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Xiao JX, Li FX, Ren SJ, Qu J. Studies on the Biomimetic Synthesis of Marine Ladder Polyethers via Endo-Selective Epoxide-to-Epoxonium Ring-Opening Cascades. Angew Chem Int Ed Engl 2024; 63:e202403597. [PMID: 38752455 DOI: 10.1002/anie.202403597] [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: 02/21/2024] [Indexed: 07/16/2024]
Abstract
Marine ladder polyethers have attracted the attention of chemists and biologists because of their potent biological activities. Synthetic chemists have attempted to construct their polyether frameworks by epoxide ring-opening cascades, as Nakanishi hypothesis describes. However, Baldwin's rules of ring closure state that exo-selective intramolecular cyclization of epoxy alcohols is preferred over endo-selective cyclization. Herein, we investigated epoxide ring-opening cascades of polyepoxy alcohols in [EMIM]BF4/PFTB (1-ethyl-3-methylimidazolium tetrafluoroborate /perfluoro-tert-butyl alcohol) and found that all-endo products were formed via epoxide-to-epoxonium ring-opening cyclizations (not restricted by Baldwin's rules, which only apply to intramolecular hydroxyl-to-epoxide cyclizations). We determined that the key factor enabling polyepoxy alcohols to undergo a high proportion of all-endo-selective cyclization was inhibition of exo-selective hydroxyl-to-epoxide cyclization starting from the terminal hydroxyl group of a polyepoxy alcohol. By introducing a slow-release protecting group to the terminal hydroxyl group, we could markedly increase the cyclization yields of polyether fragments with hydrogen atoms at the ring junctions. For the first time, we constructed consecutively fused six-membered-ring and fused seven-, eight-, and nine-membered-ring polyether fragments by epoxide-to-epoxonium ring-opening cyclizations through the addition of a suitable Lewis acid. We also suggest that the biosynthesis of marine ladder polyethers may proceed via epoxide-to-epoxonium ring-opening cyclization of polyepoxide.
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Affiliation(s)
- Jia-Xi Xiao
- College of Chemistry, Nankai University, The State Key Laboratory and Institute of Elemento-Organic Chemistry, Tianjin, 300071, China
| | - Feng-Xing Li
- College of Chemistry, Nankai University, The State Key Laboratory and Institute of Elemento-Organic Chemistry, Tianjin, 300071, China
| | - Shu-Jian Ren
- College of Chemistry, Nankai University, The State Key Laboratory and Institute of Elemento-Organic Chemistry, Tianjin, 300071, China
| | - Jin Qu
- College of Chemistry, Nankai University, The State Key Laboratory and Institute of Elemento-Organic Chemistry, Tianjin, 300071, China
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2
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Kirsch SH, Haeckl FPJ, Müller R. Beyond the approved: target sites and inhibitors of bacterial RNA polymerase from bacteria and fungi. Nat Prod Rep 2022; 39:1226-1263. [PMID: 35507039 DOI: 10.1039/d1np00067e] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Covering: 2016 to 2022RNA polymerase (RNAP) is the central enzyme in bacterial gene expression representing an attractive and validated target for antibiotics. Two well-known and clinically approved classes of natural product RNAP inhibitors are the rifamycins and the fidaxomycins. Rifampicin (Rif), a semi-synthetic derivative of rifamycin, plays a crucial role as a first line antibiotic in the treatment of tuberculosis and a broad range of bacterial infections. However, more and more pathogens such as Mycobacterium tuberculosis develop resistance, not only against Rif and other RNAP inhibitors. To overcome this problem, novel RNAP inhibitors exhibiting different target sites are urgently needed. This review includes recent developments published between 2016 and today. Particular focus is placed on novel findings concerning already known bacterial RNAP inhibitors, the characterization and development of new compounds isolated from bacteria and fungi, and providing brief insights into promising new synthetic compounds.
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Affiliation(s)
- Susanne H Kirsch
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), Helmholtz Centre for Infection Research (HZI), Saarland University Campus, 66123 Saarbrücken, Germany. .,German Centre for Infection Research (DZIF), Partner Site Hannover-Braunschweig, 38124 Braunschweig, Germany
| | - F P Jake Haeckl
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), Helmholtz Centre for Infection Research (HZI), Saarland University Campus, 66123 Saarbrücken, Germany. .,German Centre for Infection Research (DZIF), Partner Site Hannover-Braunschweig, 38124 Braunschweig, Germany
| | - Rolf Müller
- Helmholtz Institute for Pharmaceutical Research Saarland (HIPS), Helmholtz Centre for Infection Research (HZI), Saarland University Campus, 66123 Saarbrücken, Germany. .,German Centre for Infection Research (DZIF), Partner Site Hannover-Braunschweig, 38124 Braunschweig, Germany.,Department of Pharmacy, Saarland University, 66123 Saarbrücken, Germany
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3
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Relay ring-closing metathesis strategies towards the synthesis of the ABC tricycle of Taxol. Tetrahedron 2022. [DOI: 10.1016/j.tet.2022.132630] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
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4
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Kuramochi A, Komine N, Kiyota S, Hirano M. Ru(0)-Catalyzed Synthesis of Borylated-Conjugated Triene Building Blocks by Cross-Dimerization and Their Use in Cross-Coupling Reactions. BULLETIN OF THE CHEMICAL SOCIETY OF JAPAN 2021. [DOI: 10.1246/bcsj.20210163] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Ayumi Kuramochi
- Department of Applied Chemistry, Graduate School of Engineering, Tokyo University of Agriculture and Technology, 2-24-16 Nakacho, Koganei, Tokyo 184-8588, Japan
| | - Nobuyuki Komine
- Department of Applied Chemistry, Graduate School of Engineering, Tokyo University of Agriculture and Technology, 2-24-16 Nakacho, Koganei, Tokyo 184-8588, Japan
| | - Sayori Kiyota
- Department of Applied Chemistry, Graduate School of Engineering, Tokyo University of Agriculture and Technology, 2-24-16 Nakacho, Koganei, Tokyo 184-8588, Japan
| | - Masafumi Hirano
- Department of Applied Chemistry, Graduate School of Engineering, Tokyo University of Agriculture and Technology, 2-24-16 Nakacho, Koganei, Tokyo 184-8588, Japan
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5
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Rivas A, Areal A, Mora P, Álvarez R, de Lera AR. Synthesis of Symmetrical and Nonsymmetrical Polyenes by Iterative and Bidirectional Palladium-Catalyzed Cross-Coupling Reactions. Chemistry 2020; 26:13543-13567. [PMID: 32267574 DOI: 10.1002/chem.202000624] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2020] [Revised: 04/08/2020] [Indexed: 11/06/2022]
Abstract
Bifunctional unsaturated reagents designed to undergo palladium-catalyzed cross-coupling reactions with complementary polyenyl connective fragments are highly useful for the undoubtedly challenging synthesis of polyenes. The current toolkit of building blocks for the bidirectional formation of Csp2 -Csp2 single bonds of polyenes includes homo-bisfunctionalized reagents with equal or unequal reactivity (due to steric and/or electronic factors), and hetero-bisfunctionalized counterparts containing either two different nucleophiles, two electrophiles or one of these functionalities and a latent nucleophile that can be unmasked when desired. The combination of these bifunctional linchpin reagents using tactics that modulate the reactivity of each terminus in order to achieve the required connection have streamlined the synthesis of polyenes of great complexity using (iterative) cross-coupling methods for Csp2 -Csp2 bond formation. Reaction conditions for the Pd-catalyzed cross-coupling reactions are mild and functional-group-tolerant, and therefore these protocols allow to construct the polyene structures using shorter unsaturated reactants with the desired geometries, since in general the products preserve the stereochemical information of the connected cross-coupling partners.
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Affiliation(s)
- Aurea Rivas
- Departamento de Química Orgánica, Facultade de Química, CINBIO and IIS Galicia Sur, Universidade de Vigo, 36310, Vigo, Spain
| | - Andrea Areal
- Departamento de Química Orgánica, Facultade de Química, CINBIO and IIS Galicia Sur, Universidade de Vigo, 36310, Vigo, Spain
| | - Paula Mora
- Departamento de Química Orgánica, Facultade de Química, CINBIO and IIS Galicia Sur, Universidade de Vigo, 36310, Vigo, Spain
| | - Rosana Álvarez
- Departamento de Química Orgánica, Facultade de Química, CINBIO and IIS Galicia Sur, Universidade de Vigo, 36310, Vigo, Spain
| | - Angel R de Lera
- Departamento de Química Orgánica, Facultade de Química, CINBIO and IIS Galicia Sur, Universidade de Vigo, 36310, Vigo, Spain
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6
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Wingen LM, Rausch M, Schneider T, Menche D. Synthesis of Tetramic Acid Fragments Derived from Vancoresmycin Showing Inhibitory Effects towards S. aureus. ChemMedChem 2020; 15:1390-1393. [PMID: 32497343 PMCID: PMC7496136 DOI: 10.1002/cmdc.202000241] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2020] [Indexed: 11/28/2022]
Abstract
An efficient route to various vancoresmycin‐type tetramic acids has been developed. The modular route is based on an effective Fries‐type rearrangement to introduce various appending acetyl residues. The minimum inhibitory concentration (MIC) values of the new tetramic acids against Staphylococcus aureus and Escherichia coli were determined, revealing that three of the new compounds exhibit antimicrobial activity against S. aureus. These bioactive compounds were structurally most closely related to the authentic vancoresmycin building block. Additionally, the compounds induced a lial‐lux bioreporter, which responds to cell wall stress induced by antibiotics that interfere with the lipid II biosynthesis cycle. These data suggest the tetramic acid moiety to be a part of the vancoresmycin pharmacophore.
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Affiliation(s)
- Lukas Martin Wingen
- Kekulé-Institut für Organische Chemie und Biochemie, Rheinische Friedrich-Wilhelms-Universität Bonn, Gerhard-Domagk-Str. 1, 53121, Bonn, Germany
| | - Marvin Rausch
- Institut für Pharmazeutische Mikrobiologie, Rheinische Friedrich-Wilhelms-Universität Bonn, Meckenheimer Allee 168, 53115, Bonn, Germany.,German Center for Infection Research (DZIF), Partner site, Bonn-Cologne, Bonn, Germany
| | - Tanja Schneider
- Institut für Pharmazeutische Mikrobiologie, Rheinische Friedrich-Wilhelms-Universität Bonn, Meckenheimer Allee 168, 53115, Bonn, Germany
| | - Dirk Menche
- Kekulé-Institut für Organische Chemie und Biochemie, Rheinische Friedrich-Wilhelms-Universität Bonn, Gerhard-Domagk-Str. 1, 53121, Bonn, Germany
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7
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Dethe DH, C B N. Ruthenium-Catalyzed Direct Dehydrogenative Cross-Coupling of Allyl Alcohols and Acrylates: Application to Total Synthesis of Hydroxy β-Sanshool, ZP-Amide I, and Chondrillin. Org Lett 2020; 22:1618-1623. [DOI: 10.1021/acs.orglett.0c00200] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Dattatraya H. Dethe
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur-208016, India
| | - Nagabhushana C B
- Department of Chemistry, Indian Institute of Technology Kanpur, Kanpur-208016, India
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8
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Chen H, Bian Z, Ravichandran V, Li R, Sun Y, Huo L, Fu J, Bian X, Xia L, Tu Q, Zhang Y. Biosynthesis of polyketides by trans-AT polyketide synthases in Burkholderiales. Crit Rev Microbiol 2019; 45:162-181. [PMID: 31218924 DOI: 10.1080/1040841x.2018.1514365] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Widely used as drugs and agrochemicals, polyketides are a family of bioactive natural products, with diverse structures and functions. Polyketides are produced by megaenzymes termed as polyketide synthases (PKSs). PKS biosynthetic pathways are divided into the cis-AT PKSs and trans-AT PKSs; a division based mainly on the absence of an acyltransferase (AT) domain in the trans-AT PKS modules. In trans-AT biosynthesis, the AT activity is contributed via one or several independent proteins, and there are few other characteristics that distinguish trans-AT PKSs from cis-AT PKSs, especially in the formation of the β-branch. The trans-AT PKSs constitute a major PKS pathway, and many are found in Burkholderia species, which are prevalent in the environment and prolific sources of polyketides. This review summarizes studies from 1973 to 2017 on the biosynthesis of natural products by trans-AT PKSs from Burkholderia species.
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Affiliation(s)
- Hanna Chen
- a Shandong University-Helmholtz Institute of Biotechnology, State Key Laboratory of Microbial Technology, School of Life Sciences , Shandong University , Qingdao , People's Republic of China.,b State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Provincial Key Laboratory of Microbial Molecular Biology, College of Life Science , Hunan Normal University , Changsha , People's Republic of China
| | - Zhilong Bian
- a Shandong University-Helmholtz Institute of Biotechnology, State Key Laboratory of Microbial Technology, School of Life Sciences , Shandong University , Qingdao , People's Republic of China
| | - Vinothkannan Ravichandran
- a Shandong University-Helmholtz Institute of Biotechnology, State Key Laboratory of Microbial Technology, School of Life Sciences , Shandong University , Qingdao , People's Republic of China
| | - Ruijuan Li
- a Shandong University-Helmholtz Institute of Biotechnology, State Key Laboratory of Microbial Technology, School of Life Sciences , Shandong University , Qingdao , People's Republic of China
| | - Yi Sun
- c Institute of Chinese Materia Medica , China Academy of Chinese Medical Sciences , Beijing , People's Republic of China
| | - Liujie Huo
- a Shandong University-Helmholtz Institute of Biotechnology, State Key Laboratory of Microbial Technology, School of Life Sciences , Shandong University , Qingdao , People's Republic of China
| | - Jun Fu
- a Shandong University-Helmholtz Institute of Biotechnology, State Key Laboratory of Microbial Technology, School of Life Sciences , Shandong University , Qingdao , People's Republic of China
| | - Xiaoying Bian
- a Shandong University-Helmholtz Institute of Biotechnology, State Key Laboratory of Microbial Technology, School of Life Sciences , Shandong University , Qingdao , People's Republic of China
| | - Liqiu Xia
- b State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Provincial Key Laboratory of Microbial Molecular Biology, College of Life Science , Hunan Normal University , Changsha , People's Republic of China
| | - Qiang Tu
- a Shandong University-Helmholtz Institute of Biotechnology, State Key Laboratory of Microbial Technology, School of Life Sciences , Shandong University , Qingdao , People's Republic of China
| | - Youming Zhang
- a Shandong University-Helmholtz Institute of Biotechnology, State Key Laboratory of Microbial Technology, School of Life Sciences , Shandong University , Qingdao , People's Republic of China.,b State Key Laboratory of Developmental Biology of Freshwater Fish, Hunan Provincial Key Laboratory of Microbial Molecular Biology, College of Life Science , Hunan Normal University , Changsha , People's Republic of China
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9
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Polyene Macrolide Antibotic Derivatives: Preparation, Overcoming Drug Resistance, and Prospects for Use in Medical Practice (Review). Pharm Chem J 2019. [DOI: 10.1007/s11094-019-01922-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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10
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Vincent CT, Long ET, Jones HC, Young JC, Spiegel PC, O'Neil GW. Suzuki coupling-based synthesis of VATPase inhibitor archazolid natural product derived fragments. RSC Adv 2019; 9:32210-32218. [PMID: 35530773 PMCID: PMC9072946 DOI: 10.1039/c9ra07050h] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2019] [Revised: 10/29/2019] [Accepted: 10/02/2019] [Indexed: 11/21/2022] Open
Abstract
An archazolid natural product fragment that displays dose-dependent inhibition of the vacuolar-type ATPase (VATPase) has been synthesized by a high-yielding Suzuki coupling of two complex subunits. Similarly, a further simplified fragment was prepared and evaluated for VATPase inhibitory activity. This compound did inhibit the VATPase, as evidenced by growth inhibition of etiolated Arabidopsis seedlings, however at approximately 10× lower potency than the more complex fragment. Cyclooxygenase (COX) enzyme inhibition was not observed for either fragment. An archazolid natural product fragment that displays dose-dependent inhibition of the vacuolar-type ATPase (VATPase) has been synthesized by a high-yielding Suzuki coupling of two complex subunits.![]()
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Affiliation(s)
- Cooper T. Vincent
- Department of Chemistry
- Western Washington University
- Bellingham
- USA 98229
| | - Evan T. Long
- Department of Chemistry
- Western Washington University
- Bellingham
- USA 98229
| | - Holly C. Jones
- Department of Chemistry
- Western Washington University
- Bellingham
- USA 98229
| | - Jeffrey C. Young
- Department of Biology
- Western Washington University
- Bellingham
- USA 98229
| | - P. Clint Spiegel
- Department of Chemistry
- Western Washington University
- Bellingham
- USA 98229
| | - Gregory W. O'Neil
- Department of Chemistry
- Western Washington University
- Bellingham
- USA 98229
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11
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Hirano M, Kuramochi A, Shimada K, Komine N, Kiyota S, Westcott SA. Catalytic cross-dimerisation giving reactive borylated polyenes toward cross-coupling. Chem Commun (Camb) 2019; 55:10527-10530. [DOI: 10.1039/c9cc05930j] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A series of borylated conjugated trienes and skipped dienes is prepared by Ru-catalysed cross-dimerisation using alkynyl-, dienyl-, and vinyl boronates.
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Affiliation(s)
- Masafumi Hirano
- Department of Applied Chemistry
- Tokyo University of Agriculture and Technology
- 2-24-16 Nakacho
- Koganei
- Japan
| | - Ayumi Kuramochi
- Department of Applied Chemistry
- Tokyo University of Agriculture and Technology
- 2-24-16 Nakacho
- Koganei
- Japan
| | - Keita Shimada
- Department of Applied Chemistry
- Tokyo University of Agriculture and Technology
- 2-24-16 Nakacho
- Koganei
- Japan
| | - Nobuyuki Komine
- Department of Applied Chemistry
- Tokyo University of Agriculture and Technology
- 2-24-16 Nakacho
- Koganei
- Japan
| | - Sayori Kiyota
- Department of Applied Chemistry
- Tokyo University of Agriculture and Technology
- 2-24-16 Nakacho
- Koganei
- Japan
| | - Stephen A. Westcott
- Department of Chemistry and Biochemistry
- Mount Allison University
- Sackville
- Canada
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12
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The structural requirements of histone deacetylase inhibitors: C4-modified SAHA analogs display dual HDAC6/HDAC8 selectivity. Eur J Med Chem 2017; 143:1790-1806. [PMID: 29150330 DOI: 10.1016/j.ejmech.2017.10.076] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2017] [Revised: 10/28/2017] [Accepted: 10/28/2017] [Indexed: 01/29/2023]
Abstract
Histone deacetylase (HDAC) enzymes govern the post-translational acetylation state of lysine residues on protein substrates, leading to regulatory changes in cell function. Due to their role in cancers, HDAC proteins have emerged as promising targets for cancer treatment. Four HDAC inhibitors have been approved as anti-cancer therapeutics, including SAHA (Suberoylanilide hydroxamic acid, Vorinostat, Zolinza). SAHA is a nonselective HDAC inhibitor that targets most of the eleven HDAC isoforms. The nonselectivity of SAHA might account for its clinical side effects, but certainly limits its use as a chemical tool to study cancer-related HDAC cell biology. Herein, the nonselective HDAC inhibitor SAHA was modified at the C4 position of the linker to explore activity and selectivity. Several C4-modified SAHA analogs exhibited dual HDAC6/8 selectivity. Interestingly, (R)-C4-benzyl SAHA displayed 520- to 1300-fold selectivity for HDAC6 and HDAC8 over HDAC1, 2, and 3, with IC50 values of 48 and 27 nM with HDAC6 and 8, respectively. In cellulo testing of the inhibitors was consistent with the observed in vitro selectivity. Docking studies provided a structural rationale for selectivity. The C4-SAHA analogs represent useful chemical tools to understand the role of HDAC6 and HDAC8 in cancer biology and exciting lead compounds for targeting of both HDAC6 and HDAC8 in various cancers.
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13
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Song L, Jenner M, Masschelein J, Jones C, Bull MJ, Harris SR, Hartkoorn RC, Vocat A, Romero-Canelon I, Coupland P, Webster G, Dunn M, Weiser R, Paisey C, Cole ST, Parkhill J, Mahenthiralingam E, Challis GL. Discovery and Biosynthesis of Gladiolin: A Burkholderia gladioli Antibiotic with Promising Activity against Mycobacterium tuberculosis. J Am Chem Soc 2017; 139:7974-7981. [DOI: 10.1021/jacs.7b03382] [Citation(s) in RCA: 63] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Lijiang Song
- Department
of Chemistry, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - Matthew Jenner
- Department
of Chemistry, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - Joleen Masschelein
- Department
of Chemistry, University of Warwick, Coventry CV4 7AL, United Kingdom
| | - Cerith Jones
- Organisms
and Environment Research Division, Cardiff School of Biosciences, Cardiff University, Cardiff CF10 3AT, United Kingdom
| | - Matthew J. Bull
- Organisms
and Environment Research Division, Cardiff School of Biosciences, Cardiff University, Cardiff CF10 3AT, United Kingdom
| | - Simon R. Harris
- Wellcome Trust Sanger Institute, Wellcome Trust Genome Campus, Hinxton, Cambridge CB10 1SA, United Kingdom
| | - Ruben C. Hartkoorn
- Global
Health Institute, Ecole Polytechnique Fédérale de Lausanne, Station 19, 1015 Lausanne, Switzerland
| | - Anthony Vocat
- Global
Health Institute, Ecole Polytechnique Fédérale de Lausanne, Station 19, 1015 Lausanne, Switzerland
| | | | - Paul Coupland
- Organisms
and Environment Research Division, Cardiff School of Biosciences, Cardiff University, Cardiff CF10 3AT, United Kingdom
| | - Gordon Webster
- Organisms
and Environment Research Division, Cardiff School of Biosciences, Cardiff University, Cardiff CF10 3AT, United Kingdom
| | - Matthew Dunn
- Wellcome Trust Sanger Institute, Wellcome Trust Genome Campus, Hinxton, Cambridge CB10 1SA, United Kingdom
| | - Rebecca Weiser
- Organisms
and Environment Research Division, Cardiff School of Biosciences, Cardiff University, Cardiff CF10 3AT, United Kingdom
| | - Christopher Paisey
- Organisms
and Environment Research Division, Cardiff School of Biosciences, Cardiff University, Cardiff CF10 3AT, United Kingdom
| | - Stewart T. Cole
- Global
Health Institute, Ecole Polytechnique Fédérale de Lausanne, Station 19, 1015 Lausanne, Switzerland
| | - Julian Parkhill
- Wellcome Trust Sanger Institute, Wellcome Trust Genome Campus, Hinxton, Cambridge CB10 1SA, United Kingdom
| | - Eshwar Mahenthiralingam
- Organisms
and Environment Research Division, Cardiff School of Biosciences, Cardiff University, Cardiff CF10 3AT, United Kingdom
| | - Gregory L. Challis
- Organisms
and Environment Research Division, Cardiff School of Biosciences, Cardiff University, Cardiff CF10 3AT, United Kingdom
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14
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Polyunsaturated C-Glycosidic 4-Hydroxy-2-pyrone Derivatives: Total Synthesis Shows that Putative Orevactaene Is Likely Identical with Epipyrone A. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201702189] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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15
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Preindl J, Schulthoff S, Wirtz C, Lingnau J, Fürstner A. Polyunsaturated C-Glycosidic 4-Hydroxy-2-pyrone Derivatives: Total Synthesis Shows that Putative Orevactaene Is Likely Identical with Epipyrone A. Angew Chem Int Ed Engl 2017; 56:7525-7530. [DOI: 10.1002/anie.201702189] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2017] [Revised: 04/03/2017] [Indexed: 01/08/2023]
Affiliation(s)
- Johannes Preindl
- Max-Planck-Institut für Kohlenforschung; 45470 Mülheim/Ruhr Germany
| | | | - Conny Wirtz
- Max-Planck-Institut für Kohlenforschung; 45470 Mülheim/Ruhr Germany
| | - Julia Lingnau
- Max-Planck-Institut für Kohlenforschung; 45470 Mülheim/Ruhr Germany
| | - Alois Fürstner
- Max-Planck-Institut für Kohlenforschung; 45470 Mülheim/Ruhr Germany
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16
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Maity S, Kanikarapu S, Marumudi K, Kunwar AC, Yadav JS, Mohapatra DK. Asymmetric Total Synthesis of the Putative Structure of Diplopyrone. J Org Chem 2017; 82:4561-4568. [DOI: 10.1021/acs.joc.7b00086] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Saurabh Maity
- Academy of Scientific and Innovative Research (AcSIR), Mathura Road, New Delhi 110 025, India
| | | | | | | | - Jhillu S. Yadav
- Academy of Scientific and Innovative Research (AcSIR), Mathura Road, New Delhi 110 025, India
| | - Debendra K. Mohapatra
- Academy of Scientific and Innovative Research (AcSIR), Mathura Road, New Delhi 110 025, India
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17
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Pyziak J, Walkowiak J, Marciniec B. Recent Advances in Boron-Substituted 1,3-Dienes Chemistry: Synthesis and Application. Chemistry 2016; 23:3502-3541. [DOI: 10.1002/chem.201602124] [Citation(s) in RCA: 44] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2016] [Indexed: 12/25/2022]
Affiliation(s)
- Jadwiga Pyziak
- Centre for Advanced Technologies; Adam Mickiewicz University in Poznań; Umultowska 89c 61-614 Poznań Poland
| | - Jędrzej Walkowiak
- Centre for Advanced Technologies; Adam Mickiewicz University in Poznań; Umultowska 89c 61-614 Poznań Poland
| | - Bogdan Marciniec
- Centre for Advanced Technologies; Adam Mickiewicz University in Poznań; Umultowska 89c 61-614 Poznań Poland
- Faculty of Chemistry; Adam Mickiewicz University in Poznań; Umultowska 89c 61-614 Poznań Poland
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18
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A Short and Efficient Approach for the Total Synthesis of (S)-Zearalenone and (R)-De-O-methyllasiodiplodin by Using Stille and RCM Protocols. European J Org Chem 2016. [DOI: 10.1002/ejoc.201501545] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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19
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Bodireddy MR, Mahla RS, Khaja Mohinuddin PM, Reddy GT, Raghava Prasad DV, Kumar H, Reddy NCG. Discovery of a new class of 16-membered (2Z,11Z)-3,11-di(aryl/naphthyl)-1,13-dioxa-5,9-dithia-2,12-diazacyclohexadeca-2,11-dienes as anti-tumor agents. RSC Adv 2016. [DOI: 10.1039/c6ra15140j] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023] Open
Abstract
A series of new 16-membered macrocyclic compounds were synthesized and evaluation of in vitro anti-tumor activities on MDAMB-231 cell lines reveal that the macrocycles, 1a, 1f, 1g, 1i and 1k are promising anti-tumor agents.
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Affiliation(s)
- Mohan Reddy Bodireddy
- Department of Chemistry
- School of Physical Sciences
- Yogi Vemana University
- Kadapa-516 003
- India
| | - Ranjeet Singh Mahla
- Department of Biological Sciences
- Indian Institute of Science Education and Research (IISER)
- Bhopal-462023
- India
| | | | - G. Trivikram Reddy
- Department of Chemistry
- School of Physical Sciences
- Yogi Vemana University
- Kadapa-516 003
- India
| | | | - Himanshu Kumar
- Department of Biological Sciences
- Indian Institute of Science Education and Research (IISER)
- Bhopal-462023
- India
- Laboratory of Host Defense
| | - N. C. Gangi Reddy
- Department of Chemistry
- School of Physical Sciences
- Yogi Vemana University
- Kadapa-516 003
- India
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20
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Synthesis of the all-syn C35–C39 stereopentad of etnangien by the γ-hydroxybutenolide approach. Tetrahedron Lett 2015. [DOI: 10.1016/j.tetlet.2015.03.042] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022]
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21
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The chemistry of the carbon-transition metal double and triple bond: Annual survey covering the year 2013. Coord Chem Rev 2015. [DOI: 10.1016/j.ccr.2014.09.021] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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22
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Cornil J, Guérinot A, Cossy J. Linchpin dienes: key building-blocks in the synthesis of polyenic frameworks. Org Biomol Chem 2015; 13:4129-42. [DOI: 10.1039/c5ob00154d] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
This review focuses on the preparation of dienic linchpin reagents and on their use in the synthesis of polyenic frameworks.
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Affiliation(s)
- J. Cornil
- Laboratoire de Chimie Organique
- Institute of Chemistry
- Biology and Innovation (CBI)
- UMR 8231
- ESPCI ParisTech/CNRS/PSL Research University
| | - A. Guérinot
- Laboratoire de Chimie Organique
- Institute of Chemistry
- Biology and Innovation (CBI)
- UMR 8231
- ESPCI ParisTech/CNRS/PSL Research University
| | - J. Cossy
- Laboratoire de Chimie Organique
- Institute of Chemistry
- Biology and Innovation (CBI)
- UMR 8231
- ESPCI ParisTech/CNRS/PSL Research University
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23
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Seifert T, Malo M, Kokkola T, Engen K, Fridén-Saxin M, Wallén EAA, Lahtela-Kakkonen M, Jarho EM, Luthman K. Chroman-4-one- and Chromone-Based Sirtuin 2 Inhibitors with Antiproliferative Properties in Cancer Cells. J Med Chem 2014; 57:9870-88. [DOI: 10.1021/jm500930h] [Citation(s) in RCA: 82] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Tina Seifert
- Department
of Chemistry and Molecular Biology, Medicinal Chemistry, University of Gothenburg, Kemivagen 10, SE-412
96 Göteborg, Sweden
| | - Marcus Malo
- Department
of Chemistry and Molecular Biology, Medicinal Chemistry, University of Gothenburg, Kemivagen 10, SE-412
96 Göteborg, Sweden
| | - Tarja Kokkola
- School
of Pharmacy, University of Eastern Finland, P.O. Box 1627, 70211 Kuopio, Finland
| | - Karin Engen
- Department
of Chemistry and Molecular Biology, Medicinal Chemistry, University of Gothenburg, Kemivagen 10, SE-412
96 Göteborg, Sweden
| | - Maria Fridén-Saxin
- Department
of Chemistry and Molecular Biology, Medicinal Chemistry, University of Gothenburg, Kemivagen 10, SE-412
96 Göteborg, Sweden
| | - Erik A. A. Wallén
- Division
of Pharmaceutical Chemistry and Technology, Faculty of Pharmacy, University of Helsinki, FIN-00014 Helsinki, Finland
| | | | - Elina M. Jarho
- School
of Pharmacy, University of Eastern Finland, P.O. Box 1627, 70211 Kuopio, Finland
| | - Kristina Luthman
- Department
of Chemistry and Molecular Biology, Medicinal Chemistry, University of Gothenburg, Kemivagen 10, SE-412
96 Göteborg, Sweden
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24
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Bosque I, Foubelo F, Gonzalez-Gomez JC. A general protocol to afford enantioenriched linear homoprenylic amines. Org Biomol Chem 2014; 11:7507-15. [PMID: 24084848 DOI: 10.1039/c3ob41804a] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
The reaction of a readily obtained chiral branched homoprenylamonium salt with a range of aldehydes, including aliphatic substrates, affords the corresponding linear isomers in good yields and enantioselectivities.
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Affiliation(s)
- Irene Bosque
- Departamento de Química Orgánica, Facultad de Ciencias and Instituto de Síntesis Orgánica (ISO), Universidad de Alicante, Apdo. 99, 03080 Alicante, Spain.
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25
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Abstract
Covering: up to the end of 2013. Myxobacteria produce a vast range of structurally diverse natural products with prominent biological activities. Here, we provide a detailed description and judge the potential of all antibiotically active myxobacterial compounds as lead structures, pointing out their particularities and, if known, their mode of action. Thus, the review provides an overview of the potential of specific compounds, suitable for future investigations and possible clinical applications.
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Affiliation(s)
- Till F Schäberle
- Institute for Pharmaceutical Biology, University of Bonn, Nussallee 6, 53115 Bonn, Germany.
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27
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Symkenberg G, Kalesse M. Structure Elucidation and Total Synthesis of Kulkenon. Angew Chem Int Ed Engl 2014; 53:1795-8. [DOI: 10.1002/anie.201309386] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2013] [Indexed: 11/11/2022]
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28
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Herkommer D, Schmalzbauer B, Menche D. Sequential catalysis for stereoselective synthesis of complex polyketides. Nat Prod Rep 2014; 31:456-67. [DOI: 10.1039/c3np70093c] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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