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Xu X, Dong Y, Yang J, Wang L, Ma L, Song F, Ma X. Secondary Metabolites from Marine-Derived Fungus Penicillium rubens BTBU20213035. J Fungi (Basel) 2024; 10:424. [PMID: 38921410 PMCID: PMC11204949 DOI: 10.3390/jof10060424] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2024] [Revised: 06/13/2024] [Accepted: 06/14/2024] [Indexed: 06/27/2024] Open
Abstract
Two new polyketide derivatives, penirubenones A and B (1 and 2), and two naturally rare amino-bis-tetrahydrofuran derivatives, penirubenamides A and B (3 and 4), together with nine known compounds (5-13) were isolated from the marine-derived fungus Penicillium rubens BTBU20213035. The structures were identified by HRESIMS and 1D and 2D NMR analyses, and their absolute configurations were determined by a comparison of experimental and calculated electronic circular dichroism (ECD) spectroscopy and 13C NMR data. We found that 6 exhibited antibacterial activity against Staphylococcus aureus, with an MIC value of 3.125 μg/mL, and 1 and 2 showed synergistic antifungal activity against Candida albicans at 12.5 and 50 μg/mL with 0.0625 μg/mL rapamycin.
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Affiliation(s)
- Xiuli Xu
- Key Laboratory of Marine Mineral Resources and Polar Geology, Ministry of Education, School of Ocean Sciences, China University of Geosciences, Beijing 100083, China
| | - Yifei Dong
- Key Laboratory of Geriatric Nutrition and Health, Ministry of Education of China, School of Light Industry Science and Engineering, Beijing Technology and Business University, Beijing 100048, China
| | - Jinpeng Yang
- Key Laboratory of Marine Mineral Resources and Polar Geology, Ministry of Education, School of Ocean Sciences, China University of Geosciences, Beijing 100083, China
| | - Long Wang
- State Key Laboratory of Mycology, Institute of Microbiology, Chinese Academy of Sciences, Beijing 100101, China
| | - Linlin Ma
- Griffith Institute for Drug Discovery, School of Environment and Science, Griffith University, Brisbane 4111, Australia
| | - Fuhang Song
- Key Laboratory of Geriatric Nutrition and Health, Ministry of Education of China, School of Light Industry Science and Engineering, Beijing Technology and Business University, Beijing 100048, China
| | - Xiaoli Ma
- School of Chemistry and Chemical Engineering, North Minzu University, Yinchuan 750021, China
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2
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Cadelis MM, Copp BR. Marine pyridoacridine, pyridoacridone and pyrroloacridine alkaloids. THE ALKALOIDS. CHEMISTRY AND BIOLOGY 2023; 90:97-157. [PMID: 37716797 DOI: 10.1016/bs.alkal.2023.06.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/18/2023]
Abstract
The families of pyridoacridine, pyridoacridone, and pyrroloacridine alkaloids are fascinating classes of natural products that have attracted the attention of chemists for over 80 years. Since the first purification of a brightly colored molecule isolated from the sea anemone Calliactis parasitica in 1940, over 110 examples of these alkaloids have been reported from marine organisms. While the paucity of numbers of protons relative to carbons and nitrogens in these molecules presents challenges in structure solution, the chemist is rewarded by their bright pigmented colors and typically diverse biological activities. In the past, several authors have proposed biosynthetic relationships within the pyridoacridine family of alkaloids, formulating a family tree derived from the reaction of dopaminequinone and kynuramine to tie together over 75 alkaloids. Inclusion of two additional quinones, and one homologous diamine, building blocks, for which there is biomimetic synthesis support, is suggestive of a more expansive connected biogenesis that encompasses not only pyridoacridines, but also pyridoacridone, and pyrroloacridine alkaloids. This review covers the isolation, structure elucidation, and proposed biosynthesis and biogenesis of pyridoacridine, pyridoacridone and pyrroloacridine marine alkaloids published to the end of 2022. Biomimetic or bio-inspired syntheses of the compound classes are described and new biological activities reported since 2004 are updated.
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Affiliation(s)
- Melissa M Cadelis
- School of Chemical Sciences, The University of Auckland, Private Bag 92019, Auckland, New Zealand
| | - Brent R Copp
- School of Chemical Sciences, The University of Auckland, Private Bag 92019, Auckland, New Zealand.
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3
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Song F, Hu J, Zhang X, Xu W, Yang J, Li S, Xu X. Unique Cyclized Thiolopyrrolones from the Marine-Derived Streptomyces sp. BTBU20218885. Mar Drugs 2022; 20:md20030214. [PMID: 35323513 PMCID: PMC8953990 DOI: 10.3390/md20030214] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 03/16/2022] [Accepted: 03/16/2022] [Indexed: 12/04/2022] Open
Abstract
Two new cyclized thiolopyrrolone derivatives, namely, thiolopyrrolone A (1) and 2,2-dioxidothiolutin (2), together with the kn own compound, thiolutin (3) were identified from a marine-derived Streptomyces sp. BTBU20218885, which was isolated from a mud sample collected from the coastal region of Xiamen, China. Their chemical structures were determined using spectroscopic data, including HRESIMS, 1D and 2D NMR techniques. 1 possessed a unique unsymmetrical sulfur-containing thiolopyrrolone structure. All the compounds were tested for bioactivities against Staphylococcus aureus, Escherichia coli, Bacille Calmette–Guérin (BCG), Mycobacterium tuberculosis, and Candida albicans. 1 displayed antibacterial activities against BCG, M. tuberculosis, and S. aureus with minimum inhibitory concentration (MIC) values of 10, 10, and 100 μg/mL, respectively. Thiolutin (3) showed antibacterial activities against E. coli, BCG, M. tuberculosis, and S. aureus with MIC values of 6.25, 0.3125, 0.625, and 3.125 μg/mL, respectively.
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Affiliation(s)
- Fuhang Song
- School of Light Industry, Beijing Technology and Business University, Beijing 100048, China;
| | - Jiansen Hu
- Laboratory of RNA Biology, Institute of Biophysics, Chinese Academy of Sciences, Beijing 100101, China;
| | - Xinwan Zhang
- School of Ocean Sciences, China University of Geosciences, Beijing 100083, China; (X.Z.); (W.X.); (J.Y.)
| | - Wei Xu
- School of Ocean Sciences, China University of Geosciences, Beijing 100083, China; (X.Z.); (W.X.); (J.Y.)
| | - Jinpeng Yang
- School of Ocean Sciences, China University of Geosciences, Beijing 100083, China; (X.Z.); (W.X.); (J.Y.)
| | - Shaoyong Li
- School of Pharmacy, Tianjin Medical University, Tianjin 300070, China;
| | - Xiuli Xu
- School of Ocean Sciences, China University of Geosciences, Beijing 100083, China; (X.Z.); (W.X.); (J.Y.)
- Correspondence:
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4
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Jiang D, Wang S. Oxidative Cyclization of Kynuramine and Ynones Enabling Collective Syntheses of Pyridoacridine Alkaloids. J Org Chem 2021; 86:15532-15543. [PMID: 34648288 DOI: 10.1021/acs.joc.1c02009] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
A cerium(III)-catalyzed oxidative cyclization of kynuramine and ynones has been reported as a key reaction in the total synthesis of marine pentacyclic pyridoacridine alkaloids featuring different ring connectivity patterns. The formation of tricyclic benzonaphthyridine rings was identified in the oxidative process. By combining with an intramolecular acylation and the chemoselective late-stage functionalization of pyridine rings, different approaches with 4-10 steps have been designed to accomplish the synthesis of alkaloids demethyldeoxyamphimedine (1), amphimedine (2), meridine (3), isocystodamine (4), N-methylisocystodamine (5), N-hydroxymethylisocystodamine (6), 9-hydroxyisoacididemin (7), neolabuanine A (8), and ecionine A (9).
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Affiliation(s)
- Dongfang Jiang
- State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Shaozhong Wang
- State Key Laboratory of Coordination Chemistry, Jiangsu Key Laboratory of Advanced Organic Materials, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
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5
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Chabowska G, Barg E, Wójcicka A. Biological Activity of Naturally Derived Naphthyridines. Molecules 2021; 26:4324. [PMID: 34299599 PMCID: PMC8306249 DOI: 10.3390/molecules26144324] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2021] [Revised: 07/11/2021] [Accepted: 07/13/2021] [Indexed: 11/16/2022] Open
Abstract
Marine and terrestrial environments are rich sources of various bioactive substances, which have been used by humans since prehistoric times. Nowadays, due to advances in chemical sciences, new substances are still discovered, and their chemical structures and biological properties are constantly explored. Drugs obtained from natural sources are used commonly in medicine, particularly in cancer and infectious diseases treatment. Naphthyridines, isolated mainly from marine organisms and terrestrial plants, represent prominent examples of naturally derived agents. They are a class of heterocyclic compounds containing a fused system of two pyridine rings, possessing six isomers depending on the nitrogen atom's location. In this review, biological activity of naphthyridines obtained from various natural sources was summarized. According to previous studies, the naphthyridine alkaloids displayed multiple activities, i.a., antiinfectious, anticancer, neurological, psychotropic, affecting cardiovascular system, and immune response. Their wide range of activity makes them a fascinating object of research with prospects for use in therapeutic purposes.
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Affiliation(s)
- Gabriela Chabowska
- Department of Basic Medical Sciences, Faculty of Pharmacy, Wroclaw Medical University, Borowska 211A, 50-556 Wrocław, Poland;
| | - Ewa Barg
- Department of Basic Medical Sciences, Faculty of Pharmacy, Wroclaw Medical University, Borowska 211A, 50-556 Wrocław, Poland;
| | - Anna Wójcicka
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Wroclaw Medical University, Borowska 211A, 50-556 Wrocław, Poland
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6
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Costa FLP, de Albuquerque ACF, Fiorot RG, Lião LM, Martorano LH, Mota GVS, Valverde AL, Carneiro JWM, dos Santos Junior FM. Structural characterisation of natural products by means of quantum chemical calculations of NMR parameters: new insights. Org Chem Front 2021. [DOI: 10.1039/d1qo00034a] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
In this review, we focus in all aspects of NMR simulation of natural products, from the fundamentals to the new computational toolboxes available, combining advanced quantum chemical calculations with upstream data processing and machine learning.
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Affiliation(s)
| | - Ana C. F. de Albuquerque
- Departamento de Química Orgânica
- Instituto de Química
- Universidade Federal Fluminense
- Niterói-RJ
- Brazil
| | - Rodolfo G. Fiorot
- Departamento de Química Orgânica
- Instituto de Química
- Universidade Federal Fluminense
- Niterói-RJ
- Brazil
| | - Luciano M. Lião
- Instituto de Química
- Universidade Federal de Goiás
- 74690-900 Goiânia-GO
- Brazil
| | - Lucas H. Martorano
- Departamento de Química Orgânica
- Instituto de Química
- Universidade Federal Fluminense
- Niterói-RJ
- Brazil
| | - Gunar V. S. Mota
- Faculdade de Ciências Naturais/Instituto de Ciências Exatas e Naturais
- Universidade Federal do Pará
- Belém-PA
- Brazil
| | - Alessandra L. Valverde
- Departamento de Química Orgânica
- Instituto de Química
- Universidade Federal Fluminense
- Niterói-RJ
- Brazil
| | - José W. M. Carneiro
- Departamento de Química Inorgânica
- Instituto de Química
- Universidade Federal Fluminense
- Niterói-RJ
- Brazil
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7
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Stereochemical assignment of four diastereoisomers of a maculalactone derivative by computational NMR calculations. J Mol Struct 2019. [DOI: 10.1016/j.molstruc.2018.10.064] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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8
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Tadokoro Y, Nishikawa T, Ichimori T, Matsunaga S, Fujita MJ, Sakai R. N-Methyl-β-carbolinium Salts and an N-Methylated 8-Oxoisoguanine as Acetylcholinesterase Inhibitors from a Solitary Ascidian, Cnemidocarpa irene. ACS OMEGA 2017; 2:1074-1080. [PMID: 30023627 PMCID: PMC6044787 DOI: 10.1021/acsomega.7b00127] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2017] [Accepted: 03/09/2017] [Indexed: 05/14/2023]
Abstract
New brominated β-carbolines irenecarbolines A (1) and B (4) along with known β-carbolines 2 and 3 and a new 8-oxoisoguanine derivative, 5, were isolated from a solitary ascidian, Cnemidocarpa irene. The structures of these compounds were determined on the basis of their spectral data. All, except for 3, inhibited the action of acetylcholinesterase (AchE). The activities of 1 and 5 were comparable to those of galantamine, a clinically used AchE inhibitor. Compounds 1 and 2 were found to be present in high concentrations in blood, and fluorescence was observed in certain types of cells found in the blood of the tunicate.
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Affiliation(s)
- Yohei Tadokoro
- Faculty
of Fisheries Sciences, Hokkaido University
Graduate School, 3-1-1
Minato-cho, Hakodate, Hokkaido 041-8611, Japan
| | - Teruaki Nishikawa
- Faculty
of Science, Toho University, 2-2-1 Miyama, Funabashi, Chiba 274-8510, Japan
| | - Taichi Ichimori
- Faculty
of Fisheries Sciences, Hokkaido University
Graduate School, 3-1-1
Minato-cho, Hakodate, Hokkaido 041-8611, Japan
| | - Satoko Matsunaga
- National
Institute of Technology, Hakodate College, 14-1 Tokura-cho, Hakodate, Hokkaido 042-8501, Japan
| | - Masaki J. Fujita
- Faculty
of Fisheries Sciences, Hokkaido University
Graduate School, 3-1-1
Minato-cho, Hakodate, Hokkaido 041-8611, Japan
| | - Ryuichi Sakai
- Faculty
of Fisheries Sciences, Hokkaido University
Graduate School, 3-1-1
Minato-cho, Hakodate, Hokkaido 041-8611, Japan
- E-mail: . Tel/Fax: +81 138-40-5552
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9
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Grimblat N, Sarotti AM. Computational Chemistry to the Rescue: Modern Toolboxes for the Assignment of Complex Molecules by GIAO NMR Calculations. Chemistry 2016; 22:12246-61. [DOI: 10.1002/chem.201601150] [Citation(s) in RCA: 144] [Impact Index Per Article: 18.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2016] [Indexed: 12/14/2022]
Affiliation(s)
- Nicolas Grimblat
- Instituto de Química Rosario CONICET Facultad de Ciencias Bioquímicas y Farmacéuticas; Universidad Nacional de Rosario; Suipacha 531 Rosario 2000) Argentina
| | - Ariel M. Sarotti
- Instituto de Química Rosario CONICET Facultad de Ciencias Bioquímicas y Farmacéuticas; Universidad Nacional de Rosario; Suipacha 531 Rosario 2000) Argentina
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10
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Tran TD, Pham NB, Booth R, Forster PI, Quinn RJ. Lignans from the Australian Endemic Plant Austrobaileya scandens. JOURNAL OF NATURAL PRODUCTS 2016; 79:1514-1523. [PMID: 27214307 DOI: 10.1021/acs.jnatprod.5b00988] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
The sole species of the vascular plant family Austrobaileyaceae, Austrobaileya scandens, is endemic to the tropical rainforest of northeastern Queensland, Australia. A single lead-like enhanced fraction of A. scandens showed potent inhibition against human prostate cancer PC3 cells. Chemical investigation of this plant resulted in the isolation of two new aryltetralin lignans, austrobailignans 8 and 9 (1 and 2), and the synthetic compound nicotlactone B (3), newly identified as a natural product together with nine known lignans (4-12). Their structures were established on the basis of spectroscopic analyses. Absolute configurations of the new compounds were determined by quantum chemical electronic circular dichroism (ECD) calculations employing time-dependent density functional theory. The ECD calculations were also used to assign the absolute configuration of marphenol K (4) and revise the absolute configuration of kadsurindutin C (20). Ten out of the 12 isolated compounds inhibited the growth of PC3 cells with IC50 values ranging from micromolar to nanomolar. Marphenol A (5) was found for the first time to induce apoptosis and arrest the S cell cycle phase of PC3 cells.
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Affiliation(s)
- Trong D Tran
- Eskitis Institute for Drug Discovery, Griffith University , Brisbane, Queensland 4111, Australia
| | - Ngoc B Pham
- Eskitis Institute for Drug Discovery, Griffith University , Brisbane, Queensland 4111, Australia
| | - Ron Booth
- Queensland Herbarium, DSITI, Brisbane Botanic Gardens , Mt. Coot-tha Road, Brisbane, Queensland 4066, Australia
| | - Paul I Forster
- Queensland Herbarium, DSITI, Brisbane Botanic Gardens , Mt. Coot-tha Road, Brisbane, Queensland 4066, Australia
| | - Ronald J Quinn
- Eskitis Institute for Drug Discovery, Griffith University , Brisbane, Queensland 4111, Australia
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11
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Abstract
This review covers the literature published in 2014 for marine natural products (MNPs), with 1116 citations (753 for the period January to December 2014) referring to compounds isolated from marine microorganisms and phytoplankton, green, brown and red algae, sponges, cnidarians, bryozoans, molluscs, tunicates, echinoderms, mangroves and other intertidal plants and microorganisms. The emphasis is on new compounds (1378 in 456 papers for 2014), together with the relevant biological activities, source organisms and country of origin. Reviews, biosynthetic studies, first syntheses, and syntheses that lead to the revision of structures or stereochemistries, have been included.
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Affiliation(s)
- John W Blunt
- Department of Chemistry, University of Canterbury, Christchurch, New Zealand.
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12
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Ibrahim SRM, Mohamed GA. Marine Pyridoacridine Alkaloids: Biosynthesis and Biological Activities. Chem Biodivers 2016; 13:37-47. [PMID: 26765351 PMCID: PMC7162015 DOI: 10.1002/cbdv.201400434] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2014] [Accepted: 01/22/2015] [Indexed: 12/05/2022]
Abstract
Pyridoacridines are a class of strictly marine-derived alkaloids that constitute one of the largest chemical families of marine alkaloids. During the last few years, both natural pyridoacridines and their analogues have constituted excellent targets for synthetic works. They have been the subject of intense study due to their significant biological activities; cytotoxic, antibacterial, antifungal, antiviral, insecticidal, anti-HIV, and anti-parasitic activities. In the present review, 95 pyridoacridine alkaloids isolated from marine organisms are discussed in term of their occurrence, biosynthesis, biological activities, and structural assignment.
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Affiliation(s)
- Sabrin R M Ibrahim
- Department of Pharmacognosy and Pharmaceutical Chemistry, College of Pharmacy, Taibah University, Al Madinah , Al Munawwarah 30078, Saudi Arabia (phone: +966-581-183034; fax:+966-484-75027).
- Department of Pharmacognosy, Faculty of Pharmacy, Assiut University, Assiut 71526, Egypt, (phone: +20-88-2411330; fax: +20-88-2332776).
| | - Gamal A Mohamed
- Department of Natural Products and Alternative Medicine, Faculty of Pharmacy, King Abdulaziz University, Jeddah 21589, Saudi Arabia (phone: +966-597-636182).
- Department of Pharmacognosy, Faculty of Pharmacy, Al-Azhar University, Assiut Branch, Assiut 71524, Egypt, (phone: +20-88-2181191; fax: +20-88-2181191).
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13
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Ermanis K, Parkes KEB, Agback T, Goodman JM. Expanding DP4: application to drug compounds and automation. Org Biomol Chem 2016; 14:3943-9. [DOI: 10.1039/c6ob00015k] [Citation(s) in RCA: 32] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
The DP4 parameter, which provides a confidence level for NMR assignment, has been widely used to help assign the structures of many stereochemically-rich molecules.
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Affiliation(s)
- Kristaps Ermanis
- Centre for Molecular Science Informatics
- Department of Chemistry
- University of Cambridge
- Cambridge CB2 1EW
- UK
| | | | | | - Jonathan M. Goodman
- Centre for Molecular Science Informatics
- Department of Chemistry
- University of Cambridge
- Cambridge CB2 1EW
- UK
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14
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Sandjo LP, Kuete V, Biavatti MW. Pyridinoacridine alkaloids of marine origin: NMR and MS spectral data, synthesis, biosynthesis and biological activity. Beilstein J Org Chem 2015; 11:1667-99. [PMID: 26664587 PMCID: PMC4660921 DOI: 10.3762/bjoc.11.183] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2015] [Accepted: 08/27/2015] [Indexed: 11/23/2022] Open
Abstract
This review focuses on pyridoacridine-related metabolites as one biologically interesting group of alkaloids identified from marine sources. They are produced by marine sponges, ascidians and tunicates, and they are structurally comprised of four to eight fused rings including heterocycles. Acridine, acridone, dihydroacridine, and quinolone cores are features regularly found in these alkaloid skeletons. The lack of hydrogen atoms next to quaternary carbon atoms for two or three rings makes the chemical shift assignment a difficult task. In this regard, one of the aims of this review is the compilation of previously reported, pyridoacridine (13)C NMR data. Observations have been made on the delocalization of electrons and the presence of some functional groups that lead to changes in the chemical shift of some carbon resonances. The lack of mass spectra information for these alkaloids due to the compactness of their structures is further discussed. Moreover, the biosynthetic pathways of some of these metabolites have been shown since they could inspire biomimetic synthesis. The synthesis routes used to prepare members of these marine alkaloids (as well as their analogues), which are synthesized for biological purposes are also discussed. Pyridoacridines were found to have a large spectrum of bioactivity and this review highlights and compares the pharmacophores that are responsible for the observed bioactivity.
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Affiliation(s)
- Louis P Sandjo
- Department of Pharmaceutical Sciences, CCS, Universidade Federal de Santa Catarina, Florianopolis 88040-900, SC, Brazil
| | - Victor Kuete
- Department of Biochemistry, Faculty of Sciences, University of Dschang, Cameroon
| | - Maique W Biavatti
- Department of Pharmaceutical Sciences, CCS, Universidade Federal de Santa Catarina, Florianopolis 88040-900, SC, Brazil
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15
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Isolation and Total Synthesis of Stolonines A-C, Unique Taurine Amides from the Australian Marine Tunicate Cnemidocarpa stolonifera. Mar Drugs 2015. [PMID: 26204949 PMCID: PMC4515633 DOI: 10.3390/md13074556] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Cnemidocarpa stolonifera is an underexplored marine tunicate that only occurs on the tropical to subtropical East Coast of Australia, with only two pyridoacridine compounds reported previously. Qualitative analysis of the lead-like enhanced fractions of C. stolonifera by LC-MS dual electrospray ionization coupled with PDA and ELSD detectors led to the identification of three new natural products, stolonines A-C (1-3), belonging to the taurine amide structure class. Structures of the new compounds were determined by NMR and MS analyses and later verified by total synthesis. This is the first time that the conjugates of taurine with 3-indoleglyoxylic acid, quinoline-2-carboxylic acid and β-carboline-3-carboxylic acid present in stolonines A-C (1-3), respectively, have been reported. An immunofluorescence assay on PC3 cells indicated that compounds 1 and 3 increased cell size, induced mitochondrial texture elongation, and caused apoptosis in PC3 cells.
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16
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Mirion M, Andernach L, Stobe C, Barjau J, Schollmeyer D, Opatz T, Lützen A, Waldvogel SR. Synthesis and Isolation of Enantiomerically Enriched Cyclopenta[b]benzofurans Based on Products from Anodic Oxidation of 2,4-Dimethylphenol. European J Org Chem 2015. [DOI: 10.1002/ejoc.201500600] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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17
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Imperatore C, Aiello A, D'Aniello F, Senese M, Menna M. Alkaloids from marine invertebrates as important leads for anticancer drugs discovery and development. Molecules 2014; 19:20391-423. [PMID: 25490431 PMCID: PMC6270949 DOI: 10.3390/molecules191220391] [Citation(s) in RCA: 46] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2014] [Revised: 11/07/2014] [Accepted: 11/27/2014] [Indexed: 11/27/2022] Open
Abstract
The present review describes research on novel natural antitumor alkaloids isolated from marine invertebrates. The structure, origin, and confirmed cytotoxic activity of more than 130 novel alkaloids belonging to several structural families (indoles, pyrroles, pyrazines, quinolines, and pyridoacridines), together with some of their synthetic analogs, are illustrated. Recent discoveries concerning the current state of the potential and/or development of some of them as new drugs, as well as the current knowledge regarding their modes of action, are also summarized. A special emphasis is given to the role of marine invertebrate alkaloids as an important source of leads for anticancer drug discovery.
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Affiliation(s)
- Concetta Imperatore
- The NeaNat Group, Department of Pharmacy, University of Naples "Federico II", Via D. Montesano 49, Napoli 80131, Italy.
| | - Anna Aiello
- The NeaNat Group, Department of Pharmacy, University of Naples "Federico II", Via D. Montesano 49, Napoli 80131, Italy.
| | - Filomena D'Aniello
- The NeaNat Group, Department of Pharmacy, University of Naples "Federico II", Via D. Montesano 49, Napoli 80131, Italy.
| | - Maria Senese
- The NeaNat Group, Department of Pharmacy, University of Naples "Federico II", Via D. Montesano 49, Napoli 80131, Italy.
| | - Marialuisa Menna
- The NeaNat Group, Department of Pharmacy, University of Naples "Federico II", Via D. Montesano 49, Napoli 80131, Italy.
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