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Ler AAL, Carty MP. DNA Damage Tolerance Pathways in Human Cells: A Potential Therapeutic Target. Front Oncol 2022; 11:822500. [PMID: 35198436 PMCID: PMC8859465 DOI: 10.3389/fonc.2021.822500] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/25/2021] [Accepted: 12/30/2021] [Indexed: 12/26/2022] Open
Abstract
DNA lesions arising from both exogenous and endogenous sources occur frequently in DNA. During DNA replication, the presence of unrepaired DNA damage in the template can arrest replication fork progression, leading to fork collapse, double-strand break formation, and to genome instability. To facilitate completion of replication and prevent the generation of strand breaks, DNA damage tolerance (DDT) pathways play a key role in allowing replication to proceed in the presence of lesions in the template. The two main DDT pathways are translesion synthesis (TLS), which involves the recruitment of specialized TLS polymerases to the site of replication arrest to bypass lesions, and homology-directed damage tolerance, which includes the template switching and fork reversal pathways. With some exceptions, lesion bypass by TLS polymerases is a source of mutagenesis, potentially contributing to the development of cancer. The capacity of TLS polymerases to bypass replication-blocking lesions induced by anti-cancer drugs such as cisplatin can also contribute to tumor chemoresistance. On the other hand, during homology-directed DDT the nascent sister strand is transiently utilised as a template for replication, allowing for error-free lesion bypass. Given the role of DNA damage tolerance pathways in replication, mutagenesis and chemoresistance, a more complete understanding of these pathways can provide avenues for therapeutic exploitation. A number of small molecule inhibitors of TLS polymerase activity have been identified that show synergy with conventional chemotherapeutic agents in killing cancer cells. In this review, we will summarize the major DDT pathways, explore the relationship between damage tolerance and carcinogenesis, and discuss the potential of targeting TLS polymerases as a therapeutic approach.
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Affiliation(s)
- Ashlynn Ai Li Ler
- Biochemistry, School of Biological and Chemical Sciences, The National University of Ireland (NUI) Galway, Galway, Ireland
| | - Michael P. Carty
- Biochemistry, School of Biological and Chemical Sciences, The National University of Ireland (NUI) Galway, Galway, Ireland
- DNA Damage Response Laboratory, Centre for Chromosome Biology, NUI Galway, Galway, Ireland
- *Correspondence: Michael P. Carty,
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Zhang S, Li Y, Qin Z, Tu G, Chen G, Yan A. SAR study on inhibitors of GIIA secreted phospholipase A
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using machine learning methods. Chem Biol Drug Des 2019; 93:666-684. [DOI: 10.1111/cbdd.13470] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2018] [Revised: 12/14/2018] [Accepted: 12/17/2018] [Indexed: 12/24/2022]
Affiliation(s)
- Shengde Zhang
- State Key Laboratory of Chemical Resource EngineeringDepartment of Pharmaceutical EngineeringBeijing University of Chemical Technology Beijing China
| | - Yang Li
- Institute of Science and TechnologyShandong University of Traditional Chinese Medicine Ji'nan Shandong China
| | - Zijian Qin
- State Key Laboratory of Chemical Resource EngineeringDepartment of Pharmaceutical EngineeringBeijing University of Chemical Technology Beijing China
| | - Guipin Tu
- State Key Laboratory of Chemical Resource EngineeringDepartment of Pharmaceutical EngineeringBeijing University of Chemical Technology Beijing China
| | - Guang Chen
- College of Life Science and TechnologyBeijing University of Chemical Technology Beijing China
| | - Aixia Yan
- State Key Laboratory of Chemical Resource EngineeringDepartment of Pharmaceutical EngineeringBeijing University of Chemical Technology Beijing China
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Sarwa KK, Mazumder B, Rudrapal M, Verma VK. Potential of capsaicin-loaded transfersomes in arthritic rats. Drug Deliv 2014; 22:638-46. [DOI: 10.3109/10717544.2013.871601] [Citation(s) in RCA: 43] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
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Shaabani A, Mahyari M, Hajishaabanha F, Mofakham H. Synthesis of fully functionalized iminolactones via an isocyanide-based three-component reaction. JOURNAL OF THE IRANIAN CHEMICAL SOCIETY 2013. [DOI: 10.1007/s13738-013-0386-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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Singh P, Singh IN, Mondal SC, Singh L, Garg VK. Platelet-activating factor (PAF)-antagonists of natural origin. Fitoterapia 2012; 84:180-201. [PMID: 23160091 DOI: 10.1016/j.fitote.2012.11.002] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2012] [Revised: 10/30/2012] [Accepted: 11/04/2012] [Indexed: 01/06/2023]
Abstract
Presently herbal medicines are being used by about 80% of the world population for primary health care as they stood the test of time for their safety, efficacy, cultural acceptability and lesser side effects. The discovery of platelet activating factor antagonists (PAF antagonists) during these decades are going on with different framework, but the researchers led their efficiency in studying in vitro test models. Since it is assumed that PAF play a central role in etiology of many diseases in humans such as asthma, neuronal damage, migraine, cardiac diseases, inflammatory, headache etc. Present days instinctively occurring PAF antagonist exists as a specific grade of therapeutic agents for the humans against these and different diseases either laid hold of immunological or non-immunological types. Ginkgolide, cedrol and many other natural PAF antagonists such as andrographolide, α-bulnesene, cinchonine, piperine, kadsurenone, different Piper species' natural products and marine origin plants extracts or even crude drugs having PAF antagonist properties are being used currently against different inflammatory pathologies. This review is an attempt to summarize the data on PAF and action of natural PAF antagonists on it, which were evaluated by in vivo and in vitro assays.
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Affiliation(s)
- Preeti Singh
- Department of Pharmacology, R.V.N.I. Dadri, Greater Noida, 201301, Uttar Pradesh, India.
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Abstract
Marine sponges continue to attract wide attention from marine natural product chemists and pharmacologists alike due to their remarkable diversity of bioactive compounds. Since the early days of marine natural products research in the 1960s, sponges have notoriously yielded the largest number of new metabolites reported per year compared to any other plant or animal phylum known from the marine environment. This not only reflects the remarkable productivity of sponges with regard to biosynthesis and accumulation of structurally diverse compounds but also highlights the continued interest of marine natural product researchers in this fascinating group of marine invertebrates. Among the numerous classes of natural products reported from marine sponges over the years, alkaloids, peptides, and terpenoids have attracted particularly wide attention due to their unprecedented structural features as well as their pronounced pharmacological activities which make several of these metabolites interesting candidates for drug discovery. This chapter consequently highlights several important groups of sponge-derived alkaloids, peptides, and terpenoids and describes their biological and/or pharmacological properties.
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Ebada SS, Lin W, Proksch P. Bioactive sesterterpenes and triterpenes from marine sponges: occurrence and pharmacological significance. Mar Drugs 2010; 8:313-46. [PMID: 20390108 PMCID: PMC2852841 DOI: 10.3390/md8020313] [Citation(s) in RCA: 114] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/20/2010] [Revised: 02/05/2010] [Accepted: 02/20/2010] [Indexed: 11/30/2022] Open
Abstract
Marine ecosystems (>70% of the planet's surface) comprise a continuous resource of immeasurable biological activities and immense chemical entities. This diversity has provided a unique source of chemical compounds with potential bioactivities that could lead to potential new drug candidates. Many marine-living organisms are soft bodied and/or sessile. Consequently, they have developed toxic secondary metabolites or obtained them from microorganisms to defend themselves against predators [1]. For the last 30-40 years, marine invertebrates have been an attractive research topic for scientists all over the world. A relatively small number of marine plants, animals and microbes have yielded more than 15,000 natural products including numerous compounds with potential pharmaceutical potential. Some of these have already been launched on the pharmaceutical market such as Prialt (ziconotide; potent analgesic) and Yondelis (trabectedin or ET-743; antitumor) while others have entered clinical trials, e.g., alpidin and kahalalide F. Amongst the vast array of marine natural products, the terpenoids are one of the more commonly reported and discovered to date. Sesterterpenoids (C(25)) and triterpenoids (C(30)) are of frequent occurrence, particularly in marine sponges, and they show prominent bioactivities. In this review, we survey sesterterpenoids and triterpenoids obtained from marine sponges and highlight their bioactivities.
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Affiliation(s)
- Sherif S. Ebada
- Institute of Pharmaceutical Biology and Biotechnology, Heinrich-Heine University, Universitaetsstrasse 1, D-40225 Duesseldorf, Germany
- Department of Pharmacognosy and Phytochemistry, Faculty of Pharmacy, Ain-Shams University, Abbasia, Cairo, Egypt
| | - WenHan Lin
- State Key Laboratory of Natural and Biomimetic Drugs, Peking University, Beijing 100083, China; E-Mail:
| | - Peter Proksch
- Institute of Pharmaceutical Biology and Biotechnology, Heinrich-Heine University, Universitaetsstrasse 1, D-40225 Duesseldorf, Germany
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Mouchlis VD, Mavromoustakos TM, Kokotos G. Design of new secreted phospholipase A2 inhibitors based on docking calculations by modifying the pharmacophore segments of the FPL67047XX inhibitor. J Comput Aided Mol Des 2010; 24:107-15. [DOI: 10.1007/s10822-010-9319-7] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2009] [Accepted: 01/21/2010] [Indexed: 10/19/2022]
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Gautam R, Jachak SM. Recent developments in anti-inflammatory natural products. Med Res Rev 2009; 29:767-820. [DOI: 10.1002/med.20156] [Citation(s) in RCA: 301] [Impact Index Per Article: 20.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
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Kamble RR, Belgur SS, Aladkatti R, Khazi IA. Synthesis and Evaluation of Benzophenone Oximes Derivatized with Sydnone as Inhibitors of Secretory Phospholipase A2 with Anti-inflammatory Activity. Chem Pharm Bull (Tokyo) 2009; 57:16-21. [DOI: 10.1248/cpb.57.16] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Gauvin-Bialecki A, Aknin M, Smadja J. 24-O-ethylmanoalide, a manoalide-related sesterterpene from the marine sponge Luffariella cf. variabilis. Molecules 2008; 13:3184-91. [PMID: 19078858 PMCID: PMC6244840 DOI: 10.3390/molecules13123184] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2008] [Revised: 12/05/2008] [Accepted: 12/11/2008] [Indexed: 12/03/2022] Open
Abstract
A new manoalide-related sesterterpene, 24-O-ethylmanoalide (3), was isolated from the Indian Ocean sponge Luffariella cf. variabilis, together with the known compounds manoalide (1), seco-manoalide, manoalide monoacetate and 24-O-methyl-manoalide (2). The structure of compound 3 was elucidated by interpretation of its spectroscopic data.
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Affiliation(s)
- Anne Gauvin-Bialecki
- Université de Réunion, Laboratoire de Chimie des Substances Naturelles et des Sciences des Aliments, 97 715, Saint-Denis, La Réunion, France.
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Aquino M, Bruno I, Riccio R, Gomez-Paloma L. Regioselective Entry to Bromo-γ-hydroxybutenolides: Useful Building Blocks for Assemblying Natural Product-Like Libraries. Org Lett 2006; 8:4831-4. [PMID: 17020314 DOI: 10.1021/ol0618611] [Citation(s) in RCA: 29] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
[reaction: see text] We report a regioselective entry to 3-bromo- and 4-bromo-5-hydroxy-5H-furan-2-ones by photooxidation of 3-bromofuran with a singlet oxygen in the presence of a suitable base. By this procedure, a variety of 3-substituted gamma-hydroxybutenolides have become for the first time easily accessible. Strategies employing these highly functionalized building blocks for the preparation of focused libraries of natural-like molecules are also discussed.
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Affiliation(s)
- M Aquino
- Dipartimento di Scienze Farmaceutiche, Università degli Studi di Salerno, via Ponte Don Melillo, 84084 Fisciano (SA), Italy
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Miyaoka H, Yamanishi M, Mitome H. PLA2 Inhibitory Activity of Marine Sesterterpenoids Cladocorans, Their Diastereomers and Analogues. Chem Pharm Bull (Tokyo) 2006; 54:268-70. [PMID: 16462082 DOI: 10.1248/cpb.54.268] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Inhibition of secretory phospholipase A(2) (sPLA(2)) by cladocorans A and B and their diastereomers almost equaled that of manoalide.
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Affiliation(s)
- Hiroaki Miyaoka
- School of Pharmacy, Tokyo University of Pharmacy and Life Science, Japan.
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Schwartsmann G, Da Rocha AB, Mattei J, Lopes R. Marine-derived anticancer agents in clinical trials. Expert Opin Investig Drugs 2003; 12:1367-83. [PMID: 12882622 DOI: 10.1517/13543784.12.8.1367] [Citation(s) in RCA: 69] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Anticancer agents may be derived either from the isolation of an active lead compound occurring spontaneously in nature or by novel chemical synthesis in the laboratory. There are examples of successful drugs being derived from both sources, which have had a profound impact on the natural history of various types of cancer. The treatment of lymphomas and acute leukaemias with the use of combination chemotherapy, including anthracyclines and vinca alkaloids, are examples of the contribution of nature. In contrast, agents such as 5-fluorouracil, methotrexate and more recently, the humanised anti-CD20 antibody rituximab and the tyrosine kinase inhibitor imatinib are examples of synthetic compounds, which were designed with a clear rationale, that are routinely used in patients with solid tumours and haematological malignancies. Until recently, the tradition in natural product-derived anticancer drug development was to rely almost exclusively on the screening of terrestrial sources (plant extracts and fermentation products) for their cytotoxic properties. Although C-nucleosides obtained from Caribbean sponge were the initial inspiration for the synthesis of antiviral substituted nucleosides and the successful anticancer agent citarabine, active against leukaemias and lymphomas, the contribution of marine compounds as a source of anticancer agents was modest. In recent years, the improvements in the technology of deep-sea collection and aquaculture added to the growing recognition of the tremendous biodiversity present in the marine world, and has contributed to the growing interest of exploring the oceans as a potential source of new anticancer candidates. This is reflected in the number of marine-derived compounds undergoing preclinical and early clinical development. In this paper, the authors discuss the available literature on anticancer agents that have reached clinical trials, such as didemnin B, aplidine, dolastatin-10, bryostatin-1 and ecteinascidin-743 (ET-743, trabectedin), as well as other promising compounds still undergoing tests in the laboratory.
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Affiliation(s)
- Gilberto Schwartsmann
- Hospital de Clinicas de Porto Alegre, Universidade Federal do Rio Grande do Sul, Porto Alegre, Brazil.
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Abstract
[reaction: see text] The most recently described member of the cacospongionolide class of marine natural products has been assembled using a diastereochemically divergent total synthesis strategy that independently establishes the complete stereochemistry of cacospongionolide F and provides a new entry toward expansion of this phospholipase A(2) inhibitor chemotype.
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Affiliation(s)
- Damtew Demeke
- Department of Chemistry, University of Minnesota, 207 Pleasant Street SE, Minneapolis, Minnesota 55455, USA
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Structure elucidation of benzopyran-2-ol in solution and in solid state following the reduction of coumarin by DIBAL-H. ACTA ACUST UNITED AC 2001. [DOI: 10.1016/s1387-1609(01)01243-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Posadas I, Terencio MC, Giannini C, D'Auria MV, Payá M. Dysidotronic acid, a new sesquiterpenoid, inhibits cytokine production and the expression of nitric oxide synthase. Eur J Pharmacol 2001; 415:285-92. [PMID: 11275011 DOI: 10.1016/s0014-2999(01)00844-5] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
Abstract
In a previous study, we reported a new bioactive sesquiterpenoid, named dysidotronic acid, to be a potent, selective human synovial phospholipase A(2) inhibitor. Dysidotronic acid is a novel, non-complex manoalide analogue lacking the pyranofuranone ring. We now investigate the effect of this compound on cytokine, nitric oxide and prostanoid generation on the mouse macrophage cell line RAW 264.7, where it showed a dose-dependent inhibition with inhibitory concentration 50% values in the micromolar range. This effect was also confirmed in the mouse air pouch injected with zymosan. Dysidotronic acid inhibited the production of tumor necrosis factor alpha and interleukin-1 beta as well as the production of nitric oxide, prostaglandin E(2) and leukotriene B(4). Decreased nitric oxide generation was the consequence of inhibition of the expression of nitric oxide synthase, whereas PGE(2) and LTB(4) reduction was due to inhibition of arachidonic acid bioavailability through a direct inhibitory effect of dysodotronic acid on secretory phospholipase A(2).
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Affiliation(s)
- I Posadas
- Departamento de Farmacología, Facultad de Farmacia, Universidad de Valencia, Spain
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De Rosa M, Soriente A, Scettri A. Enantioselective aldol condensation of O-silyl dienolates to aldehydes mediated by chiral BINOL–titanium complexes. ACTA ACUST UNITED AC 2000. [DOI: 10.1016/s0957-4166(00)00259-7] [Citation(s) in RCA: 42] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Soriente A, Crispino A, De Rosa M, De Rosa S, Scettri A, Scognamiglio G, Villano R, Sodano G. Stereochemistry of Antiinflammatory Marine Sesterterpenes. European J Org Chem 2000. [DOI: 10.1002/(sici)1099-0690(200003)2000:6<947::aid-ejoc947>3.0.co;2-u] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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de Rosa M, Solladié-Cavallo A, Scettri A. A three-step and enantioselective synthesis of (−)-(S)- or (+)-(R)-2-(furan-3-yl)-3,6-dihydro-2H-pyrans. Tetrahedron Lett 2000. [DOI: 10.1016/s0040-4039(99)02337-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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De Rosa M, Soriente A, Sodano G, Scettri A. Enantioselective Synthesis of Pyranofuranone Moieties of Manoalide and Cacospongionolide B by Enzymatic and Chemical Approach. Tetrahedron 2000. [DOI: 10.1016/s0040-4020(00)00122-8] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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Soriente A, De Rosa M, Apicella A, Scettri A, Sodano G. First enantioselective synthesis of manoalide: application of aldehyde–dioxinone enantioselective condensation. ACTA ACUST UNITED AC 1999. [DOI: 10.1016/s0957-4166(99)00529-7] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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De Rosa M, Dell'Aglio R, Soriente A, Scettri A. Efficient synthesis of chiral non-racemic 6-(furan-3-yl)-5,6-dihydro-pyran-2-ones. ACTA ACUST UNITED AC 1999. [DOI: 10.1016/s0957-4166(99)00396-1] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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