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Yuan S, Zhao L, Wang F, Tan L, Wu D. Recent advances of optically active helical polymers as adsorbents and chiral stationary phases for chiral resolution. J Sep Sci 2023; 46:e2300363. [PMID: 37480172 DOI: 10.1002/jssc.202300363] [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: 05/22/2023] [Revised: 07/02/2023] [Accepted: 07/03/2023] [Indexed: 07/23/2023]
Abstract
Chiral resolution is very important and still a big challenge due to different biological activity and same physicochemical property of one pair (R)- and (S)-isomer. There is no doubt that chiral selectors are essentially needed for chiral resolution, which can stereoselectively interact with a pair of isomers. To date, a large amount of optically active helical polymers as chiral selectors have been synthesized via two strategies. First, the target helical polymers are derived from natural polysaccharide such as cellulose and amylose. Second, they can be synthesized by polymerization of chiral monomers. Alternatively, an achiral polymer is prepared first followed by static or dynamic chiral induction. Furthermore, a part of them is harnessed as chiral stationary phases for chromatographic chiral separation and as chiral adsorbents for enantioselective adsorption/crystallization, resulting in good enantioseparation efficiency. In summary, the present review will focus on recent progress of the polymers with optical activity for chiral resolution, especially the literature published in the past 10 years. In addition, development prospects and future challenges of optically active helical polymers will be discussed in detail.
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Affiliation(s)
- Shuyi Yuan
- Jiangsu Key Laboratory of Advanced Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou, P. R. China
| | - Lei Zhao
- Jiangsu Key Laboratory of Advanced Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou, P. R. China
| | - Fangqin Wang
- Jiangsu Key Laboratory of Advanced Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou, P. R. China
| | - Lilan Tan
- Jiangsu Key Laboratory of Advanced Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou, P. R. China
| | - Datong Wu
- Jiangsu Key Laboratory of Advanced Materials and Technology, School of Petrochemical Engineering, Changzhou University, Changzhou, P. R. China
- Department of Molecular and Macromolecular Chemistry, Graduate School of Engineering, Nagoya University, Nagoya, Japan
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Yu X, Ma Z, Zhu W, Liu H, Zhang Z, Liu Y, Zhang M, Zhao J, Zhang P, Xia C. Tandem Reduction, Ammonolysis, Condensation, and Deamination Reaction for Synthesis of Benzothiadiazines and 1-(Phenylsulfonyl)-1 H-benzimidazoles. J Org Chem 2022; 87:14738-14752. [PMID: 36269195 DOI: 10.1021/acs.joc.2c02071] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
A novel route for a SnCl2-promoted tandem reduction, ammonolysis, condensation, and deamination reaction which uses nitrile and 2-nitro-N-phenylbenzenesulfonamide/N-(2-nitrophenyl)benzenesulfonamide to synthesize derivatives of benzothiadiazine/1-(phenylsulfonyl)-1H-benzimidazole has been developed. The method features convenient operation and good functional group tolerance. In addition, it employs unsensitive and inexpensive SnCl2/i-PrOH as the reaction reagent and provides a direct approach for the synthesis of pharmaceutically important targets.
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Affiliation(s)
- Xiao Yu
- Institute of Pharmacology, Pharmacy College, Shandong First Medical University & Shandong Academy of Medical Sciences, Tai'an 271016, China
| | - Zhihong Ma
- Biotalk Co., Ltd., Shanghai 200092, China
| | - Wenjing Zhu
- Institute of Pharmacology, Pharmacy College, Shandong First Medical University & Shandong Academy of Medical Sciences, Tai'an 271016, China
| | - Hongyan Liu
- Institute of Pharmacology, Pharmacy College, Shandong First Medical University & Shandong Academy of Medical Sciences, Tai'an 271016, China
| | - Zenghui Zhang
- Institute of Pharmacology, Pharmacy College, Shandong First Medical University & Shandong Academy of Medical Sciences, Tai'an 271016, China
| | - Yi Liu
- Institute of Pharmacology, Pharmacy College, Shandong First Medical University & Shandong Academy of Medical Sciences, Tai'an 271016, China
| | - Mei Zhang
- Institute of Pharmacology, Pharmacy College, Shandong First Medical University & Shandong Academy of Medical Sciences, Tai'an 271016, China
| | - Jinbo Zhao
- Institute of Pharmacology, Pharmacy College, Shandong First Medical University & Shandong Academy of Medical Sciences, Tai'an 271016, China
| | - Pengfei Zhang
- College of Material, Chemistry and Chemical Engineering, Key Laboratory of Organosilicon Chemistry and Material Technology, Ministry of Education, Hangzhou Normal University, Hangzhou 311121, China
| | - Chengcai Xia
- Institute of Pharmacology, Pharmacy College, Shandong First Medical University & Shandong Academy of Medical Sciences, Tai'an 271016, China
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Zhang Z, Yang H, Zhong Y, Wang Y, Wang J, Cheng M, Liu Y. Synthesis, Molecular Docking Analysis, and Biological Evaluations of Saccharide-Modified Sulfonamides as Carbonic Anhydrase IX Inhibitors. Int J Mol Sci 2021; 22:ijms222413610. [PMID: 34948406 PMCID: PMC8704611 DOI: 10.3390/ijms222413610] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2021] [Revised: 12/14/2021] [Accepted: 12/15/2021] [Indexed: 11/30/2022] Open
Abstract
Based on the strategy of the “tail approach”, 15 novel saccharide-modified sulfonamides were designed and synthesised. The novel compounds were evaluated as inhibitors of three human carbonic anhydrase (CA) isoforms, namely cytoplasmic CA II, transmembrane CA IX, and XII. Most of these compounds showed good activity against CAs and high topological polar surface area (TPSA) values, which had a positive effect on the selective inhibition of transmembrane isoforms CA IX and XII. In the in vitro activity studies, compounds 16a, 16b, and 16e reduced the viability of HT-29 and MDA-MB-231 cells with a high expression of CA IX under hypoxia. The inhibitory activity of compound 16e on the human osteosarcoma cell line MG-63 with a high expression of CA IX and XII was better than that of AZM. Moreover, high concentrations of compounds 16a and 16b reversed the acidification of the tumour microenvironment. In addition, compound 16a had a certain inhibitory effect on the migration of MDA-MB-231 cells. All the above results indicate that the saccharide-modified sulfonamide has further research value for the development of CA IX inhibitors.
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Zhong H, Deng J. Preparation and Chiral Applications of Optically Active Polyamides. Macromol Rapid Commun 2021; 42:e2100341. [PMID: 34347330 DOI: 10.1002/marc.202100341] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Revised: 07/05/2021] [Indexed: 12/24/2022]
Abstract
Chirality is omnipresent in nature and plays vital roles in living organism, and has become a hot research topic across multidisciplinary fields including chemistry, biology, physics, and material science. Meanwhile, polyamides constitute an important class of polymers and have received significant attention owing to their outstanding properties and wide-ranging applications in many areas. Judiciously introducing chirality into polyamides will undoubtedly obtain attractive chiral polymers, namely, optically active polyamides. This review describes the preparation methods of chiral polyamides, including solution polycondensation, interfacial polycondensation, ring-open polymerization, and others; the newly emerging categories of chiral polyamides, i.e., helical polyamides, chiral polyamide-imides, are also presented. The applications of optically active polyamides in chiral research fields including asymmetric catalysis, membrane separation, and enantioselective crystallization are also summarized. In addition, current challenges in chiral polyamides are further presented and future perspectives in the field are proposed.
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Affiliation(s)
- Hai Zhong
- State Key Laboratory of Chemical Resource Engineering and College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
| | - Jianping Deng
- State Key Laboratory of Chemical Resource Engineering and College of Materials Science and Engineering, Beijing University of Chemical Technology, Beijing, 100029, China
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Akhdar A, Gautier A, Hjelmgaard T, Faure S. N-Alkylated Aromatic Poly- and Oligoamides. Chempluschem 2021; 86:298-312. [PMID: 33620768 DOI: 10.1002/cplu.202000825] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2020] [Revised: 02/15/2021] [Indexed: 01/18/2023]
Abstract
N-alkylated aromatic poly- and oligoamides are a particular class of abiotic foldamers that is deprived of the capability of forming intramolecular hydrogen-bonding networks to stabilize their tri-dimensional structure. The alkylation of the backbone amide nitrogen atoms greatly increases the chemical diversity accessible for aromatic poly- and oligoamides. However, the nature and the conformational preferences of the N,N-disubstituted amides profoundly modify the folding properties of these aromatic poly- and oligoamides. In this Review, representative members of this class of aromatic poly- and oligoamides will be highlighted, among them N-alkylated phenylene terephthalamides, benzanilides, pyridylamides, and aminomethyl benzamide oligomers. The principal synthetic pathways to the main classes of N-alkylated aromatic polyamides with narrow to broad molecular-weight distribution, or oligoamides with specific sequences, will be detailed and their foldameric properties will be discussed. The Review will end by describing the few applications reported to date and future prospects for the field.
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Affiliation(s)
- Ayman Akhdar
- Université Clermont Auvergne, CNRS, SIGMA Clermont, ICCF, 63000, Clermont-Ferrand, France
| | - Arnaud Gautier
- Université Clermont Auvergne, CNRS, SIGMA Clermont, ICCF, 63000, Clermont-Ferrand, France
| | - Thomas Hjelmgaard
- Rockwool International A/S, Hovedgaden 584, 2640, Hedehusene, Denmark
| | - Sophie Faure
- Université Clermont Auvergne, CNRS, SIGMA Clermont, ICCF, 63000, Clermont-Ferrand, France
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Kleman AF, Dufek DL, Fobe TL, McCaslin DR, Cary BP, Shirts MR, Gellman SH. Potential Foldamers Based on an ortho-Terphenyl Amino Acid. Org Lett 2021; 23:4855-4859. [PMID: 34077213 DOI: 10.1021/acs.orglett.1c01592] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
We describe the synthesis and characterization of a new class of oligomers built from a terphenyl-based amino acid. These oligomeric amides are of interest because the adoption of specific conformations could potentially be driven by the coordinated formation of inter-residue hydrogen bonds and aromatic interactions. Although high-resolution structural data have proven inaccessible, circular dichroism and nuclear magnetic resonance studies suggest that the new oligomers fold concomitantly with discrete self-association in chloroform.
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Affiliation(s)
- Adam F Kleman
- Department of Chemistry, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
| | - Deseree L Dufek
- Department of Chemistry, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
| | - Theodore L Fobe
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, Colorado 80309, United States
| | - Darrell R McCaslin
- Department of Biochemistry, Biophysics Instrumentation Facility, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
| | - Brian P Cary
- Department of Chemistry, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
| | - Michael R Shirts
- Department of Chemical and Biological Engineering, University of Colorado Boulder, Boulder, Colorado 80309, United States
| | - Samuel H Gellman
- Department of Chemistry, University of Wisconsin-Madison, Madison, Wisconsin 53706, United States
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Ozcelik A, Pereira-Cameselle R, Alonso-Gómez JL. From Allenes to Spirobifluorenes: On the Way to Device-compatible Chiroptical Systems. CURR ORG CHEM 2020. [DOI: 10.2174/1385272824999201013164534] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
The last decade has seen a huge growth in the construction of chiral systems to
expand the scope of chiroptical applications. Dependence of chiroptical response on molecular
conformation typically leads to low chiroptical intensities of chiral systems that feature
several conformations in solution. In this respect, allenes were employed for the preparation
of open and cyclic oligomers as well as molecular cages, presenting remarkable chiroptical
responses in solution. Their molecular chirality was also transferred to metal surfaces, yet
photoisomerization of allenes limited their further exploration. In search of a more robust
chiral axis, theoretical and experimental studies confirmed that spirobifluorenes could give
rise to stable systems with tailored optical and chiroptical properties. Additionally, incorporating
a conformational lock into spirobifluorene cyclic architectures served as an efficient
strategy towards the generation of distinct helical molecular orbitals. This review article outlines our results on developing
device-compatible chiroptical systems through axially chiral allenes and spirobifluorenes. The contribution
from other research groups is presented briefly.
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Affiliation(s)
- Ani Ozcelik
- Department of Organic Chemistry, Faculty of Chemistry, University of Vigo, Vigo, Spain
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Yan Y, Lamport ZA, Kymissis I, Thomas SW. Resistance to Unwanted Photo-Oxidation of Multi-Acene Molecules. J Org Chem 2020; 85:12731-12739. [PMID: 32893633 DOI: 10.1021/acs.joc.0c01890] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Although long acenes remain a key class of π-conjugated molecules for numerous applications, photoinduced oxidation upon exposure of the acene to light, often through sensitization of 1O2, is an important reaction requiring mitigation for most applications. In response to this ongoing challenge, this paper presents a series of four new diarylethynyl-substituted long acenes-three tetracenes and one anthradithiophene-in which the arylene pendants are either benzene, naphthalene, or anthracene. UV/vis and fluorescence spectroscopy reveals that the anthracene-substituted derivatives fluoresce poorly (Φ < 0.01). Although all four long acenes react with 1O2 at expected rates when an external photosensitizer is included and show the expected changes in fluorescence to accompany these reactions, the anthracene-substituted derivatives resist direct photoinduced oxidation. Through a combination of mechanistic experiments, we conclude that rapid nonradiative decay of the anthracene-substituted derivatives, perhaps because of inter-arene torsions that emerge in theoretical geometry optimizations, makes these compounds poor photosensitizers for 1O2 or other reactive oxygen species. This discovery opens new design possibilities for extended acene structures with improved photochemical stability.
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Affiliation(s)
- Yu Yan
- Department of Chemistry, Tufts University, 62 Talbot Avenue, Medford, Massachusetts 02155, United States
| | - Zachary A Lamport
- Department of Electrical Engineering, Columbia University, 500 W. 120th Street, New York, New York 10027, United States
| | - Ioannis Kymissis
- Department of Electrical Engineering, Columbia University, 500 W. 120th Street, New York, New York 10027, United States
| | - Samuel W Thomas
- Department of Chemistry, Tufts University, 62 Talbot Avenue, Medford, Massachusetts 02155, United States
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Kanbayashi N, Saegusa M, Ishido Y, Okamura TA, Onitsuka K. Synthesis of an optically active polymer containing a planar phthalimide backbone by asymmetric polymerization. Polym Chem 2020. [DOI: 10.1039/d0py01073a] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
Abstract
Herein we present the precise design and synthesis of a novel polymer backbone that induces a helical structure through asymmetric polymerization reactions of a phthalimide-based monomer catalyzed by a planar-chiral cyclopentadienyl–ruthenium complex.
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Affiliation(s)
- Naoya Kanbayashi
- Department of Macromolecular Science
- Graduate School of Science
- Osaka University
- Toyonaka
- Japan
| | - Marina Saegusa
- Department of Macromolecular Science
- Graduate School of Science
- Osaka University
- Toyonaka
- Japan
| | - Yuki Ishido
- Department of Macromolecular Science
- Graduate School of Science
- Osaka University
- Toyonaka
- Japan
| | - Taka-aki Okamura
- Department of Macromolecular Science
- Graduate School of Science
- Osaka University
- Toyonaka
- Japan
| | - Kiyotaka Onitsuka
- Department of Macromolecular Science
- Graduate School of Science
- Osaka University
- Toyonaka
- Japan
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