. Moro 5, I-00185, Roma, Italy
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2
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de Jong J, Siegler MA, Wezenberg SJ. A Photoswitchable Macrocycle Controls Anion-Templated Pseudorotaxane Formation and Axle Relocalization. Angew Chem Int Ed Engl 2024; 63:e202316628. [PMID: 38059917 DOI: 10.1002/anie.202316628] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Revised: 12/01/2023] [Accepted: 12/06/2023] [Indexed: 12/08/2023]
Abstract
Important biological processes, such as signaling and transport, are regulated by dynamic binding events. The development of artificial supramolecular systems in which binding between different components is controlled could help emulate such processes. Herein, we describe stiff-stilbene-containing macrocycles that can be switched between (Z)- and (E)-isomers by light, as demonstrated by UV/Vis and 1 H NMR spectroscopy. The (Z)-isomers can be effectively threaded by pyridinium halide axles to give pseudorotaxane complexes, as confirmed by 1 H NMR titration studies and single-crystal X-ray crystallography. The overall stability of these complexes can be tuned by varying the templating counteranion. However, upon light-induced isomerization to the (E)-isomer, the threading capability is drastically reduced. The axle component, in addition, can form a heterodimeric complex with a secondary isophthalamide host. Therefore, when all components are combined, light irradiation triggers axle exchange between the macrocycle and this secondary host, which has been monitored by 1 H NMR spectroscopy and simulated computationally.
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Affiliation(s)
- Jorn de Jong
- Leiden Institute of Chemistry, Leiden University, Einsteinweg 55, 2333 CC, Leiden, The Netherlands
| | - Maxime A Siegler
- Department of Chemistry, Johns Hopkins University, 3400 N. Charles St., Baltimore, MD 21218, USA
| | - Sander J Wezenberg
- Leiden Institute of Chemistry, Leiden University, Einsteinweg 55, 2333 CC, Leiden, The Netherlands
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3
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Mondal D, Kundu S, Elramadi E, Rajasekaran VV, Schmittel M. Orthogonal Initiation of Molecular Motion Devices by Two Chemical Fuels. J Am Chem Soc 2023. [PMID: 38019966 DOI: 10.1021/jacs.3c08134] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2023]
Abstract
Herein, we demonstrate the selective dissipative and orthogonal actuation of two distinct molecular devices controlled by alternate fuel use. When the multicomponent ensemble of [2]rotaxane 1 and turnstile [Cu(2)(3)]+ was charged with AgBF4 as chemical fuel (Fuel 1) together with NEt3/PhCH2Br (cofuels), the transiently formed [Ag(1)]+ showed a stochastic shuttling of the silver macrocycle between two degenerate triazole stations on the thread (k298 = 1.2 × 105 s-1), whereas [Cu(2)(3)]+ was unperturbed. Instead, treatment of the mixture with PPh3 as an alternative fuel (Fuel 2) in the presence of oxidant 4 (cofuel) generated the complex [Cu(3)(PPh3)2]+ and transient thermal motion in rotor 2 (k298 = 4.9 × 104 s-1), whereas rotaxane 1 stayed dormant. Thus, two distinct chemical fuels selectively and orthogonally activated two distinct transient motion devices from a multicomponent mixture. In total, four interference-free dissipative cycles were demonstrated by using alternating fuel additions.
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Affiliation(s)
- Debabrata Mondal
- Center of Micro- and Nanochemistry and (Bio)Technology (Cμ), Organische Chemie I, School of Science and Engineering, University of Siegen, Adolf-Reichwein-Str. 2, D-57068 Siegen, Germany
| | - Sohom Kundu
- Center of Micro- and Nanochemistry and (Bio)Technology (Cμ), Organische Chemie I, School of Science and Engineering, University of Siegen, Adolf-Reichwein-Str. 2, D-57068 Siegen, Germany
| | - Emad Elramadi
- Center of Micro- and Nanochemistry and (Bio)Technology (Cμ), Organische Chemie I, School of Science and Engineering, University of Siegen, Adolf-Reichwein-Str. 2, D-57068 Siegen, Germany
| | - Vishnu Verman Rajasekaran
- Center of Micro- and Nanochemistry and (Bio)Technology (Cμ), Organische Chemie I, School of Science and Engineering, University of Siegen, Adolf-Reichwein-Str. 2, D-57068 Siegen, Germany
| | - Michael Schmittel
- Center of Micro- and Nanochemistry and (Bio)Technology (Cμ), Organische Chemie I, School of Science and Engineering, University of Siegen, Adolf-Reichwein-Str. 2, D-57068 Siegen, Germany
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4
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Valentini M, Frateloreto F, Conti M, Cacciapaglia R, Del Giudice D, Di Stefano S. A Doubly Dissipative System Driven by Chemical and Radiative Stimuli. Chemistry 2023; 29:e202301835. [PMID: 37326465 DOI: 10.1002/chem.202301835] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 06/16/2023] [Accepted: 06/16/2023] [Indexed: 06/17/2023]
Abstract
The operation of a dissipative network composed of two or three different crown-ether receptors and an alkali metal cation can be temporally driven by the use (combined or not) of two orthogonal stimuli of a different nature. More specifically, irradiation with light at a proper wavelength and/or addition of an activated carboxylic acid, are used to modulate the binding capability of the above crown-ethers towards the metal ion, allowing to control over time the occupancy of the metal cation in the crown-ether moiety of a given ligand. Thus, application of either or both of the stimuli to an initially equilibrated system, where the metal cation is distributed among the crown-ether receptors depending on the different affinities, causes a programmable change in the receptor occupancies. Consequently, the system is induced to evolve to one or more out-of-equilibrium states with different distributions of the metal cation among the different receptors. When the fuel is exhausted or/and the irradiation interrupted, the system reversibly and autonomously goes back to the initial equilibrium state. Such results may contribute to the achievement of new dissipative systems that, taking advantage of multiple and orthogonal stimuli, are featured with more sophisticated operating mechanisms and time programmability.
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Affiliation(s)
- Matteo Valentini
- Department of Chemistry, Università di Roma La Sapienza and ISB-CNR Sede Secondaria di Roma - Meccanismi di Reazione, P.le A. Moro 5, 00185, Roma, Italy
| | - Federico Frateloreto
- Department of Chemistry, Università di Roma La Sapienza and ISB-CNR Sede Secondaria di Roma - Meccanismi di Reazione, P.le A. Moro 5, 00185, Roma, Italy
| | - Matteo Conti
- Department of Chemistry, Università di Roma La Sapienza and ISB-CNR Sede Secondaria di Roma - Meccanismi di Reazione, P.le A. Moro 5, 00185, Roma, Italy
| | - Roberta Cacciapaglia
- Department of Chemistry, Università di Roma La Sapienza and ISB-CNR Sede Secondaria di Roma - Meccanismi di Reazione, P.le A. Moro 5, 00185, Roma, Italy
| | - Daniele Del Giudice
- Department of Chemistry, Università di Roma La Sapienza and ISB-CNR Sede Secondaria di Roma - Meccanismi di Reazione, P.le A. Moro 5, 00185, Roma, Italy
| | - Stefano Di Stefano
- Department of Chemistry, Università di Roma La Sapienza and ISB-CNR Sede Secondaria di Roma - Meccanismi di Reazione, P.le A. Moro 5, 00185, Roma, Italy
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5
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Wang Z, Xiao J, Zhao T, Zhang C, Wang L, He N, Kong Q, Wang X. Transient regulation of gel properties by chemical reaction networks. Chem Commun (Camb) 2023; 59:9818-9831. [PMID: 37497715 DOI: 10.1039/d3cc02479b] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/28/2023]
Abstract
Transient regulation of gel properties by chemical reaction networks (CRNs) represents an emerging and effective strategy to program or temporally control the structures, properties, and functions of gel materials in a self-regulated manner. CRNs provide significant opportunities to construct complex or sustainable gels with excellent dynamic features, thus expanding the application scope of these materials. CRN-based methods for transiently regulating the gel properties are receiving increasing attention, and the related fields are worth further studying. This feature article focuses on the CRN-mediated transient regulation of six properties of gels, which are transient gelation, transient liquefaction of gels, transient assembly of macroscopic gels, temporary actuation of gels, transient healing ability of kinetically inert gels, and cascade reaction-based self-reporting of external stimuli. Recent advances that showcase the six properties of gels controlled by CRNs are featured, the characterization and structural elucidation of gels are detailed, and the significance, achievements, and expectations of this field are discussed. The strategy of transient regulation of gel properties via CRNs is potentially useful for building the next generation of adaptive functional materials.
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Affiliation(s)
- Zhongrui Wang
- National Engineering Research Center for Colloidal Materials and Key Laboratory of Colloid and Interface Chemistry of the Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan, Shandong 250100, China.
| | - Jing Xiao
- National Engineering Research Center for Colloidal Materials and Key Laboratory of Colloid and Interface Chemistry of the Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan, Shandong 250100, China.
| | - Ting Zhao
- National Engineering Research Center for Colloidal Materials and Key Laboratory of Colloid and Interface Chemistry of the Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan, Shandong 250100, China.
| | - Chunxiao Zhang
- National Engineering Research Center for Colloidal Materials and Key Laboratory of Colloid and Interface Chemistry of the Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan, Shandong 250100, China.
| | - Luping Wang
- National Engineering Research Center for Colloidal Materials and Key Laboratory of Colloid and Interface Chemistry of the Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan, Shandong 250100, China.
| | - Nan He
- National Engineering Research Center for Colloidal Materials and Key Laboratory of Colloid and Interface Chemistry of the Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan, Shandong 250100, China.
| | - Qingming Kong
- National Engineering Research Center for Colloidal Materials and Key Laboratory of Colloid and Interface Chemistry of the Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan, Shandong 250100, China.
| | - Xu Wang
- National Engineering Research Center for Colloidal Materials and Key Laboratory of Colloid and Interface Chemistry of the Ministry of Education, School of Chemistry and Chemical Engineering, Shandong University, Jinan, Shandong 250100, China.
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6
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Rajasekaran VV, Elramadi E, Valiyev I, Howlader P, Schmittel M. Fast and slow walking driven by chemical fuel. Chem Commun (Camb) 2023; 59:3886-3889. [PMID: 36916664 DOI: 10.1039/d3cc00357d] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/16/2023]
Abstract
We demonstrate the fast forward and slow backward motion of a biped on a tetrahedral track using chemical fuel, cooperative binding and kinetic selectivity. Walking of the biped is based on its dibenzyl amine feet that bind to zinc porphyrin units and, upon protonation, to dibenzo 24-crown-8 sites affording pseudorotaxane linkages.
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Affiliation(s)
- Vishnu Verman Rajasekaran
- Center of Micro and Nanochemistry and (Bio)Technology, Organische Chemie I, School of Science and Technology, University of Siegen, Adolf-Reichwein-Str. 2, D-57068, Germany.
| | - Emad Elramadi
- Center of Micro and Nanochemistry and (Bio)Technology, Organische Chemie I, School of Science and Technology, University of Siegen, Adolf-Reichwein-Str. 2, D-57068, Germany.
| | - Isa Valiyev
- Center of Micro and Nanochemistry and (Bio)Technology, Organische Chemie I, School of Science and Technology, University of Siegen, Adolf-Reichwein-Str. 2, D-57068, Germany.
| | - Prodip Howlader
- Center of Micro and Nanochemistry and (Bio)Technology, Organische Chemie I, School of Science and Technology, University of Siegen, Adolf-Reichwein-Str. 2, D-57068, Germany.
| | - Michael Schmittel
- Center of Micro and Nanochemistry and (Bio)Technology, Organische Chemie I, School of Science and Technology, University of Siegen, Adolf-Reichwein-Str. 2, D-57068, Germany.
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7
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Del Giudice D, Di Stefano S. Dissipative Systems Driven by the Decarboxylation of Activated Carboxylic Acids. Acc Chem Res 2023; 56:889-899. [PMID: 36916734 PMCID: PMC10077594 DOI: 10.1021/acs.accounts.3c00047] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/16/2023]
Abstract
ConspectusThe achievement of artificial systems capable of being maintained in out-of-equilibrium states featuring functional properties is a main goal of current chemical research. Absorption of electromagnetic radiation or consumption of a chemical species (a "chemical fuel") are the two strategies typically employed to reach such out-of-equilibrium states, which have to persist as long as one of the above stimuli is present. For this reason such systems are often referred to as "dissipative systems". In the simplest scheme, the dissipative system is initially found in a resting, equilibrium state. The addition of a chemical fuel causes the system to shift to an out-of-equilibrium state. When the fuel is exhausted, the system reverts to the initial, equilibrium state. Thus, from a mechanistic standpoint, the dissipative system turns out to be a catalyst for the fuel consumption. It has to be noted that, although very simple, this scheme implies the chance to temporally control the dissipative system. In principle, modulating the nature and/or the amount of the chemical fuel added, one can have full control of the time spent by the system in the out-of-equilibrium state.In 2016, we found that 2-cyano-2-phenylpropanoic acid (1a), whose decarboxylation proceeds smoothly under mild basic conditions, could be used as a chemical fuel to drive the back and forth motion of a catenane-based molecular switch. The acid donates a proton to the catenane that passes from the neutral state A to the transient protonated state B. Decarboxylation of the resulting carboxylate (1acb), generates a carbanion, which, being a strong base, retakes the proton from the protonated catenane that, consequently, returns to the initial state A. The larger the amount of the added fuel, the longer the time spent by the catenane in the transient, out-of-equilibrium state. Since then, acid 1a and other activated carboxylic acids (ACAs) have been used to drive the operation of a large number of dissipative systems based on the acid-base reaction, from molecular machines to host-guest systems, from catalysts to smart materials, and so on. This Account illustrates such systems with the purpose to show the wide applicability of ACAs as chemical fuels. This generality is due to the simplicity of the idea underlying the operation principle of ACAs, which always translates into simple experimental requirements.
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Affiliation(s)
- Daniele Del Giudice
- Dipartimento di Chimica and ISB-CNR Sede Secondaria di Roma - Meccanismi di Reazione, Università degli Studi di Roma "La Sapienza", P.le A. Moro 5, 00185 Rome, Italy
| | - Stefano Di Stefano
- Dipartimento di Chimica and ISB-CNR Sede Secondaria di Roma - Meccanismi di Reazione, Università degli Studi di Roma "La Sapienza", P.le A. Moro 5, 00185 Rome, Italy
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8
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Sakata Y, Nakamura R, Hibi T, Akine S. Speed Tuning of the Formation/Dissociation of a Metallorotaxane. Angew Chem Int Ed Engl 2023; 62:e202217048. [PMID: 36628483 DOI: 10.1002/anie.202217048] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2022] [Revised: 01/05/2023] [Accepted: 01/10/2023] [Indexed: 01/12/2023]
Abstract
Switching between the formation/dissociation of rotaxanes is important to control the function of various types of rotaxane-based materials. We have developed a convenient and simple strategy, the so-called "accelerator addition", to make a static rotaxane dynamic without apparently affecting the chemical structure. As an interlocked molecule that enables tuning of the formation/dissociation speed, a metallorotaxane was quantitatively generated by the complexation of a triptycene-based dumbbell-shaped mononuclear complex, [PdL2 ]2+ (L=2,3-diaminotriptycene), with 27C9. As a result of the inertness of the Pd2+ -based coordination structure, the metallorotaxane was slowly formed (the static state). This rotaxane formation was accelerated 27 times simply by adding Br- as an accelerator (the dynamic state). A similar drastic acceleration was also demonstrated during the dissociation process when Cs+ was added to the metallorotaxane to form the free axle [PdL2 ]2+ and the 27C9-Cs+ complex.
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Affiliation(s)
- Yoko Sakata
- Graduate School of Natural Science and Technology, Kanazawa University Kakuma-machi, Kanazawa, 920-1192, Japan.,Nano Life Science Institute (WPI-NanoLSI), Kanazawa University Kakuma-machi, Kanazawa, 920-1192, Japan
| | - Ryosuke Nakamura
- Graduate School of Natural Science and Technology, Kanazawa University Kakuma-machi, Kanazawa, 920-1192, Japan
| | - Toshihiro Hibi
- Graduate School of Natural Science and Technology, Kanazawa University Kakuma-machi, Kanazawa, 920-1192, Japan
| | - Shigehisa Akine
- Graduate School of Natural Science and Technology, Kanazawa University Kakuma-machi, Kanazawa, 920-1192, Japan.,Nano Life Science Institute (WPI-NanoLSI), Kanazawa University Kakuma-machi, Kanazawa, 920-1192, Japan
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9
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Ayme JF, Bruchmann B, Karmazin L, Kyritsakas N. Transient self-assembly of metal-organic complexes. Chem Sci 2023; 14:1244-1251. [PMID: 36756320 PMCID: PMC9891378 DOI: 10.1039/d2sc06374c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Accepted: 01/06/2023] [Indexed: 01/11/2023] Open
Abstract
Implementing transient processes in networks of dynamic molecules holds great promise for developing new functional behaviours. Here we report that trichloroacetic acid can be used to temporarily rearrange networks of dynamic imine-based metal complexes towards new equilibrium states, forcing them to express complexes otherwise unfavourable in their initial equilibrium states. Basic design principles were determined for the creation of such networks. Where a complex distribution of products was obtained in the initial equilibrium state of the system, the transient rearrangement temporarily yielded a simplified output, forcing a more structured distribution of products. Where a single complex was obtained in the initial equilibrium state of the system, the transient rearrangement temporarily modified the properties of this complex. By doing so, the mechanical properties of an helical macrocyclic complex could be temporarily altered by rearranging it into a [2]catenane.
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Affiliation(s)
- Jean-François Ayme
- BASF SE, Joint Research Network on Advanced Materials and Systems (JONAS) Carl-Bosch Str. 38 67056 Ludwigshafen Germany
| | - Bernd Bruchmann
- BASF SE, Joint Research Network on Advanced Materials and Systems (JONAS) Carl-Bosch Str. 38 67056 Ludwigshafen Germany
| | - Lydia Karmazin
- Service de Radiocristallographie, Fédération de chimie Le Bel FR2010, Université de Strasbourg1 rue Blaise Pascal67008 StrasbourgFrance
| | - Nathalie Kyritsakas
- Service de Radiocristallographie, Fédération de chimie Le Bel FR2010, Université de Strasbourg1 rue Blaise Pascal67008 StrasbourgFrance
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10
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Sharma C, Maity I, Walther A. pH-feedback systems to program autonomous self-assembly and material lifecycles. Chem Commun (Camb) 2023; 59:1125-1144. [PMID: 36629372 DOI: 10.1039/d2cc06402b] [Citation(s) in RCA: 14] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
pH-responsive systems have gained importance for the development of smart materials and for biomedical applications because they can switch between different states by simple acid/base triggers. However, such equilibrium systems lack the autonomous behaviour that is so ubiquitous in living systems that self-regulate out of equilibrium. As a contribution to the emerging field of autonomous chemical systems, we have developed pH-feedback systems (pH-FS) based on the coupling of acid- and base-producing steps in chemical reaction networks. The resulting autonomous nonlinear pH curves can be coupled with a variety of pH-sensitive building blocks to program the lifecycles of the associated transient state at the level of self-assemblies and material systems. In this article, we discuss the different generations of such pH-feedback systems, the principles of their coupling to self-assemblies with lifecycles and highlight emerging concepts for the design of autonomous functional materials. The specificity, robustness, and flexible operation of such pH-FS can also be used to realize chemo-structural and chemo-mechanical feedbacks that extend the behaviour of such materials systems toward complex and functional life-like systems.
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Affiliation(s)
- Charu Sharma
- Life-Like Materials and Systems, Department of Chemistry, University of Mainz, Duesbergweg 10-14, 55128 Mainz, Germany.
| | - Indrajit Maity
- Life-Like Materials and Systems, Department of Chemistry, University of Mainz, Duesbergweg 10-14, 55128 Mainz, Germany.
| | - Andreas Walther
- Life-Like Materials and Systems, Department of Chemistry, University of Mainz, Duesbergweg 10-14, 55128 Mainz, Germany.
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11
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Li Z, Chen M, Chen Z, Zhu YL, Guo C, Wang H, Qin Y, Fang F, Wang D, Su C, He C, Yu X, Lu ZY, Li X. Non-equilibrium Nanoassemblies Constructed by Confined Coordination on a Polymer Chain. J Am Chem Soc 2022; 144:22651-22661. [PMID: 36411055 DOI: 10.1021/jacs.2c09726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
Abstract
Biological systems employ non-equilibrium self-assembly to create ordered nanoarchitectures with sophisticated functions. However, it is challenging to construct artificial non-equilibrium nanoassemblies due to lack of control over assembly dynamics and kinetics. Herein, we design a series of linear polymers with different side groups for further coordination-driven self-assembly based on shape-complementarity. Such a design introduces a main-chain confinement which effectively slows down the assembly process of side groups, thus allowing us to monitor the real-time evolution of lychee-like nanostructures. The function related to the non-equilibrium nature is further explored by performing photothermal conversion study. The ability to observe and capture non-equilibrium states in this supramolecular system will enhance our understanding of the thermodynamic and kinetic features as well as functions of living systems.
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Affiliation(s)
- Zhikai Li
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, Guangdong 518060, China.,Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen, Guangdong 518060, China
| | - Min Chen
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, Guangdong 518060, China
| | - Zhi Chen
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, Guangdong 518060, China
| | - You-Liang Zhu
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, China
| | - Chenxing Guo
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, Guangdong 518060, China
| | - Heng Wang
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, Guangdong 518060, China
| | - Yi Qin
- Center for AIE Research, College of Materials Science and Engineering, Shenzhen University, Shenzhen, Guangdong 518060, China
| | - Fang Fang
- Instrumental Analysis Center, Shenzhen University, Shenzhen, Guangdong 518060, China
| | - Dong Wang
- Center for AIE Research, College of Materials Science and Engineering, Shenzhen University, Shenzhen, Guangdong 518060, China
| | - Chenliang Su
- Institute of Microscale Optoelectronics, Shenzhen University, Shenzhen, Guangdong 518060, China
| | - Chuanxin He
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, Guangdong 518060, China
| | - Xiujun Yu
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, Guangdong 518060, China
| | - Zhong-Yuan Lu
- State Key Laboratory of Supramolecular Structure and Materials, College of Chemistry, Jilin University, Changchun 130012, China
| | - Xiaopeng Li
- College of Chemistry and Environmental Engineering, Shenzhen University, Shenzhen, Guangdong 518060, China.,Shenzhen University General Hospital, Shenzhen University Clinical Medical Academy, Shenzhen, Guangdong 518055, China
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12
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Wootten MM, Tshepelevitsh S, Leito I, Clayden J. A Chemically Fuelled Molecular Automaton Displaying Programmed Migration of Zn 2+ Between Alternative Binding Sites. Chemistry 2022; 28:e202202247. [PMID: 35880579 PMCID: PMC9804598 DOI: 10.1002/chem.202202247] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Indexed: 01/05/2023]
Abstract
A molecular system comprising a cationic zinc complex and an amino acid-derived ambident ligand having phosphate and carboxylate binding sites undergoes a series of rearrangements in which the metal cation migrates autonomously from one site to another. The location of the metal is identified by the circular dichroism spectrum of a ligated bis(2-quinolylmethyl)-(2-pyridylmethyl)amine (BQPA) chromophore, which takes a characteristic shape at each binding site. Migration is fuelled by the decomposition of trichloroacetic acid to CO2 and CHCl3 , which progressively neutralises the acidity of the system as a function of time, revealing in sequence binding sites of increasing basicity. The migration rate responds to control by variation of the temperature, water content and triethylamine concentration, while an excess of fuel controls the duration of an induction period before the migration event.
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Affiliation(s)
- Matthew M Wootten
- School of Chemistry, University of Bristol, Cantock's Close, Bristol, BS8 1TS, UK
| | - Sofja Tshepelevitsh
- Institute of Chemistry, University of Tartu, Ravila 14a, Tartu, 50411, Estonia
| | - Ivo Leito
- Institute of Chemistry, University of Tartu, Ravila 14a, Tartu, 50411, Estonia
| | - Jonathan Clayden
- School of Chemistry, University of Bristol, Cantock's Close, Bristol, BS8 1TS, UK
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13
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Mondal A, Toyoda R, Costil R, Feringa BL. Chemically Driven Rotatory Molecular Machines. Angew Chem Int Ed Engl 2022; 61:e202206631. [PMID: 35852813 PMCID: PMC9826306 DOI: 10.1002/anie.202206631] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Indexed: 01/11/2023]
Abstract
Molecular machines are at the frontier of biology and chemistry. The ability to control molecular motion and emulating the movement of biological systems are major steps towards the development of responsive and adaptive materials. Amazing progress has been seen for the design of molecular machines including light-induced unidirectional rotation of overcrowded alkenes. However, the feasibility of inducing unidirectional rotation about a single bond as a result of chemical conversion has been a challenging task. In this Review, an overview of approaches towards the design, synthesis, and dynamic properties of different classes of atropisomers which can undergo controlled switching or rotation under the influence of a chemical stimulus is presented. They are categorized as molecular switches, rotors, motors, and autonomous motors according to their type of response. Furthermore, we provide a future perspective and challenges focusing on building sophisticated molecular machines.
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Affiliation(s)
- Anirban Mondal
- Stratingh Institute for Chemistry University of GroningenNijenborgh 49747 AGGroningenThe Netherlands
| | - Ryojun Toyoda
- Stratingh Institute for Chemistry University of GroningenNijenborgh 49747 AGGroningenThe Netherlands,Department of ChemistryGraduate School of ScienceTohoku University6-3 Aramaki-Aza-AobaAobaku, Sendai980-8578Japan
| | - Romain Costil
- Stratingh Institute for Chemistry University of GroningenNijenborgh 49747 AGGroningenThe Netherlands
| | - Ben L. Feringa
- Stratingh Institute for Chemistry University of GroningenNijenborgh 49747 AGGroningenThe Netherlands
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14
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Zhao T, E Y, Cui J, Hao J, Wang X. Nonequilibrium regulation of interfacial chemistry for transient macroscopic supramolecular assembly. J Colloid Interface Sci 2022. [DOI: 10.1016/j.jcis.2022.05.066] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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15
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Benny R, Sahoo D, George A, De S. Recent Advances in Fuel-Driven Molecular Switches and Machines. ChemistryOpen 2022; 11:e202200128. [PMID: 36071446 PMCID: PMC9452441 DOI: 10.1002/open.202200128] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/03/2022] [Revised: 08/16/2022] [Indexed: 11/22/2022] Open
Abstract
The molecular switches and machines arena has entered a new phase in which molecular machines operate under out-of-equilibrium conditions using appropriate fuel. Unlike the equilibrium version, the dissipative off-equilibrium machines necessitate only one stimulus input to complete each cycle and decrease chemical waste. Such a modus operandi would set significant steps towards mimicking the natural machines and may offer a platform for advancing new applications by providing temporal control. This review summarises the recent progress and blueprint of autonomous fuel-driven off-equilibrium molecular switches and machines.
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Affiliation(s)
- Renitta Benny
- School of ChemistryIndian Institute of Science Education and Research Thiruvananthapuram (IISER-TVM)Thiruvananthapuram695551India
| | - Diptiprava Sahoo
- School of ChemistryIndian Institute of Science Education and Research Thiruvananthapuram (IISER-TVM)Thiruvananthapuram695551India
| | - Ajith George
- School of ChemistryIndian Institute of Science Education and Research Thiruvananthapuram (IISER-TVM)Thiruvananthapuram695551India
| | - Soumen De
- School of ChemistryIndian Institute of Science Education and Research Thiruvananthapuram (IISER-TVM)Thiruvananthapuram695551India
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16
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Hossain MM, Jayalath IM, Baral R, Hartley CS. Carbodiimide‐Induced Formation of Transient Polyether Cages**. CHEMSYSTEMSCHEM 2022. [DOI: 10.1002/syst.202200016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
| | - Isuru M. Jayalath
- Department of Chemistry & Biochemistry Miami University Oxford OH 45056 USA
| | - Renuka Baral
- Department of Chemistry & Biochemistry Miami University Oxford OH 45056 USA
| | - C. Scott Hartley
- Department of Chemistry & Biochemistry Miami University Oxford OH 45056 USA
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17
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Mondal A, Toyoda R, Costil R, Feringa BL. Chemically Driven Rotatory Molecular Machines. Angew Chem Int Ed Engl 2022. [DOI: 10.1002/ange.202206631] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Anirban Mondal
- University of Groningen: Rijksuniversiteit Groningen Stratingh Institute for Chemistry NETHERLANDS
| | - Ryojun Toyoda
- University of Groningen: Rijksuniversiteit Groningen Stratingh Institute for Chmistry NETHERLANDS
| | - Romain Costil
- University of Groningen: Rijksuniversiteit Groningen Stratingh Institute for Chemistry NETHERLANDS
| | - Ben L Feringa
- University of Groningen Stratingh Institute for Chemistry, Faculty of Science and Engineering Nijenborgh 4 9747 AG Groningen NETHERLANDS
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18
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Kundu S, Ghosh A, Paul I, Schmittel M. Multicomponent Pseudorotaxane Quadrilateral as Dual-Way Logic AND Gate with Two Catalytic Outputs. J Am Chem Soc 2022; 144:13039-13043. [PMID: 35834720 DOI: 10.1021/jacs.2c05065] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A multicomponent pseudorotaxane quadrilateral was reversibly toggled between three distinct switching states. Switching in the forward conversion was achieved by addition of H+ and K+ ions, and switching in the reverse direction was performed by addition of 18-crown-6 and 1-aza-18-crown-6. In both the forward and backward ways, the inputs operated an AND gate with distinct catalytic outputs. While in the forward direction the logic AND operation starting from a heteroleptic five-component assembly turned "ON" an imine hydrolysis as output (AND-1), in the inverse direction a Michael addition was ignited as the output starting from a seven-component aggregate following the AND gate logic (AND-2).
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Affiliation(s)
- Sohom Kundu
- Center of Micro- and Nanochemistry and (Bio)Technology, Organische Chemie I, Universität Siegen, Adolf-Reichwein-Str. 2, D-57068 Siegen, Germany
| | - Amit Ghosh
- Center of Micro- and Nanochemistry and (Bio)Technology, Organische Chemie I, Universität Siegen, Adolf-Reichwein-Str. 2, D-57068 Siegen, Germany
| | - Indrajit Paul
- Center of Micro- and Nanochemistry and (Bio)Technology, Organische Chemie I, Universität Siegen, Adolf-Reichwein-Str. 2, D-57068 Siegen, Germany
| | - Michael Schmittel
- Center of Micro- and Nanochemistry and (Bio)Technology, Organische Chemie I, Universität Siegen, Adolf-Reichwein-Str. 2, D-57068 Siegen, Germany
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19
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Frateloreto F, Tavani F, Di Berto Mancini M, Del Giudice D, Capocasa G, Kieffer I, Lanzalunga O, Di Stefano S, D’Angelo P. Following a Silent Metal Ion: A Combined X-ray Absorption and Nuclear Magnetic Resonance Spectroscopic Study of the Zn 2+ Cation Dissipative Translocation between Two Different Ligands. J Phys Chem Lett 2022; 13:5522-5529. [PMID: 35695810 PMCID: PMC9234980 DOI: 10.1021/acs.jpclett.2c01468] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2022] [Accepted: 06/09/2022] [Indexed: 06/15/2023]
Abstract
The dissipative translocation of the Zn2+ ion between two prototypical coordination complexes has been investigated by combining X-ray absorption and 1H NMR spectroscopy. An integrated experimental and theoretical approach, based on state-of-the-art Multivariate Curve Resolution and DFT based theoretical analyses, is presented as a means to understand the concentration time evolution of all relevant Zn and organic species in the investigated processes, and accurately characterize the solution structures of the key metal coordination complexes. Specifically, we investigate the dissipative translocation of the Zn2+ cation from hexaaza-18-crown-6 to two terpyridine moieties and back again to hexaaza-18-crown-6 using 2-cyano-2-phenylpropanoic acid and its para-chloro derivative as fuels. Our interdisciplinary approach has been proven to be a valuable tool to shed light on reactive systems containing metal ions that are silent to other spectroscopic methods. These combined experimental approaches will enable future applications to chemical and biological systems in a predictive manner.
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Affiliation(s)
- Federico Frateloreto
- Dipartimento
di Chimica, Università degli Studi
di Roma “La Sapienza”, P.le A. Moro 5, I-00185 Rome, Italy
| | - Francesco Tavani
- Dipartimento
di Chimica, Università degli Studi
di Roma “La Sapienza”, P.le A. Moro 5, I-00185 Rome, Italy
| | - Marika Di Berto Mancini
- Dipartimento
di Chimica, Università degli Studi
di Roma “La Sapienza”, P.le A. Moro 5, I-00185 Rome, Italy
| | - Daniele Del Giudice
- Dipartimento
di Chimica, Università degli Studi
di Roma “La Sapienza”, P.le A. Moro 5, I-00185 Rome, Italy
| | - Giorgio Capocasa
- Dipartimento
di Chimica, Università degli Studi
di Roma “La Sapienza”, P.le A. Moro 5, I-00185 Rome, Italy
| | - Isabelle Kieffer
- Observatoire
des Sciences de l’Univers de Grenoble (OSUG), Université Grenoble-Alpes, UMR
832 CNRS, Grenoble, Cedex 9 F-38041, France
- BM30/CRG-FAME, ESRF, Polygone scientifique, Grenoble, 38000, France
| | - Osvaldo Lanzalunga
- Dipartimento
di Chimica, Università degli Studi
di Roma “La Sapienza”, P.le A. Moro 5, I-00185 Rome, Italy
| | - Stefano Di Stefano
- Dipartimento
di Chimica, Università degli Studi
di Roma “La Sapienza”, P.le A. Moro 5, I-00185 Rome, Italy
| | - Paola D’Angelo
- Dipartimento
di Chimica, Università degli Studi
di Roma “La Sapienza”, P.le A. Moro 5, I-00185 Rome, Italy
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20
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Olivieri E, Gasch B, Quintard G, Naubron JV, Quintard A. Dissipative Acid-Fueled Reprogrammable Supramolecular Materials. ACS APPLIED MATERIALS & INTERFACES 2022; 14:24720-24728. [PMID: 35580903 DOI: 10.1021/acsami.2c01608] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/15/2023]
Abstract
Smart materials reversibly changing properties in response to a stimuli are promising for a broad array of applications. In this article, we report the use of trichloroacetic acid (TCA) as fuel to create new types of time-controlled materials switching reversibly from a gel to a solution (gel-sol-gel cycle). Applying various neutral amines as organogelators, TCA addition induces amine protonation, switching the system to a solution, while TCA decarboxylation over time enables a return to the initial gel state. Consequently, the newly obtained materials possess interesting time-dependent properties applied in the generation of remoldable objects, as an erasing ink, as chiroptical switches, or for the generation of new types of electrical systems.
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Affiliation(s)
- Enzo Olivieri
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, 13397 Marseille, France
| | - Baptiste Gasch
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, 13397 Marseille, France
| | - Guilhem Quintard
- Université de Lyon, INSA LYON, Ingénierie des Matériaux Polymères IMP-UMR CNRS 5223, F 69621 Villeurbanne, France
| | - Jean-Valère Naubron
- Aix Marseille Univ, CNRS, Centrale Marseille, Spectropole, FR1739 Marseille, France
| | - Adrien Quintard
- Aix Marseille Univ, CNRS, Centrale Marseille, iSm2, 13397 Marseille, France
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21
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Del Giudice D, Frateloreto F, Sappino C, Di Stefano S. Chemical Tools for the Temporal Control of Water Solution pH and Applications in Dissipative Systems. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Daniele Del Giudice
- University of Rome La Sapienza: Universita degli Studi di Roma La Sapienza Chemistry ITALY
| | - Federico Frateloreto
- University of Rome La Sapienza: Universita degli Studi di Roma La Sapienza Chemistry ITALY
| | - Carla Sappino
- University of Rome La Sapienza: Universita degli Studi di Roma La Sapienza Chemistry ITALY
| | - Stefano Di Stefano
- University of Rome La Sapienza: Universita degli Studi di Roma La Sapienza Chemistry Department Piazzale Aldo Moro 5 00185 Rome ITALY
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22
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Del Giudice D, Valentini M, Melchiorre G, Spatola E, Di Stefano S. Dissipative Dynamic Covalent Chemistry (DDCvC) Based on the Transimination Reaction. Chemistry 2022; 28:e202200685. [DOI: 10.1002/chem.202200685] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2022] [Indexed: 11/09/2022]
Affiliation(s)
- Daniele Del Giudice
- Dipartimento di Chimica Università degli Studi di Roma “La Sapienza” P.le A. Moro 5 00185 Rome Italy
| | - Matteo Valentini
- Dipartimento di Chimica Università degli Studi di Roma “La Sapienza” P.le A. Moro 5 00185 Rome Italy
| | - Gabriele Melchiorre
- Dipartimento di Chimica Università degli Studi di Roma “La Sapienza” P.le A. Moro 5 00185 Rome Italy
| | - Emanuele Spatola
- Dipartimento di Chimica Università degli Studi di Roma “La Sapienza” P.le A. Moro 5 00185 Rome Italy
| | - Stefano Di Stefano
- Dipartimento di Chimica Università degli Studi di Roma “La Sapienza” P.le A. Moro 5 00185 Rome Italy
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23
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Transient chirality inversion during racemization of a helical cobalt(III) complex. Proc Natl Acad Sci U S A 2022; 119:e2113237119. [PMID: 35259015 PMCID: PMC8931221 DOI: 10.1073/pnas.2113237119] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
Abstract
SignificanceWe first observed a transient chirality inversion on a simple unimolecular platform during the racemization of a chiral helical complex [LCo3A6]3+, i.e., the helicity changed from P-rich (right-handed) to M-rich (left-handed), which then racemized to a P/M equimolar mixture in spite of the absence of a reagent that could induce the M helix. This transient chirality inversion was observed only in the forward reaction, whereas the reverse reaction showed a simple monotonic change with an induction time. Consequently, the M helicity appeared only in the forward reaction. These forward and reverse reactions constitute a hysteretic cycle. Compounds showing such unique time responses would be useful for developing time-programmable switchable materials that can control the physical/chemical properties in a time-dependent manner.
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24
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Thomas A, Gasch B, Olivieri E, Quintard A. Trichloroacetic acid fueled practical amine purifications. Beilstein J Org Chem 2022; 18:225-231. [PMID: 35280955 PMCID: PMC8895030 DOI: 10.3762/bjoc.18.26] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2021] [Accepted: 02/17/2022] [Indexed: 12/21/2022] Open
Abstract
Amine purification have for long been dominated by tedious stepwise processes involving the generation of large amounts of undesired waste. Inspired by recent work on out of equilibrium molecular machinery, using trichloroacetic acid (TCA), we disclose a purification technique considerably decreasing the number of operations and the waste generation required for such purifications. At first, TCA triggers the precipitation of the amines through their protonated salt formation, enabling the separation with the impurities. From these amine salts, simple decarboxylation of TCA liberates volatile CO2 and chloroform affording directly the pure amines. Through this approach, a broad range of diversely substituted amines could be isolated with success.
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Affiliation(s)
- Aleena Thomas
- Aix-Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille, France
| | - Baptiste Gasch
- Aix-Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille, France
| | - Enzo Olivieri
- Aix-Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille, France
| | - Adrien Quintard
- Aix-Marseille Univ, CNRS, Centrale Marseille, iSm2, Marseille, France
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25
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Rispoli F, Spatola E, Del Giudice D, Cacciapaglia R, Casnati A, Baldini L, Di Stefano S. Temporal Control of the Host-Guest Properties of a Calix[6]arene Receptor by the Use of a Chemical Fuel. J Org Chem 2022; 87:3623-3629. [PMID: 35196018 PMCID: PMC8902750 DOI: 10.1021/acs.joc.2c00050] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
![]()
The host–guest
interaction of a 1,3,5-trisaminocalix[6]arene
receptor with N-methylisoquinolinium trifluoromethanesulfonate
(Kass of 500 ± 30 M–1 in CD2Cl2) can be dissipatively driven by
means of 2-cyano-2-(4′-chloro)phenylpropanoic acid used as
a convenient chemical fuel. When the fuel is added to a dichloromethane
solution containing the above complex, the host is induced to immediately
release the guest in the bulk solution. Consumption of the fuel allows
the guest to be re-uptaken by the host. The operation can be satisfactorily
reiterated with four subsequent additions of fuel, producing four
successive release–reuptake cycles. The percentage of the guest
temporarily released in the bulk solution by the host and the time
required for the reuptake process can be finely regulated by varying
the quantities of added fuel.
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Affiliation(s)
- Francesco Rispoli
- Dipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale, Università degli Studi di Parma, Parco Area delle Scienze 17/A, Parma 43124, Italy
| | - Emanuele Spatola
- Dipartimento di Chimica, Università di Roma La Sapienza and ISB-CNR Sede Secondaria di Roma - Meccanismi di Reazione, P.le A. Moro 5, Roma I-00185, Italy
| | - Daniele Del Giudice
- Dipartimento di Chimica, Università di Roma La Sapienza and ISB-CNR Sede Secondaria di Roma - Meccanismi di Reazione, P.le A. Moro 5, Roma I-00185, Italy
| | - Roberta Cacciapaglia
- Dipartimento di Chimica, Università di Roma La Sapienza and ISB-CNR Sede Secondaria di Roma - Meccanismi di Reazione, P.le A. Moro 5, Roma I-00185, Italy
| | - Alessandro Casnati
- Dipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale, Università degli Studi di Parma, Parco Area delle Scienze 17/A, Parma 43124, Italy
| | - Laura Baldini
- Dipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale, Università degli Studi di Parma, Parco Area delle Scienze 17/A, Parma 43124, Italy
| | - Stefano Di Stefano
- Dipartimento di Chimica, Università di Roma La Sapienza and ISB-CNR Sede Secondaria di Roma - Meccanismi di Reazione, P.le A. Moro 5, Roma I-00185, Italy
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26
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Spatola E, Rispoli F, Del Giudice D, Cacciapaglia R, Casnati A, Marchiò L, Baldini L, Di Stefano S. Dissipative control of the fluorescence of a 1,3-dipyrenyl calix[4]arene in the cone conformation. Org Biomol Chem 2021; 20:132-138. [PMID: 34816861 DOI: 10.1039/d1ob02096j] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The temporal control (ON/OFF/ON) of the fluorescence of a dichloromethane/acetonitrile 1 : 1 solution of calixarene 3 decorated with two pyrenyl moieties at the upper rim is attained by the addition of CCl3CO2H used as a convenient chemical fuel.
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Affiliation(s)
- Emanuele Spatola
- Dipartimento di Chimica Università di Roma La Sapienza and ISB-CNR Sede Secondaria di Roma - Meccanismi di Reazione, P.le A. Moro 5, I-00185 Roma, Italy.
| | - Francesco Rispoli
- Dipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale, Università degli Studi di Parma, Parco Area delle Scienze 17/A, 43124 Parma, Italy.
| | - Daniele Del Giudice
- Dipartimento di Chimica Università di Roma La Sapienza and ISB-CNR Sede Secondaria di Roma - Meccanismi di Reazione, P.le A. Moro 5, I-00185 Roma, Italy.
| | - Roberta Cacciapaglia
- Dipartimento di Chimica Università di Roma La Sapienza and ISB-CNR Sede Secondaria di Roma - Meccanismi di Reazione, P.le A. Moro 5, I-00185 Roma, Italy.
| | - Alessandro Casnati
- Dipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale, Università degli Studi di Parma, Parco Area delle Scienze 17/A, 43124 Parma, Italy.
| | - Luciano Marchiò
- Dipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale, Università degli Studi di Parma, Parco Area delle Scienze 17/A, 43124 Parma, Italy.
| | - Laura Baldini
- Dipartimento di Scienze Chimiche, della Vita e della Sostenibilità Ambientale, Università degli Studi di Parma, Parco Area delle Scienze 17/A, 43124 Parma, Italy.
| | - Stefano Di Stefano
- Dipartimento di Chimica Università di Roma La Sapienza and ISB-CNR Sede Secondaria di Roma - Meccanismi di Reazione, P.le A. Moro 5, I-00185 Roma, Italy.
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27
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Mondal D, Ghosh A, Paul I, Schmittel M. Fuel Acid Drives Base Catalysis and Supramolecular Cage-to-Device Transformation under Dissipative Conditions. Org Lett 2021; 24:69-73. [PMID: 34913702 DOI: 10.1021/acs.orglett.1c03654] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023]
Abstract
In State-I, a mixture comprising a DABCO-bridged tris(zinc-porphyrin) double decker and a free biped (=slider), catalysis was OFF. Acid addition (TFA or Di-Stefano fuel acid) to State-I liberated DABCO-H+ while generating a highly dynamic slider-on-deck device (State-II). The released DABCO-H+ acted as a base organocatalyst for a Knoevenagel reaction (catalysis ON). The system was reversed to State-I (catalysis OFF) by reducing the acidity in the system (by adding DBU or via the fuel-derived base).
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Affiliation(s)
- Debabrata Mondal
- Center of Micro- and Nanochemistry and (Bio)Technology (Cμ), Organische Chemie I, Adolf-Reichwein-Str. 2, D-57068 Siegen, Germany
| | - Amit Ghosh
- Center of Micro- and Nanochemistry and (Bio)Technology (Cμ), Organische Chemie I, Adolf-Reichwein-Str. 2, D-57068 Siegen, Germany
| | - Indrajit Paul
- Center of Micro- and Nanochemistry and (Bio)Technology (Cμ), Organische Chemie I, Adolf-Reichwein-Str. 2, D-57068 Siegen, Germany
| | - Michael Schmittel
- Center of Micro- and Nanochemistry and (Bio)Technology (Cμ), Organische Chemie I, Adolf-Reichwein-Str. 2, D-57068 Siegen, Germany
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28
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Del Giudice D, Tavani F, Di Berto Mancini M, Frateloreto F, Busato M, Oliveira De Souza D, Cenesi F, Lanzalunga O, Di Stefano S, D'Angelo P. Two Faces of the Same Coin: Coupling X-Ray Absorption and NMR Spectroscopies to Investigate the Exchange Reaction Between Prototypical Cu Coordination Complexes. Chemistry 2021; 28:e202103825. [PMID: 34850474 DOI: 10.1002/chem.202103825] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/23/2021] [Indexed: 12/21/2022]
Abstract
The satisfactory rationalization of complex reactive pathways in solution chemistry may greatly benefit from the combined use of advanced experimental and theoretical complementary methods of analysis. In this work, we combine X-Ray Absorption and 1 H NMR spectroscopies with state-of-the-art Multivariate Curve Resolution and theoretical analyses to gain a comprehensive view on a prototypical reaction involving the variation of the oxidation state and local structure environment of a selected metal ion coordinated by organic ligands. Specifically, we investigate the 2-cyano-2-phenylpropanoic acid reduction of the octahedral complex established by the Cu2+ ion with terpyridine to the tetrahedral complex formed by Cu+ and neocuproine. Through our interdisciplinary approach we gain insights into the nature, concentration time evolution and structures of the key metal (XAS measurements) and organic (1 H NMR measurements) species under reaction. We believe our method may prove to be useful in the toolbox necessary to understand the mechanisms of reactive processes of interest in solution.
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Affiliation(s)
- Daniele Del Giudice
- Dipartimento di Chimica, Università degli Studi di Roma "La Sapienza", P.le A. Moro 5, I-00185, Rome, Italy
| | - Francesco Tavani
- Dipartimento di Chimica, Università degli Studi di Roma "La Sapienza", P.le A. Moro 5, I-00185, Rome, Italy
| | - Marika Di Berto Mancini
- Dipartimento di Chimica, Università degli Studi di Roma "La Sapienza", P.le A. Moro 5, I-00185, Rome, Italy
| | - Federico Frateloreto
- Dipartimento di Chimica, Università degli Studi di Roma "La Sapienza", P.le A. Moro 5, I-00185, Rome, Italy
| | - Matteo Busato
- Dipartimento di Chimica, Università degli Studi di Roma "La Sapienza", P.le A. Moro 5, I-00185, Rome, Italy
| | - Danilo Oliveira De Souza
- Elettra-Sincrotrone Trieste, Strada Statale 14, km 163.5 in AREA Science Park, 34149 Basovizza, Trieste, Italy
| | - Flavia Cenesi
- Dipartimento di Chimica, Università degli Studi di Roma "La Sapienza", P.le A. Moro 5, I-00185, Rome, Italy
| | - Osvaldo Lanzalunga
- Dipartimento di Chimica, Università degli Studi di Roma "La Sapienza", P.le A. Moro 5, I-00185, Rome, Italy
| | - Stefano Di Stefano
- Dipartimento di Chimica, Università degli Studi di Roma "La Sapienza", P.le A. Moro 5, I-00185, Rome, Italy
| | - Paola D'Angelo
- Dipartimento di Chimica, Università degli Studi di Roma "La Sapienza", P.le A. Moro 5, I-00185, Rome, Italy
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Borodin O, Shchukin Y, Robertson CC, Richter S, von Delius M. Self-Assembly of Stimuli-Responsive [2]Rotaxanes by Amidinium Exchange. J Am Chem Soc 2021; 143:16448-16457. [PMID: 34559523 PMCID: PMC8517971 DOI: 10.1021/jacs.1c05230] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
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Advances in supramolecular
chemistry are often underpinned by the
development of fundamental building blocks and methods enabling their
interconversion. In this work, we report the use of an underexplored
dynamic covalent reaction for the synthesis of stimuli-responsive
[2]rotaxanes. The formamidinium moiety lies at the heart of these
mechanically interlocked architectures, because it enables both dynamic
covalent exchange and the binding of simple crown ethers. We demonstrated
that the rotaxane self-assembly follows a unique reaction pathway
and that the complex interplay between crown ether and thread can
be controlled in a transient fashion by addition of base and fuel
acid. Dynamic combinatorial libraries, when exposed to diverse nucleophiles,
revealed a profound stabilizing effect of the mechanical bond as well
as intriguing reactivity differences between seemingly similar [2]rotaxanes.
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Affiliation(s)
- Oleg Borodin
- Institute of Organic Chemistry, Ulm University, Albert-Einstein-Allee 11, 89081 Ulm, Germany
| | - Yevhenii Shchukin
- Institute of Organic Chemistry, Ulm University, Albert-Einstein-Allee 11, 89081 Ulm, Germany
| | - Craig C Robertson
- Department of Chemistry, University of Sheffield, Brook Hill, Sheffield S3 7HF, U.K
| | - Stefan Richter
- Institute of Organic Chemistry, Ulm University, Albert-Einstein-Allee 11, 89081 Ulm, Germany
| | - Max von Delius
- Institute of Organic Chemistry, Ulm University, Albert-Einstein-Allee 11, 89081 Ulm, Germany
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30
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Mariottini D, Del Giudice D, Ercolani G, Di Stefano S, Ricci F. Dissipative operation of pH-responsive DNA-based nanodevices. Chem Sci 2021; 12:11735-11739. [PMID: 34659709 PMCID: PMC8442697 DOI: 10.1039/d1sc03435a] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2021] [Accepted: 07/16/2021] [Indexed: 12/18/2022] Open
Abstract
We demonstrate here the use of 2-(4-chlorophenyl)-2-cyanopropanoic acid (CPA) and nitroacetic acid (NAA) as convenient chemical fuels to drive the dissipative operation of DNA-based nanodevices. Addition of either of the fuel acids to a water solution initially causes a rapid transient pH decrease, which is then followed by a slower pH increase. We have employed such low-to-high pH cycles to control in a dissipative way the operation of two model DNA-based nanodevices: a DNA nanoswitch undergoing time-programmable open–close–open cycles of motion, and a DNA-based receptor able to release-uptake a DNA cargo strand. The kinetics of the transient operation of both systems can be easily modulated by varying the concentration of the acid fuel added to the solution and both acid fuels show an efficient reversibility which further supports their versatility. We demonstrate here the use of 2-(4-chlorophenyl)-2-cyanopropanoic acid (CPA) and nitroacetic acid (NAA) as convenient chemical fuels to drive the dissipative operation of DNA-based nanodevices.![]()
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Affiliation(s)
- Davide Mariottini
- Dipartimento di Scienze e Tecnologie Chimiche, Università di Roma Tor Vergata Via della Ricerca Scientifica 00133 Roma Italy
| | - Daniele Del Giudice
- Dipartimento di Chimica, Università di Roma La Sapienza, ISB-CNR Sede Secondaria di Roma-Meccanismi di Reazione P.le A. Moro 5 00185 Roma Italy
| | - Gianfranco Ercolani
- Dipartimento di Scienze e Tecnologie Chimiche, Università di Roma Tor Vergata Via della Ricerca Scientifica 00133 Roma Italy
| | - Stefano Di Stefano
- Dipartimento di Chimica, Università di Roma La Sapienza, ISB-CNR Sede Secondaria di Roma-Meccanismi di Reazione P.le A. Moro 5 00185 Roma Italy
| | - Francesco Ricci
- Dipartimento di Scienze e Tecnologie Chimiche, Università di Roma Tor Vergata Via della Ricerca Scientifica 00133 Roma Italy
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