51
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Vogel J, Chen Y, Fadler RE, Flood AH, von Delius M. Steric Control over the Threading of Pyrophosphonates with One or Two Cyanostar Macrocycles during Pseudorotaxane Formation. Chemistry 2023; 29:e202300899. [PMID: 37156722 PMCID: PMC10655069 DOI: 10.1002/chem.202300899] [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: 03/21/2023] [Revised: 05/01/2023] [Accepted: 05/08/2023] [Indexed: 05/10/2023]
Abstract
The supramolecular recognition of anions is increasingly harnessed to achieve the self-assembly of supramolecular architectures, ranging from cages and polymers to (pseudo)rotaxanes. The cyanostar (CS) macrocycle has previously been shown to form 2 : 1 complexes with organophosphate anions that can be turned into [3]rotaxanes by stoppering. Here we achieved steric control over the assembly of pseudorotaxanes comprising the cyanostar macrocycle and a thread that is based, for the first time, on organo-pyrophosphonates. Subtle differences in steric bulk on the threads allowed formation of either [3]pseudorotaxanes or [2]pseudorotaxanes. We demonstrate that the threading kinetics are governed by the steric demand of the organo-pyrophosphonates and in one case, slows down to the timescale of minutes. Calculations show that the dianions are sterically offset inside the macrocycles. Our findings broaden the scope of cyanostar-anion assemblies and may have relevance for the design of molecular machines whose directionality is a result of relatively slow slipping.
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Affiliation(s)
- Julian Vogel
- Institute of Organic Chemistry, Ulm University, Albert-Einstein-Allee 11, 89081, Ulm, Germany
| | - Yusheng Chen
- Department of Chemistry, Indiana University, 800 E. Kirkwood Avenue, Bloomington, IN, 47405, USA
| | - Rachel E Fadler
- Department of Chemistry, Indiana University, 800 E. Kirkwood Avenue, Bloomington, IN, 47405, USA
| | - Amar H Flood
- Department of Chemistry, Indiana University, 800 E. Kirkwood Avenue, Bloomington, IN, 47405, USA
| | - Max von Delius
- Institute of Organic Chemistry, Ulm University, Albert-Einstein-Allee 11, 89081, Ulm, Germany
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52
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Zheng Z, Yagafarov N, Xu Z, Ouali A, Takeda N, Liu Y, Unno M. BINOL and triazole-containing Janus rings and 29-8-29-membered tricyclic ladder-type hybridized siloxane: application in the fluorescence sensing of anions. Dalton Trans 2023. [PMID: 37466385 DOI: 10.1039/d3dt01320k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/20/2023]
Abstract
Tetrachloro- and tetraazide-substituted all-cis-tetraphenylcyclotetrasiloxanes (all-cis-T4) 2 and 3 were synthesized in high yields and were fully characterized. Then the precursor 3 underwent CuAAC click reaction with monopropargyl BINOL 4 and dipropargyl BINOL 6 to give the novel BINOL and triazole-containing all-cis-T4 cyclic siloxane 5 and the 29-8-29-membered-ring ladder-type hybrid siloxane 7. The sensing ability of compounds 5 and 7 towards anions was studied as well, and it was observed that 7 could selectively recognize iodides through synergistic C-H⋯I hydrogen bonding, resulting in an impressive fluorescence quenching with a Ksv of 8.10 × 104 M-1.
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Affiliation(s)
- Zhanjiang Zheng
- College of Materials, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou, 311121, Zhejiang, China.
- Department of Chemistry and Chemical Biology, Graduate School of Science and Technology, Gunma University, 1-5-1 Tenjin-cho, Kiryu 376-8515, Japan.
| | - Niyaz Yagafarov
- Department of Chemistry and Chemical Biology, Graduate School of Science and Technology, Gunma University, 1-5-1 Tenjin-cho, Kiryu 376-8515, Japan.
| | - Zheng Xu
- College of Materials, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou, 311121, Zhejiang, China.
| | - Armelle Ouali
- ICGM, Univ. Montpellier, CNRS, ENSCM, 1919 route de Mende, Montpellier 34293, Cedex 5, France
| | - Nobuhiro Takeda
- Department of Chemistry and Chemical Biology, Graduate School of Science and Technology, Gunma University, 1-5-1 Tenjin-cho, Kiryu 376-8515, Japan.
| | - Yujia Liu
- Department of Chemistry and Chemical Biology, Graduate School of Science and Technology, Gunma University, 1-5-1 Tenjin-cho, Kiryu 376-8515, Japan.
| | - Masafumi Unno
- Department of Chemistry and Chemical Biology, Graduate School of Science and Technology, Gunma University, 1-5-1 Tenjin-cho, Kiryu 376-8515, Japan.
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53
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de Jong J, Bos JE, Wezenberg SJ. Stimulus-Controlled Anion Binding and Transport by Synthetic Receptors. Chem Rev 2023; 123:8530-8574. [PMID: 37342028 PMCID: PMC10347431 DOI: 10.1021/acs.chemrev.3c00039] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Indexed: 06/22/2023]
Abstract
Anionic species are omnipresent and involved in many important biological processes. A large number of artificial anion receptors has therefore been developed. Some of these are capable of mediating transmembrane transport. However, where transport proteins can respond to stimuli in their surroundings, creation of synthetic receptors with stimuli-responsive functions poses a major challenge. Herein, we give a full overview of the stimulus-controlled anion receptors that have been developed thus far, including their application in membrane transport. In addition to their potential operation as membrane carriers, the use of anion recognition motifs in forming responsive membrane-spanning channels is discussed. With this review article, we intend to increase interest in transmembrane transport among scientists working on host-guest complexes and dynamic functional systems in order to stimulate further developments.
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Affiliation(s)
| | | | - Sander J. Wezenberg
- Leiden Institute of Chemistry, Leiden University, Einsteinweg 55, 2333
CC Leiden, The Netherlands
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54
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Ong WSY, Ji K, Pathiranage V, Maydew C, Baek K, Villones RLE, Meloni G, Walker AR, Dodani SC. Rational Design of the β-Bulge Gate in a Green Fluorescent Protein Accelerates the Kinetics of Sulfate Sensing. Angew Chem Int Ed Engl 2023; 62:e202302304. [PMID: 37059690 PMCID: PMC10330437 DOI: 10.1002/anie.202302304] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2023] [Revised: 04/11/2023] [Accepted: 04/12/2023] [Indexed: 04/16/2023]
Abstract
Detection of anions in complex aqueous media is a fundamental challenge with practical utility that can be addressed by supramolecular chemistry. Biomolecular hosts such as proteins can be used and adapted as an alternative to synthetic hosts. Here, we report how the mutagenesis of the β-bulge residues (D137 and W138) in mNeonGreen, a bright, monomeric fluorescent protein, unlocks and tunes the anion preference at physiological pH for sulfate, resulting in the turn-off sensor SulfOFF-1. This unprecedented sensing arises from an enhancement in the kinetics of binding, largely driven by position 138. In line with these data, molecular dynamics (MD) simulations capture how the coordinated entry and gating of sulfate into the β-barrel is eliminated upon mutagenesis to facilitate binding and fluorescence quenching.
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Affiliation(s)
- Whitney S. Y. Ong
- Department of Chemistry and Biochemistry, The University of Texas at Dallas, 800 W. Campbell Road, Richardson, Texas 75080-3021, USA
| | - Ke Ji
- Department of Chemistry and Biochemistry, The University of Texas at Dallas, 800 W. Campbell Road, Richardson, Texas 75080-3021, USA
| | - Vishaka Pathiranage
- Department of Chemistry, Wayne State University, 42 W. Warren Ave. Detroit, MI 48202, USA
| | - Caden Maydew
- Department of Chemistry and Biochemistry, The University of Texas at Dallas, 800 W. Campbell Road, Richardson, Texas 75080-3021, USA
| | - Kiheon Baek
- Department of Chemistry and Biochemistry, The University of Texas at Dallas, 800 W. Campbell Road, Richardson, Texas 75080-3021, USA
| | - Rhiza Lyne E. Villones
- Department of Chemistry and Biochemistry, The University of Texas at Dallas, 800 W. Campbell Road, Richardson, Texas 75080-3021, USA
| | - Gabriele Meloni
- Department of Chemistry and Biochemistry, The University of Texas at Dallas, 800 W. Campbell Road, Richardson, Texas 75080-3021, USA
| | - Alice R. Walker
- Department of Chemistry, Wayne State University, 42 W. Warren Ave. Detroit, MI 48202, USA
| | - Sheel C. Dodani
- Department of Chemistry and Biochemistry, The University of Texas at Dallas, 800 W. Campbell Road, Richardson, Texas 75080-3021, USA
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55
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Parra RD. Bracelet-like Complexes of Lithium Fluoride with Aromatic Tetraamides, and Their Potential for LiF-Mediated Self-Assembly: A DFT Study. Molecules 2023; 28:4812. [PMID: 37375366 DOI: 10.3390/molecules28124812] [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: 05/25/2023] [Revised: 06/11/2023] [Accepted: 06/14/2023] [Indexed: 06/29/2023] Open
Abstract
Geometries and binding energies of complexes between a LiF molecule and a model aromatic tetraamide are obtained using various DFT methods. The tetraamide consists of a benzene ring and four amides positioned so that the LiF molecule can bind via Li⋯O=C or N-H⋯F interactions. The complex with both interactions is the most stable one, followed by the complex with only N-H⋯F interactions. Doubling the size of the former resulted in a complex with a LiF dimer sandwiched between the model tetraamides. In turn, doubling the size of the latter resulted in a more stable tetramer with bracelet-like geometry having the two LiF molecules also sandwiched but far apart from each other. Additionally, all methods show that the energy barrier to transition to the more stable tetramer is small. The self-assembly of the bracelet-like complex mediated by the interactions of adjacent LiF molecules is demonstrated by all computational methods employed.
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Affiliation(s)
- Rubén D Parra
- Department of Chemistry and Biochemistry, DePaul University, Chicago, IL 60614, USA
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56
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Biswas R, Samanta K, Ghorai S, Maji S, Natarajan R. Conformationally Flexible Cleft Receptor for Chloride Anion Transport. ACS OMEGA 2023; 8:19625-19631. [PMID: 37305253 PMCID: PMC10249377 DOI: 10.1021/acsomega.3c01146] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 02/20/2023] [Accepted: 04/25/2023] [Indexed: 06/13/2023]
Abstract
The design and synthesis of a cleft-shaped bis-diarylurea receptor for chloride anion transport is reported in this work. The receptor is based on the foldameric nature of N,N'-diphenylurea upon its dimethylation. The bis-diarylurea receptor exhibits a strong and selective affinity for chloride over bromide and iodide anions. A nanomolar quantity of the receptor efficiently transports the chloride across a lipid bilayer membrane as a 1:1 complex (EC50 = 5.23 nm). The work demonstrates the utility of the N,N'-dimethyl-N,N'-diphenylurea scaffold in anion recognition and transport.
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Affiliation(s)
- Raju Biswas
- Organic
& Medicinal Chemistry Division, CSIR-Indian
Institute of Chemical Biology, 4 Raja SC Mullick Road, Kolkata 700032, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Krishanu Samanta
- Organic
& Medicinal Chemistry Division, CSIR-Indian
Institute of Chemical Biology, 4 Raja SC Mullick Road, Kolkata 700032, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Sandipan Ghorai
- Organic
& Medicinal Chemistry Division, CSIR-Indian
Institute of Chemical Biology, 4 Raja SC Mullick Road, Kolkata 700032, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Suman Maji
- Organic
& Medicinal Chemistry Division, CSIR-Indian
Institute of Chemical Biology, 4 Raja SC Mullick Road, Kolkata 700032, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Ramalingam Natarajan
- Organic
& Medicinal Chemistry Division, CSIR-Indian
Institute of Chemical Biology, 4 Raja SC Mullick Road, Kolkata 700032, India
- Academy
of Scientific and Innovative Research (AcSIR), Ghaziabad 201002, India
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57
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Simonini Steiner YT, Romano GM, Massai L, Lippi M, Paoli P, Rossi P, Savastano M, Bencini A. Pyrene-Containing Polyamines as Fluorescent Receptors for Recognition of PFOA in Aqueous Media. Molecules 2023; 28:4552. [PMID: 37299033 PMCID: PMC10254721 DOI: 10.3390/molecules28114552] [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: 05/04/2023] [Revised: 05/25/2023] [Accepted: 06/01/2023] [Indexed: 06/12/2023] Open
Abstract
The globally widespread perfluorooctanoic acid (PFOA) is a concerning environmental contaminant, with a possible toxic long-term effects on the environment and human health The development of sensible, rapid, and low-cost detection systems is a current change in modern environmental chemistry. In this context, two triamine-based chemosensors, L1 and L2, containing a fluorescent pyrene unit, and their Zn(II) complexes are proposed as fluorescent probes for the detection of PFOA in aqueous media. Binding studies carried out by means of fluorescence and NMR titrations highlight that protonated forms of the receptors can interact with the carboxylate group of PFOA, thanks to salt bridge formation with the ammonium groups of the aliphatic chain. This interaction induces a decrease in the fluorescence emission of pyrene at neutral and slightly acidic pH values. Similarly, emission quenching has also been observed upon coordination of PFOA by the Zn(II) complexes of the receptors. These results evidence that simple polyamine-based molecular receptors can be employed for the optical recognition of harmful pollutant molecules, such as PFOA, in aqueous media.
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Affiliation(s)
- Yschtar Tecla Simonini Steiner
- Department of Chemistry “Ugo Schiff”, Università degli Studi di Firenze, Via della Lastruccia 3, Sesto Fiorentino, 50019 Firenze, Italy; (Y.T.S.S.); (L.M.); (M.S.)
| | - Giammarco Maria Romano
- Department of Chemistry “Ugo Schiff”, Università degli Studi di Firenze, Via della Lastruccia 3, Sesto Fiorentino, 50019 Firenze, Italy; (Y.T.S.S.); (L.M.); (M.S.)
| | - Lara Massai
- Department of Chemistry “Ugo Schiff”, Università degli Studi di Firenze, Via della Lastruccia 3, Sesto Fiorentino, 50019 Firenze, Italy; (Y.T.S.S.); (L.M.); (M.S.)
| | - Martina Lippi
- Department of Industrial Engineering, Università di Firenze, Via Santa Marta 3, 50139 Firenze, Italy; (M.L.); (P.P.); (P.R.)
| | - Paola Paoli
- Department of Industrial Engineering, Università di Firenze, Via Santa Marta 3, 50139 Firenze, Italy; (M.L.); (P.P.); (P.R.)
| | - Patrizia Rossi
- Department of Industrial Engineering, Università di Firenze, Via Santa Marta 3, 50139 Firenze, Italy; (M.L.); (P.P.); (P.R.)
| | - Matteo Savastano
- Department of Chemistry “Ugo Schiff”, Università degli Studi di Firenze, Via della Lastruccia 3, Sesto Fiorentino, 50019 Firenze, Italy; (Y.T.S.S.); (L.M.); (M.S.)
| | - Andrea Bencini
- Department of Chemistry “Ugo Schiff”, Università degli Studi di Firenze, Via della Lastruccia 3, Sesto Fiorentino, 50019 Firenze, Italy; (Y.T.S.S.); (L.M.); (M.S.)
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58
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Wei W. Hofmeister Effects Shine in Nanoscience. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023:e2302057. [PMID: 37211703 PMCID: PMC10401134 DOI: 10.1002/advs.202302057] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2023] [Revised: 05/11/2023] [Indexed: 05/23/2023]
Abstract
Hofmeister effects play a crucial role in nanoscience by affecting the physicochemical and biochemical processes. Thus far, numerous wonderful applications from various aspects of nanoscience have been developed based on the mechanism of Hofmeister effects, such as hydrogel/aerogel engineering, battery design, nanosynthesis, nanomotors, ion sensors, supramolecular chemistry, colloid and interface science, nanomedicine, and transport behaviors, etc. In this review, for the first time, the progress of applying Hofmeister effects is systematically introduced and summarized in nanoscience. It is aimed to provide a comprehensive guideline for future researchers to design more useful Hofmeister effects-based nanosystems.
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Affiliation(s)
- Weichen Wei
- Department of Nanoengineering, University of California San Diego, La Jolla, San Diego, CA, 92093, USA
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59
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Hong D, Shi L, Liu X, Ya H, Han X. Photocatalysis in Water-Soluble Supramolecular Metal Organic Complex. Molecules 2023; 28:molecules28104068. [PMID: 37241809 DOI: 10.3390/molecules28104068] [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: 03/20/2023] [Revised: 04/28/2023] [Accepted: 05/05/2023] [Indexed: 05/28/2023] Open
Abstract
As an emerging subset of organic complexes, metal complexes have garnered considerable attention owing to their outstanding structures, properties, and applications. In this content, metal-organic cages (MOCs) with defined shapes and sizes provide internal spaces to isolate water for guest molecules, which can be selectively captured, isolated, and released to achieve control over chemical reactions. Complex supramolecules are constructed by simulating the self-assembly behavior of the molecules or structures in nature. For this purpose, massive amounts of cavity-containing supramolecules, such as metal-organic cages (MOCs), have been extensively explored for a large variety of reactions with a high degree of reactivity and selectivity. Because sunlight and water are necessary for the process of photosynthesis, water-soluble metal-organic cages (WSMOCs) are ideal platforms for photo-responsive stimulation and photo-mediated transformation by simulating photosynthesis due to their defined sizes, shapes, and high modularization of metal centers and ligands. Therefore, the design and synthesis of WSMOCs with uncommon geometries embedded with functional building units is of immense importance for artificial photo-responsive stimulation and photo-mediated transformation. In this review, we introduce the general synthetic strategies of WSMOCs and their applications in this sparking field.
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Affiliation(s)
- Dongfeng Hong
- College of Food and Drug, Henan Functional Cosmetics Engineering & Technology Research Center, Luoyang Normal University, Luoyang 471934, China
| | - Linlin Shi
- College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
| | - Xianghui Liu
- College of Food and Drug, Henan Functional Cosmetics Engineering & Technology Research Center, Luoyang Normal University, Luoyang 471934, China
| | - Huiyuan Ya
- College of Food and Drug, Henan Functional Cosmetics Engineering & Technology Research Center, Luoyang Normal University, Luoyang 471934, China
| | - Xin Han
- College of Chemistry, Zhengzhou University, Zhengzhou 450001, China
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60
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Gou F, Shi D, Kou B, Li Z, Yan X, Wu X, Jiang YB. One-Pot Cyclization to Large Peptidomimetic Macrocycles by In Situ-Generated β-Turn-Enforced Folding. J Am Chem Soc 2023; 145:9530-9539. [PMID: 37037798 DOI: 10.1021/jacs.2c11684] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/12/2023]
Abstract
Macrocycles have been targets of extensive synthetic efforts for decades because of their potent molecular recognition and self-assembly capabilities. Yet, efficient syntheses of macrocyclic molecules via irreversible covalent bonds remain challenging. Here, we report an efficient approach to large peptidomimetic macrocycles by using the in situ-generated β-turn structural motifs afforded in the amidothiourea moieties from the early steps of the reaction of 2 molecules of bilateral amino acid-based acylhydrazine with 2 molecules of diisothiocyanate. Four chiral and achiral peptidomimetic large macrocycles were successfully synthesized in high yields of 45-63% in a feasible one-pot reaction under sub-molar concentration conditions and were purified by simple filtration. X-ray crystallographic characterization of three macrocycles reveals an important feature that their four β-turn structures, each maintained by four 10-membered intramolecular hydrogen bonds, alternatively network the four aromatic arms. This affords an interesting conformation switching mode upon anion binding. Binding of SO42- to 1L or 1D that contains 4 alanine residues (with the lowest steric hinderance among the macrocycles) leads to an inside-out structural change of the host macrocycle, as confirmed by the X-ray crystal structure of 1L-SO42- and 1D-SO42- complexes, accompanied by an inversion of the CD signals. On the basis of the strong sulfate affinity of the macrocycles, we succeeded in the removal of sulfate anions from water via a macrocycle-mediated liquid-liquid extraction method. Our synthetic protocol can be easily extended to other macrocycles of varying arms and/or chiral amino acid residues; thus, a variety of structurally and functionally diverse macrocycles are expected to be readily made.
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Affiliation(s)
- Fei Gou
- Department of Chemistry, College of Chemistry and Chemical Engineering, The MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, and Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), Xiamen University, Xiamen 361005, China
| | - Di Shi
- Department of Chemistry, College of Chemistry and Chemical Engineering, The MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, and Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), Xiamen University, Xiamen 361005, China
| | - Bohan Kou
- Department of Chemistry, College of Chemistry and Chemical Engineering, The MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, and Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), Xiamen University, Xiamen 361005, China
| | - Zhao Li
- Department of Chemistry, College of Chemistry and Chemical Engineering, The MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, and Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), Xiamen University, Xiamen 361005, China
| | - Xiaosheng Yan
- Department of Chemistry, College of Chemistry and Chemical Engineering, The MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, and Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), Xiamen University, Xiamen 361005, China
- School of Pharmaceutical Sciences, Xiamen University, Xiamen 361102, China
| | - Xin Wu
- School of Pharmaceutical Sciences, Xiamen University, Xiamen 361102, China
- School of Chemistry and Molecular Biosciences, The University of Queensland, St Lucia, Queensland 4072, Australia
| | - Yun-Bao Jiang
- Department of Chemistry, College of Chemistry and Chemical Engineering, The MOE Key Laboratory of Spectrochemical Analysis and Instrumentation, and Collaborative Innovation Center of Chemistry for Energy Materials (iChEM), Xiamen University, Xiamen 361005, China
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61
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Schultz M, Parker SL, Fernando MT, Wellalage MM, Thomas DA. Diserinol Isophthalamide: A Novel Reagent for Complexation with Biomolecular Anions in Electrospray Ionization Mass Spectrometry. JOURNAL OF THE AMERICAN SOCIETY FOR MASS SPECTROMETRY 2023; 34:745-753. [PMID: 36975839 DOI: 10.1021/jasms.3c00010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
Transferring biomolecules from solution to vacuum facilitates a detailed analysis of molecular structure and dynamics by isolating molecules of interest from a complex environment. However, inherent in the ion desolvation process is the loss of solvent hydrogen bonding partners, which are critical for the stability of a condensed-phase structure. Thus, transfer of ions to vacuum can favor structural rearrangement, especially near solvent-accessible charge sites, which tend to adopt intramolecular hydrogen bonding motifs in the absence of solvent. Complexation of monoalkylammonium moieties (e.g., lysine side chains) with crown ethers such as 18-crown-6 can disfavor structural rearrangement of protonated sites, but no equivalent ligand has been investigated for deprotonated groups. Herein we describe diserinol isophthalamide (DIP), a novel reagent for the gas-phase complexation of anionic moieties within biomolecules. Complexation is observed to the C-terminus or side chains of the small model peptides GD, GE, GG, DF-OMe, VYV, YGGFL, and EYMPME in electrospray ionization mass spectrometry (ESI-MS) studies. In addition, complexation is observed with the phosphate and carboxylate moieities of phosphoserine and phosphotyrosine. DIP performs favorably in comparison to an existing anion recognition reagent, 1,1'-(1,2-phenylene)bis(3-phenylurea), that exhibits moderate carboxylate binding in organic solvent. This improved performance in ESI-MS experiments is attributed to reduced steric constraints to complexation with carboxylate groups of larger molecules. Overall, diserinol isophthalamide is an effective complexation reagent that can be applied in future work to study retention of solution-phase structure, investigate intrinsic molecular properties, and examine solvation effects.
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Affiliation(s)
- Madeline Schultz
- Department of Chemistry, University of Rhode Island, Kingston, Rhode Island 02881, United States
| | - Sarah L Parker
- Department of Chemistry, University of Rhode Island, Kingston, Rhode Island 02881, United States
| | - Maleesha T Fernando
- Department of Chemistry, University of Rhode Island, Kingston, Rhode Island 02881, United States
| | - Miyuru M Wellalage
- Department of Chemistry, University of Rhode Island, Kingston, Rhode Island 02881, United States
| | - Daniel A Thomas
- Department of Chemistry, University of Rhode Island, Kingston, Rhode Island 02881, United States
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62
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Sharma V, Sahu B, Kumar Das U, Kumar Patra G. A reversible fluorescent-colorimetric malononitrile based novel Schiff-base chemosensor for visual detection of bicarbonate ion in aqueous solution. Inorganica Chim Acta 2023. [DOI: 10.1016/j.ica.2023.121491] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/05/2023]
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63
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Middya P, Karmakar M, Frontera A, Chattopadhyay S. Insight into the role of pseudo-halides as multiple hydrogen bond acceptors in the formation of supramolecular 1D assembly of di and trinuclear zinc complexes. Inorganica Chim Acta 2023. [DOI: 10.1016/j.ica.2023.121516] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/04/2023]
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64
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Bąk KM, Patrick SC, Li X, Beer PD, Davis JJ. Engineered Binding Microenvironments in Halogen Bonding Polymers for Enhanced Anion Sensing. Angew Chem Int Ed Engl 2023; 62:e202300867. [PMID: 36749115 PMCID: PMC10946961 DOI: 10.1002/anie.202300867] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2023] [Revised: 02/07/2023] [Accepted: 02/07/2023] [Indexed: 02/08/2023]
Abstract
Mimicking Nature's polymeric protein architectures by designing hosts with binding cavities screened from bulk solvent is a promising approach to achieving anion recognition in competitive media. Accomplishing this, however, can be synthetically demanding. Herein we present a synthetically tractable approach, by directly incorporating potent supramolecular anion-receptive motifs into a polymeric scaffold, tuneable through a judicious selection of the co-monomer. A comprehensive analysis of anion recognition and sensing is demonstrated with redox-active, halogen bonding polymeric hosts. Notably, the polymeric hosts consistently outperform their monomeric analogues, with especially large halide binding enhancements of ca. 50-fold observed in aqueous-organic solvent mixtures. These binding enhancements are rationalised by the generation and presentation of low dielectric constant binding microenvironments from which there is appreciable solvent exclusion.
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Affiliation(s)
- Krzysztof M. Bąk
- Department of ChemistryUniversity of OxfordSouth Parks RoadOxfordOX1 3QZUK
| | - Sophie C. Patrick
- Department of ChemistryUniversity of OxfordSouth Parks RoadOxfordOX1 3QZUK
| | - Xiaoxiong Li
- Department of ChemistryUniversity of OxfordSouth Parks RoadOxfordOX1 3QZUK
| | - Paul D. Beer
- Department of ChemistryUniversity of OxfordSouth Parks RoadOxfordOX1 3QZUK
| | - Jason J. Davis
- Department of ChemistryUniversity of OxfordSouth Parks RoadOxfordOX1 3QZUK
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65
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Jin L, Sun C, Li Z, Shen J, Zeng H. A K +-selective channel with a record-high K +/Na + selectivity of 20.1. Chem Commun (Camb) 2023; 59:3610-3613. [PMID: 36891811 DOI: 10.1039/d2cc04396c] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/26/2023]
Abstract
For compounds each containing a phenylalanine moiety with its two ends amidated to have a 15-crown-5 unit and an alkyl chain, a simple tuning of the alkyl chain length delivered a K+-selective channel with a record-high K+/Na+ selectivity of 20.1.
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Affiliation(s)
- Lei Jin
- School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an, Shannxi 710072, China
| | - Chang Sun
- College of Textile Science and Technology, Jiangnan University, Wuxi, Jiangsu 214122, China
| | - Zhongyan Li
- College of Chemistry, Fuzhou University, Fuzhou, Fujian 350116, China.
| | - Jie Shen
- School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an, Shannxi 710072, China
- College of Chemistry, Fuzhou University, Fuzhou, Fujian 350116, China.
| | - Huaqiang Zeng
- School of Chemistry and Chemical Engineering, Northwestern Polytechnical University, Xi'an, Shannxi 710072, China
- College of Chemistry, Fuzhou University, Fuzhou, Fujian 350116, China.
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66
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Souto FT, Machado VG. Hybrid films composed of ethyl(hydroxyethyl)cellulose and silica xerogel functionalized with a fluorogenic chemosensor for the detection of mercury in water. Carbohydr Polym 2023; 304:120480. [PMID: 36641189 DOI: 10.1016/j.carbpol.2022.120480] [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: 09/26/2022] [Revised: 12/06/2022] [Accepted: 12/16/2022] [Indexed: 12/24/2022]
Abstract
Ethyl(hydroxyethyl)cellulose (EHEC) and a silica-based xerogel (SBX) were functionalized with a (18-crown-6)-styrylpyridine precursor (1) to obtain the modified polymers EHEC-1 and SBX-1, respectively. Films were obtained and the resulting materials were used as fluorogenic devices for the detection of Hg2+ in water. The films produced from EHEC-1 showed high water retention, making it difficult to apply as a reusable optical chemosensor. Since SBXs are recognized in the literature for their hydrophobicity, a hybrid film composed of EHEC and SBX-1 which did not show water retention was produced and characterized. This system showed rapid response time, outstanding selectivity compared to several other studied metal ions, and sensitivity for the detection of Hg2+ in water. The detection limit for this material using fluorescence technique was 2 ppb (∼10-8 mol L-1). The reversibility of the complex formed between EHEC-SBX-1 film and Hg2+ was demonstrated by the addition of cysteine to the medium. The result obtained also allowed the assembly of INHIBIT and IMPLICATION molecular logic gates, using Hg2+ and cysteine as inputs. The results described in this article have important significance in the development of novel reversible fluorogenic chemosensors and adsorbent materials for the effective removal of Hg2+ ions.
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Affiliation(s)
- Francielly Thaís Souto
- Departamento de Química, Universidade Federal de Santa Catarina, UFSC, Florianópolis, SC 88040-900, Brazil
| | - Vanderlei Gageiro Machado
- Departamento de Química, Universidade Federal de Santa Catarina, UFSC, Florianópolis, SC 88040-900, Brazil.
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67
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Sarkar M, Hey-Hawkins E, Boomishankar R. Encapsulation Studies on closo-Dicarbadodecaborane Isomers in Neutral Tetrahedral Palladium(II) Cages. Inorg Chem 2023; 62:4035-4042. [PMID: 36857772 DOI: 10.1021/acs.inorgchem.2c04207] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/03/2023]
Abstract
The encapsulation of icosahedral closo-dicarbadodecaborane (o-, m-, and p-carboranes, Cb) as guest molecules at the intrinsic cavities of the three isostructural tetrahedral cages [{Pd3(NiPr)3PO}4(Cl-AN)6] (1), [{Pd3(NiPr)3PO}4(Br-AN)6] (2), and [{Pd3(NiPr)3PO}4(H-AN)6] (3) was studied. The formation of definite host-guest assemblies was probed with mass spectrometry, IR, and NMR spectral analysis. 2D DOSY 1H NMR of the Cb⊂Cage systems showed similar diffusion coefficient (D) values for the host and guest species, signifying the encapsulation of these guests inside the cage assemblies. The hydrodynamic radius (RH) derived from the D values of the host and guest species further confirmed the encapsulation of the Cb isomers at the cage pockets. The single-molecule energy optimization of the host-guest assemblies indicated the preferential binding of o-Cb as a guest inside the cages (1-3). The stabilization of these Cb guests inside these cages was further attributed to various possible nonclassical C-H···X-type interactions.
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Affiliation(s)
- Meghamala Sarkar
- Department of Chemistry, Indian Institute of Science Education and Research (IISER), Pune, Dr. Homi Bhabha Road, Pune 411008, India
| | - Evamarie Hey-Hawkins
- Institut für Anorganische Chemie, Fakultät für Chemie und Mineralogie, Universität Leipzig, Johannisallee 29, 04103 Leipzig, Germany
| | - Ramamoorthy Boomishankar
- Department of Chemistry, Indian Institute of Science Education and Research (IISER), Pune, Dr. Homi Bhabha Road, Pune 411008, India.,Centre for Energy Science, Indian Institute of Science Education and Research (IISER), Pune, Dr. Homi Bhabha Road, Pune 411008, India
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68
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Das D, Sarkar P, Kumar AU, Sutradhar S, Kotakonda M, Lokanath N, Ghosh BN. Nanomolar pyrophosphate detection in water using a zinc-terpyridine receptor and its applications in antiproliferative and antioxidant activity. J Photochem Photobiol A Chem 2023. [DOI: 10.1016/j.jphotochem.2023.114726] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/30/2023]
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69
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Saccone M, Cametti M, Metrangolo P, Pilati T, Resnati G, Terraneo G. Systematic Study of Podand Molecules for Synergistic Halogen and Hydrogen Bond-Driven Anion Recognition in the Solid State. Chem Asian J 2023; 18:e202201255. [PMID: 36715246 DOI: 10.1002/asia.202201255] [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: 12/16/2022] [Revised: 01/25/2023] [Accepted: 01/26/2023] [Indexed: 01/31/2023]
Abstract
The increasing demand of species for the efficient capture and sensing of anions benefits from a systematic study of anion binding capabilities in the solid state. This work reports a detailed crystallographic study of ten structurally related podands and shows that these charged receptors bind anions with a combination of charge-assisted halogen and hydrogen bonds. Computational tools helped in highlighting the role of the different involved interaction and afforded possible design principles for the design of improved podands.
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Affiliation(s)
- Marco Saccone
- Dipartimento di Ingegneria, Università Degli Studi di Palermo, Viale Delle Scienze, Edificio 6, Palermo, 90128, Italy
| | - Massimo Cametti
- Dipartimento di Chimica Materiali e Ingegneria Chimica "Giulio Natta", Politecnico di Milano, Via Luigi Mancinelli 7, 20131, Milano, Italy
| | - Pierangelo Metrangolo
- Dipartimento di Chimica Materiali e Ingegneria Chimica "Giulio Natta", Politecnico di Milano, Via Luigi Mancinelli 7, 20131, Milano, Italy
| | - Tullio Pilati
- Dipartimento di Chimica Materiali e Ingegneria Chimica "Giulio Natta", Politecnico di Milano, Via Luigi Mancinelli 7, 20131, Milano, Italy
| | - Giuseppe Resnati
- Dipartimento di Chimica Materiali e Ingegneria Chimica "Giulio Natta", Politecnico di Milano, Via Luigi Mancinelli 7, 20131, Milano, Italy
| | - Giancarlo Terraneo
- Dipartimento di Chimica Materiali e Ingegneria Chimica "Giulio Natta", Politecnico di Milano, Via Luigi Mancinelli 7, 20131, Milano, Italy
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70
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Novikov AS, Bolotin DS. Xenon Derivatives as Aerogen Bond-Donating Catalysts for Organic Transformations: A Theoretical Study on the Metaphorical "Spherical Cow in a Vacuum" Provides Insights into Noncovalent Organocatalysis. J Org Chem 2023; 88:1936-1944. [PMID: 35679603 DOI: 10.1021/acs.joc.2c00680] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Computations indicate that cationic and noncharged xenon derivatives should exhibit higher catalytic activity than their iodine-based noncovalent organocatalytic congeners. Perfluorophenyl xenonium(II) is expected to demonstrate the best balance between catalytic activity and chemical stability for use in organocatalysis. Comparing its catalytic activity with that of isoelectronic perfluoroiodobenzene indicates that the high catalytic activity of cationic noncovalent organocatalysts is predominantly attributed to the electrostatic interactions with the reaction substrates, which cause the polarization of ligated species during the reaction progress. In contrast, the electron transfer and covalent contributions to the bonding between the catalyst and substrate have negligible effects. The dominant effect of electrostatic interactions results in a strong negative correlation between the calculated Gibbs free energies of activation for the modeled reactions and the highest potentials of the σ-holes on the central atoms of the catalysts. No such correlation is observed for noncharged catalysts.
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Affiliation(s)
- Alexander S Novikov
- Institute of Chemistry, Saint Petersburg State University, Universitetskaya Nab. 7/9, Saint Petersburg 199034, Russian Federation.,Peoples' Friendship University of Russia (RUDN University), Moscow 117198, Russian Federation
| | - Dmitrii S Bolotin
- Institute of Chemistry, Saint Petersburg State University, Universitetskaya Nab. 7/9, Saint Petersburg 199034, Russian Federation
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71
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Adili A, Webster JP, Zhao C, Mallojjala SC, Romero-Reyes MA, Ghiviriga I, Abboud KA, Vetticatt MJ, Seidel D. Mechanism of a Dually Catalyzed Enantioselective Oxa-Pictet-Spengler Reaction and the Development of a Stereodivergent Variant. ACS Catal 2023; 13:2240-2249. [PMID: 37711191 PMCID: PMC10501388 DOI: 10.1021/acscatal.2c05484] [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] [Indexed: 01/28/2023]
Abstract
Enantioselective oxa-Pictet-Spengler reactions of tryptophol with aldehydes proceed under weakly acidic conditions utilizing a combination of two catalysts, an indoline HCl salt and a bisthiourea compound. Mechanistic investigations revealed the roles of both catalysts and confirmed the involvement of oxocarbenium ion intermediates, ruling out alternative scenarios. A stereochemical model was derived from density functional theory calculations, which provided the basis for the development of a highly enantioselective stereodivergent variant with racemic tryptophol derivatives.
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Affiliation(s)
- Alafate Adili
- Center for Heterocyclic Compounds, Department of Chemistry, University of Florida, Gainesville, Florida 32611, United States
| | - John-Paul Webster
- Department of Chemistry, Binghamton University, Binghamton, New York 13902, United States
| | - Chenfei Zhao
- Department of Chemistry and Chemical Biology, Rutgers, The State University of New Jersey, Piscataway, New Jersey 08854, United States
| | | | - Moises A Romero-Reyes
- Center for Heterocyclic Compounds, Department of Chemistry, University of Florida, Gainesville, Florida 32611, United States
| | - Ion Ghiviriga
- Center for NMR Spectroscopy, Department of Chemistry, University of Florida, Gainesville, Florida 32611, United States
| | - Khalil A Abboud
- Center for X-ray Crystallography, Department of Chemistry, University of Florida, Gainesville, Florida 32611, United States
| | - Mathew J Vetticatt
- Department of Chemistry, Binghamton University, Binghamton, New York 13902, United States
| | - Daniel Seidel
- Department of Chemistry, University of Florida, Gainesville, Florida 32611, United States
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72
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Kataev EA. Converting pH probes into "turn-on" fluorescent receptors for anions. Chem Commun (Camb) 2023; 59:1717-1727. [PMID: 36722999 DOI: 10.1039/d2cc06194e] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023]
Abstract
Recognition of anions by synthetic receptors is an integral part of supramolecular chemistry continuing to expand and find new application areas in our daily life. Many applications require visualization of anion recognition events, and the generated analytical signal is used to quantify anions in solution. Transferring a binding event to a measured signal is a challenging task. The design of a synthetic receptor must involve not only the perfectly positioned binding sites with complementary noncovalent interactions for a guest but should also realize the sensing mechanism that generates a strong analytical response upon guest binding. This feature article outlines the design concept for the construction of "turn-on" fluorescent receptors for anions involving fluorescent pH probes. Applications of this concept for the construction of synthetic fluorescent receptors for inorganic anions and nucleotides are described. Features of the obtained receptors and possible competing binding and sensing processes in solution are analyzed to understand the scope and limitations of the approach.
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Affiliation(s)
- Evgeny A Kataev
- Department of Chemistry and Pharmacy, University of Erlangen-Nürnberg, Nikolaus-Fiebiger-Str. 10, 91058 Erlangen, Germany.
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73
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Zalmi GA, Jadhav SE, Mirgane HA, Madje BR, Bhosale SV. A Phenolic Schiff Based AIE‐Active Quinoxaline‐Based Receptor for Selective Sensing of Fluoride Ions. ChemistrySelect 2023. [DOI: 10.1002/slct.202203380] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Affiliation(s)
- Geeta A. Zalmi
- School of Chemical Sciences Goa University 403206 Taleigao Plateau Goa India
| | - Sandeep E. Jadhav
- Department of Chemistry Vasantrao Naik Mahavidyalaya 431003 Aurangabad Maharashtra India
| | - Harshad A. Mirgane
- School of Chemical Sciences Goa University 403206 Taleigao Plateau Goa India
| | - Balaji R. Madje
- Department of Chemistry Vasantrao Naik Mahavidyalaya 431003 Aurangabad Maharashtra India
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74
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Colorimetric sensing of fluoride ion by a Chlorophosphonazo III -based Al3+ complex in aqueous media via indicator displacement approach. Tetrahedron Lett 2023. [DOI: 10.1016/j.tetlet.2023.154405] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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75
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Shehab OR, Mansour AM. Selective recognition of cyanide ion by colorimetric hydrazide based Cr(III) chemosensor. J Mol Struct 2023. [DOI: 10.1016/j.molstruc.2023.135082] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
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76
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Yang X, Liu S. Cationic cyclophanes-in-cucurbit[10]uril: host-in-host complexes showing cooperative recognition towards neutral phenol guests. Supramol Chem 2023. [DOI: 10.1080/10610278.2023.2170233] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
Affiliation(s)
- Xiran Yang
- School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan, P.R. China
| | - Simin Liu
- School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan, P.R. China
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77
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Development and Application of Ruthenium(II) and Iridium(III) Based Complexes for Anion Sensing. Molecules 2023; 28:molecules28031231. [PMID: 36770897 PMCID: PMC9920910 DOI: 10.3390/molecules28031231] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2022] [Revised: 01/18/2023] [Accepted: 01/20/2023] [Indexed: 01/31/2023] Open
Abstract
Improvements in the design of receptors for the detection and quantification of anions are desirable and ongoing in the field of anion chemistry, and remarkable progress has been made in this direction. In this regard, the development of luminescent chemosensors for sensing anions is an imperative and demanding sub-area in supramolecular chemistry. This decade, in particular, witnessed advancements in chemosensors based on ruthenium and iridium complexes for anion sensing by virtue of their modular synthesis and rich chemical and photophysical properties, such as visible excitation wavelength, high quantum efficiency, high luminescence intensity, long lifetimes of phosphorescence, and large Stokes shifts, etc. Thus, this review aims to summarize the recent advances in the development of ruthenium(II) and iridium(III)-based complexes for their application as luminescent chemosensors for anion sensing. In addition, the focus was devoted to designing aspects of polypyridyl complexes of these two transition metals with different recognition motifs, which upon interacting with different inorganic anions, produces desirable quantifiable outputs.
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78
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Ham R, Nielsen CJ, Pullen S, Reek JNH. Supramolecular Coordination Cages for Artificial Photosynthesis and Synthetic Photocatalysis. Chem Rev 2023; 123:5225-5261. [PMID: 36662702 PMCID: PMC10176487 DOI: 10.1021/acs.chemrev.2c00759] [Citation(s) in RCA: 55] [Impact Index Per Article: 55.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Abstract
Because sunlight is the most abundant energy source on earth, it has huge potential for practical applications ranging from sustainable energy supply to light driven chemistry. From a chemical perspective, excited states generated by light make thermodynamically uphill reactions possible, which forms the basis for energy storage into fuels. In addition, with light, open-shell species can be generated which open up new reaction pathways in organic synthesis. Crucial are photosensitizers, which absorb light and transfer energy to substrates by various mechanisms, processes that highly depend on the distance between the molecules involved. Supramolecular coordination cages are well studied and synthetically accessible reaction vessels with single cavities for guest binding, ensuring close proximity of different components. Due to high modularity of their size, shape, and the nature of metal centers and ligands, cages are ideal platforms to exploit preorganization in photocatalysis. Herein we focus on the application of supramolecular cages for photocatalysis in artificial photosynthesis and in organic photo(redox) catalysis. Finally, a brief overview of immobilization strategies for supramolecular cages provides tools for implementing cages into devices. This review provides inspiration for future design of photocatalytic supramolecular host-guest systems and their application in producing solar fuels and complex organic molecules.
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Affiliation(s)
- Rens Ham
- Homogeneous and Supramolecular Catalysis, Van 't Hoff Institute for Molecular Sciences, University of Amsterdam, 1098 XHAmsterdam, The Netherlands
| | - C Jasslie Nielsen
- Homogeneous and Supramolecular Catalysis, Van 't Hoff Institute for Molecular Sciences, University of Amsterdam, 1098 XHAmsterdam, The Netherlands
| | - Sonja Pullen
- Homogeneous and Supramolecular Catalysis, Van 't Hoff Institute for Molecular Sciences, University of Amsterdam, 1098 XHAmsterdam, The Netherlands
| | - Joost N H Reek
- Homogeneous and Supramolecular Catalysis, Van 't Hoff Institute for Molecular Sciences, University of Amsterdam, 1098 XHAmsterdam, The Netherlands
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79
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Plais R, Gouarin G, Bournier A, Zayene O, Mussard V, Bourdreux F, Marrot J, Brosseau A, Gaucher A, Clavier G, Salpin JY, Prim D. Chloride Binding Modulated by Anion Receptors Bearing Tetrazine and Urea. Chemphyschem 2023; 24:e202200524. [PMID: 36111796 PMCID: PMC10091995 DOI: 10.1002/cphc.202200524] [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: 07/17/2022] [Revised: 09/15/2022] [Indexed: 01/20/2023]
Abstract
Modulation and fine-tuning of the strength of weak interactions to bind anions are described in a series of synthetic receptors. The general design of the receptors includes both a urea motif and a tetrazine motif. The synthetic sequence towards three receptors is detailed. Impacts of H-bond strength and linker length between urea and tetrazine on chloride complexation are studied. Binding properties of the chloride anion are examined in both the ground and excited states using a panel of analytical methods (NMR spectroscopy, mass spectrometry, UV/Visible spectroscopies, and fluorescence). A ranking of the receptors by complexation strength has been determined, allowing a better understanding of the structure-properties relationship on these compounds.
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Affiliation(s)
- Romain Plais
- Institut Lavoisier de Versailles, Université Paris-Saclay, UVSQ, CNRS, 78000, Versailles, France
| | - Guy Gouarin
- Institut Lavoisier de Versailles, Université Paris-Saclay, UVSQ, CNRS, 78000, Versailles, France
| | - Amélie Bournier
- LAMBE, Université Paris-Saclay, Univ Evry, CNRS, 91025, Evry-Courcouronnes, France.,LAMBE, CY Cergy Paris Université, CNRS, 95000, Cergy, France
| | - Olfa Zayene
- Institut Lavoisier de Versailles, Université Paris-Saclay, UVSQ, CNRS, 78000, Versailles, France
| | - Vanessa Mussard
- Institut Lavoisier de Versailles, Université Paris-Saclay, UVSQ, CNRS, 78000, Versailles, France
| | - Flavien Bourdreux
- Institut Lavoisier de Versailles, Université Paris-Saclay, UVSQ, CNRS, 78000, Versailles, France
| | - Jérome Marrot
- Institut Lavoisier de Versailles, Université Paris-Saclay, UVSQ, CNRS, 78000, Versailles, France
| | - Arnaud Brosseau
- PPSM, Université Paris-Saclay, ENS Paris-Saclay, CNRS, 91190, Gif-sur-Yvette, France
| | - Anne Gaucher
- Institut Lavoisier de Versailles, Université Paris-Saclay, UVSQ, CNRS, 78000, Versailles, France
| | - Gilles Clavier
- PPSM, Université Paris-Saclay, ENS Paris-Saclay, CNRS, 91190, Gif-sur-Yvette, France
| | - Jean-Yves Salpin
- LAMBE, Université Paris-Saclay, Univ Evry, CNRS, 91025, Evry-Courcouronnes, France.,LAMBE, CY Cergy Paris Université, CNRS, 95000, Cergy, France
| | - Damien Prim
- Institut Lavoisier de Versailles, Université Paris-Saclay, UVSQ, CNRS, 78000, Versailles, France
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80
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Chen X, Chen H, Fraser Stoddart J. The Story of the Little Blue Box: A Tribute to Siegfried Hünig. Angew Chem Int Ed Engl 2023; 62:e202211387. [PMID: 36131604 PMCID: PMC10099103 DOI: 10.1002/anie.202211387] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2022] [Indexed: 02/02/2023]
Abstract
The tetracationic cyclophane, cyclobis(paraquat-p-phenylene), also known as the little blue box, constitutes a modular receptor that has facilitated the discovery of many host-guest complexes and mechanically interlocked molecules during the past 35 years. Its versatility in binding small π-donors in its tetracationic state, as well as forming trisradical tricationic complexes with viologen radical cations in its doubly reduced bisradical dicationic state, renders it valuable for the construction of various stimuli-responsive materials. Since the first reports in 1988, the little blue box has been featured in over 500 publications in the literature. All this research activity would not have been possible without the seminal contributions carried out by Siegfried Hünig, who not only pioneered the syntheses of viologen-containing cyclophanes, but also revealed their rich redox chemistry in addition to their ability to undergo intramolecular π-dimerization. This Review describes how his pioneering research led to the design and synthesis of the little blue box, and how this redox-active host evolved into the key component of molecular shuttles, switches, and machines.
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Affiliation(s)
- Xiao‐Yang Chen
- Department of ChemistryNorthwestern University2145 Sheridan RoadEvanstonIllinois 60208USA
| | - Hongliang Chen
- Stoddart Institute of Molecular ScienceDepartment of ChemistryZhejiang UniversityHangzhou310027China
- ZJU-Hangzhou Global Scientific and Technological Innovation CenterHangzhou311215China
| | - J. Fraser Stoddart
- Department of ChemistryNorthwestern University2145 Sheridan RoadEvanstonIllinois 60208USA
- Stoddart Institute of Molecular ScienceDepartment of ChemistryZhejiang UniversityHangzhou310027China
- ZJU-Hangzhou Global Scientific and Technological Innovation CenterHangzhou311215China
- School of ChemistryUniversity of New South WalesSydneyNSW 2052Australia
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81
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Popova OS, Podshibyakin VА, Shepelenko ЕN, Kuzmina LG, Zaitsev SA, Dubonosov AD, Bren VA, Minkin VI. Novel “naked eye” chromofluorogenic azomethine imine chemosensors for the detection of F−, CN−, AcO− and H2PO4− anions. J Mol Struct 2023. [DOI: 10.1016/j.molstruc.2022.134211] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
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82
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Colorimetric Detection of ATP by a Chlorophosphonazo III -based Mg 2+ Complex in Aqueous Solution via Indicator Displacement Approach. J Fluoresc 2023; 33:255-260. [PMID: 36401733 DOI: 10.1007/s10895-022-03063-5] [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: 07/07/2022] [Accepted: 10/27/2022] [Indexed: 11/20/2022]
Abstract
A simple and effective colorimetric detection of adenosine 5-triphosphate (ATP) in 100% aqueous media was developed based on an indicator displacement approach (IDA). A commercially available dye, Chlorophosphonazo III (CPA), was utilized as the indicator and the ATP detection was achieved using the complex of CPA with Mg2+ in a 2:1 stoichiometric ratio (CPA2-Mg2+) through the regeneration of CPA by the binding of ATP to Mg2+. Upon addition of a series of anions to the CPA2-Mg2+ complex, only the appearance of the solution of the complex with ATP exhibited a color change from blue to purple which can be detected by the naked eye. Moreover, the ATP recognition was not hampered by the presence of other anions. Hence, CPA2-Mg2+ is efficient in ATP highly selective and sensitive colorimetric detection in 100% aqueous media.
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83
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Naithani S, Goswami T, Thetiot F, Kumar S. Imidazo[4,5-f][1,10]phenanthroline based luminescent probes for anion recognition: Recent achievements and challenges. Coord Chem Rev 2023. [DOI: 10.1016/j.ccr.2022.214894] [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]
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84
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Gomes LJ, Carrilho JP, Pereira PM, Moro AJ. A Near InfraRed Emissive Chemosensor for Zn 2+ and Phosphate Derivatives Based on a Di-(2-picolyl)amine-styrylflavylium Push-Pull Fluorophore. SENSORS (BASEL, SWITZERLAND) 2023; 23:471. [PMID: 36617069 PMCID: PMC9823994 DOI: 10.3390/s23010471] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Revised: 12/19/2022] [Accepted: 12/29/2022] [Indexed: 06/17/2023]
Abstract
A new Near InfraRed (NIR) fluorescent chemosensor for metal ions and anions is herein presented. The fluorophore is based on a styrylflavylium dye, a synthetic analogue of the natural anthocyanin family, with a di-(2-picolyl)amine (DPA) moiety as the metal chelating unit. The substitution pattern of the styrylflavylium core (with tertiary amines on positions 7 and 4') shifts the optical properties of the dye towards the NIR region of the electronic spectra, due to a strong push-pull character over the π-conjugated system. The NIR chemosensor is highly sensitive to the presence of Zn2+, which induces a strong CHelation Enhanced Fluorescence (CHEF) effect upon binding to the DPA unit (2.7 fold increase). The strongest competing ion is Cu2+, with a complete fluorescence quenching, while other metals induce lower responses on the optical properties of the chemosensor. Subsequent anion screening of the Zn2+-chemosensor coordination compound has demonstrated a distinct selectivity towards adenosine 5'-triphosphate (ATP) and adenosine 5'-diphosphate (ADP), with high association constants (K ~ 106 M-1) and a strong CHEF effect (2.4 and 2.9 fold fluorescence increase for ATP and ADP, respectively). Intracellular studies with the Zn2+-complexed sensor showed strong luminescence in the cellular membrane of Gram- bacteria (E. coli) and mitochondrial membrane of mammalian cells (A659), which highlights its possible application for intracellular labelling.
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Affiliation(s)
- Liliana J. Gomes
- LAQV-REQUIMTE, Departamento de Química, CQFB, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal
| | - João P. Carrilho
- Intracelular Microbial Infection Biology, Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, 2780-157 Oeiras, Portugal
| | - Pedro M. Pereira
- Intracelular Microbial Infection Biology, Instituto de Tecnologia Química e Biológica António Xavier, Universidade Nova de Lisboa, 2780-157 Oeiras, Portugal
| | - Artur J. Moro
- LAQV-REQUIMTE, Departamento de Química, CQFB, Universidade Nova de Lisboa, 2829-516 Caparica, Portugal
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85
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Kerckhoffs A, Moss I, Langton MJ. Photo-switchable anion binding and catalysis with a visible light responsive halogen bonding receptor. Chem Commun (Camb) 2022; 59:51-54. [PMID: 36440635 DOI: 10.1039/d2cc05199k] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
Abstract
Photo-switchable receptors allow for photo-control over guest binding and release with spatial and temporal precision. Here we report the first halogen bonding photo-switchable anion receptors in which chloride binding may be reversibly modulated by irradiation with red and blue light, with over a 50-fold enhancement in chloride binding affinity observed for the Z isomer. We demonstrate that this switchable binding enables unprecedented photo-controlled catalysis of XB-mediated halide abstractions and a Mukaiyama Aldol reaction.
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Affiliation(s)
- Aidan Kerckhoffs
- Chemistry Research Laboratory, Mansfield Road, Oxford, OX1 3TA, UK.
| | - Isabelle Moss
- Chemistry Research Laboratory, Mansfield Road, Oxford, OX1 3TA, UK.
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86
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Molecular Pincers Using a Combination of N-H and C-H Donors for Anion Binding. Int J Mol Sci 2022; 24:ijms24010163. [PMID: 36613608 PMCID: PMC9820443 DOI: 10.3390/ijms24010163] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2022] [Revised: 12/18/2022] [Accepted: 12/19/2022] [Indexed: 12/24/2022] Open
Abstract
A naphthalene imide (1) and a naphthalene (2) bearing two pyrrole units have been synthesized, respectively, as anion receptors. It was revealed by 1H NMR spectral studies carried out in CD3CN that receptors 1 and 2 bind various anions via hydrogen bonds using both C-H and N-H donors. Compared with receptor 2, receptor 1 shows higher affinity for the test anions because of the enhanced acidity of its pyrrole NH and naphthalene CH hydrogens by the electron-withdrawing imide substituent. Molecular mechanics computations demonstrate that the receptors contact the halide anions via only one of the two respective available N-H and C-H donors whereas they use all four donors for binding of the oxyanions such as dihydrogen phosphate and hydrogen pyrophosphate. Receptor 1, a push-pull conjugated system, displays a strong fluorescence centered at 625 nm, while receptor 2 exhibits an emission with a maximum peak at 408 nm. In contrast, upon exposure of receptors 1 and 2 to the anions in question, their fluorescence was noticeably quenched particularly with relatively basic anions including F-, H2PO4-, HP2O73-, and HCO3-.
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87
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Lakshminarayanan S, Jeyasingh V, Murugesan K, Piramuthu L, Selvapalam N, Dass G. A Molecular Shuttlecock: π-Hole-Induced Selective Colorimetric Tripodal Receptor for Cyanide. JOURNAL OF ANALYTICAL CHEMISTRY 2022. [DOI: 10.1134/s1061934822120085] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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88
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Platzek A, Juber S, Yurtseven C, Hasegawa S, Schneider L, Drechsler C, Ebbert KE, Rudolf R, Yan Q, Holstein JJ, Schäfer LV, Clever GH. Endohedrally Functionalized Heteroleptic Coordination Cages for Phosphate Ester Binding. Angew Chem Int Ed Engl 2022; 61:e202209305. [PMID: 36074340 PMCID: PMC9828229 DOI: 10.1002/anie.202209305] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2022] [Indexed: 01/12/2023]
Abstract
Metallosupramolecular hosts of nanoscopic dimensions, which are able to serve as selective receptors and catalysts, are usually composed of only one type of organic ligand, restricting diversity in terms of cavity shape and functional group decoration. We report a series of heteroleptic [Pd2 A2 B2 ] coordination cages that self-assemble from a library of shape complementary bis-monodentate ligands in a non-statistical fashion. Ligands A feature an inward pointing NH function, able to engage in hydrogen bonding and amenable to being functionalized with amide and alkyl substituents. Ligands B comprise tricyclic aromatic backbones of different shape and electronic situation. The obtained heteroleptic coordination cages were investigated for their ability to bind phosphate diesters as guests. All-atom molecular dynamics (MD) simulations in explicit solvent were conducted to understand the mechanistic relationships behind the experimentally determined guest affinities.
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Affiliation(s)
- André Platzek
- Department of Chemistry and Chemical BiologyTU Dortmund UniversityOtto-Hahn-Straße 644227DortmundGermany
| | - Selina Juber
- Theoretical ChemistryRuhr University Bochum44780BochumGermany
| | - Cem Yurtseven
- Department of Chemistry and Chemical BiologyTU Dortmund UniversityOtto-Hahn-Straße 644227DortmundGermany
| | - Shota Hasegawa
- Department of Chemistry and Chemical BiologyTU Dortmund UniversityOtto-Hahn-Straße 644227DortmundGermany
| | - Laura Schneider
- Department of Chemistry and Chemical BiologyTU Dortmund UniversityOtto-Hahn-Straße 644227DortmundGermany
| | - Christoph Drechsler
- Department of Chemistry and Chemical BiologyTU Dortmund UniversityOtto-Hahn-Straße 644227DortmundGermany
| | - Kristina E. Ebbert
- Department of Chemistry and Chemical BiologyTU Dortmund UniversityOtto-Hahn-Straße 644227DortmundGermany
| | - Robin Rudolf
- Department of Chemistry and Chemical BiologyTU Dortmund UniversityOtto-Hahn-Straße 644227DortmundGermany
| | - Qian‐Qian Yan
- Department of Chemistry and Chemical BiologyTU Dortmund UniversityOtto-Hahn-Straße 644227DortmundGermany
| | - Julian J. Holstein
- Department of Chemistry and Chemical BiologyTU Dortmund UniversityOtto-Hahn-Straße 644227DortmundGermany
| | - Lars V. Schäfer
- Theoretical ChemistryRuhr University Bochum44780BochumGermany
| | - Guido H. Clever
- Department of Chemistry and Chemical BiologyTU Dortmund UniversityOtto-Hahn-Straße 644227DortmundGermany
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89
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Docker A, Tse YC, Tay HM, Taylor AJ, Zhang Z, Beer PD. Anti‐Hofmeister Anion Selectivity via a Mechanical Bond Effect in Neutral Halogen‐Bonding [2]Rotaxanes. Angew Chem Int Ed Engl 2022; 61:e202214523. [PMID: 36264711 PMCID: PMC10100147 DOI: 10.1002/anie.202214523] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2022] [Indexed: 11/18/2022]
Abstract
Exceptionally strong halogen bonding (XB) donor-chloride interactions are exploited for the chloride anion template synthesis of neutral XB [2]rotaxane host systems which contain perfluoroaryl-functionalised axle components, including a remarkably potent novel 4,6-dinitro-1,3-bis-iodotriazole motif. Halide anion recognition properties in aqueous-organic media, determined via extensive 1 H NMR halide anion titration experiments, reveal the rotaxane host systems exhibit dramatically enhanced affinities for hydrophilic Cl- and Br- , but conversely diminished affinities for hydrophobic I- , relative to their non-interlocked axle counterparts. Crucially, this mechanical bond effect induces a binding selectivity which directly opposes Hofmeister bias. Free-energy analysis of this mechanical bond enhancement demonstrates anion recognition by neutral XB interlocked host systems as a rare and general strategy to engineer anti-Hofmeister bias anion selectivity in synthetic receptor design.
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Affiliation(s)
- Andrew Docker
- Department of Chemistry University of Oxford Chemistry Research Laboratory 12 Mansfield Road Oxford OX1 3TA UK
| | - Yuen Cheong Tse
- Department of Chemistry University of Oxford Chemistry Research Laboratory 12 Mansfield Road Oxford OX1 3TA UK
| | - Hui Min Tay
- Department of Chemistry University of Oxford Chemistry Research Laboratory 12 Mansfield Road Oxford OX1 3TA UK
| | - Andrew J. Taylor
- Department of Chemistry University of Oxford Chemistry Research Laboratory 12 Mansfield Road Oxford OX1 3TA UK
| | - Zongyao Zhang
- Department of Chemistry University of Oxford Chemistry Research Laboratory 12 Mansfield Road Oxford OX1 3TA UK
| | - Paul D. Beer
- Department of Chemistry University of Oxford Chemistry Research Laboratory 12 Mansfield Road Oxford OX1 3TA UK
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90
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Zhang W, Zhao J, Yang D. Anion-Coordination-Driven Assembly: From Discrete Supramolecular Self-Assemblies to Functional Soft Materials. Chempluschem 2022; 87:e202200294. [PMID: 36410745 DOI: 10.1002/cplu.202200294] [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: 08/26/2022] [Revised: 10/18/2022] [Indexed: 01/31/2023]
Abstract
Anion templated assembly of supramolecular systems has been extensively explored in previous reports, whereas anions serve only as an auxiliary and spectator role. With the development of anion coordination chemistry in recent years, anion coordination-driven assembly (ACDA) has emerged as a new strategy for the construction of supramolecular self-assemblies. Anions are proved to exist as the main actors in the construction of supramolecular architectures, i. e., serve as the coordination center. This Review will focus on the recent progress in anion-coordination-driven assembly of discrete supramolecular architectures, such as helicates, polyhedrons and polygons, and the various applications of 'aniono'-systems. At the end of this Review, we highlight current challenges and opportunities for future research of anion-coordination-driven self-assembly.
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Affiliation(s)
- Wenyao Zhang
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an, 710069, P. R. China.,Key Laboratory of Magnetic Molecules and Magnetic Information Materials (Ministry of Education), School of Chemistry and Material Science, Shanxi Normal University, Taiyuan, 030006, P. R. China
| | - Jie Zhao
- School of Chemistry and Chemical Engineering, Xi'an University of Architecture and Technology, Xi'an, 710055, P. R. China
| | - Dong Yang
- Key Laboratory of Synthetic and Natural Functional Molecule of the Ministry of Education, College of Chemistry and Materials Science, Northwest University, Xi'an, 710069, P. R. China
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91
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Gao A, Wang Q, Wu H, Zhao JW, Cao X. Research progress on AIE cyanostilbene-based self-assembly gels: Design, regulation and applications. Coord Chem Rev 2022. [DOI: 10.1016/j.ccr.2022.214753] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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92
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Zhang J, Liu S, Liu C, Hu Y, Peng T, He Y. A Novel Ratiometric Fluorescent Probe for Hypobromous Acid Detection in Living Cells. ChemistrySelect 2022. [DOI: 10.1002/slct.202203278] [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)
- Jin Zhang
- School of Materials and Chemical Engineering Hunan City University, Yiyang Hunan 413000 People's Republic of China
| | - Saiwen Liu
- School of Materials and Chemical Engineering Hunan City University, Yiyang Hunan 413000 People's Republic of China
| | - Changhui Liu
- School of Materials and Chemical Engineering Hunan City University, Yiyang Hunan 413000 People's Republic of China
| | - Yongjun Hu
- School of Materials and Chemical Engineering Hunan City University, Yiyang Hunan 413000 People's Republic of China
| | - Tianying Peng
- School of Materials and Chemical Engineering Hunan City University, Yiyang Hunan 413000 People's Republic of China
| | - Yiyun He
- School of Materials and Chemical Engineering Hunan City University, Yiyang Hunan 413000 People's Republic of China
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93
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Wezenberg SJ. Photoswitchable molecular tweezers: isomerization to control substrate binding, and what about vice versa? Chem Commun (Camb) 2022; 58:11045-11058. [PMID: 36106956 PMCID: PMC9531670 DOI: 10.1039/d2cc04329g] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2022] [Accepted: 08/31/2022] [Indexed: 11/21/2022]
Abstract
The linkage of two identical binding motifs by a molecular photoswitch has proven to be a straightforward and versatile strategy to control substrate binding affinity by light. Stimulus control of binding properties in artificial receptors is partly inspired by the dynamic behavior of proteins and is highly attractive as it could, for example, improve extraction processes and allow (de)activation of membrane transport on demand. This feature article summarizes the development and design principles of molecular tweezers containing a molecular photoswitch as the core unit. Besides the control of binding affinity by isomerization, the effect of substrate binding on the isomerization behavior is discussed where data is available. While the latter often receives less attention, it could be of benefit in the future creation of multi-stimuli-controlled molecular switching and machine-like systems.
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Affiliation(s)
- Sander J Wezenberg
- Leiden Institute of Chemistry, Leiden University, Einsteinweg 55, 2333 CC Leiden, The Netherlands.
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94
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Qiu Y, Zhang Y, Jiang Q, Wang H, Liao Y, Zhou H, Xie X. Highly Specific and Sensitive Naked-Eye Fluoride Ion Recognition via Unzipping a Helical Poly(phenylacetylene). Macromolecules 2022. [DOI: 10.1021/acs.macromol.2c01717] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Yuan Qiu
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, Hubei Key Laboratory of Materials Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Yang Zhang
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, Hubei Key Laboratory of Materials Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Qian Jiang
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, Hubei Key Laboratory of Materials Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Hong Wang
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, Hubei Key Laboratory of Materials Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Yonggui Liao
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, Hubei Key Laboratory of Materials Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
- State Key Laboratory of Material Processing and Die & Mould Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Huamin Zhou
- State Key Laboratory of Material Processing and Die & Mould Technology, Huazhong University of Science and Technology, Wuhan 430074, China
| | - Xiaolin Xie
- Key Laboratory of Material Chemistry for Energy Conversion and Storage, Ministry of Education, Hubei Engineering Research Center for Biomaterials and Medical Protective Materials, Hubei Key Laboratory of Materials Chemistry and Service Failure, School of Chemistry and Chemical Engineering, Huazhong University of Science and Technology, Wuhan 430074, China
- State Key Laboratory of Material Processing and Die & Mould Technology, Huazhong University of Science and Technology, Wuhan 430074, China
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95
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Fluoride-selective chemosensor based on an anion imprinted fluorescent polymer. Polyhedron 2022. [DOI: 10.1016/j.poly.2022.116033] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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96
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Mommer S, Wezenberg SJ. Anion-Induced Reversible Actuation of Squaramide-Crosslinked Polymer Gels. ACS APPLIED MATERIALS & INTERFACES 2022; 14:43711-43718. [PMID: 36099444 PMCID: PMC9523616 DOI: 10.1021/acsami.2c11136] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Accepted: 09/06/2022] [Indexed: 06/15/2023]
Abstract
Supramolecular anion binding to squaramide crosslinkers in poly(N,N-dimethylacrylamide) gel networks enhances swelling and allows reversible chemically driven actuation. The volume swelling ratio of the gels is shown to depend on both the type of anion and its concentration. 1H NMR and UV-vis titrations with the squaramide crosslinkers reveal a relationship between anion binding affinity and the concentration-dependent swelling behavior. Gel swelling is shown to be reversible, and by embedding a solid support into rod-shaped gels, soft actuators are fabricated that undergo forward and backward bending motion in response to changing anion concentration. The swelling and bending process, which is accompanied by intense green coloration of the gel, is achieved by using only low amounts of crosslinker. This macroscopic actuation achieved by anion binding to specific molecular entities in the polymer network will open new opportunities in the field of chemically responsive materials.
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97
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Böhm S, Vaňura P, Makrlík E. Theoretical DFT study on the interaction of the fluoride anion with dodecabenzylbambus[6]uril. MONATSHEFTE FUR CHEMIE 2022. [DOI: 10.1007/s00706-022-02981-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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98
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Kumari M, Dey K, Bera SK, Lahiri GK. Indazole-Derived Mono-/Diruthenium and Heterotrinuclear Complexes: Switchable Binding Mode, Electronic Form, and Anion Sensing Events. Inorg Chem 2022; 61:16122-16140. [PMID: 36149433 DOI: 10.1021/acs.inorgchem.2c02628] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The article deals with the newer classes of mononuclear: [(acac)2RuIII(H-Iz)(Iz-)] 1, [(acac)2RuIII(H-Iz)2]ClO4 [1]ClO4/[1']ClO4, and [(bpy)2RuII(H-Iz)(Iz-)]ClO4 [2]ClO4, mixed-valent unsymmetric dinuclear: [(acac)2RuIII(μ-Iz-)2RuII(bpy)2]ClO4 [3]ClO4, and heterotrinuclear: [(acac)2RuIII(μ-Iz-)2MII(μ-Iz-)2RuIII(acac)2] (M = Co:4a, Ni:4b, Cu:4c, and Zn:4d) complexes (H-Iz = indazole, Iz- = indazolate, acac = acetylacetonate, and bpy = 2,2'-bipyridine). Structural characterization of all the aforestated complexes established their molecular identities including varying binding modes (Na and Nb donors and 1H-indazole versus 2H-indazole) of the heterocyclic H-Iz/Iz- in the complexes. Unlike [1']ClO4 containing two NH protons at the backface of H-Iz units, the corresponding [1]ClO4 was found to be unstable due to the deprotonation of its positively charged quaternary nitrogen center, and this resulted in the eventual formation of the parent complex 1. A combination of experimental and density functional theory calculations indicated the redox noninnocent feature of Iz- in the complexes along the redox chain. The absence of intervalence charge transfer transition in the near-infrared region of the (Iz-)2-bridged unsymmetric mixed-valent RuIIIRuII state in [3]ClO4 suggested negligible intramolecular electronic coupling corresponding to a class I setup (Robin and Day classification). Heterotrinuclear complexes (4a-4d) exhibited varying spin configurations due to spin-spin interactions between the terminal Ru(III) ions and the central M(II) ion. Though both [3]ClO4 and 4a-4d displayed ligand (Iz-/Iz•)-based oxidation, reductions were preferentially taken place at the bpy and metal (RuIII/RuII) centers, respectively. Unlike 1 or [2]ClO4 containing one free NH proton at the backface of H-Iz, [1']ClO4 with two H-Iz units could selectively and effectively recognize F-, OAc-, and CN- among the tested anions: F-, OAc-, CN-, Cl-, Br-, I-, SCN-, HSO4-, and Η2PΟ4- in CH3CN via intermolecular NH···anion hydrogen bonding interaction. The difference in the sensing feature between [1']ClO4 and 1/[2]ClO4 could be rationalized by their pKa values of 8.4 and 11.3/10.8, respectively.
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Affiliation(s)
- Maya Kumari
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai-400076, India
| | - Krishnendu Dey
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai-400076, India
| | - Sudip Kumar Bera
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai-400076, India
| | - Goutam Kumar Lahiri
- Department of Chemistry, Indian Institute of Technology Bombay, Powai, Mumbai-400076, India
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99
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P CAS, Raveendran AV, Sivakrishna N, Nandi RP. Triarylborane-triphenylamine based luminophore for the mitochondria targeted live cell imaging and colorimetric detection of aqueous fluoride. Dalton Trans 2022; 51:15339-15353. [PMID: 36135598 DOI: 10.1039/d2dt01887j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Bioimaging of subcellular organelles such as mitochondria is crucial for detecting physiological abnormalities induced by fluctuations in the levels of various analytes. Herein, we report the design and synthesis of two novel water-soluble cationic Lewis acid triarylborane-triarylamine conjugates 1 and 2. The optical characteristics of 1 and 2 and their precursor compounds BTPA-NMe2 and BTPA-2NMe2 were evaluated, which show similar absorption and fluorescence spectra, with 1 and 2 exhibiting higher quantum yields of 0.73 and 0.64, respectively, than those of the precursors BTPA-NMe2 and BTPA-2NMe2, indicating the partial disruption of the ICT process and the activation of alternative emission bands in 1 and 2. The live cell imaging ability of compound 2 was examined in HeLa cells using a confocal microscope. Moreover, mitochondrial internalisation using compound 2 was effective and it was found to have high photostability under UV light conditions. Furthermore, compound 2 demonstrated an evident colorimetric response with a colour change to dark yellow in aqueous environments, indicating that it could be used for anion sensing. The spectral changes were observed in UV-visible and fluorescence titration experiments, which were strongly supported by DFT calculations. In short, compound 2 synthesized by us can be exclusively utilized for the selective localization of mitochondria with less cytotoxicity and shows excellent colorimetric response to aqueous inorganic fluoride at levels as low as 0.1 ppm with high selectivity.
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Affiliation(s)
- Chinna Ayya Swamy P
- Main group Organometallics Materials, Supramolecular Chemistry and Catalysis lab, Department of Chemistry, National Institute of Technology, Calicut, India-673601.
| | - Archana V Raveendran
- Main group Organometallics Materials, Supramolecular Chemistry and Catalysis lab, Department of Chemistry, National Institute of Technology, Calicut, India-673601.
| | - Narra Sivakrishna
- Humanities & Sciences, Vallurupalli Nageswara Rao Vignana Jyothi Institute of Engineering and Technology, Hyderabad, India-500090
| | - Rajendra Prasad Nandi
- Inorganic and Physical Chemistry Department, Indian Institute of Science, Bangalore-560 012, India
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100
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Novikov AS, Bolotin DS. Halonium, chalconium, and pnictonium salts as noncovalent organocatalysts: a computational study on relative catalytic activity. Org Biomol Chem 2022; 20:7632-7639. [PMID: 36111866 DOI: 10.1039/d2ob01415g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This theoretical study sheds light on the relative catalytic activity of pnictonium, chalconium, and halonium salts in reactions involving elimination of chloride and electrophilic activation of a carbonyl group. DFT calculations indicate that for cationic aromatic onium salts, values of the electrostatic potential on heteroatom σ-holes gradually increase from pnictogen- to halogen-containing species. The higher values of the potential on the halogen atoms of halonium salts result in the overall higher catalytic activity of these species, but in the case of pnictonium and chalconium cations, weak interactions from the side groups provide an additional stabilization effect on the reaction transition states. Based upon quantum-chemical calculations, the catalytic activity of phosphonium(V) and arsenonium(V) salts is expected to be too low to obtain effective noncovalent organocatalytic compounds, whereas stibonium(V), telluronium(IV) and iodonium(III) salts exhibit higher potential in application as noncovalent organocatalysts.
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Affiliation(s)
- Alexander S Novikov
- Institute of Chemistry, Saint Petersburg State University, Universitetskaya Nab. 7/9, Saint Petersburg, 199034, Russian Federation. .,Infochemistry Scientific Center, ITMO University, Kronverksky Pr. 49, Bldg. A, Saint Petersburg, 197101, Russian Federation
| | - Dmitrii S Bolotin
- Institute of Chemistry, Saint Petersburg State University, Universitetskaya Nab. 7/9, Saint Petersburg, 199034, Russian Federation.
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