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Rivero DS, Pérez-Pérez Y, Perretti MD, Santos T, Scoccia J, Tejedor D, Carrillo R. Kinetic Control of Complexity in Multiple Dynamic Libraries. Angew Chem Int Ed Engl 2024; 63:e202406654. [PMID: 38660925 DOI: 10.1002/anie.202406654] [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: 04/08/2024] [Revised: 04/22/2024] [Accepted: 04/24/2024] [Indexed: 04/26/2024]
Abstract
Multiple dynamic libraries of compounds are generated when more than one reversible reaction comes into play. Commonly, two or more orthogonal reversible reactions are used, leading to non-communicating dynamic libraries which share no building blocks. Only a few examples of communicating libraries have been reported, and in all those cases, building blocks are reversibly exchanged from one library to the other, constituting an antiparallel dynamic covalent system. Herein we report that communication between two different dynamic libraries through an irreversible process is also possible. Indeed, alkyl amines cancel the dynamic regime on the nucleophilic substitution of tetrazines, generating kinetically inert compounds. Interestingly, such amine can be part of another dynamic library, an imine-amine exchange. Thus, both libraries are interconnected with each other by an irreversible process which leads to kinetically inert structures that contain parts from both libraries, causing a collapse of the complexity. Additionally, a latent irreversible intercommunication could be developed. In such a way, a stable molecular system with specific host-guest and fluorescence properties, could be irreversibly transformed when the right stimulus was applied, triggering the cancellation of the original supramolecular and luminescent properties and the emergence of new ones.
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Affiliation(s)
- David S Rivero
- Instituto de Productos Naturales y Agrobiología (IPNA-CSIC), Avda. Astrofísico Fco. Sánchez 3, 38206, La Laguna, Spain
| | - Yaiza Pérez-Pérez
- Instituto de Productos Naturales y Agrobiología (IPNA-CSIC), Avda. Astrofísico Fco. Sánchez 3, 38206, La Laguna, Spain
| | - Marcelle D Perretti
- Instituto de Productos Naturales y Agrobiología (IPNA-CSIC), Avda. Astrofísico Fco. Sánchez 3, 38206, La Laguna, Spain
| | - Tanausú Santos
- Departamento de Química, Centro de Investigación en Síntesis Química, Universidad de La Rioja, 26006, Logroño, Spain
| | - Jimena Scoccia
- Instituto de Productos Naturales y Agrobiología (IPNA-CSIC), Avda. Astrofísico Fco. Sánchez 3, 38206, La Laguna, Spain
| | - David Tejedor
- Instituto de Productos Naturales y Agrobiología (IPNA-CSIC), Avda. Astrofísico Fco. Sánchez 3, 38206, La Laguna, Spain
| | - Romen Carrillo
- Instituto de Productos Naturales y Agrobiología (IPNA-CSIC), Avda. Astrofísico Fco. Sánchez 3, 38206, La Laguna, Spain
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2
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Upadhyay C, Ojha U. Carbohydrate-Based Reprocessable and Healable Covalent Adaptable Biofoams. Macromol Rapid Commun 2024:e2400239. [PMID: 38794989 DOI: 10.1002/marc.202400239] [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: 04/16/2024] [Revised: 05/20/2024] [Indexed: 05/27/2024]
Abstract
Polymeric foams derived from bio-based resources and capable of self-healing and recycling ability are of great demand to fulfill various applications and address environmental concerns related to accumulation of plastic wastes. In this article, a set of polyester-based covalent adaptable biofoams (CABs) synthesized from carbohydrates and other bio-derived precursors under catalyst free conditions to offer a sustainable alternative to conventional toxic isocyanate-based polyurethane foams is reported. The dynamic β-keto carboxylate linkages present in these biofoams impart self-healing ability and recyclability to these samples. These CABs display adequate tensile properties especially compressive strength (≤123 MPa) and hysteresis behavior. The CABs swiftly stress relax at 150 °C and are reprocessable under similar temperature conditions. These biofoams have displayed potential for use as attachment on solar photovoltaics to augment the output efficiency. These CABs with limited swellability in polar protic solvents and adequate mechanical resilience are suitable for other commodity applications.
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Affiliation(s)
- Chandan Upadhyay
- Department of Sciences & Humanities, Rajiv Gandhi Institute of Petroleum Technology, Jais, Amethi, Uttar Pradesh, 229304, India
| | - Umaprasana Ojha
- Department of Sciences & Humanities, Rajiv Gandhi Institute of Petroleum Technology, Jais, Amethi, Uttar Pradesh, 229304, India
- School of Basic Sciences, Indian Institute of Technology Bhubaneswar, Jatni, Khordha, Odisha, 752050, India
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3
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Chetot T, Marocco Stuardi F, Forot A, Ducreux M, Baudouin A, Chefdeville E, Perret F, Vial L, Leclaire J. Switching between Nonisoenergetic Dynamic Covalent Reactions Using Host-Guest Chemistry. J Am Chem Soc 2024; 146:13580-13587. [PMID: 38687470 DOI: 10.1021/jacs.4c03400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/02/2024]
Abstract
CO2 reacts with simple amines in the presence of water to generate dynamic combinatorial libraries of majority (i.e., ammonium carbamates) and minority (i.e., ammonium carbonates) nonisoenergetic covalent adducts. Over the past two decades, our laboratory has reported on a new class of cavitands, namely, dyn[n]arenes, from which a polyanionic macrocycle is a highly efficient receptor for linear polyammoniums that forms [2]pseudorotaxanes in water at neutral pH. Herein, we demonstrate that the formation of [2]pseudorotaxanes shifts the equilibrium of CO2 capture by polyamines in water toward the quasi-exclusive formation of carbonate adducts, providing the first example of a switch between two competitive and reversible covalent processes triggered by host-guest interactions. In addition, this supramolecular approach to CO2 capture exhibits enhanced capture efficiency by increasing the state of protonation of complexed vs uncomplexed polyamines. Altogether, we report here that a templating approach can divert the outcome of two reversible covalent chemistries involving nucleophilic additions and acid-base reactions, challenging therefore the common knowledge that noncovalent and covalent bonds operate in separate energy frames.
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Affiliation(s)
- Titouan Chetot
- CNRS, Université Claude Bernard Lyon 1, ICBMS UMR5246, F-69622 Villeurbanne, France
| | | | - Adrien Forot
- CNRS, Université Claude Bernard Lyon 1, ICBMS UMR5246, F-69622 Villeurbanne, France
| | - Maxime Ducreux
- CNRS, Université Claude Bernard Lyon 1, ICBMS UMR5246, F-69622 Villeurbanne, France
| | - Anne Baudouin
- Université Claude Bernard Lyon 1, CCRMN, F-69622 Villeurbanne, France
| | | | - Florent Perret
- CNRS, Université Claude Bernard Lyon 1, ICBMS UMR5246, F-69622 Villeurbanne, France
| | - Laurent Vial
- CNRS, Université Claude Bernard Lyon 1, ICBMS UMR5246, F-69622 Villeurbanne, France
| | - Julien Leclaire
- CNRS, Université Claude Bernard Lyon 1, ICBMS UMR5246, F-69622 Villeurbanne, France
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4
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Kruczkowska W, Gałęziewska J, Grabowska K, Liese G, Buczek P, Kłosiński KK, Kciuk M, Pasieka Z, Kałuzińska-Kołat Ż, Kołat D. Biomedical Trends in Stimuli-Responsive Hydrogels with Emphasis on Chitosan-Based Formulations. Gels 2024; 10:295. [PMID: 38786212 PMCID: PMC11121652 DOI: 10.3390/gels10050295] [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: 03/21/2024] [Revised: 04/13/2024] [Accepted: 04/23/2024] [Indexed: 05/25/2024] Open
Abstract
Biomedicine is constantly evolving to ensure a significant and positive impact on healthcare, which has resulted in innovative and distinct requisites such as hydrogels. Chitosan-based formulations stand out for their versatile utilization in drug encapsulation, transport, and controlled release, which is complemented by their biocompatibility, biodegradability, and non-immunogenic nature. Stimuli-responsive hydrogels, also known as smart hydrogels, have strictly regulated release patterns since they respond and adapt based on various external stimuli. Moreover, they can imitate the intrinsic tissues' mechanical, biological, and physicochemical properties. These characteristics allow stimuli-responsive hydrogels to provide cutting-edge, effective, and safe treatment. Constant progress in the field necessitates an up-to-date summary of current trends and breakthroughs in the biomedical application of stimuli-responsive chitosan-based hydrogels, which was the aim of this review. General data about hydrogels sensitive to ions, pH, redox potential, light, electric field, temperature, and magnetic field are recapitulated. Additionally, formulations responsive to multiple stimuli are mentioned. Focusing on chitosan-based smart hydrogels, their multifaceted utilization was thoroughly described. The vast application spectrum encompasses neurological disorders, tumors, wound healing, and dermal infections. Available data on smart chitosan hydrogels strongly support the idea that current approaches and developing novel solutions are worth improving. The present paper constitutes a valuable resource for researchers and practitioners in the currently evolving field.
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Affiliation(s)
- Weronika Kruczkowska
- Department of Biomedicine and Experimental Surgery, Faculty of Medicine, Medical University of Lodz, Narutowicza 60, 90-136 Lodz, Poland; (W.K.); (J.G.); (K.G.); (G.L.); (P.B.); (K.K.K.); (Z.P.); (Ż.K.-K.)
| | - Julia Gałęziewska
- Department of Biomedicine and Experimental Surgery, Faculty of Medicine, Medical University of Lodz, Narutowicza 60, 90-136 Lodz, Poland; (W.K.); (J.G.); (K.G.); (G.L.); (P.B.); (K.K.K.); (Z.P.); (Ż.K.-K.)
| | - Katarzyna Grabowska
- Department of Biomedicine and Experimental Surgery, Faculty of Medicine, Medical University of Lodz, Narutowicza 60, 90-136 Lodz, Poland; (W.K.); (J.G.); (K.G.); (G.L.); (P.B.); (K.K.K.); (Z.P.); (Ż.K.-K.)
| | - Gabriela Liese
- Department of Biomedicine and Experimental Surgery, Faculty of Medicine, Medical University of Lodz, Narutowicza 60, 90-136 Lodz, Poland; (W.K.); (J.G.); (K.G.); (G.L.); (P.B.); (K.K.K.); (Z.P.); (Ż.K.-K.)
| | - Paulina Buczek
- Department of Biomedicine and Experimental Surgery, Faculty of Medicine, Medical University of Lodz, Narutowicza 60, 90-136 Lodz, Poland; (W.K.); (J.G.); (K.G.); (G.L.); (P.B.); (K.K.K.); (Z.P.); (Ż.K.-K.)
| | - Karol Kamil Kłosiński
- Department of Biomedicine and Experimental Surgery, Faculty of Medicine, Medical University of Lodz, Narutowicza 60, 90-136 Lodz, Poland; (W.K.); (J.G.); (K.G.); (G.L.); (P.B.); (K.K.K.); (Z.P.); (Ż.K.-K.)
| | - Mateusz Kciuk
- Department of Molecular Biotechnology and Genetics, University of Lodz, Banacha 12/16, 90-237 Lodz, Poland;
| | - Zbigniew Pasieka
- Department of Biomedicine and Experimental Surgery, Faculty of Medicine, Medical University of Lodz, Narutowicza 60, 90-136 Lodz, Poland; (W.K.); (J.G.); (K.G.); (G.L.); (P.B.); (K.K.K.); (Z.P.); (Ż.K.-K.)
| | - Żaneta Kałuzińska-Kołat
- Department of Biomedicine and Experimental Surgery, Faculty of Medicine, Medical University of Lodz, Narutowicza 60, 90-136 Lodz, Poland; (W.K.); (J.G.); (K.G.); (G.L.); (P.B.); (K.K.K.); (Z.P.); (Ż.K.-K.)
- Department of Functional Genomics, Faculty of Medicine, Medical University of Lodz, Zeligowskiego 7/9, 90-752 Lodz, Poland
| | - Damian Kołat
- Department of Biomedicine and Experimental Surgery, Faculty of Medicine, Medical University of Lodz, Narutowicza 60, 90-136 Lodz, Poland; (W.K.); (J.G.); (K.G.); (G.L.); (P.B.); (K.K.K.); (Z.P.); (Ż.K.-K.)
- Department of Functional Genomics, Faculty of Medicine, Medical University of Lodz, Zeligowskiego 7/9, 90-752 Lodz, Poland
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Nath D, Ralhan J, Joseph JP, Miglani C, Pal A. Thermoresponsive Injectable Hydrogel To Mimic the Heat- and Strain-Stiffening Behavior of Biopolymers toward Muscle Cell Proliferation. Biomacromolecules 2024; 25:853-863. [PMID: 38214450 DOI: 10.1021/acs.biomac.3c01018] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2024]
Abstract
Injectable hydrogels with nonlinear mechanical attributes to emulate natural biopolymers hold paramount significance in tissue engineering, offering the potential to create scaffolds that seamlessly mimic the biomechanical intricacies of living tissues. Herein, we unveil a synthetic design strategy employing Schiff base chemistry to furnish a peptide-polymer hierarchical contractile injectable hydrogel network. This innovative design demonstrates cross-linking of supramolecular peptide nanostructures such as nanofibers, 1NF, and twisted bundles, 1TB, with a thermosensitive aldehyde-functionalized polymer, PCHO. These networks exhibit interesting nonlinear mechanical stiffening responses to temperature and external stress. Furthermore, the hydrogels transform into a gel state at physiological temperature to exhibit injectable behavior and demonstrate compression load-bearing capabilities. Finally, the hydrogel network exhibits excellent biocompatibility and cell proliferation toward fibroblast, L929, and myoblast, C2C12, to validate their use as potential extracellular matrix mimetic injectable scaffolds.
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Affiliation(s)
- Debasish Nath
- Chemical Biology Unit, Institute of Nano Science and Technology, Knowledge City, Sector-81, Mohali 140306, Punjab, India
| | - Jahanvi Ralhan
- Chemical Biology Unit, Institute of Nano Science and Technology, Knowledge City, Sector-81, Mohali 140306, Punjab, India
| | - Jojo P Joseph
- Chemical Biology Unit, Institute of Nano Science and Technology, Knowledge City, Sector-81, Mohali 140306, Punjab, India
| | - Chirag Miglani
- Chemical Biology Unit, Institute of Nano Science and Technology, Knowledge City, Sector-81, Mohali 140306, Punjab, India
| | - Asish Pal
- Chemical Biology Unit, Institute of Nano Science and Technology, Knowledge City, Sector-81, Mohali 140306, Punjab, India
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6
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Cougnon FBL, Stefankiewicz AR, Ulrich S. Dynamic covalent synthesis. Chem Sci 2024; 15:879-895. [PMID: 38239698 PMCID: PMC10793650 DOI: 10.1039/d3sc05343a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Accepted: 12/10/2023] [Indexed: 01/22/2024] Open
Abstract
Dynamic covalent synthesis aims to precisely control the assembly of simple building blocks linked by reversible covalent bonds to generate a single, structurally complex, product. In recent years, considerable progress in the programmability of dynamic covalent systems has enabled easy access to a broad range of assemblies, including macrocycles, shape-persistent cages, unconventional foldamers and mechanically-interlocked species (catenanes, knots, etc.). The reversibility of the covalent linkages can be either switched off to yield stable, isolable products or activated by specific physico-chemical stimuli, allowing the assemblies to adapt and respond to environmental changes in a controlled manner. This activatable dynamic property makes dynamic covalent assemblies particularly attractive for the design of complex matter, smart chemical systems, out-of-equilibrium systems, and molecular devices.
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Affiliation(s)
- Fabien B L Cougnon
- Department of Chemistry and Nanoscience Centre, University of Jyväskylä Jyväskylä Finland
| | - Artur R Stefankiewicz
- Centre for Advanced Technology and Faculty of Chemistry, Adam Mickiewicz University Poznań Poland
| | - Sébastien Ulrich
- Institut des Biomolécules Max Mousseron (IBMM), Université de Montpellier, CNRS, ENSCM Montpellier France
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7
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Javid H, Oryani MA, Rezagholinejad N, Esparham A, Tajaldini M, Karimi‐Shahri M. RGD peptide in cancer targeting: Benefits, challenges, solutions, and possible integrin-RGD interactions. Cancer Med 2024; 13:e6800. [PMID: 38349028 PMCID: PMC10832341 DOI: 10.1002/cam4.6800] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2023] [Revised: 11/06/2023] [Accepted: 11/27/2023] [Indexed: 02/15/2024] Open
Abstract
RGD peptide can be found in cell adhesion and signaling proteins, such as fibronectin, vitronectin, and fibrinogen. RGD peptides' principal function is to facilitate cell adhesion by interacting with integrin receptors on the cell surface. They have been intensively researched for use in biotechnology and medicine, including incorporation into biomaterials, conjugation to medicinal molecules or nanoparticles, and labeling with imaging agents. RGD peptides can be utilized to specifically target cancer cells and the tumor vasculature by engaging with these integrins, improving drug delivery efficiency and minimizing adverse effects on healthy tissues. RGD-functionalized drug carriers are a viable option for cancer therapy as this focused approach has demonstrated promise in the future. Writing a review on the RGD peptide can significantly influence how drugs are developed in the future by improving our understanding of the peptide, finding knowledge gaps, fostering innovation, and making drug design easier.
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Affiliation(s)
- Hossein Javid
- Department of Medical Laboratory SciencesVarastegan Institute for Medical SciencesMashhadIran
- Department of Clinical Biochemistry, Faculty of MedicineMashhad University of Medical SciencesMashhadIran
- Surgical Oncology Research CenterMashhad University of Medical SciencesMashhadIran
| | - Mahsa Akbari Oryani
- Department of Pathology, School of MedicineMashhad University of Medical SciencesMashhadIran
| | | | - Ali Esparham
- Student Research Committee, Faculty of MedicineMashhad University of Medical SciencesMashhadIran
| | - Mahboubeh Tajaldini
- Ischemic Disorder Research CenterGolestan University of Medical SciencesGorganIran
| | - Mehdi Karimi‐Shahri
- Department of Pathology, School of MedicineMashhad University of Medical SciencesMashhadIran
- Department of Pathology, School of MedicineGonabad University of Medical SciencesGonabadIran
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8
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Ghosh A, Mandal J, Dubey SK, Padma S, Ghosh NN, Behera A, Hafiz SA, Ruidas P, Midya R, Roy D, Das D, Das S, Singh S, Bhattacharyya S, Mukherjee S, Bhattacharjee S. Concentration- and Solvent-Induced Chiral Tuning by Manipulating Non-Proteinogenic Amino Acids in Glycoconjugate Supra-Scaffolds: Interaction with Protein, and Streptomycin Delivery. Chemistry 2023; 29:e202302529. [PMID: 37846644 DOI: 10.1002/chem.202302529] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2023] [Revised: 10/03/2023] [Accepted: 10/16/2023] [Indexed: 10/18/2023]
Abstract
We showed solvent- and concentration-triggered chiral tuning of the fibrous assemblies of two novel glycoconjugates Z-P(Gly)-Glu and Z-F(4-N)-Glu made by chemical attachment of Cbz-protected [short as Z)] non-proteinogenic amino acids L-phenylglycine [short as P(Gly)] and 4-Nitro-L-phenylalanine [short as F(4-N)] with D-glucosamine [short as Glu]. Both biomimetic gelators can form self-healing and shape-persistent gels with a very low critical gelator concentration in water as well as in various organic solvents, indicating they are ambidextrous supergelators. Detailed spectroscopic studies suggested β-sheet secondary structure formation during anisotropic self-aggregation of the gelators which resulted in the formation of hierarchical left-handed helical fibers in acetone with an interlayer spacing of 2.4 nm. After the physical characterization of the gels, serum protein interaction with the gelators was assessed, indicating they may be ideal for biomedical applications. Further, both gelators are benign, non-immunogenic, non-allergenic, and non-toxic in nature, which was confirmed by performing the blood parameters and liver function tests on Wister rats. Streptomycin-loaded hydrogels showed efficacious antibacterial activity in vitro and in vivo as well. Finally, cell attachment and biocompatibility of the hydrogels were demonstrated which opens a newer avenue for promising biomedical and therapeutic applications.
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Affiliation(s)
- Angshuman Ghosh
- Department of Chemistry, Kazi Nazrul University, Asansol, 713340, West Bengal, India
| | - Jishu Mandal
- CIF Biophysical Laboratory, CSIR-Indian Institute of Chemical Biology Jadavpur, Kolkata, 700032, West Bengal, India
| | - Soumen Kumar Dubey
- Department of Chemistry, Kazi Nazrul University, Asansol, 713340, West Bengal, India
| | - Somrita Padma
- Department of Animal Science, Kazi Nazrul University, Asansol, 713340, West Bengal, India
| | | | - Ashok Behera
- Faculty of Pharmacy, DIT University, Makkawala, Dehradun, Uttarakhand, India
| | - Sk Abdul Hafiz
- Department of Chemistry, Kazi Nazrul University, Asansol, 713340, West Bengal, India
| | - Pradip Ruidas
- Department of Chemistry, Kazi Nazrul University, Asansol, 713340, West Bengal, India
| | - Ramkrishna Midya
- Department of Chemistry, Kazi Nazrul University, Asansol, 713340, West Bengal, India
| | - Dipanwita Roy
- Department of Chemistry, Kazi Nazrul University, Asansol, 713340, West Bengal, India
| | - Dona Das
- Department of Zoology, Sidho Kanho Birsha University, Purulia, 723104, West Bengal, India
| | - Surajit Das
- School of Applied & Interdisciplinary Sciences, Indian Association for the Cultivation of Science, 2A & 2B, Raja Subodh Chandra Mallick Rd, Jadavpur, Kolkata, 700032, West Bengal, India
| | - Somendra Singh
- Indian Institute of Technology, Delhi, Sonipat Campus, Sonipat, 131021, Haryana, India
| | - Sankar Bhattacharyya
- Department of Zoology, Sidho Kanho Birsha University, Purulia, 723104, West Bengal, India
| | - Suprabhat Mukherjee
- Department of Animal Science, Kazi Nazrul University, Asansol, 713340, West Bengal, India
| | - Subham Bhattacharjee
- Department of Chemistry, Kazi Nazrul University, Asansol, 713340, West Bengal, India
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9
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You L. Dual reactivity based dynamic covalent chemistry: mechanisms and applications. Chem Commun (Camb) 2023; 59:12943-12958. [PMID: 37772969 DOI: 10.1039/d3cc04022d] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/30/2023]
Abstract
Dynamic covalent chemistry (DCC) focuses on the reversible formation, breakage, and exchange of covalent bonds and assemblies, setting a bridge between irreversible organic synthesis and supramolecular chemistry and finding wide utility. In order to enhance structural and functional diversity and complexity, different types of dynamic covalent reactions (DCRs) are placed in one vessel, encompassing orthogonal DCC without crosstalk and communicating DCC with a shared reactive functional group. As a means of adding tautomers, widespread in chemistry, to interconnected DCRs and combining the features of orthogonal and communicating DCRs, a concept of dual reactivity based DCC and underlying structural and mechanistic insights are summarized. The manipulation of the distinct reactivity of structurally diverse ring-chain tautomers allows selective activation and switching of reaction pathways and corresponding DCRs (C-N, C-O, and C-S) and assemblies. The coupling with photoswitches further enables light-mediated formation and scission of multiple types of reversible covalent bonds. To showcase the capability of dual reactivity based DCC, the versatile applications in dynamic polymers and luminescent materials are presented, paving the way for future functionalization studies.
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Affiliation(s)
- Lei You
- State Key Laboratory of Structural Chemistry, Fujian Institute of Research on the Structure of Matter, Chinese Academy of Sciences, Fuzhou 350002, China.
- University of Chinese Academy of Sciences, Beijing 100049, China
- Fujian Science & Technology Innovation Laboratory for Optoelectronic Information of China, Fuzhou 350108, China
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