1
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Dong L, Wu J, Zhu X. Preparation of amino acid chiral ionic liquid and visual chiral recognition of glutamine and phenylalanine enantiomers. Chirality 2024; 36:e23665. [PMID: 38570326 DOI: 10.1002/chir.23665] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2023] [Revised: 03/08/2024] [Accepted: 03/08/2024] [Indexed: 04/05/2024]
Abstract
In this paper, the amino acid chiral ionic liquid (AACIL) was prepared with L-phenylalanine and imidazole. It was characterized by CD, FT-IR, 1H NMR, and 13C NMR spectrum. The chiral recognition sensor was constructed with AACIL and Cu(II), which exhibited different chiral visual responses (solubility or color difference) to the enantiomers of glutamine (Gln) and phenylalanine (Phe). The effects of solvent, pH, time, temperature, metal ions, and other amino acids on visual chiral recognition were optimized. The minimum concentrations of Gln and Phe for visual chiral recognition were 0.20 mg/ml and 0.28 mg/ml, respectively. The mechanism of chiral recognition was investigated by FT-IR, TEM, SEM, TG, XPS, and CD. The location of the host-guest inclusion or molecular placement has been conformationally searched based on Gaussian 09 software.
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Affiliation(s)
- Luzheng Dong
- College of Chemistry and Chemical Engineering, Guangling College, Yangzhou University, Yangzhou, China
| | - Jun Wu
- College of Chemistry and Chemical Engineering, Guangling College, Yangzhou University, Yangzhou, China
| | - Xiashi Zhu
- College of Chemistry and Chemical Engineering, Guangling College, Yangzhou University, Yangzhou, China
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2
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Lehmann P, Jopp S. Excellence in Acrylation - Scope and Limitation of Glucosyl Imidazolium-coated Novozym 435 Catalyzed (Meth)acryl Ester Synthesis. Chem Asian J 2024; 19:e202300918. [PMID: 38010632 DOI: 10.1002/asia.202300918] [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: 10/17/2023] [Revised: 11/20/2023] [Accepted: 11/24/2023] [Indexed: 11/29/2023]
Abstract
The incorporation of carbohydrate based ionic liquids as a support for Novozym 435 was previously studied by the authors for the acrylation of n-butanol as the target substrate, which was used as the foundation for the design of experiments. The combination of carbohydrate based ionic liquids and Novozym 435 remains a key aspect of this work. Building upon this, the reaction parameters were optimized for the Novozym catalyst. Substrate screening was performed to explore the scope and limitations of room temperature acrylation reactions. Herein, different alcohols and reaction conditions were screened extensively for the different acrylate products with yields of up to 99.9 % determined via gas chromatography (GC). Standard straight chain alcohols, 2-functionalized ethanol derivatives with electron donating and withdrawing groups, and more sterically challenging substrates were investigated over a broad concentration region. To further underline the applicability of the modified biocatalyst, two alcohols were converted with methacrylic acid. The presented method offers a greener pathway for acrylate synthesis, which eliminates the need for high reaction temperatures, strongly acidic catalysts and/or polymerization inhibitors as used in non-biocatalytic acrylate synthesis.
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Affiliation(s)
- Paul Lehmann
- Institute of Chemistry, University of Rostock, Albert-Einstein-Str. 3a, 18059, Rostock, Germany
| | - Stefan Jopp
- Department Life, Light & Matter, University of Rostock, Albert-Einstein-Str. 25, 18059, Rostock, Germany
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3
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Raia G, Marullo S, Lazzara G, Cavallaro G, Marino S, Cancemi P, D’Anna F. Upcycling of Poly(lactic acid) Waste: A Valuable Strategy to Obtain Ionic Liquids. ACS SUSTAINABLE CHEMISTRY & ENGINEERING 2023; 11:17870-17880. [PMID: 38130846 PMCID: PMC10732281 DOI: 10.1021/acssuschemeng.3c07024] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 10/31/2023] [Revised: 11/20/2023] [Accepted: 11/20/2023] [Indexed: 12/23/2023]
Abstract
With the aim to investigate new strategies for upcycling of plastic waste, we performed aminolysis of poly(lactic acid) (PLA), using N,N-dimethylethylenediamine (DMEDA), N,N-dimethylpropylenediamine (DMPDA), and 3-aminopropylimidazole (API) as nucleophiles. The N-substituted lactamides obtained were alkylated by using alkyl halides differing in alkyl chain length, obtaining organic salts that in most cases behaved as ionic liquids (ILs). Both aminolysis of PLA and alkylation of amides were carried out taking into consideration the basic principles of the holistic approach to green chemistry, applied at a laboratory scale, and carefully selecting the nature of the reaction solvent, temperature range, and amount of reagents. Organic salts obtained from the alkylation of N-substituted lactamides were investigated to determine their glass or solid-liquid transitions and their thermal stability. Furthermore, cytotoxicity toward normal lung fibroblasts was also assessed. Data collected show that the proposed strategy represents a valuable protocol to upcycle plastic waste, using it as starting material to obtain alternative solvents of potential industrial relevance.
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Affiliation(s)
- Giovanna Raia
- Dipartimento
STEBICEF, Sezione di Chimica, Università
degli Studi di Palermo, Viale delle Scienze Ed. 17 “S. Cannizzaro”, Palermo 90128, Italy
| | - Salvatore Marullo
- Dipartimento
STEBICEF, Sezione di Chimica, Università
degli Studi di Palermo, Viale delle Scienze Ed. 17 “S. Cannizzaro”, Palermo 90128, Italy
| | - Giuseppe Lazzara
- Dipartimento
di Fisica e Chimica, Università degli
Studi di Palermo, Viale delle Scienze Ed. 17 “S. Cannizzaro”, Palermo 90128, Italy
| | - Giuseppe Cavallaro
- Dipartimento
di Fisica e Chimica, Università degli
Studi di Palermo, Viale delle Scienze Ed. 17 “S. Cannizzaro”, Palermo 90128, Italy
| | - Sefora Marino
- Dipartimento
STEBICEF, Sezione di Biologia Cellulare, Università degli Studi di Palermo, Viale delle Scienze Ed. 16, Palermo 90128, Italy
| | - Patrizia Cancemi
- Dipartimento
STEBICEF, Sezione di Biologia Cellulare, Università degli Studi di Palermo, Viale delle Scienze Ed. 16, Palermo 90128, Italy
| | - Francesca D’Anna
- Dipartimento
STEBICEF, Sezione di Chimica, Università
degli Studi di Palermo, Viale delle Scienze Ed. 17 “S. Cannizzaro”, Palermo 90128, Italy
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4
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Arruda HS, Angolini CFF, Eberlin MN, Pastore GM, Marostica Junior MR. UHPLC-ESI-QTOF-MS/MS Profiling of Phytochemicals from Araticum Fruit ( Annona crassiflora Mart.) and Its Antioxidant Activity. Foods 2023; 12:3456. [PMID: 37761165 PMCID: PMC10528599 DOI: 10.3390/foods12183456] [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: 08/14/2023] [Revised: 09/09/2023] [Accepted: 09/14/2023] [Indexed: 09/29/2023] Open
Abstract
Araticum is a native species of the Brazilian Cerrado with a high potential for exploitation. Several studies have stated that araticum is a rich source of phytochemicals with multifaceted biological actions. However, little information is available regarding the characterization of phytochemicals found in the pulp of this fruit. In this context, this study aimed to carry out a comprehensive characterization of phytochemicals present in the araticum pulp using ultra-high-performance liquid chromatography coupled to a quadrupole time-of-flight mass spectrometer (UHPLC-ESI-QTOF-MS/MS). The antioxidant potential of araticum pulp was also evaluated. UHPLC-ESI-QTOF-MS/MS profiling of the phytochemicals allowed for the identification and annotation of 139 phytochemicals, including organic acids, jasmonates, iridoids, phenolic compounds, alkaloids, annonaceous acetogenins, fatty acid derivatives, and other compounds. Among them, 116 compounds have been found for the first time in araticum pulp. Phenolic compounds and their derivatives represented about 59% of the phytochemicals identified in the extract. Moreover, araticum pulp showed high total phenolic compound content and antioxidant activity. The majority of identified phytochemicals have been associated with key roles in the plant's defense mechanisms against biotic and abiotic stress factors in the Cerrado environment. Furthermore, many of these phytochemicals found in the araticum pulp are already widely recognized for their beneficial effects on human health. Our findings showed that the araticum fruit contains different classes of phytochemicals that exert various biological activities, both in the plant itself and in humans.
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Affiliation(s)
- Henrique Silvano Arruda
- Department of Food Science and Nutrition, School of Food Engineering, University of Campinas, Rua Monteiro Lobato 80, Campinas 13083-862, São Paulo, Brazil; (G.M.P.); (M.R.M.J.)
| | - Célio Fernando Figueiredo Angolini
- Institute of Chemistry, University of Campinas, Rua Josué de Castro s/n, Campinas 13083-970, São Paulo, Brazil; (C.F.F.A.); (M.N.E.)
- Center for Natural and Human Sciences, Federal University of ABC, Avenida dos Estados 5001, Santo André 09210-580, São Paulo, Brazil
| | - Marcos Nogueira Eberlin
- Institute of Chemistry, University of Campinas, Rua Josué de Castro s/n, Campinas 13083-970, São Paulo, Brazil; (C.F.F.A.); (M.N.E.)
- MackMass Laboratory for Mass Spectrometry, School of Engineering, PPGEMN & Mackenzie Institute of Research in Graphene and Nanotechnologies, Mackenzie Presbyterian University, Rua da Consolação 896, São Paulo 01302-907, São Paulo, Brazil
| | - Glaucia Maria Pastore
- Department of Food Science and Nutrition, School of Food Engineering, University of Campinas, Rua Monteiro Lobato 80, Campinas 13083-862, São Paulo, Brazil; (G.M.P.); (M.R.M.J.)
| | - Mario Roberto Marostica Junior
- Department of Food Science and Nutrition, School of Food Engineering, University of Campinas, Rua Monteiro Lobato 80, Campinas 13083-862, São Paulo, Brazil; (G.M.P.); (M.R.M.J.)
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Monaci S, Minudri D, Guazzelli L, Mezzetta A, Mecerreyes D, Forsyth M, Somers A. Lignin-Derivative Ionic Liquids as Corrosion Inhibitors. Molecules 2023; 28:5568. [PMID: 37513439 PMCID: PMC10384825 DOI: 10.3390/molecules28145568] [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: 06/28/2023] [Revised: 07/17/2023] [Accepted: 07/19/2023] [Indexed: 07/30/2023] Open
Abstract
Corrosion is a significant problem that negatively affects a wide range of structures and buildings, resulting in their premature failure, which causes safety hazards and significant economic loss. For this reason, various approaches have been developed to prevent or minimize the effects of corrosion, including corrosion inhibitors. Recently, biobased inhibitors have gained a certain interest thanks to their unique properties, eco-friendliness, and availability. Among all the green precursors, lignin is of particular interest, being a natural polymer that can be obtained from different sources including agricultural residues. Corrosion inhibitors based on ionic liquids (ILs) also present interesting advantages, such as low volatility and high tunability. If combined, it may be possible to obtain new lignin-based ILs that present interesting corrosion inhibitor properties. In this work, the inhibition properties of new biobased lignin ILs and the influence of anions and cations on the corrosion of mild steel in an aqueous solution of 0.01 M NaCl were investigated by Potentiostatic Electrochemical Impedance Spectroscopy (PEIS) and Cyclic Potentiodynamic Polarization (CPP). Moreover, the surface was characterized using SEM, EDS, and optical profilometry. The IL choline syringate showed promising performance, reducing the corrosion current after 24 h immersion in 0.01 M sodium chloride, from 1.66 µA/cm2 for the control to 0.066 µA/cm2 with 10 mM of the IL present. In addition to its performance as a corrosion inhibitor, both components of this IL also meet or exceed the current additional desired properties of such compounds, being readily available, and well tolerated in organisms and the environment.
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Affiliation(s)
- Sharon Monaci
- POLYMAT, University of the Basque Country UPV/EHU, 20018 Donostia-San Sebastian, Spain
- Institute for Frontier Materials, Deakin University, Burwood, VIC 3125, Australia
| | - Daniela Minudri
- POLYMAT, University of the Basque Country UPV/EHU, 20018 Donostia-San Sebastian, Spain
| | - Lorenzo Guazzelli
- Dipartimento di Farmacia, Università di Pisa, Via Bonanno Pisano 33, 56126 Pisa, Italy
| | - Andrea Mezzetta
- Dipartimento di Farmacia, Università di Pisa, Via Bonanno Pisano 33, 56126 Pisa, Italy
| | - David Mecerreyes
- POLYMAT, University of the Basque Country UPV/EHU, 20018 Donostia-San Sebastian, Spain
- Ikerbasque, Basque Foundation for Science, 48009 Bilbao, Spain
| | - Maria Forsyth
- POLYMAT, University of the Basque Country UPV/EHU, 20018 Donostia-San Sebastian, Spain
- Institute for Frontier Materials, Deakin University, Burwood, VIC 3125, Australia
- Ikerbasque, Basque Foundation for Science, 48009 Bilbao, Spain
| | - Anthony Somers
- Institute for Frontier Materials, Deakin University, Burwood, VIC 3125, Australia
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6
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Deng H, Liu C, Xu X, Wu Y, Chen M, Huang Z. Separation of Palladium from Alkaline Cyanide Solutions through Microemulsion Extraction Using Imidazolium Ionic Liquids. Int J Mol Sci 2023; 24:10709. [PMID: 37445887 DOI: 10.3390/ijms241310709] [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: 05/08/2023] [Revised: 06/16/2023] [Accepted: 06/20/2023] [Indexed: 07/15/2023] Open
Abstract
In this paper, three imidazolium-based ionic liquids, viz., 1-butyl-3-undecyl imidazolium bromide ([BUIm]Br), 1-butyl-3-octyl imidazolium bromide ([BOIm]Br), and 1-butyl-3-hexadecyl imidazolium bromide ([BCIm]Br), were synthesized. Three novel microemulsions systems were constructed and then were used to recover Pd (II) from cyanide media. Key extraction parameters such as the concentration of ionic liquids (ILs), equilibration time, phase ratio (RA/O), and pH were evaluated. The [BUIm]Br/n-heptane/n-pentanol/sodium chloride microemulsion system exhibited a higher extraction percentage of Pd (II) than the [BOIm]Br/n-heptane/n-pentanol/sodium chloride and [BCIm]Br/n-heptane/n-pentanol/sodium chloride microemulsion systems. Under the optimal conditions (equilibrium time of 10 min and pH 10), the extraction percentages of these metals were all higher than 98.5% when using the [BUIm]Br/n-heptane/n-pentanol/sodium chloride microemulsion system. Pd(CN)42- was separated through a two-step stripping procedure, in which Fe (III) and Co (III) were first separated using KCl solution, then Pd(CN)42- was stripped using KSCN solution (separation factors of Pd from Fe and Co exceeded 103). After five extraction-recovery experiments, the recovery of Pd (II) through the microemulsion system remained over 90%. The Pd (II) extraction mechanism of the ionic liquid [BUIm]Br was determined to occur via anion exchange, as shown by spectral analysis (UV, FTIR), Job's method, and DFT calculations. The proposed process has potential applications for the comprehensive treatment of cyanide metallurgical wastewater.
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Affiliation(s)
- Hui Deng
- School of Chemical Science and Technology, Yunnan University, Kunming 650091, China
| | - Chali Liu
- School of Chemical Science and Technology, Yunnan University, Kunming 650091, China
| | - Xin Xu
- School of Chemical Science and Technology, Yunnan University, Kunming 650091, China
| | - Yuanyuan Wu
- School of Chemical Science and Technology, Yunnan University, Kunming 650091, China
| | - Muhan Chen
- School of Chemical Science and Technology, Yunnan University, Kunming 650091, China
| | - Zhangjie Huang
- School of Chemical Science and Technology, Yunnan University, Kunming 650091, China
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7
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Grassiri B, Mezzetta A, Maisetta G, Migone C, Fabiano A, Esin S, Guazzelli L, Zambito Y, Batoni G, Piras AM. Betaine- and L-Carnitine-Based Ionic Liquids as Solubilising and Stabilising Agents for the Formulation of Antimicrobial Eye Drops Containing Diacerein. Int J Mol Sci 2023; 24:ijms24032714. [PMID: 36769037 PMCID: PMC9916883 DOI: 10.3390/ijms24032714] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Revised: 01/24/2023] [Accepted: 01/26/2023] [Indexed: 02/04/2023] Open
Abstract
The therapeutic efficacy of topically administered drugs, however powerful, is largely affected by their bioavailability and, thus, ultimately, on their aqueous solubility and stability. The aim of this study was to evaluate the use of ionic liquids (ILs) as functional excipients to solubilise, stabilise, and prolong the ocular residence time of diacerein (DIA) in eye drop formulations. DIA is a poorly soluble and unstable anthraquinone prodrug, rapidly hydrolysed to rhein (Rhe), for the treatment of osteoarthritis. DIA has recently been evaluated as an antimicrobial agent for bacterial keratitis. Two ILs based on natural zwitterionic compounds were investigated: L-carnitine C6 alkyl ester bromide (Carn6), and betaine C6 alkyl ester bromide (Bet6). The stabilising, solubilising, and mucoadhesive properties of ILs were investigated, as well as their cytotoxicity to the murine fibroblast BALB/3T3 clone A31 cell line. Two IL-DIA-based eye drop formulations were prepared, and their efficacy against both Staphylococcus aureus and Pseudomonas aeruginosa was determined. Finally, the eye drops were administered in vivo on New Zealand albino rabbits, testing their tolerability as well as their elimination and degradation kinetics. Both Bet6 and Carn6 have good potential as functional excipients, showing solubilising, stabilising, mucoadhesive, and antimicrobial properties; their in vitro cytotoxicity and in vivo ocular tolerability pave the way for their future use in ophthalmic applications.
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Affiliation(s)
| | - Andrea Mezzetta
- Department of Pharmacy, University of Pisa, 56126 Pisa, Italy
| | - Giuseppantionio Maisetta
- Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, 56126 Pisa, Italy
| | - Chiara Migone
- Department of Pharmacy, University of Pisa, 56126 Pisa, Italy
| | - Angela Fabiano
- Department of Pharmacy, University of Pisa, 56126 Pisa, Italy
| | - Semih Esin
- Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, 56126 Pisa, Italy
- Centre for Instrument Sharing of University of Pisa (CISUP), 56126 Pisa, Italy
| | | | - Ylenia Zambito
- Department of Pharmacy, University of Pisa, 56126 Pisa, Italy
- Research Centre for Nutraceutical and Healthy Foods “NUTRAFOOD”, University of Pisa, 56124 Pisa, Italy
| | - Giovanna Batoni
- Department of Translational Research and New Technologies in Medicine and Surgery, University of Pisa, 56126 Pisa, Italy
- Centre for Instrument Sharing of University of Pisa (CISUP), 56126 Pisa, Italy
| | - Anna Maria Piras
- Department of Pharmacy, University of Pisa, 56126 Pisa, Italy
- Centre for Instrument Sharing of University of Pisa (CISUP), 56126 Pisa, Italy
- Correspondence:
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8
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Ogawa S. Aqueous Sugar-Based Amphiphile Systems: Recent Advances in Phase Behavior and Nanoarchitectonics. J Oleo Sci 2023; 72:489-499. [PMID: 37121675 DOI: 10.5650/jos.ess22391] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/02/2023] Open
Abstract
Currently, numerous fascinating molecular assemblies are used in food, cosmetics, and pharmaceuticals. Sugar-based amphiphiles are representative constituents of these molecular assemblies. Despite numerous studies on these generic compounds, many aspects remain unexplored even in aqueous systems. In this review, molecular assembly studies of sugar-based amphiphiles in aqueous systems are summarized. First, recent advances in molecular assembly studies, including the glassy state of lyotropic and thermotropic liquid crystalline (LC) phases, modulated crystal phases, and coagels consisting of nanofibers of alkyl β-D-glycosides, are presented. Second, research on thermotropic LC phases under desiccated conditions of trehalose fatty acid monoesters to clarify the fundamental behaviors of the glassy state and their use as stabilizers of glass-forming surfactants for pharmaceutical applications are discussed. Several effective X-ray analytical approaches are included to identify or clarify these phenomena, unknown or unsolved for a long time. Third, a comprehensive analysis of vitamin E (tocopherol)-cyclodextrin in aqueous systems is presented. Along with these topics, the importance of investigating stabilizer-free functional components, considered minor components, is highlighted. These unveiled phenomena or concepts will contribute to the development of nanoarchitectonics covering the self-assembly and selforganization of soft molecules.
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Affiliation(s)
- Shigesaburo Ogawa
- Faculty of Bio-industry, Tokyo University of Agriculture, Hokkaido-Okhotsk Campus
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9
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Chiral ionic liquids synthesis and their applications in racemic drug separation and analysis. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.120982] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
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10
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Quintas PY, Fiorentini EF, Llaver M, González RE, Wuilloud RG. State-of-the-art extraction and separation of enantiomers through the application of alternative solvents. Trends Analyt Chem 2022. [DOI: 10.1016/j.trac.2022.116733] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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11
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Recent applications of ionic liquid-based tags in glycoscience. Carbohydr Res 2022; 520:108643. [PMID: 35977445 DOI: 10.1016/j.carres.2022.108643] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2022] [Revised: 07/25/2022] [Accepted: 07/26/2022] [Indexed: 11/22/2022]
Abstract
The functionalization of glycosides with ionic compounds such as ionic liquids provides enhanced polarity for the labelled glycans thanks to the presence of a permanent positive charge. The chemical derivatisation of glycans with ionic liquids constitutes an emerging strategy to boost the detection sensitivity in MS applications. This allows the straightforward monitoring and detection of the presence of labelled glycans in complex matrices and in those cases where very limited amounts of material were available such as in biological samples and chemoenzymatic reactions. The use of ionic liquid based derivatisation agents can be further exploited for the labelling of live cells via metabolic oligosaccharide engineering for the detection of cancer biomarkers and for the tuning of live cells-surface properties with implications in cancer prognosis and progression. In this mini-review we summarise the latest development of the ionic liquid based derivatisation agents in glycoscience focussing on their use for sensitive MS applications.
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12
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Balzano F, Iuliano A, Uccello-Barretta G, Zullo V. Renewable Resources for Enantiodiscrimination: Chiral Solvating Agents for NMR Spectroscopy from Isomannide and Isosorbide. J Org Chem 2022; 87:12698-12709. [PMID: 36075050 PMCID: PMC9552179 DOI: 10.1021/acs.joc.2c01244] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
![]()
A new family of chiral selectors was synthesized in a
single synthetic
step with yields up to 84% starting from isomannide and isosorbide.
Mono- or disubstituted carbamate derivatives were obtained by reacting
the isohexides with electron-donating arylisocyanate (3,5-dimethylphenyl-
or 3,5-dimethoxyphenyl-) and electron-withdrawing arylisocyanate (3,5-bis(trifluoromethyl)phenyl-)
groups to test opposite electronic effects on enantiodifferentiation.
Deeper chiral pockets and derivatives with more acidic protons were
obtained by derivatization with 1-naphthylisocyanate and p-toluenesulfonylisocyanate, respectively. All compounds were
tested as chiral solvating agents (CSAs) in 1H NMR experiments
with rac-N-3,5-dinitrobenzoylphenylglycine
methyl ester in order to determine the influence of different structural
features on the enantiodiscrimination capabilities. Some selected
compounds were tested with other racemic analytes, still leading to
enantiodiscrimination. The enantiodiscrimination conditions were then
optimized for the best CSA/analyte couple. Finally, a 2D- and 1D-NMR
study was performed employing the best performing CSA with the two
enantiomers of the selected analyte, aiming to determine the enantiodiscrimination
mechanism, the stoichiometry of interaction, and the complexation
constant.
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Affiliation(s)
- Federica Balzano
- Dipartimento di Chimica e Chimica Industriale, Università di Pisa, Via Giuseppe Moruzzi, 13, 56124 Pisa, Italy
| | - Anna Iuliano
- Dipartimento di Chimica e Chimica Industriale, Università di Pisa, Via Giuseppe Moruzzi, 13, 56124 Pisa, Italy
| | - Gloria Uccello-Barretta
- Dipartimento di Chimica e Chimica Industriale, Università di Pisa, Via Giuseppe Moruzzi, 13, 56124 Pisa, Italy
| | - Valerio Zullo
- Dipartimento di Chimica e Chimica Industriale, Università di Pisa, Via Giuseppe Moruzzi, 13, 56124 Pisa, Italy
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Zullo V, Grecchi S, Araneo S, Galli M, Arnaboldi S, Micheli L, Mezzetta A, Guazzelli L, Iuliano A, Mussini PR. Electroactive bio-based chiral tweezers:attractive selectors for enantioselective voltammetry. Electrochim Acta 2022. [DOI: 10.1016/j.electacta.2022.141191] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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14
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Garg P, Reddy SR. Biomass‐derived Sugar Ionic Liquid as a Sustainable Organocatalyst: An Efficient Synthesis of Functionalized Dihydropyrano Coumarins. ASIAN J ORG CHEM 2022. [DOI: 10.1002/ajoc.202200322] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Pooja Garg
- Department of Chemistry School of Advanced Sciences Vellore Institute of Technology Vellore 632014 India
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15
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Lehmann P, Jopp S. Novel Glucosylimidazolium Ionic-Liquid-Supported Novozym 435 Catalysts - A Proof of Concept for an Acrylation Reaction. Chemistry 2022; 11:e202200135. [PMID: 35920571 PMCID: PMC9437442 DOI: 10.1002/open.202200135] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Revised: 07/07/2022] [Indexed: 11/07/2022]
Abstract
A series of novel ionic liquids based on glucose was synthesized in high yields in simple two or three-step reaction procedures. These carbohydrate-based ionic liquids were studied and compared to commercially available imidazolium-based ionic liquids as supports for Novozym 435 in the acrylation of n-butanol. A direct correlation between the availability of hydroxy groups and the overall activity as well as an enhanced recyclability of the biocatalyst has been found for the glucose-based ionic liquids.
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Affiliation(s)
- Paul Lehmann
- Institute of ChemistryUniversity of RostockAlbert-Einstein-Str. 3a18059RostockGermany
| | - Stefan Jopp
- Department LifeLight & MatterUniversity of RostockAlbert-Einstein-Str. 2518059RostockGermany
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Mero A, Guglielmero L, D'Andrea F, Pomelli CS, Guazzelli L, Koutsoumpos S, Tsonos G, Stavrakas I, Moutzouris K, Mezzetta A. Influence of the cation partner on levulinate ionic liquids properties. J Mol Liq 2022. [DOI: 10.1016/j.molliq.2022.118850] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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17
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Ghirardello M, Costantini M, Vecchi A, Pacifico S, Pazzi D, Castiglione F, Mele A, Marra A. Synthesis of Chiral Ionic Liquids from Natural Monosaccharides. European J Org Chem 2022. [DOI: 10.1002/ejoc.202200100] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Mattia Ghirardello
- School of Chemistry University of Bristol Cantock's Close Bristol BS8 1TS UK
| | - Maira Costantini
- Dipartimento di Scienze Chimiche e Farmaceutiche Università di Ferrara Via L. Borsari 46 44121 Ferrara Italy
| | - Alessandra Vecchi
- Dipartimento di Scienze Chimiche e Farmaceutiche Università di Ferrara Via L. Borsari 46 44121 Ferrara Italy
| | - Salvatore Pacifico
- Dipartimento di Scienze Chimiche e Farmaceutiche Università di Ferrara Via L. Borsari 46 44121 Ferrara Italy
| | - Daniele Pazzi
- Dipartimento di Scienze Chimiche e Farmaceutiche Università di Ferrara Via L. Borsari 46 44121 Ferrara Italy
| | - Franca Castiglione
- Department of Chemistry Materials and Chemical Engineering “G. Natta“ Politecnico di Milano Piazza L. da Vinci 32 20133 Milano Italy
| | - Andrea Mele
- Department of Chemistry Materials and Chemical Engineering “G. Natta“ Politecnico di Milano Piazza L. da Vinci 32 20133 Milano Italy
| | - Alberto Marra
- Institut des Biomolécules Max Mousseron (IBMM - UMR 5247) Université de Montpellier Pôle Chimie Balard Recherche 1919 Route de Mende 34293 Montpellier cedex 5 France
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Zullo V, Iuliano A, Pescitelli G, Zinna F. Tunable Excimer Circularly Polarized Luminescence in Isohexide Derivatives from Renewable Resources. Chemistry 2022; 28:e202104226. [PMID: 34982485 PMCID: PMC9303411 DOI: 10.1002/chem.202104226] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Indexed: 11/30/2022]
Abstract
Organic compounds showing circularly polarized luminescence (CPL) are at the forefront of novel applications and technologies. Here we show the synthesis and chiroptical properties of pyrene and perylene derivatives of inexpensive chiral scaffolds: isomannide and isosorbide. Low‐intensity ECD spectra were obtained, suggesting the absence of chromophore interaction in the ground state, except in the case of isomannide bis‐perylenecarboxylate, whose ECD spectrum showed a positive exciton couplet. All isomannide derivatives, with the only exception of the one containing a pyrenecarboxylate and a perylenecarboxylate, exhibited excimer CPL spectra, whereas isosorbide derivatives did not show any CPL. Isomannide derivatives bearing two pyrenecarboxylate or two pyrenylacetate groups showed positive CPL emission with dissymmetry factors up to 10−2, which depends on the conformational freedom of the appended units. The CPL sign, Stokes shift and order of magnitude of dissymmetry factor were reproduced by excited‐state calculations on a representative compound. Interestingly, the mixed derivative containing pyrenic units with different spacing from the isomannide scaffold showed an oppositely signed excimer band with respect to the homo‐substituted derivatives.
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Affiliation(s)
- Valerio Zullo
- Dipartimento di Chimica e Chimica Industriale, University of Pisa, Via Moruzzi 13, Pisa, 56124, Italy
| | - Anna Iuliano
- Dipartimento di Chimica e Chimica Industriale, University of Pisa, Via Moruzzi 13, Pisa, 56124, Italy
| | - Gennaro Pescitelli
- Dipartimento di Chimica e Chimica Industriale, University of Pisa, Via Moruzzi 13, Pisa, 56124, Italy
| | - Francesco Zinna
- Dipartimento di Chimica e Chimica Industriale, University of Pisa, Via Moruzzi 13, Pisa, 56124, Italy
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Antimicrobial, Cytotoxic and Mutagenic Activity of Gemini QAS Derivatives of 1,4:3,6-Dianhydro-l-iditol. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27030757. [PMID: 35164023 PMCID: PMC8838521 DOI: 10.3390/molecules27030757] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Revised: 01/10/2022] [Accepted: 01/17/2022] [Indexed: 11/16/2022]
Abstract
A series of quaternary diammonium salts derivatives of 1,4:3,6-dianhydro-l-iditol were synthesized, using isommanide (1,4:3,6-dianhydro-d-mannitol) as a starting material. Both aromatic (pyridine, 4-(N,N-dimethylamino)pyridine (DMAP), (3-carboxamide)pyridine; N-methylimidazole) and aliphatic (trimethylamine, N,N-dimethylhexylamine, N,N-dimethyloctylamine, N,N-dimethyldecylamine) amines were used, giving eight gemini quaternary ammonium salts (QAS). All salts were tested for their antimicrobial activity against yeasts, Candida albicans and Candida glabrata, as well as bacterial Staphylococcus aureus and Escherichia coli reference strains. Moreover, antibacterial activity against 20 isolates of S. aureus collected from patients with skin and soft tissue infections (n = 8) and strains derived from subclinical bovine mastitis milk samples (n = 12) were evaluated. Two QAS with octyl and decyl residues exhibited antimicrobial activity, whereas those with two decyl residues proved to be the most active against the tested pathogens, with MIC of 16-32, 32, and 8 µg/mL for yeast, E. coli, and S. aureus reference and clinical strains, respectively. Only QAS with decyl residues proved to be cytotoxic in MTT assay against human keratinocytes (HaCaT), IC50 12.8 ± 1.2 μg/mL. Ames test was used to assess the mutagenic potential of QAS, and none of them showed mutagenic activity in the concentration range 4-2000 µg/plate.
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Brzęczek-Szafran A, Gaida B, Blacha-Grzechnik A, Matuszek K, Chrobok A. Bioderived Ionic Liquids and Salts with Various Cyano Anions as Precursors for Doped Carbon Materials. Int J Mol Sci 2021; 22:10426. [PMID: 34638766 PMCID: PMC8508855 DOI: 10.3390/ijms221910426] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Revised: 09/22/2021] [Accepted: 09/22/2021] [Indexed: 11/25/2022] Open
Abstract
Carbohydrate moieties were combined with various cross-linkable anions (thiocyanate [SCN], tetracyanoborate [TCB], tricyanomethanide [TCM], and dicyanamide [DCA]) and investigated as precursors for the synthesis of nitrogen-doped and nitrogen-/sulfur-co-doped carbons. The influence of the molecular structures of the precursors on their thermophysical properties and the properties of the derived carbon materials was elucidated and compared to petroleum-derived analogs. A carbohydrate-based ionic liquid featuring an [SCN] anion yielded more carbon residues upon carbonization than its 1-ethyl-3-methylimidazolium analog, and the resulting dual-doping of the derived carbon material translated to enhanced catalytic activity in the oxygen reduction reaction.
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Affiliation(s)
- Alina Brzęczek-Szafran
- Faculty of Chemistry, Silesian University of Technology, Krzywoustego 4, 44-100 Gliwice, Poland; (B.G.); (A.B.-G.); (A.C.)
| | - Bartłomiej Gaida
- Faculty of Chemistry, Silesian University of Technology, Krzywoustego 4, 44-100 Gliwice, Poland; (B.G.); (A.B.-G.); (A.C.)
| | - Agata Blacha-Grzechnik
- Faculty of Chemistry, Silesian University of Technology, Krzywoustego 4, 44-100 Gliwice, Poland; (B.G.); (A.B.-G.); (A.C.)
| | - Karolina Matuszek
- School of Chemistry, Monash University, Clayton, VIC 3800, Australia;
| | - Anna Chrobok
- Faculty of Chemistry, Silesian University of Technology, Krzywoustego 4, 44-100 Gliwice, Poland; (B.G.); (A.B.-G.); (A.C.)
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21
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Szelwicka A, Erfurt K, Jurczyk S, Boncel S, Chrobok A. Outperformance in Acrylation: Supported D-Glucose-Based Ionic Liquid Phase on MWCNTs for Immobilized Lipase B from Candida antarctica as Catalytic System. MATERIALS (BASEL, SWITZERLAND) 2021; 14:3090. [PMID: 34200059 PMCID: PMC8200216 DOI: 10.3390/ma14113090] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 05/16/2021] [Revised: 06/01/2021] [Accepted: 06/02/2021] [Indexed: 12/17/2022]
Abstract
This study presents a highly efficient method of a synthesis of n-butyl acrylate via esterification of acrylic acid and n-butanol in the presence of supported ionic liquid phase (SILP) biocatalyst consisting of the lipase B from Candida antarctica (CALB) and multi-walled carbon nanotubes (MWCNTs) modified by D-glucose-based ionic liquids. Favorable reaction conditions (acrylic acid: n-butanol molar ratio 1:2, cyclohexane as a solvent, biocatalyst 0.150 g per 1 mmol of acrylic acid, temperature 25 °C) allowed the achievement of a 99% yield of n-butyl acrylate in 24 h. Screening of various ionic liquids showed that the most promising result was obtained if N-(6-deoxy-1-O-methoxy-α-D-glucopyranosyl)-N,N,N-trimethylammonium bis-(trifluoromethylsulfonyl)imide ([N(CH3)3GlcOCH3][N(Tf)2]) was selected in order to modify the outer surface of MWCNTs. The final SILP biocatalyst-CNTs-[N(CH3)3GlcOCH3][N(Tf)2]-CALB contained 1.8 wt.% of IL and 4.2 wt.% of CALB. Application of the SILP biocatalyst led to the enhanced activity of CALB in comparison with the biocatalyst prepared via physical adsorption of CALB onto MWCNTs (CNTs-CALB), as well as with commercially available Novozyme 435. Thus, the crucial role of IL in the stabilization of biocatalysts was clearly demonstrated. In addition, a significant stability of the developed biocatalytic system was confirmed (three runs with a yield of ester over 90%).
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Affiliation(s)
- Anna Szelwicka
- Department of Chemical Organic Technology and Petrochemistry, Silesian University of Technology, Krzywoustego 4, 44-100 Gliwice, Poland; (A.S.); (K.E.)
| | - Karol Erfurt
- Department of Chemical Organic Technology and Petrochemistry, Silesian University of Technology, Krzywoustego 4, 44-100 Gliwice, Poland; (A.S.); (K.E.)
| | - Sebastian Jurczyk
- Institute for Engineering of Polymer Materials and Dyes, Lukasiewicz Research Network, Sklodowskiej-Curie 55, 87-100 Torun, Poland;
| | - Slawomir Boncel
- Department of Organic Chemistry, Bioorganic Chemistry and Biotechnology, Silesian University of Technology, Krzywoustego 4, 44-100 Gliwice, Poland
| | - Anna Chrobok
- Department of Chemical Organic Technology and Petrochemistry, Silesian University of Technology, Krzywoustego 4, 44-100 Gliwice, Poland; (A.S.); (K.E.)
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