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T A AR, Rajendra TN, Suhas KP, Ippagunta SK, Chaudhary S. 1,2,4,5-Tetraoxane derivatives/hybrids as potent antimalarial endoperoxides: Chronological advancements, structure-activity relationship (SAR) studies and future perspectives. Med Res Rev 2024; 44:2266-2290. [PMID: 38618882 DOI: 10.1002/med.22040] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2023] [Revised: 02/24/2024] [Accepted: 03/30/2024] [Indexed: 04/16/2024]
Abstract
Malaria is a life-threatening disease that affects tropical and subtropical regions worldwide. Various drugs were used to treat malaria, including artemisinin and derivatives, antibiotics (tetracycline, doxycycline), quinolines (chloroquine, amodiaquine), and folate antagonists (sulfadoxine and pyrimethamine). Since the malarial parasites developed drug resistance, there is a need to develop new chemical entities with high efficacy and low toxicity. In this context, 1,2,4,5-tetraoxanes emerged as an essential scaffold and have shown promising antimalarial activity. To improve activity and overcome resistance to various antimalarial drugs; 1,2,4,5-tetraoxanes were fused with various aryl/heteroaryl/alicyclic/spiro moieties (steroid-based 1,2,4,5-tetraoxanes, triazine-based 1,2,4,5-tetraoxanes, aminoquinoline-based 1,2,4,5-tetraoxanes, dispiro-based 1,2,4,5-tetraoxanes, piperidine-based 1,2,4,5-tetraoxanes and diaryl-based 1,2,4,5-tetraoxanes). The present review aims to focus on covering the relevant literature published during the past 30 years (1992-2022). We summarize the most significant in vitro, in vivo results and structure-activity relationship studies of 1,2,4,5-tetraoxane-based hybrids as antimalarial agents. The structural evolution of different hybrids can provide the framework for the future development of 1,2,4,5-tetraoxane-based hybrids to treat malaria.
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Affiliation(s)
- Abdul Rahaman T A
- Department of Medicinal Chemistry, Laboratory of Bioactive Heterocycles and Catalysis (BHC lab), National Institute of Pharmaceutical Education and Research-Raebareli (Transit Campus), Lucknow, India
| | - Thakar Neha Rajendra
- Department of Medicinal Chemistry, Laboratory of Bioactive Heterocycles and Catalysis (BHC lab), National Institute of Pharmaceutical Education and Research-Raebareli (Transit Campus), Lucknow, India
| | - Kshirsagar Prasad Suhas
- Department of Medicinal Chemistry, Laboratory of Bioactive Heterocycles and Catalysis (BHC lab), National Institute of Pharmaceutical Education and Research-Raebareli (Transit Campus), Lucknow, India
| | - Sirish K Ippagunta
- Department of Biotechnology, All India Institute of Medical Sciences (AIIMS), New Delhi, India
| | - Sandeep Chaudhary
- Department of Medicinal Chemistry, Laboratory of Bioactive Heterocycles and Catalysis (BHC lab), National Institute of Pharmaceutical Education and Research-Raebareli (Transit Campus), Lucknow, India
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Romero-Hernández LL, Ahuja-Casarín AI, Merino-Montiel P, Montiel-Smith S, Vega-Báez JL, Sandoval-Ramírez J. Syntheses and medicinal chemistry of spiro heterocyclic steroids. Beilstein J Org Chem 2024; 20:1713-1745. [PMID: 39076294 PMCID: PMC11285062 DOI: 10.3762/bjoc.20.152] [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: 03/30/2024] [Accepted: 06/28/2024] [Indexed: 07/31/2024] Open
Abstract
There is compelling evidence that incorporating a heterocyclic moiety into a steroid can alter its pharmacological and pharmacokinetic properties, driving intense interest in the synthesis of such hybrids among research groups. In this review, we present an overview of recent synthetic methodologies, spanning the period from 2000 to 2023, for the preparation of spiro heterocyclic steroids. The compounds surveyed encompass four-, five-, six-, and seven-membered heterocycles appended to various positions of steroidal backbones, with spirocycles containing oxygen, nitrogen, and sulfur atoms being predominant. The outlined synthetic procedures emphasize the pivotal steps for constructing the heterocycles, often accompanied by a detailed account of the overall synthesis pathway. The review encompasses innovative compounds, including bis-steroids linked by a spiro heterocycle and steroids conjugated to heterocyclic moieties containing three or more (hetero)cycles. Moreover, many compounds are accompanied by data on their biological activities, such as antiproliferative, antimalarial, antimicrobial, antifungal, steroid antagonist, and enzyme inhibition, among others, aimed at furnishing pertinent insights for the future design of more potent and selective drugs.
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Affiliation(s)
- Laura L Romero-Hernández
- Facultad de Ciencias Químicas, Benemérita Universidad Autónoma de Puebla, Ciudad Universitaria, 72570, Puebla, Pue., México
| | - Ana Isabel Ahuja-Casarín
- Facultad de Ciencias Químicas, Benemérita Universidad Autónoma de Puebla, Ciudad Universitaria, 72570, Puebla, Pue., México
| | - Penélope Merino-Montiel
- Facultad de Ciencias Químicas, Benemérita Universidad Autónoma de Puebla, Ciudad Universitaria, 72570, Puebla, Pue., México
| | - Sara Montiel-Smith
- Facultad de Ciencias Químicas, Benemérita Universidad Autónoma de Puebla, Ciudad Universitaria, 72570, Puebla, Pue., México
| | - José Luis Vega-Báez
- Facultad de Ciencias Químicas, Benemérita Universidad Autónoma de Puebla, Ciudad Universitaria, 72570, Puebla, Pue., México
| | - Jesús Sandoval-Ramírez
- Facultad de Ciencias Químicas, Benemérita Universidad Autónoma de Puebla, Ciudad Universitaria, 72570, Puebla, Pue., México
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Singh P, Sharma C, Sharma B, Mishra A, Agarwal D, Kannan D, Held J, Singh S, Awasthi SK. N-sulfonylpiperidinedispiro-1,2,4,5-tetraoxanes exhibit potent in vitro antiplasmodial activity and in vivo efficacy in mice infected with P. berghei ANKA. Eur J Med Chem 2022; 244:114774. [DOI: 10.1016/j.ejmech.2022.114774] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 09/03/2022] [Accepted: 09/10/2022] [Indexed: 11/04/2022]
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Vil’ VA, Yaremenko IA, Fomenkov DI, Levitsky DO, Fleury F, Terent’ev AO. Ion exchange resin-catalyzed synthesis of bridged tetraoxanes possessing in vitro cytotoxicity against HeLa cancer cells. Chem Heterocycl Compd (N Y) 2020. [DOI: 10.1007/s10593-020-02722-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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5
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Coghi P, Yaremenko IA, Prommana P, Radulov PS, Syroeshkin MA, Wu YJ, Gao JY, Gordillo FM, Mok S, Wong VKW, Uthaipibull C, Terent'ev AO. Novel Peroxides as Promising Anticancer Agents with Unexpected Depressed Antimalarial Activity. ChemMedChem 2018; 13:902-908. [PMID: 29469179 DOI: 10.1002/cmdc.201700804] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/19/2017] [Revised: 02/15/2018] [Indexed: 12/23/2022]
Abstract
Twenty six peroxides belonging to bridged 1,2,4,5-tetraoxanes, bridged 1,2,4-trioxolanes (ozonides), and tricyclic monoperoxides were evaluated for their in vitro antimalarial activity against Plasmodium falciparum (3D7) and for their cytotoxic activities against immortalized human normal fibroblast (CCD19Lu), liver (LO2 ), and lung (BEAS-2B) cell lines as well as human liver (HepG2) and lung (A549) cancer-cell lines. Synthetic ozonides were shown to have the highest cytotoxicity on HepG2 (IC50 =0.19-0.59 μm), and some of these compounds selectively targeted liver cancer (selectivity index values for compounds 13 a and 14 a are 20 and 28, respectively) at levels that, in some cases, were higher than those of paclitaxel, artemisinin, and artesunic acid. In contrast some ozonides showed only moderate antimalarial activity against the chloroquine-sensitive 3D7 strain of P. falciparum (IC50 from 2.76 to 24.2 μm; 12 b, IC50 =2.76 μm; 13 a, IC50 =20.14 μm; 14 a, IC50 =6.32 μm). These results suggest that these derivatives have divergent mechanisms of action against cancer cells and malaria-infected cells. A cyclic voltammetry study of the peroxides was performed, but most of the compounds did not show direct correlation in oxidative capacity-activity. Our findings offer a new source of antimalarial and anticancer agents through structural modification of peroxide compounds.
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Affiliation(s)
- Paolo Coghi
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macau, China
| | - Ivan A Yaremenko
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 47, Moscow, 119991, Russian Federation.,Faculty of Chemical and Pharmaceutical Technology and Biomedical Products, D.I. Mendeleev University of Chemical Technology of Russia, 9 Miusskaya Square, Moscow, 125047, Russia.,All Russian Research Institute for Phytopathology, 143050 B. Vyazyomy, Moscow Region, Russia
| | - Parichat Prommana
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), 113 Thailand Science Park, Pathum Thani, 12120, Thailand
| | - Peter S Radulov
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 47, Moscow, 119991, Russian Federation.,All Russian Research Institute for Phytopathology, 143050 B. Vyazyomy, Moscow Region, Russia
| | - Mikhail A Syroeshkin
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 47, Moscow, 119991, Russian Federation
| | - Yu Jun Wu
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macau, China
| | - Jia Ying Gao
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macau, China
| | - Floria M Gordillo
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macau, China
| | - Simon Mok
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macau, China
| | - Vincent Kam Wai Wong
- State Key Laboratory of Quality Research in Chinese Medicine, Macau University of Science and Technology, Avenida Wai Long, Taipa, Macau, China
| | - Chairat Uthaipibull
- National Center for Genetic Engineering and Biotechnology (BIOTEC), National Science and Technology Development Agency (NSTDA), 113 Thailand Science Park, Pathum Thani, 12120, Thailand
| | - Alexander O Terent'ev
- N.D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 47, Moscow, 119991, Russian Federation.,Faculty of Chemical and Pharmaceutical Technology and Biomedical Products, D.I. Mendeleev University of Chemical Technology of Russia, 9 Miusskaya Square, Moscow, 125047, Russia.,All Russian Research Institute for Phytopathology, 143050 B. Vyazyomy, Moscow Region, Russia
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6
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Synthesis and cytotoxic activity of new artemisinin hybrid molecules against human leukemia cells. Bioorg Med Chem 2017; 25:3357-3367. [DOI: 10.1016/j.bmc.2017.04.021] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2017] [Revised: 04/12/2017] [Accepted: 04/16/2017] [Indexed: 12/11/2022]
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7
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Schirmeister T, Oli S, Wu H, Della Sala G, Costantino V, Seo EJ, Efferth T. Cytotoxicity of Endoperoxides from the Caribbean Sponge Plakortis halichondrioides towards Sensitive and Multidrug-Resistant Leukemia Cells: Acids vs. Esters Activity Evaluation. Mar Drugs 2017; 15:md15030063. [PMID: 28273803 PMCID: PMC5367020 DOI: 10.3390/md15030063] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2016] [Revised: 02/15/2017] [Accepted: 02/16/2017] [Indexed: 11/21/2022] Open
Abstract
The 6-epimer of the plakortide H acid (1), along with the endoperoxides plakortide E (2), plakortin (3), and dihydroplakortin (4) have been isolated from a sample of the Caribbean sponge Plakortis halichondrioides. To perform a comparative study on the cytotoxicity towards the drug-sensitive leukemia CCRF-CEM cell line and its multi-drug resistant subline CEM/ADR5000, the acid of plakortin, namely plakortic acid (5), as well as the esters plakortide E methyl ester (6) and 6-epi-plakortide H (7) were synthesized by hydrolysis and Steglich esterification, respectively. The data obtained showed that the acids (1, 2, 5) exhibited potent cytotoxicity towards both cell lines, whereas the esters showed no activity (6, 7) or weaker activity (3, 4) compared to their corresponding acids. Plakortic acid (5) was the most promising derivative with half maximal inhibitory concentration (IC50) values of ca. 0.20 µM for both cell lines.
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Affiliation(s)
- Tanja Schirmeister
- Institute of Pharmacy and Biochemistry, Johannes Gutenberg University Mainz, Staudinger Weg 5, 55128 Mainz, Germany.
| | - Swarna Oli
- Institute of Pharmacy and Biochemistry, Johannes Gutenberg University Mainz, Staudinger Weg 5, 55128 Mainz, Germany.
| | - Hongmei Wu
- Institute of Pharmacy and Biochemistry, Johannes Gutenberg University Mainz, Staudinger Weg 5, 55128 Mainz, Germany.
| | - Gerardo Della Sala
- The NeaNat Group, Dipartimento di Farmacia, Università degli Studi di Napoli Federico II, via D. Montesano 49, 80131 Napoli, Italy.
| | - Valeria Costantino
- The NeaNat Group, Dipartimento di Farmacia, Università degli Studi di Napoli Federico II, via D. Montesano 49, 80131 Napoli, Italy.
| | - Ean-Jeong Seo
- Institute of Pharmacy and Biochemistry, Johannes Gutenberg University Mainz, Staudinger Weg 5, 55128 Mainz, Germany.
| | - Thomas Efferth
- Institute of Pharmacy and Biochemistry, Johannes Gutenberg University Mainz, Staudinger Weg 5, 55128 Mainz, Germany.
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8
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Cyclic peroxides as promising anticancer agents: in vitro cytotoxicity study of synthetic ozonides and tetraoxanes on human prostate cancer cell lines. Med Chem Res 2016. [DOI: 10.1007/s00044-016-1736-2] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
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9
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Terent'ev AO, Borisov DA, Vil’ VA, Dembitsky VM. Synthesis of five- and six-membered cyclic organic peroxides: Key transformations into peroxide ring-retaining products. Beilstein J Org Chem 2014; 10:34-114. [PMID: 24454562 PMCID: PMC3896255 DOI: 10.3762/bjoc.10.6] [Citation(s) in RCA: 71] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2013] [Accepted: 11/16/2013] [Indexed: 12/16/2022] Open
Abstract
The present review describes the current status of synthetic five and six-membered cyclic peroxides such as 1,2-dioxolanes, 1,2,4-trioxolanes (ozonides), 1,2-dioxanes, 1,2-dioxenes, 1,2,4-trioxanes, and 1,2,4,5-tetraoxanes. The literature from 2000 onwards is surveyed to provide an update on synthesis of cyclic peroxides. The indicated period of time is, on the whole, characterized by the development of new efficient and scale-up methods for the preparation of these cyclic compounds. It was shown that cyclic peroxides remain unchanged throughout the course of a wide range of fundamental organic reactions. Due to these properties, the molecular structures can be greatly modified to give peroxide ring-retaining products. The chemistry of cyclic peroxides has attracted considerable attention, because these compounds are used in medicine for the design of antimalarial, antihelminthic, and antitumor agents.
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Key Words
- 1,2,4,5-tetraoxanes
- 1,2,4-trioxanes
- 1,2,4-trioxolanes
- 1,2-dioxanes
- 1,2-dioxenes
- 1,2-dioxolanes
- cyclic peroxides
- ozonides
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Affiliation(s)
- Alexander O Terent'ev
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 47, Moscow, 119991, Russia
| | - Dmitry A Borisov
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 47, Moscow, 119991, Russia
| | - Vera A Vil’
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 47, Moscow, 119991, Russia
| | - Valery M Dembitsky
- N. D. Zelinsky Institute of Organic Chemistry, Russian Academy of Sciences, Leninsky Prospect 47, Moscow, 119991, Russia
- Institute for Drug Research, P.O. Box 12065, Hebrew University, Jerusalem 91120, Israel
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Yadav N, Sharma C, Awasthi SK. Diversification in the synthesis of antimalarial trioxane and tetraoxane analogs. RSC Adv 2014. [DOI: 10.1039/c3ra42513d] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023] Open
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Salvador JAR, Carvalho JFS, Neves MAC, Silvestre SM, Leitão AJ, Silva MMC, Sá e Melo ML. Anticancer steroids: linking natural and semi-synthetic compounds. Nat Prod Rep 2013; 30:324-74. [PMID: 23151898 DOI: 10.1039/c2np20082a] [Citation(s) in RCA: 197] [Impact Index Per Article: 17.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Steroids, a widespread class of natural organic compounds occurring in animals, plants and fungi, have shown great therapeutic value for a broad array of pathologies. The present overview is focused on the anticancer activity of steroids, which is very representative of a rich structural molecular diversity and ability to interact with various biological targets and pathways. This review encompasses the most relevant discoveries on steroid anticancer drugs and leads through the last decade and comprises 668 references.
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Affiliation(s)
- Jorge A R Salvador
- Laboratory of Pharmaceutical Chemistry, Faculty of Pharmacy, University of Coimbra, Polo das Ciências da Saúde, 3000-508, Coimbra, Portugal.
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Singh C, Hassam M, Verma VP, Singh AS, Naikade NK, Puri SK, Maulik PR, Kant R. Bile Acid-Based 1,2,4-Trioxanes: Synthesis and Antimalarial Assessment. J Med Chem 2012; 55:10662-73. [DOI: 10.1021/jm301323k] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Chandan Singh
- Division of Medicinal & Process Chemistry, ‡Division of Parasitology, and §Division of Molecular and Structural Biology, CSIR-Central Drug Research Institute, Lucknow-226001, India
| | - Mohammad Hassam
- Division of Medicinal & Process Chemistry, ‡Division of Parasitology, and §Division of Molecular and Structural Biology, CSIR-Central Drug Research Institute, Lucknow-226001, India
| | - Ved Prakash Verma
- Division of Medicinal & Process Chemistry, ‡Division of Parasitology, and §Division of Molecular and Structural Biology, CSIR-Central Drug Research Institute, Lucknow-226001, India
| | - Ajit Shanker Singh
- Division of Medicinal & Process Chemistry, ‡Division of Parasitology, and §Division of Molecular and Structural Biology, CSIR-Central Drug Research Institute, Lucknow-226001, India
| | - Niraj Krishna Naikade
- Division of Medicinal & Process Chemistry, ‡Division of Parasitology, and §Division of Molecular and Structural Biology, CSIR-Central Drug Research Institute, Lucknow-226001, India
| | - Sunil K. Puri
- Division of Medicinal & Process Chemistry, ‡Division of Parasitology, and §Division of Molecular and Structural Biology, CSIR-Central Drug Research Institute, Lucknow-226001, India
| | - Prakas R. Maulik
- Division of Medicinal & Process Chemistry, ‡Division of Parasitology, and §Division of Molecular and Structural Biology, CSIR-Central Drug Research Institute, Lucknow-226001, India
| | - Ruchir Kant
- Division of Medicinal & Process Chemistry, ‡Division of Parasitology, and §Division of Molecular and Structural Biology, CSIR-Central Drug Research Institute, Lucknow-226001, India
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Kumar N, Singh R, Rawat DS. Retracted: Tetraoxanes: synthetic and medicinal chemistry perspective. Med Res Rev 2011; 31:482. [PMID: 20027667 DOI: 10.1002/med.20189] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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Šegan S, Andrić F, Radoičić A, Opsenica D, Šolaja B, Zlatović M, Milojković-Opsenica D. Correlation between structure, retention and activity of cholic acid derived cis
-trans
isomeric bis-steroidal tetraoxanes. J Sep Sci 2011; 34:2659-67. [DOI: 10.1002/jssc.201100185] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2011] [Revised: 06/21/2011] [Accepted: 06/22/2011] [Indexed: 11/12/2022]
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15
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Kumar N, Singh R, Rawat DS. Tetraoxanes: Synthetic and Medicinal Chemistry Perspective. Med Res Rev 2010. [PMID: 22675731 DOI: 10.1002/med.20223] [Citation(s) in RCA: 34] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
| | | | - Diwan S. Rawat
- University of Delhi; Department of Chemistry; Delhi 110007 India
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Amewu R, Gibbons P, Mukhtar A, Stachulski AV, Ward SA, Hall C, Rimmer K, Davies J, Vivas L, Bacsa J, Mercer AE, Nixon G, Stocks PA, O'Neill PM. Synthesis, in vitro and in vivo antimalarial assessment of sulfide, sulfone and vinyl amide-substituted 1,2,4-trioxanes prepared via thiol-olefin co-oxygenation (TOCO) of allylic alcohols. Org Biomol Chem 2010; 8:2068-77. [DOI: 10.1039/b924319d] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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17
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Šegan S, Opsenica D, Šolaja B, Milojković-Opsenica D. Planar chromatography of cholic acid-derivedcis-transisomeric bis-steroidal tetraoxanes. JPC-J PLANAR CHROMAT 2009. [DOI: 10.1556/jpc.22.2009.3.3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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Abstract
The problem of endemic malaria continues unabated globally. Malaria affects 40 % of the global population, causing an estimated annual mortality of 1.5-2.7 million people. The World Health Organization (WHO) estimates that 90 % of these deaths occur in sub-Saharan Africa among infants under the age of five. While a vaccine against malaria continues to be elusive, chemotherapy remains the most viable alternative towards treatment of the disease. During last years, the situation has become urgent in many ways, but mainly because of the development of chloroquine-resistant (CQR) strains of Plasmodium falciparum (Pf). The discovery that artemisinin (ART, 1), an active principle of Artemisia annua L., expresses a significant antimalarial activity, especially against CQR strains, opened new approaches for combating malaria. Since the early 1980s, hundreds of semi-synthetic and synthetic peroxides have been developed and tested for their antimalarial activity, the results of which were extensively reviewed. In addition, in therapeutic practice, there is no reported case of drug resistance to these antimalarial peroxides. This review summarizes recent achievements in the area of peroxide drug development for malaria chemotherapy.
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Mixed steroidal tetraoxanes induce apoptotic cell death in tumor cells. Invest New Drugs 2008; 27:432-9. [DOI: 10.1007/s10637-008-9197-1] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2008] [Accepted: 10/27/2008] [Indexed: 10/21/2022]
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Singh C, Pandey S, Kushwaha AK, Puri SK. New functionalized 1,2,4-trioxepanes: Synthesis and antimalarial activity against multi-drug resistant P. yoelii in mice. Bioorg Med Chem Lett 2008; 18:5190-3. [DOI: 10.1016/j.bmcl.2008.08.096] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2008] [Revised: 08/07/2008] [Accepted: 08/26/2008] [Indexed: 10/21/2022]
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21
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Mixed tetraoxanes containing the acetone subunit as antimalarials. Bioorg Med Chem 2008; 16:7039-45. [DOI: 10.1016/j.bmc.2008.05.017] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2008] [Revised: 04/30/2008] [Accepted: 05/07/2008] [Indexed: 11/22/2022]
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22
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Opsenica I, Opsenica D, Smith KS, Milhous WK, Solaja BA. Chemical stability of the peroxide bond enables diversified synthesis of potent tetraoxane antimalarials. J Med Chem 2008; 51:2261-6. [PMID: 18330976 DOI: 10.1021/jm701417a] [Citation(s) in RCA: 53] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Of 17 prepared 1,2,4,5-tetraoxacyclohexanes stable to reductive and acidic conditions, 3 of them were more active than artemisinin against CQ and MFQ resistant strain TM91C235 and all compounds were more active in vitro against W2 than against D6 strain. In vivo, amines 10 and 11a cured all mice at higher doses with MCD < or = 37.5 (mg/kg)/day. Triol 13 was exceptionally active against melanoma (LOX IMVI) and ovarian cancer (IGROV1), both with LC 50 = 60 nM.
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Affiliation(s)
- Igor Opsenica
- Institute of Chemistry, Technology and Metallurgy, Belgrade, Serbia
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Ellis GL, Amewu R, Hall C, Rimmer K, Ward SA, O’Neill PM. An efficient route into synthetically challenging bridged achiral 1,2,4,5-tetraoxanes with antimalarial activity. Bioorg Med Chem Lett 2008; 18:1720-4. [DOI: 10.1016/j.bmcl.2008.01.053] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/04/2007] [Revised: 01/11/2008] [Accepted: 01/12/2008] [Indexed: 10/22/2022]
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24
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Terzić N, Opsenica D, Milić D, Tinant B, Smith KS, Milhous WK, Solaja BA. Deoxycholic Acid-Derived Tetraoxane Antimalarials and Antiproliferatives. J Med Chem 2007; 50:5118-27. [PMID: 17887664 DOI: 10.1021/jm070684m] [Citation(s) in RCA: 61] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The synthesis of deoxycholic acid (DCA)- and cholic acid (CA)-derived mixed tetraoxanes revealed that N-(2-dimethylamino)ethyl derivatives are potent antimalarials in vitro and in vivo. The tetraoxanes presented in this paper are dual inhibitors: besides curing mice in vivo without observed toxic effects, they kill cancer cell lines at very low concentrations. For example, DCA and CA derivatives 16 and 25 cured 3/5 (160 mg/kg/day) and 2/5 (40 mg/kg/day, MTD >960 mg/kg), respectively, and they were extremely active against melanoma LOX IMVI cancer, LC50 = 22 nM and 69 nM, respectively.
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Affiliation(s)
- Natasa Terzić
- Institute of Chemistry, Technology and Metallurgy, Belgrade, Serbia
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25
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Singh C, Sharma U, Saxena G, Puri SK. Orally active antimalarials: Synthesis and bioevaluation of a new series of steroid-based 1,2,4-trioxanes against multi-drug resistant malaria in mice. Bioorg Med Chem Lett 2007; 17:4097-101. [PMID: 17548195 DOI: 10.1016/j.bmcl.2007.05.055] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/24/2007] [Revised: 05/09/2007] [Accepted: 05/18/2007] [Indexed: 10/23/2022]
Abstract
A new series of steroid-based 1,2,4-trioxanes 7a-f, 8a-f and 9b-e have been synthesized and evaluated for their antimalarial activity against multi-drug resistant Plasmodium yoelii in Swiss mice by oral route. The biological activity shows a strong dependence on the size and the nature of the steroidal side chain. Pregnane-based trioxanes 8a-f show better activity profile than trioxanes 7a-f and 9b-e, derived from cholesterol and tigogenine, respectively.
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Affiliation(s)
- Chandan Singh
- Division of Medicinal and Process Chemistry, Central Drug Research Institute, Lucknow 226001, India.
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26
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Abstract
Several dicyclohexylidene tetraoxanes were prepared in order to gain a further insight into structure-activity relationship of this kind of antimalarials. The tetraoxanes 2-5, obtained as a cis/trans mixture, showed pronounced antimalarial activity against Plasmodium falciparum chloroquine susceptible D6, chloroquine resistant W2 and multidrug-resistant TM91C235 (Thailand) strains. They have better than or similar activity to the corresponding desmethyl dicyclohexylidene derivatives. Two chimeric endoperoxides with superior antimalarial activity to the natural product ascaridole were also synthesized.
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27
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Opsenica I, Terzić N, Opsenica D, Angelovski G, Lehnig M, Eilbracht P, Tinant B, Juranić Z, Smith KS, Yang YS, Diaz DS, Smith PL, Milhous WK, Doković D, Solaja BA. Tetraoxane antimalarials and their reaction with Fe(II). J Med Chem 2006; 49:3790-9. [PMID: 16789736 DOI: 10.1021/jm050966r] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Mixed tetraoxanes 5a and 13 synthesized from cholic acid and 4-oxocyclohexanecarboxylic acid were as active as artemisinin against chloroquine-susceptible, chloroquine-resistant, and multidrug-resistant Plasmodium falciparum strains (IC50, IC90). Most active 13 is metabolically stable in in vitro metabolism studies. In vivo studies on tetraoxanes with a C(4' ') methyl group afforded compound 15, which cured 4/5 mice at 600 and 200 mg.kg-1.day-1, and 2/5 mice at 50 mg.kg-1.day-1, showing no toxic effects. Tetraoxane 19 was an extremely active antiproliferative with LC50 of 17 nM and maximum tolerated dose of 400 mg/kg. In Fe(II)-induced scission of tetraoxane antimalarials only RO* radicals were detected by EPR experiments. This finding and the indication of Fe(IV)=O species led us to propose that RO* radicals are probably capable of inducing the parasite's death. Our results suggest that C radicals are possibly not the only lethal species derived from peroxide prodrug antimalarials, as currently believed.
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Affiliation(s)
- Igor Opsenica
- Institute of Chemistry, Technology and Metallurgy, Belgrade, Serbia and Montenegro
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28
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Structure-activity relationship study of steroidal 1,2,4,5-tetraoxane animalarials using computational procedures. JOURNAL OF THE SERBIAN CHEMICAL SOCIETY 2005. [DOI: 10.2298/jsc0503329b] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
A three-dimensional QSAR pharmacophore model for antimalarial activity of steroidal 1,2,4,5-tetraoxanes was developed from a set of 17 substituted antimalarial derivatives out of 27 analogues that exhibited remarkable in vitro activity (below 100 ng/mL) against sensitive and multidrug-resistant Plasmodium falciparum malaria. The pharmacophore, which contains two hydrogen bond acceptors (lipid) and one hydrophobic (aliphatic) feature, was found to map well onto the potent analogues and many other well-known antimalarial trioxane drugs including artemisinin, arteether, artesunic acid, and tetraoxanes. The presence of at least one hydrogen bond acceptor in the trioxane or the tetraoxane moiety appears to be necessary for potent activity of this class of compounds. Docking calculations of some of these compounds with heme are consistent with the above observation as the proximity of the heme iron to the oxygen atom of the trioxane or the tetraoxane moiety favors potent activity of the compounds. Electron transfer from the oxygen of trioxane or the tetraoxane appears to be crucial for mechanism of action of the compounds. This information together with the pharmacophore should enable search for new peroxide containing antimalarial candidates from databases and custom designed synthesis of more efficacious and safer analogues.
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29
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Opsenica I, Terzic N, Opsenica D, Milhous W, Solaja B. 7, 8, 15, 16-Tetraoxa-dispiro [5. 2. 5. 2]hexadecane-3-carboxylic acid derivatives and their antimalarial activity. JOURNAL OF THE SERBIAN CHEMICAL SOCIETY 2004. [DOI: 10.2298/jsc0411919o] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Several C2 symmetrical mixed tetraoxanes were prepared starting from a gemdihydroperoxide and a ketone. The obtained tetraoxanes showed pronounced antimalarial activity against P. falciparum chloroquine resistant W2 and chloroquine susceptible D6 strains, with N-(2-dimethylamino)ethyl-7,8,15,16-tetraoxa-dispiro S5.2.5.2Chexadecane-3-carboxamide being as active as artemisinin.
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Affiliation(s)
- Igor Opsenica
- Institute of Chemistry, Technology and Metallurgy, Belgrade, Serbia and Montenegro
| | - Natasa Terzic
- Institute of Chemistry, Technology and Metallurgy, Belgrade, Serbia and Montenegro
| | - Dejan Opsenica
- Institute of Chemistry, Technology and Metallurgy, Belgrade, Serbia and Montenegro
| | - Wilbur Milhous
- Devision of Experimental Therapeutics, Walter Reed Army Institute of Research, Washington, USA
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30
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Abstract
Synthesis of a steroidal dendrimer core possessing various functional termini, such as ester, carboxy and hydroxy, is presented. The approach described enables further simple manipulations for the introduction of more complex functionalities.
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