1
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Synthesis of new trisubstituted hexahydro-isoindole-1,3-dione derivatives regio- and stereoselectivity: spectroscopic and theoretical studies. CHEMICAL PAPERS 2023. [DOI: 10.1007/s11696-022-02657-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
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2
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Strategies for Solubility and Bioavailability Enhancement and Toxicity Reduction of Norcantharidin. Molecules 2022; 27:molecules27227740. [PMID: 36431851 PMCID: PMC9693198 DOI: 10.3390/molecules27227740] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2022] [Revised: 11/01/2022] [Accepted: 11/06/2022] [Indexed: 11/12/2022] Open
Abstract
Cantharidin (CTD) is the main active ingredient isolated from Mylabris, and norcantharidin (NCTD) is a demethylated derivative of CTD, which has similar antitumor activity to CTD and lower toxicity than CTD. However, the clinical use of NCTD is limited due to its poor solubility, low bioavailability, and toxic effects on normal cells. To overcome these shortcomings, researchers have explored a number of strategies, such as chemical structural modifications, microsphere dispersion systems, and nanodrug delivery systems. This review summarizes the structure-activity relationship of NCTD and novel strategies to improve the solubility and bioavailability of NCTD as well as reduce the toxicity. This review can provide evidence for further research of NCTD.
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3
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Lawrenson SB, Pearce AK, Hart S, Whitwood AC, O’Reilly RK, North M. Synthesis of cytotoxic spirocyclic imides from a biomass-derived oxanorbornene. Tetrahedron 2021. [DOI: 10.1016/j.tet.2020.131754] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
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4
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Kılıç Süloğlu A, Selmanoglu G, Gündoğdu Ö, Kishalı NH, Girgin G, Palabıyık S, Tan A, Kara Y, Baydar T. Evaluation of isoindole derivatives: Antioxidant potential and cytotoxicity in the HT-29 colon cancer cells. Arch Pharm (Weinheim) 2020; 353:e2000065. [PMID: 32779211 DOI: 10.1002/ardp.202000065] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 06/30/2020] [Accepted: 07/11/2020] [Indexed: 01/16/2023]
Abstract
Norcantharimides have an isoindole skeleton structure, and some isoindoline derivatives have positive effects on inflammatory pathologies, including cancers. The present study aims to evaluate the antioxidant and cytotoxic potential of four synthesized isoindoline derivatives (NCTD1-4). HT-29 cells exposed to 10, 50, 100, and 200 µM doses of each derivative were incubated for 24 and 48 h, respectively. The cytotoxicity of the new derivatives was analyzed using the cell growth inhibition assay and the cell membrane damage test. In vitro antioxidant activity studies showed that the derivatives have free radical-scavenging effects in a dose-dependent manner. NCTD3 and NCTD4 apparently have antioxidant effects when compared with the control group treated with dimethyl sulfoxide. Furthermore, NCTD4 inhibited the growth of the HT-29 cells due to membrane damage and exhibited a dose-dependent cytotoxic effect on colon adenocarcinoma cells. The findings suggest that NDTD4 has the highest potential for colon cancer treatment and may be interpreted as a candidate anticancer agent.
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Affiliation(s)
- Aysun Kılıç Süloğlu
- Department of Biology, Faculty of Science, Hacettepe University, Ankara, Turkey
| | - Güldeniz Selmanoglu
- Department of Biology, Faculty of Science, Hacettepe University, Ankara, Turkey
| | - Özlem Gündoğdu
- Department of Food Technology, Kaman Vocational School, Ahi Evran University, Kırsehir, Turkey
| | - Nurhan H Kishalı
- Department of Chemistry, Faculty of Science, Atatürk University, Erzurum, Turkey
| | - Gözde Girgin
- Department of Toxicology, Faculty of Pharmacy, Hacettepe University, Ankara, Turkey
| | - Sezin Palabıyık
- Department of Toxicology, Faculty of Pharmacy, Atatürk University, Erzurum, Turkey
| | - Ayşe Tan
- Department of Chemistry, Mus Alparslan University, Muş, Turkey
| | - Yunus Kara
- Department of Chemistry, Faculty of Science, Atatürk University, Erzurum, Turkey
| | - Terken Baydar
- Department of Toxicology, Faculty of Pharmacy, Hacettepe University, Ankara, Turkey
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5
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Hizartzidis L, Gilbert J, Gordon CP, Sakoff JA, McCluskey A. Synthesis and Cytotoxicity of Octahydroepoxyisoindole‐7‐carboxylic Acids and Norcantharidin–Amide Hybrids as Norcantharidin Analogues. ChemMedChem 2019; 14:1152-1161. [DOI: 10.1002/cmdc.201900180] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2019] [Indexed: 01/17/2023]
Affiliation(s)
- Lacey Hizartzidis
- Chemistry, School of Environmental & Life Sciences The University of Newcastle 1 University Drive Callaghan NSW 2308 Australia
| | - Jayne Gilbert
- Experimental Therapeutics Group, Department of Medical Oncology Calvary Mater Hospital Edith Street Waratah NSW 2298 Australia
| | - Christopher P. Gordon
- Chemistry, School of Environmental & Life Sciences The University of Newcastle 1 University Drive Callaghan NSW 2308 Australia
- Present address: Department: School of Science and Health Western Sydney University Locked Bag 1797 Penrith South DC NSW 2750 Australia
| | - Jennette A. Sakoff
- Experimental Therapeutics Group, Department of Medical Oncology Calvary Mater Hospital Edith Street Waratah NSW 2298 Australia
| | - Adam McCluskey
- Chemistry, School of Environmental & Life Sciences The University of Newcastle 1 University Drive Callaghan NSW 2308 Australia
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6
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New phosphate derivatives of betulin as anticancer agents: Synthesis, crystal structure, and molecular docking study. Bioorg Chem 2019; 87:613-628. [PMID: 30947097 DOI: 10.1016/j.bioorg.2019.03.060] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2019] [Revised: 02/27/2019] [Accepted: 03/19/2019] [Indexed: 12/21/2022]
Abstract
Betulin derivatives exhibit an antiproliferative activity and have been tested for many cancer cell lines. This paper describes a new series of 3-phosphate derivatives of betulin bearing different substituents at C28 position. The synthesized compounds were tested in vitro for their antiproliferative effect against human leukemia (MV-4-11 and CCRF/CEM), lung carcinoma (A549), prostate cancer (DU 145), melanoma (Hs 294T) cell lines, and murine leukemia P388. To explore the possible mechanism of anticancer activity for the most in vitro active compounds (4, 5, 7 and 8) and betulin, molecular docking was performed to the binding sites of potential anticancer targets, described for the various triterpene derivatives, including topoisomerase I and II, epidermal growth factor receptor (EGFR) and vascular endothelial growth factor (VEGFR), transcription factor NF-κB, anti-apoptotic protein Bcl-2 and peroxisome proliferator-activated receptor (PPARγ). According to the results of the docking, the best fit to the binding pocket of PPARγ was shown by compound 4.
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7
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Facile Chemical Access to Biologically Active Norcantharidin Derivatives from Biomass. Molecules 2017; 22:molecules22122210. [PMID: 29231880 PMCID: PMC6149738 DOI: 10.3390/molecules22122210] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2017] [Revised: 11/30/2017] [Accepted: 12/07/2017] [Indexed: 01/21/2023] Open
Abstract
Reductive amination of 2,5-diformylfuran (DFF) was used to implement the transition from bio-derived 5-hydroxymethylfurfural (HMF) to pharmaceuticals. The synthesized bis(aminomethyl)furans were utilized as building blocks for the construction of new derivatives with structural cores of naturally occurring biologically active compounds. Using the one-pot procedure, which included the Diels–Alder reaction followed by hydrogenation of the double bond, bio-derived analogues of the anticancer drug norcantharidin were obtained. The cyclization process was diastereoselective, and resulted in the formation of tricyclic products with the endo configuration. Analysis of cytotoxycity for the resulting tricyclic amine-containing compounds showed an increase of anticancer activity as compared with the unsubstituted norcantharimide.
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8
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Seabrooks L, Hu L. Insects: an underrepresented resource for the discovery of biologically active natural products. Acta Pharm Sin B 2017; 7:409-426. [PMID: 28752026 PMCID: PMC5518667 DOI: 10.1016/j.apsb.2017.05.001] [Citation(s) in RCA: 68] [Impact Index Per Article: 9.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2017] [Revised: 04/27/2017] [Accepted: 05/02/2017] [Indexed: 12/22/2022] Open
Abstract
Nature has been the source of life-changing and -saving medications for centuries. Aspirin, penicillin and morphine are prime examples of Nature׳s gifts to medicine. These discoveries catalyzed the field of natural product drug discovery which has mostly focused on plants. However, insects have more than twice the number of species and entomotherapy has been in practice for as long as and often in conjunction with medicinal plants and is an important alternative to modern medicine in many parts of the world. Herein, an overview of current traditional medicinal applications of insects and characterization of isolated biologically active molecules starting from approximately 2010 is presented. Insect natural products reviewed were isolated from ants, bees, wasps, beetles, cockroaches, termites, flies, true bugs, moths and more. Biological activities of these natural products from insects include antimicrobial, antifungal, antiviral, anticancer, antioxidant, anti-inflammatory and immunomodulatory effects.
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10
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Spare LK, Falsetta P, Gilbert J, Harman DG, Baker MA, Li F, McCluskey A, Clegg JK, Sakoff JA, Aldrich-Wright JR, Gordon CP. Cytotoxicity of a Series of Norcantharidin-Inspired Tetrahydroepoxyisoindole Carboxamides. ChemMedChem 2017; 12:130-145. [PMID: 27921386 DOI: 10.1002/cmdc.201600573] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/13/2016] [Revised: 12/04/2016] [Indexed: 01/18/2023]
Abstract
A series of 28 norcantharidin (NorC)-inspired analogues were accessed via a robust two-step Ugi intramolecular Diels-Alder (IMDA) sequence. Four analogues displayed whole-cell cytotoxicity equipotent to that of NorC and cisplatin against a number of cancer cell lines and a normal breast cell line (MCF10A). Notably, (3S,3aS,6R)-2-benzyl-7-methyl-N-(naphthalen-2-yl)-1-oxo-1,2,3,6-tetrahydro-3a,6-epoxyisoindole-3-carboxamide (trans-27) displayed superior whole-cell activity against breast (MCF-7, GI50 =2.9 μm) and colon (HT29, GI50 =6.4 μm) cancer cell lines relative to the control (cisplatin), which elicited respective GI50 values of 6.5 and 11.3 μm against the aforementioned cell lines. This analogue also displayed improved activity relative to NorC across the breast (MCF-7, GI50 =2.9 μm; NorC GI50 =7.5 μm), ovarian (A2780, GI50 =2.2 μm; NorC GI50 =4.4 μm), and neuroblastoma (BE2-C, GI50 =2.2 μm; NorC GI50 =3.7 μm) cancer cell lines. Structure-activity relationship (SAR) investigations demonstrated that retention of sp2 hybridized connections within the tetrahydroepoxyisoindole carboxamide scaffold is crucial, as aromatization to a phenolic functionality decreased activity, whereas removal of a single olefin bond abolished cytotoxicity. Nonetheless, with respect to the latter, use of crotonic acid as opposed 2-butynoic acid in the Ugi-IMDA sequence imparted a significant improvement to diastereoselectivity, with the cis/trans isomer ratio shifting from ≈1:1.2 to ≈0.5:9.5.
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Affiliation(s)
- Lawson K Spare
- School of Science and Health, Western Sydney University, Goldsmith Avenue, Campbelltown, NSW, 2560, Australia
| | - Pasquale Falsetta
- School of Science and Health, Western Sydney University, Goldsmith Avenue, Campbelltown, NSW, 2560, Australia
| | - Jayne Gilbert
- Calvary Mater Newcastle, Waratah, NSW, 2298, Australia
| | - David G Harman
- School of Medicine, Building 30, Western Sydney University, Goldsmith Avenue, Campbelltown, NSW, 2560, Australia.,Molecular Medicine Research Group, School of Medicine, Building 30, Western Sydney University, Goldsmith Avenue, Campbelltown, NSW, 2560, Australia
| | - Mark A Baker
- Discipline of Biological Sciences, Priority Research Centre in Reproductive Biology, Faculty of Science and IT, University of Newcastle, Callaghan, NSW, 2308, Australia
| | - Feng Li
- School of Science and Health, Western Sydney University, Goldsmith Avenue, Campbelltown, NSW, 2560, Australia.,Nanoscale Organisation and Dynamics Group, Western Sydney University, Goldsmith Avenue, Campbelltown, NSW, 2560, Australia
| | - Adam McCluskey
- Chemistry, School of Environmental and Life Science, The University of Newcastle, University Drive, Callaghan, NSW, 2308, Australia
| | - Jack K Clegg
- School of Chemistry and Molecular Biosciences, The University of Queensland, Brisbane Street, Lucia, QLD, 4072, Australia
| | | | - Janice R Aldrich-Wright
- School of Science and Health, Western Sydney University, Goldsmith Avenue, Campbelltown, NSW, 2560, Australia.,Nanoscale Organisation and Dynamics Group, Western Sydney University, Goldsmith Avenue, Campbelltown, NSW, 2560, Australia
| | - Christopher P Gordon
- School of Science and Health, Western Sydney University, Goldsmith Avenue, Campbelltown, NSW, 2560, Australia.,Nanoscale Organisation and Dynamics Group, Western Sydney University, Goldsmith Avenue, Campbelltown, NSW, 2560, Australia
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11
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Conjugates of podophyllotoxin and norcantharidin as dual inhibitors of topoisomeraseⅡ and protein phosphatase 2A. Eur J Med Chem 2016; 123:568-576. [DOI: 10.1016/j.ejmech.2016.07.031] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2016] [Revised: 07/15/2016] [Accepted: 07/16/2016] [Indexed: 12/18/2022]
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12
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Synthesis, crystal structure, spectroscopic properties and potential anti-cancerous activities of four unsaturated bis-norcantharimides. J Mol Struct 2016. [DOI: 10.1016/j.molstruc.2016.02.093] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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13
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Pachuta-Stec A, Szuster-Ciesielska A. New Norcantharidin Analogs: Synthesis and Anticancer Activity. Arch Pharm (Weinheim) 2015; 348:897-907. [PMID: 26548647 DOI: 10.1002/ardp.201500255] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2015] [Revised: 10/15/2015] [Accepted: 10/19/2015] [Indexed: 12/23/2022]
Abstract
The reaction of direct condensation between S-ethyl-N-(7-oxabicyclo-[2.2.1]heptane-2,3-dicarbonyl)isothiosemicarbazide (1) and primary amines was used for synthesizing new N-substituted amides of 3-(3-ethylthio-1,2,4-triazol-5-yl)-7-oxabicyclo-[2.2.1]heptane-2-carboxylic acid (2-12) as norcantharadin analogs. Moreover, the anticancer activity of the obtained compounds was studied. Among all compounds, the N-3-methylbutyl amide of 3-(3-ethylthio-1,2,4-triazol-5-yl)-7-oxabicyclo-[2.2.1]heptane-2-carboxylic acid (4) presented selective in vitro toxic and antiproliferative effects against the human hepatoma cell line Hep3B, without affecting normal human liver stellate cells (LX-2 cell line).
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Affiliation(s)
- Anna Pachuta-Stec
- Department of Organic Chemistry, Faculty of Pharmacy, Medical University, Lublin, Poland
| | - Agnieszka Szuster-Ciesielska
- Department of Virology and Immunology, Institute of Microbiology and Biotechnology, Maria Curie-Skłodowska University, Lublin, Poland
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Vazquez-Vuelvas OF, Hernández-Madrigal JV, Pineda-Contreras A, Hernández-Ortega S, Reyes-Martínez R, Morales-Morales D. Exoconformers of N-(pyridin-2-yl)- and N-(pyridin-3-yl)norbornene-5,6-dicarboximide crystals. Acta Crystallogr C 2015; 71:175-80. [DOI: 10.1107/s2053229615001886] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2014] [Accepted: 01/28/2015] [Indexed: 11/10/2022] Open
Abstract
Two isomeric pyridine-substituted norbornenedicarboximide derivatives, namelyN-(pyridin-2-yl)-exo-norbornene-5,6-dicarboximide, (I), andN-(pyridin-3-yl)-exo-norbornene-5,6-dicarboximide, (II), both C14H12N2O4, have been crystallized and their structures unequivocally determined by single-crystal X-ray diffraction. The molecules consist of norbornene moieties fused to a dicarboximide ring substituted at the N atom by either pyridin-2-yl or pyridin-3-yl in ananticonfiguration with respect to the double bond, thus affordingexoisomers. In both compounds, the asymmetric unit consists of two independent molecules (Z′ = 2). In compound (I), the pyridine rings of the two independent molecules adopt different conformations,i.e. synandanti, with respect to the methylene bridge. The intermolecular contacts of (I) are dominated by C—H...O interactions. In contrast, in compound (II), the pyridine rings of both molecules have ananticonformation and the two independent molecules are linked by carbonyl–carbonyl interactions, as well as by C—H...O and C—H...N contacts.
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15
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Zhao J, Guan XW, Chen SW, Hui L. Synthesis and biological evaluation of norcantharidin derivatives as protein phosphatase-1 inhibitors. Bioorg Med Chem Lett 2015; 25:363-6. [DOI: 10.1016/j.bmcl.2014.11.032] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2014] [Revised: 10/27/2014] [Accepted: 11/10/2014] [Indexed: 12/23/2022]
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16
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Wu JY, Kuo CD, Chu CY, Chen MS, Lin JH, Chen YJ, Liao HF. Synthesis of novel lipophilic N-substituted norcantharimide derivatives and evaluation of their anticancer activities. Molecules 2014; 19:6911-28. [PMID: 24865603 PMCID: PMC6271113 DOI: 10.3390/molecules19066911] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2014] [Revised: 05/21/2014] [Accepted: 05/22/2014] [Indexed: 12/16/2022] Open
Abstract
This research attempted to study the effect of lipophilicity on the anticancer activity of N-substituted norcantharimide derivatives. Twenty-three compounds were synthesized and their cytotoxicities against five human cancer cell lines studied. The lipophilicity of each derivative was altered by its substituent, an alkyl, alkyloxy, terpenyl or terpenyloxy group at the N-position of norcantharimide. Further, among all synthesized derivatives studied, the compounds N-farnesyloxy-7-oxabicyclo[2.2.1]heptane-2,3-dicarboximide (9), and N-farnesyl-7-oxabicyclo[2.2.1]heptane-2,3-dicarboximide (18), have shown the highest cytotoxicity, anti-proliferative and apoptotic effect against human liver carcinoma HepG2 cell lines, yet displayed no significant cytotoxic effect on normal murine embryonic liver BNL CL.2 cells. Their overall performance led us to believe that these two compounds might be potential candidates for anticancer drugs development.
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Affiliation(s)
- Jin-Yi Wu
- Department of Microbiology, Immunology and Biopharmaceutics, College of Life Sciences, National Chiayi University, Chiayi 60004, Taiwan.
| | - Cheng-Deng Kuo
- Laboratory of Biophysics, Department of Medical Research, Taipei Veterans General Hospital, Taipei 11217, Taiwan
| | - Chien-Yu Chu
- Department of Microbiology, Immunology and Biopharmaceutics, College of Life Sciences, National Chiayi University, Chiayi 60004, Taiwan
| | - Min-Shin Chen
- Department of Microbiology, Immunology and Biopharmaceutics, College of Life Sciences, National Chiayi University, Chiayi 60004, Taiwan
| | - Jia-Hua Lin
- Department of Microbiology, Immunology and Biopharmaceutics, College of Life Sciences, National Chiayi University, Chiayi 60004, Taiwan
| | - Yu-Jen Chen
- Department of Radiation Oncology, Mackay Memorial Hospital, New Taipei City 25160, Taiwan
| | - Hui-Fen Liao
- Department of Biochemical Science and Technology, College of Life Sciences, National Chiayi University, Chiayi 60004, Taiwan
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Al Otaibi A, Gordon CP, Gilbert J, Sakoff JA, McCluskey A. The influence of ionic liquids on the Knoevenagel condensation of 1H-pyrrole-2-carbaldehyde with phenyl acetonitriles – cytotoxic 3-substituted-(1H-pyrrol-2-yl)acrylonitriles. RSC Adv 2014. [DOI: 10.1039/c3ra47418f] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
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18
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Chen X, Liu J, Zhang Y. Cantharidin impedes the activity of protein serine/threonine phosphatase in Plutella xylostella. ACTA ACUST UNITED AC 2014; 10:240-50. [DOI: 10.1039/c3mb70410f] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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19
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Puerto Galvis CE, Vargas Méndez LY, Kouznetsov VV. Cantharidin-Based Small Molecules as Potential Therapeutic Agents. Chem Biol Drug Des 2013; 82:477-99. [DOI: 10.1111/cbdd.12180] [Citation(s) in RCA: 60] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Carlos E. Puerto Galvis
- Laboratorio de Química Orgánica y Biomolecular; Escuela de Química; Universidad Industrial de Santander; A.A. 678; Bucaramanga; Colombia
| | - Leonor Y. Vargas Méndez
- Grupo de Investigaciones Ambientales; Facultad de Química Ambiental; Universidad Santo Tomás; A. A. 1076; Bucaramanga; Colombia
| | - Vladimir V. Kouznetsov
- Laboratorio de Química Orgánica y Biomolecular; Escuela de Química; Universidad Industrial de Santander; A.A. 678; Bucaramanga; Colombia
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20
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Puerto Galvis CE, Kouznetsov VV. An unexpected formation of the novel 7-oxa-2-azabicyclo[2.2.1]hept-5-ene skeleton during the reaction of furfurylamine with maleimides and their bioprospection using a zebrafish embryo model. Org Biomol Chem 2012. [PMID: 23192531 DOI: 10.1039/c2ob26699g] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
An unexpected intramolecular cyclization during the reaction of furfurylamine with maleimides is reported as a novel strategy for the efficient green synthesis of the 7-oxa-2-azabicyclo[2.2.1]hept-5-ene skeleton. Under the same reaction conditions, 7-oxabicyclo[2.2.1]hept-5-enes were synthesized when furfurylamine was N-protected by the acetyl group. Both types of bicycloheptenes were screened using the zebrafish model system for genetics and developmental biology.
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Affiliation(s)
- Carlos E Puerto Galvis
- Laboratorio de Química Orgánica y Biomolecular, Universidad Industrial de Santander, Cra 27 calle 9, Bucaramanga A.A. 678, Colombia
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Kern N, Dombray T, Blanc A, Weibel JM, Pale P. Silver(I)-Catalyzed Deprotection of p-Methoxybenzyl Ethers: A Mild and Chemoselective Method. J Org Chem 2012; 77:9227-35. [DOI: 10.1021/jo301787v] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Nicolas Kern
- Laboratoire de Synthèse et Réactivité
Organiques UMR 7177 associé au CNRS, Institut de Chimie, Université de Strasbourg, 4 rue Blaise Pascal,
67070 Strasbourg, France
| | - Thomas Dombray
- Laboratoire de Synthèse et Réactivité
Organiques UMR 7177 associé au CNRS, Institut de Chimie, Université de Strasbourg, 4 rue Blaise Pascal,
67070 Strasbourg, France
| | - Aurélien Blanc
- Laboratoire de Synthèse et Réactivité
Organiques UMR 7177 associé au CNRS, Institut de Chimie, Université de Strasbourg, 4 rue Blaise Pascal,
67070 Strasbourg, France
| | - Jean-Marc Weibel
- Laboratoire de Synthèse et Réactivité
Organiques UMR 7177 associé au CNRS, Institut de Chimie, Université de Strasbourg, 4 rue Blaise Pascal,
67070 Strasbourg, France
| | - Patrick Pale
- Laboratoire de Synthèse et Réactivité
Organiques UMR 7177 associé au CNRS, Institut de Chimie, Université de Strasbourg, 4 rue Blaise Pascal,
67070 Strasbourg, France
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22
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Tarleton M, Gilbert J, Sakoff JA, McCluskey A. Synthesis and anticancer activity of a series of norcantharidin analogues. Eur J Med Chem 2012; 54:573-81. [PMID: 22796041 DOI: 10.1016/j.ejmech.2012.06.010] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/27/2011] [Revised: 05/29/2012] [Accepted: 06/05/2012] [Indexed: 01/04/2023]
Abstract
Cantharidin (1) and norcantharidin (2) display high levels of anticancer activity against a broad range of tumour cell lines. Synthetic manipulation of norcantharidin yields (3S,3aR,4S,7R,7aS)-3-hydroxyhexahydro-4,7-epoxyisobenzofuran-1(3H)-one (3), which also displays a high level of anticancer activity against tumour cells but interestingly, shows selectivity towards HT29 (colon; GI(50) = 14 μM) and SJ-G2 (glioblastoma; GI(50) = 15 μM) cell lines. Substitution at the hydroxyl group of the cyclic lactone within (3) produces a diasteromeric pair of products that have no difference in cytotoxicity over the cell lines tested. Incorporation of an isopropyl tail at this position (16) produced the most promising compound of this series to date, with strong selectivity towards HT29 (colon; GI(50) = 19 μM) and SJ-G2 (glioblastoma; GI(50) = 21 μM) cell lines but completely void of any activity against the remaining tumour cell lines (GI(50) > 100 μM), as per the parent molecule. We also discovered that the introduction of a terminal phosphate moiety (28) at the same position produced a different trend in cytotoxicity with strong activity in BE2-C (neuroblastoma; GI(50) = 9 μM) cells; suggestive of an alternate mode of action.
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Affiliation(s)
- Mark Tarleton
- Chemistry, Centre for Chemical Biology, School of Environmental & Life Sciences, University of Newcastle, University Drive, Callaghan NSW 2308, Australia
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Campbell BE, Tarleton M, Gordon CP, Sakoff JA, Gilbert J, McCluskey A, Gasser RB. Norcantharidin analogues with nematocidal activity in Haemonchus contortus. Bioorg Med Chem Lett 2011; 21:3277-81. [DOI: 10.1016/j.bmcl.2011.04.031] [Citation(s) in RCA: 32] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2011] [Accepted: 04/07/2011] [Indexed: 12/16/2022]
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