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Parvatkar PT, Diagne K, Zhao Y, Manetsch R. Indoloquinoline Alkaloids as Antimalarials: Advances, Challenges, and Opportunities. ChemMedChem 2024:e202400254. [PMID: 38840271 DOI: 10.1002/cmdc.202400254] [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: 04/09/2024] [Revised: 05/30/2024] [Accepted: 06/05/2024] [Indexed: 06/07/2024]
Abstract
Malaria infections affect almost half of the world's population, with over 200 million cases reported annually. Cryptolepis sanguinolenta, a plant native to West Africa, has long been used across various regions of Africa for malaria treatment. Chemical analysis has revealed that the plant is abundant in indoloquinolines, which have been shown to possess antimalarial properties. Cryptolepine, neocryptolepine, and isocryptolepine are well-studied indoloquinoline alkaloids known for their potent antimalarial activity. However, their structural rigidity and associated cellular toxicity are major drawbacks for preclinical development. This review focuses on the potential of indoloquinoline alkaloids (cryptolepine, neocryptolepine, and isocryptolepine) as scaffolds in drug discovery. The article delves into their antimalarial effects in vitro and in vivo, as well as their proposed mechanisms of action and structure-activity relationship studies. Several studies aim to improve these leads by reducing cytotoxicity while preserving or enhancing antimalarial activity and gaining insights into their mechanisms of action. These investigations highlight the potential of indoloquinolines as a scaffold for developing new antimalarial drugs.
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Affiliation(s)
- Prakash T Parvatkar
- Department of Chemistry and Chemical Biology, Northeastern University, Boston, MA 02115, USA
| | - Khaly Diagne
- Department of Chemistry and Chemical Biology, Northeastern University, Boston, MA 02115, USA
| | - Yingzhao Zhao
- Department of Chemistry and Chemical Biology, Northeastern University, Boston, MA 02115, USA
| | - Roman Manetsch
- Department of Chemistry and Chemical Biology, Northeastern University, Boston, MA 02115, USA
- Department of Pharmaceutical Sciences, Northeastern University, Boston, MA 02115, USA
- Center for Drug Discovery, Northeastern University, Boston, MA 02115, USA
- Barnett Institute of Chemical and Biological Analysis, Northeastern University, Boston, MA 02115, USA
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2
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Králová P, Soural M. Biological properties of pyrroloquinoline and pyrroloisoquinoline derivatives. Eur J Med Chem 2024; 269:116287. [PMID: 38492334 DOI: 10.1016/j.ejmech.2024.116287] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 02/24/2024] [Accepted: 02/25/2024] [Indexed: 03/18/2024]
Abstract
In this review, we summarize pyrroloquinoline and pyrroloisoquinoline derivatives (PQs and PIQs) that act on a broad spectrum of biological targets and are used as bacteriostatic, antiviral, plasmodial, anticancer, antidiabetic and anticoagulant agents. Many of these compounds play important roles in the study of DNA and its interactions, the regulation of the cell cycle and programmed cell death. This review involves twenty-five types of skeletally analogical compounds bearing pyrrole and (iso)quinoline scaffolds with different mutual annelations.
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Affiliation(s)
- Petra Králová
- Department of Organic Chemistry, Faculty of Science, Palacký University, 17. listopadu12, 771 46, Olomouc, Czech Republic
| | - Miroslav Soural
- Department of Organic Chemistry, Faculty of Science, Palacký University, 17. listopadu12, 771 46, Olomouc, Czech Republic.
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3
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da Silva G, Luz AFS, Duarte D, Fontinha D, Silva VLM, Almeida Paz FA, Madureira AM, Simões S, Prudêncio M, Nogueira F, Silva AMS, Moreira R. Facile Access to Structurally Diverse Antimalarial Indoles Using a One-Pot A 3 Coupling and Domino Cyclization Approach. ChemMedChem 2023; 18:e202300264. [PMID: 37392377 DOI: 10.1002/cmdc.202300264] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2023] [Revised: 06/30/2023] [Accepted: 06/30/2023] [Indexed: 07/03/2023]
Abstract
A multistep and diversity-oriented synthetic route aiming at the A3 coupling/domino cyclization of o-ethynyl anilines, aldehydes and s-amines is described. The preparation of the corresponding precursors included a series of transformations, such as haloperoxidation and Sonogashira cross-coupling reactions, amine protection, desilylation and amine reduction. Some products of the multicomponent reaction underwent further detosylation and Suzuki coupling. The resulting library of structurally diverse compounds was evaluated against blood and liver stage malaria parasites, which revealed a promising lead with sub-micromolar activity against intra-erythrocytic forms of Plasmodium falciparum. The results from this hit-to-lead optimization are hereby reported for the first time.
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Affiliation(s)
- Gustavo da Silva
- Research Institute for Medicines (iMed.ULisboa), Faculdade de Farmácia da Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003, Lisboa, Portugal
- LAQV-REQUIMTE and Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal
| | - André F S Luz
- Research Institute for Medicines (iMed.ULisboa), Faculdade de Farmácia da Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003, Lisboa, Portugal
| | - Denise Duarte
- GHTM - Global Health and Tropical Medicine, Universidade Nova de Lisboa, Rua da Junqueira n° 100, 1349-008, Lisboa, Portugal
| | - Diana Fontinha
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Av. Prof. Egas Moniz, 1649-028, Lisboa, Portugal
| | - Vera L M Silva
- LAQV-REQUIMTE and Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal
| | - Filipe A Almeida Paz
- Department of Chemistry & CICECO -, Aveiro Institute of Materials, University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal
| | - Ana M Madureira
- Research Institute for Medicines (iMed.ULisboa), Faculdade de Farmácia da Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003, Lisboa, Portugal
| | - Sandra Simões
- Research Institute for Medicines (iMed.ULisboa), Faculdade de Farmácia da Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003, Lisboa, Portugal
| | - Miguel Prudêncio
- Instituto de Medicina Molecular, Faculdade de Medicina, Universidade de Lisboa, Av. Prof. Egas Moniz, 1649-028, Lisboa, Portugal
| | - Fátima Nogueira
- GHTM - Global Health and Tropical Medicine, Universidade Nova de Lisboa, Rua da Junqueira n° 100, 1349-008, Lisboa, Portugal
| | - Artur M S Silva
- LAQV-REQUIMTE and Department of Chemistry, University of Aveiro, Campus Universitário de Santiago, 3810-193, Aveiro, Portugal
| | - Rui Moreira
- Research Institute for Medicines (iMed.ULisboa), Faculdade de Farmácia da Universidade de Lisboa, Av. Prof. Gama Pinto, 1649-003, Lisboa, Portugal
- GHTM - Global Health and Tropical Medicine, Universidade Nova de Lisboa, Rua da Junqueira n° 100, 1349-008, Lisboa, Portugal
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Chu QR, He YH, Tang C, Zhang ZJ, Luo XF, Zhang BQ, Zhou Y, Wu TL, Du SS, Yang CJ, Liu YQ. Design, Synthesis, and Antimicrobial Activity of Quindoline Derivatives Inspired by the Cryptolepine Alkaloid. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2022; 70:2851-2863. [PMID: 35226498 DOI: 10.1021/acs.jafc.1c07536] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Based on the structural characteristics of the cryptolepine alkaloid, a series of new quindoline derivatives bearing various substituents were prepared and evaluated for their fungicidal and antibacterial activities. Bioassay results showed that compound D7 displayed superior in vitro fungicidal activities against Sclerotinia sclerotiorum, Botrytis cinerea, Fusarium graminearum, and Rhizoctonia solani with EC50 values of 0.780, 3.62, 1.59, and 2.85 μg/mL, respectively. Compound A7 showed apparent antibacterial activities toward Xanthomonas oryzae pv. oryzae with a minimum inhibitory concentration (MIC) value of 3.12 μg/mL. Significantly, in vivo antifungal activity suggested that the curative effect (98.3%) of compound D7 was comparable to that of the positive control azoxystrobin (96.7%) at 100 μg/mL. Preliminary mechanistic studies showed that compound D7 might cause mycelial abnormality of S. sclerotiorum, cell membrane breakage, accumulation of reactive oxygen species (ROS), and inhibition of sclerotia formation. Therefore, compound D7 could be a novel broad-spectrum fungicidal candidate against plant fungal diseases.
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Affiliation(s)
- Qing-Ru Chu
- School of Pharmacy, Lanzhou University, Lanzhou 730000, People's Republic of China
| | - Ying-Hui He
- School of Pharmacy, Lanzhou University, Lanzhou 730000, People's Republic of China
| | - Chen Tang
- School of Pharmacy, Lanzhou University, Lanzhou 730000, People's Republic of China
| | - Zhi-Jun Zhang
- School of Pharmacy, Lanzhou University, Lanzhou 730000, People's Republic of China
| | - Xiong-Fei Luo
- School of Pharmacy, Lanzhou University, Lanzhou 730000, People's Republic of China
| | - Bao-Qi Zhang
- School of Pharmacy, Lanzhou University, Lanzhou 730000, People's Republic of China
| | - Yong Zhou
- School of Pharmacy, Lanzhou University, Lanzhou 730000, People's Republic of China
| | - Tian-Lin Wu
- School of Pharmacy, Lanzhou University, Lanzhou 730000, People's Republic of China
| | - Sha-Sha Du
- School of Pharmacy, Lanzhou University, Lanzhou 730000, People's Republic of China
| | - Cheng-Jie Yang
- School of Pharmacy, Lanzhou University, Lanzhou 730000, People's Republic of China
| | - Ying-Qian Liu
- School of Pharmacy, Lanzhou University, Lanzhou 730000, People's Republic of China
- State Key Laboratory of Grassland Agro-ecosystems, Lanzhou University, Lanzhou 730000, People's Republic of China
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Recent Progress in the Development of Indole-Based Compounds Active against Malaria, Trypanosomiasis and Leishmaniasis. MOLECULES (BASEL, SWITZERLAND) 2022; 27:molecules27010319. [PMID: 35011552 PMCID: PMC8746838 DOI: 10.3390/molecules27010319] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 12/31/2021] [Accepted: 01/01/2022] [Indexed: 01/06/2023]
Abstract
Human protozoan diseases represent a serious health problem worldwide, affecting mainly people in social and economic vulnerability. These diseases have attracted little investment in drug discovery, which is reflected in the limited available therapeutic arsenal. Authorized drugs present problems such as low efficacy in some stages of the disease or toxicity, which result in undesirable side effects and treatment abandonment. Moreover, the emergence of drug-resistant parasite strains makes necessary an even greater effort to develop safe and effective antiparasitic agents. Among the chemotypes investigated for parasitic diseases, the indole nucleus has emerged as a privileged molecular scaffold for the generation of new drug candidates. In this review, the authors provide an overview of the indole-based compounds developed against important parasitic diseases, namely malaria, trypanosomiasis and leishmaniasis, by focusing on the design, optimization and synthesis of the most relevant synthetic indole scaffolds recently reported.
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Nuthakki VK, Mudududdla R, Bharate SB. Role of basic aminoalkyl chains in the lead optimization of Indoloquinoline alkaloids. Eur J Med Chem 2021; 227:113938. [PMID: 34710743 DOI: 10.1016/j.ejmech.2021.113938] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2021] [Revised: 10/12/2021] [Accepted: 10/19/2021] [Indexed: 11/19/2022]
Abstract
Indoloquinoline (IQ) is an important class of naturally occurring antimalarial alkaloids, mainly represented by cryptolepine, isocryptolepine, and neocryptolepine. The IQ structural framework consists of four isomeric ring systems differing via the linkage of indole with quinoline as [3,2-b], [3,2-c], [2,3-c], and [2,3-b]. Structurally, IQs are planar and thus they bind strongly to the DNA which largely contributes to their biological properties. The structural rigidity and associated nonspecific cellular toxicity is a key shortcoming of the IQ structural framework for preclinical development. Thus, the lead optimization efforts were aimed at improving the therapeutic window and ADME properties of IQs. The structural modifications mainly involved attaching the basic aminoalkyl chains that positively modulates the vital physicochemical and topological parameters, thereby improves biological activity. Our analysis has found that the aminoalkylation consistently improved the selectivity index and provided acceptable in-vivo antimalarial/anticancer activity. Herein, we critically review the role of aminoalkylation in deciphering the antimalarial and cytotoxic activity of IQs.
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Affiliation(s)
- Vijay K Nuthakki
- Natural Products & Medicinal Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu, 180001, India; Academy of Scientific & Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Ramesh Mudududdla
- Natural Products & Medicinal Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu, 180001, India; Academy of Scientific & Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Sandip B Bharate
- Natural Products & Medicinal Chemistry Division, CSIR-Indian Institute of Integrative Medicine, Canal Road, Jammu, 180001, India; Academy of Scientific & Innovative Research (AcSIR), Ghaziabad, 201002, India.
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Chen YJ, Liu H, Zhang SY, Li H, Ma KY, Liu YQ, Yin XD, Zhou R, Yan YF, Wang RX, He YH, Chu QR, Tang C. Design, Synthesis, and Antifungal Evaluation of Cryptolepine Derivatives against Phytopathogenic Fungi. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2021; 69:1259-1271. [PMID: 33496176 DOI: 10.1021/acs.jafc.0c06480] [Citation(s) in RCA: 31] [Impact Index Per Article: 10.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Inspired by the widely antiphytopathogenic application of diversified derivatives from natural sources, cryptolepine and its derivatives were subsequently designed, synthesized, and evaluated for their antifungal activities against four agriculturally important fungi Rhizoctonia solani, Botrytis cinerea, Fusarium graminearum, and Sclerotinia sclerotiorum. The results obtained from in vitro assay indicated that compounds a1-a24 showed great fungicidal property against B. cinerea (EC50 < 4 μg/mL); especially, a3 presented significantly prominent inhibitory activity with an EC50 of 0.027 μg/mL. In the pursuit of further expanding the antifungal spectrum of cryptolepine, ring-opened compound f1 produced better activity with an EC50 of 3.632 μg/mL against R. solani and an EC50 of 5.599 μg/mL against F. graminearum. Furthermore, a3 was selected to be a candidate to investigate its preliminary antifungal mechanism to B. cinerea, revealing that not only spore germination was effectively inhibited and the normal physiological structure of mycelium was severely undermined but also detrimental reactive oxygen was obviously accumulated and the normal function of the nucleus was fairly disordered. Besides, in vivo curative experiment against B. cinerea found that the therapeutic action of a3 was comparable to that of the positive control azoxystrobin. These results suggested that compound a3 could be regarded as a novel and promising agent against B. cinerea for its valuable potency.
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Affiliation(s)
- Yong-Jia Chen
- School of Pharmacy, Lanzhou University, Lanzhou 730000, People's Republic of China
| | - Hua Liu
- School of Pharmacy, Lanzhou University, Lanzhou 730000, People's Republic of China
| | - Shao-Yong Zhang
- Key Laboratory of Vector Biology and Pathogen Control of Zhejiang Province, College of Life Science, Huzhou University, Huzhou 313000, China
| | - Hu Li
- School of Pharmacy, Lanzhou University, Lanzhou 730000, People's Republic of China
| | - Kun-Yuan Ma
- School of Pharmacy, Lanzhou University, Lanzhou 730000, People's Republic of China
| | - Ying-Qian Liu
- School of Pharmacy, Lanzhou University, Lanzhou 730000, People's Republic of China
| | - Xiao-Dan Yin
- School of Pharmacy, Lanzhou University, Lanzhou 730000, People's Republic of China
| | - Rui Zhou
- School of Pharmacy, Lanzhou University, Lanzhou 730000, People's Republic of China
| | - Yin-Fang Yan
- School of Pharmacy, Lanzhou University, Lanzhou 730000, People's Republic of China
| | - Ren-Xuan Wang
- School of Pharmacy, Lanzhou University, Lanzhou 730000, People's Republic of China
| | - Ying-Hui He
- School of Pharmacy, Lanzhou University, Lanzhou 730000, People's Republic of China
| | - Qing-Ru Chu
- School of Pharmacy, Lanzhou University, Lanzhou 730000, People's Republic of China
| | - Chen Tang
- School of Pharmacy, Lanzhou University, Lanzhou 730000, People's Republic of China
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Li J, Sun X, Li J, Yu F, Zhang Y, Huang X, Jiang F. The antimalarial activity of indole alkaloids and hybrids. Arch Pharm (Weinheim) 2020; 353:e2000131. [PMID: 32785974 DOI: 10.1002/ardp.202000131] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Revised: 07/03/2020] [Accepted: 07/21/2020] [Indexed: 12/21/2022]
Affiliation(s)
- Jue‐Ying Li
- Ultrasonography Department, The Central Hospital of Wuhan, Tongji Medical College Huazhong University of Science and Technology Wuhan China
| | - Xiao‐Feng Sun
- Ultrasonography Department, The Central Hospital of Wuhan, Tongji Medical College Huazhong University of Science and Technology Wuhan China
| | - Jing‐Jing Li
- Ultrasonography Department, The Central Hospital of Wuhan, Tongji Medical College Huazhong University of Science and Technology Wuhan China
| | - Fen Yu
- Ultrasonography Department, The Central Hospital of Wuhan, Tongji Medical College Huazhong University of Science and Technology Wuhan China
| | - Yi Zhang
- Ultrasonography Department, The Central Hospital of Wuhan, Tongji Medical College Huazhong University of Science and Technology Wuhan China
| | - Xiu‐Juan Huang
- Ultrasonography Department, The Central Hospital of Wuhan, Tongji Medical College Huazhong University of Science and Technology Wuhan China
| | - Feng‐Xia Jiang
- Ultrasonography Department, The Central Hospital of Wuhan, Tongji Medical College Huazhong University of Science and Technology Wuhan China
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Feng LS, Xu Z, Chang L, Li C, Yan XF, Gao C, Ding C, Zhao F, Shi F, Wu X. Hybrid molecules with potential in vitro antiplasmodial and in vivo antimalarial activity against drug-resistant Plasmodium falciparum. Med Res Rev 2019; 40:931-971. [PMID: 31692025 DOI: 10.1002/med.21643] [Citation(s) in RCA: 39] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/04/2019] [Revised: 09/16/2019] [Accepted: 10/08/2019] [Indexed: 12/12/2022]
Abstract
Malaria is a tropical disease, leading to around half a million deaths annually. Antimalarials such as quinolines are crucial to fight against malaria, but malaria control is extremely challenged by the limited pipeline of effective pharmaceuticals against drug-resistant strains of Plasmodium falciparum which are resistant toward almost all currently accessible antimalarials. To tackle the growing resistance, new antimalarial drugs are needed urgently. Hybrid molecules which contain two or more pharmacophores have the potential to overcome the drug resistance, and hybridization of quinoline privileged antimalarial building block with other antimalarial pharmacophores may provide novel molecules with enhanced in vitro and in vivo activity against drug-resistant (including multidrug-resistant) P falciparum. In recent years, numerous of quinoline hybrids were developed, and their activities against a panel of drug-resistant P falciparum strains were screened. Some of quinoline hybrids were found to possess promising in vitro and in vivo potency. This review emphasized quinoline hybrid molecules with potential in vitro antiplasmodial and in vivo antimalarial activity against drug-resistant P falciparum, covering articles published between 2010 and 2019.
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Affiliation(s)
| | - Zhi Xu
- Guizhou University of Traditional Chinese Medicine, Guiyang, China
| | - Le Chang
- WuXi AppTec Co, Ltd, Wuhan, China
| | - Chuan Li
- WuXi AppTec Co, Ltd, Wuhan, China
| | | | | | | | | | - Feng Shi
- WuXi AppTec Co, Ltd, Wuhan, China
| | - Xiang Wu
- WuXi AppTec Co, Ltd, Wuhan, China
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Narula AK, Azad CS, Nainwal LM. New dimensions in the field of antimalarial research against malaria resurgence. Eur J Med Chem 2019; 181:111353. [DOI: 10.1016/j.ejmech.2019.05.043] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2018] [Revised: 04/16/2019] [Accepted: 05/15/2019] [Indexed: 12/20/2022]
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11
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Diao PC, Hu MJ, Yang HK, You WW, Zhao PL. Facile one-pot synthesis, antiproliferative evaluation and structure-activity relationships of 3-amino-1H-indoles and 3-amino-1H-7-azaindoles. Bioorg Chem 2019; 88:102914. [DOI: 10.1016/j.bioorg.2019.04.008] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2018] [Revised: 03/26/2019] [Accepted: 04/06/2019] [Indexed: 12/31/2022]
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12
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Recent advances of tetrazole derivatives as potential anti-tubercular and anti-malarial agents. Eur J Med Chem 2018; 163:404-412. [PMID: 30530192 DOI: 10.1016/j.ejmech.2018.12.001] [Citation(s) in RCA: 83] [Impact Index Per Article: 13.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/04/2018] [Revised: 11/30/2018] [Accepted: 12/01/2018] [Indexed: 12/18/2022]
Abstract
Tetrazole, a bioisostere of the carboxylic acid group, can replace the carboxyl group in drugs to increase the lipophilicity, bioavailability and reduce side effects. Tetrazole derivatives possess a broad-spectrum of biological properties including anti-tubercular and anti-malarial activities, and some tetrazole-based compounds have already been used in clinics for the treatment of various diseases. Therefore, tetrazole is an important pharmacophore in the development of new drugs. This review covers the recent advances of tetrazole derivatives as potential anti-tubercular and anti-malarial agents, and the structure-activity relationship is also discussed for the further rational design of tetrazole derivatives.
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Lobo L, Cabral LIL, Sena MI, Guerreiro B, Rodrigues AS, de Andrade-Neto VF, Cristiano MLS, Nogueira F. New endoperoxides highly active in vivo and in vitro against artemisinin-resistant Plasmodium falciparum. Malar J 2018; 17:145. [PMID: 29615130 PMCID: PMC5883364 DOI: 10.1186/s12936-018-2281-x] [Citation(s) in RCA: 25] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2017] [Accepted: 03/21/2018] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND The emergence and spread of Plasmodium falciparum resistance to artemisinin-based combination therapy in Southeast Asia prompted the need to develop new endoperoxide-type drugs. METHODS A chemically diverse library of endoperoxides was designed and synthesized. The compounds were screened for in vitro and in vivo anti-malarial activity using, respectively, the SYBR Green I assay and a mouse model. Ring survival and mature stage survival assays were performed against artemisinin-resistant and artemisinin-sensitive P. falciparum strains. Cytotoxicity was evaluated against mammalian cell lines V79 and HepG2, using the MTT assay. RESULTS The synthesis and anti-malarial activity of 21 new endoperoxide-derived compounds is reported, where the peroxide pharmacophore is part of a trioxolane (ozonide) or a tetraoxane moiety, flanked by adamantane and a substituted cyclohexyl ring. Eight compounds exhibited sub-micromolar anti-malarial activity (IC50 0.3-71.1 nM), no cross-resistance with artemisinin or quinolone derivatives and negligible cytotoxicity towards mammalian cells. From these, six produced ring stage survival < 1% against the resistant strain IPC5202 and three of them totally suppressed Plasmodium berghei parasitaemia in mice after oral administration. CONCLUSION The investigated, trioxolane-tetrazole conjugates LC131 and LC136 emerged as potential anti-malarial candidates; they show negligible toxicity towards mammalian cells, ability to kill intra-erythrocytic asexual stages of artemisinin-resistant P. falciparum and capacity to totally suppress P. berghei parasitaemia in mice.
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Affiliation(s)
- Lis Lobo
- Global Health and Tropical Medicine, GHTM, Unidade de Ensino e Investigação de Parasitologia Médica, Instituto de Higiene e Medicina Tropical, IHMT, Universidade Nova de Lisboa, UNL, Rua da Junqueira no 100, 1349-008, Lisbon, Portugal.,Laboratório de Biologia da Malária e Toxoplasmose, Departamento de Microbiologia e Parasitologia, Universidade Federal do Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
| | - Lília I L Cabral
- Centre of Marine Sciences, CCMAR, Universidade do Algarve, UAlg, Campus de Gambelas, 8005-139, Faro, Portugal.,Departmento de Química e Farmácia, Faculdade de Ciências e Tecnologia, FCT, Universidade do Algarve, Faro, Portugal
| | - Maria Inês Sena
- Centre of Marine Sciences, CCMAR, Universidade do Algarve, UAlg, Campus de Gambelas, 8005-139, Faro, Portugal
| | - Bruno Guerreiro
- Centre of Marine Sciences, CCMAR, Universidade do Algarve, UAlg, Campus de Gambelas, 8005-139, Faro, Portugal.,Departmento de Química e Farmácia, Faculdade de Ciências e Tecnologia, FCT, Universidade do Algarve, Faro, Portugal
| | - António Sebastião Rodrigues
- Centre for Toxicogenomics and Human Health, Genetics, Oncology and Human Toxicology, Nova Medical School, Lisbon, Portugal
| | - Valter Ferreira de Andrade-Neto
- Laboratório de Biologia da Malária e Toxoplasmose, Departamento de Microbiologia e Parasitologia, Universidade Federal do Rio Grande do Norte, Natal, Rio Grande do Norte, Brazil
| | - Maria L S Cristiano
- Centre of Marine Sciences, CCMAR, Universidade do Algarve, UAlg, Campus de Gambelas, 8005-139, Faro, Portugal. .,Departmento de Química e Farmácia, Faculdade de Ciências e Tecnologia, FCT, Universidade do Algarve, Faro, Portugal.
| | - Fatima Nogueira
- Global Health and Tropical Medicine, GHTM, Unidade de Ensino e Investigação de Parasitologia Médica, Instituto de Higiene e Medicina Tropical, IHMT, Universidade Nova de Lisboa, UNL, Rua da Junqueira no 100, 1349-008, Lisbon, Portugal.
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Nowacki M, Wojciechowski K. Transition-metal-free [3 + 3] annulation of indol-2-ylmethyl carbanions to nitroarenes. A novel synthesis of indolo[3,2- b]quinolines (quindolines). Beilstein J Org Chem 2018; 14:194-202. [PMID: 29441142 PMCID: PMC5789443 DOI: 10.3762/bjoc.14.14] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2017] [Accepted: 01/10/2018] [Indexed: 11/30/2022] Open
Abstract
Indol-2-ylmethyl carbanions stabilized by alkoxycarbonyl, cyano or benzenesulfonyl groups react with nitroarenes to form σH-adducts, which in the presence of base (triethylamine or DBU) and trimethylchlorosilane transform into indolo[3,2-b]quinoline derivatives in moderate to good yields.
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Affiliation(s)
- Michał Nowacki
- Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
| | - Krzysztof Wojciechowski
- Institute of Organic Chemistry, Polish Academy of Sciences, Kasprzaka 44/52, 01-224 Warsaw, Poland
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15
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Fan YL, Cheng XW, Wu JB, Liu M, Zhang FZ, Xu Z, Feng LS. Antiplasmodial and antimalarial activities of quinolone derivatives: An overview. Eur J Med Chem 2018; 146:1-14. [PMID: 29360043 DOI: 10.1016/j.ejmech.2018.01.039] [Citation(s) in RCA: 53] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2017] [Revised: 01/03/2018] [Accepted: 01/12/2018] [Indexed: 10/18/2022]
Abstract
Malaria remains one of the most deadly infectious diseases globally. Considering the growing spread of resistance, development of new and effective antimalarials remains an urgent priority. Quinolones, which are emerged as one of the most important class of antibiotics in the treatment of various bacterial infections, showed potential in vitro antiplasmodial and in vivo antimalarial activities, making them promising candidates for the chemoprophylaxis and treatment of malaria. This review presents the current progresses and applications of quinolone-based derivatives as potential antimalarials to pave the way for the development of new antimalarials.
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Affiliation(s)
- Yi-Lei Fan
- College of Pharmaceutical Science & Green Pharmaceutical Collaborative Innovation Center of Yangtze River Delta Region, Zhejiang University of Technology, Hangzhou, 310014, PR China; Key Laboratory of Drug Prevention and Control Technology of Zhejiang Province, Zhejiang Police College, Hangzhou, PR China
| | - Xiang-Wei Cheng
- Key Laboratory of Drug Prevention and Control Technology of Zhejiang Province, Zhejiang Police College, Hangzhou, PR China
| | - Jian-Bing Wu
- Key Laboratory of Drug Prevention and Control Technology of Zhejiang Province, Zhejiang Police College, Hangzhou, PR China
| | - Min Liu
- College of Pharmaceutical Science & Green Pharmaceutical Collaborative Innovation Center of Yangtze River Delta Region, Zhejiang University of Technology, Hangzhou, 310014, PR China
| | - Feng-Zhi Zhang
- College of Pharmaceutical Science & Green Pharmaceutical Collaborative Innovation Center of Yangtze River Delta Region, Zhejiang University of Technology, Hangzhou, 310014, PR China.
| | - Zhi Xu
- School of Chemistry and Chemical Engineering, Wuhan University of Science and Technology, Wuhan, Hubei, 430081, PR China
| | - Lian-Shun Feng
- Synthetic and Functional Biomolecules Center, Peking University, Beijing, PR China
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16
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Hu YQ, Gao C, Zhang S, Xu L, Xu Z, Feng LS, Wu X, Zhao F. Quinoline hybrids and their antiplasmodial and antimalarial activities. Eur J Med Chem 2017; 139:22-47. [DOI: 10.1016/j.ejmech.2017.07.061] [Citation(s) in RCA: 203] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2017] [Revised: 07/24/2017] [Accepted: 07/24/2017] [Indexed: 11/30/2022]
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17
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Santos SA, Lukens AK, Coelho L, Nogueira F, Wirth DF, Mazitschek R, Moreira R, Paulo A. Exploring the 3-piperidin-4-yl-1H-indole scaffold as a novel antimalarial chemotype. Eur J Med Chem 2015; 102:320-33. [PMID: 26295174 DOI: 10.1016/j.ejmech.2015.07.047] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2015] [Revised: 07/24/2015] [Accepted: 07/28/2015] [Indexed: 11/18/2022]
Abstract
A series of 3-piperidin-4-yl-1H-indoles with building block diversity was synthesized based on a hit derived from an HTS whole-cell screen against Plasmodium falciparum. Thirty-eight compounds were obtained following a three-step synthetic approach and evaluated for anti-parasitic activity. The SAR shows that 3-piperidin-4-yl-1H-indole is intolerant to most N-piperidinyl modifications. Nevertheless, we were able to identify a new compound (10d) with lead-like properties (MW = 305; cLogP = 2.42), showing antimalarial activity against drug-resistant and sensitive strains (EC50 values ∼ 3 μM), selectivity for malaria parasite and no cross-resistance with chloroquine, thus representing a potential new chemotype for further optimization towards novel and affordable antimalarial drugs.
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Affiliation(s)
- Sofia A Santos
- Research Institute for Medicines (iMed.ULisboa), Faculdade de Farmácia, Universidade de Lisboa, Av. Professor Gama Pinto, 1640-003 Lisbon, Portugal; Center for Systems Biology, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Amanda K Lukens
- The Broad Institute, Infectious Diseases Initiative, Cambridge, MA 02142, USA; Harvard School of Public Health, Department of Immunology and Infectious Disease, Boston, MA 02115, USA
| | - Lis Coelho
- UEI Malaria, Centro da Malária e Doenças Tropicais, IHMT, Universidade Nova de Lisboa, Rua da Junqueira, 100, P-1349-008 Lisboa, Portugal
| | - Fátima Nogueira
- UEI Malaria, Centro da Malária e Doenças Tropicais, IHMT, Universidade Nova de Lisboa, Rua da Junqueira, 100, P-1349-008 Lisboa, Portugal
| | - Dyann F Wirth
- The Broad Institute, Infectious Diseases Initiative, Cambridge, MA 02142, USA; Harvard School of Public Health, Department of Immunology and Infectious Disease, Boston, MA 02115, USA
| | - Ralph Mazitschek
- Center for Systems Biology, Massachusetts General Hospital, Boston, MA 02114, USA; The Broad Institute, Infectious Diseases Initiative, Cambridge, MA 02142, USA; Harvard School of Public Health, Department of Immunology and Infectious Disease, Boston, MA 02115, USA
| | - Rui Moreira
- Research Institute for Medicines (iMed.ULisboa), Faculdade de Farmácia, Universidade de Lisboa, Av. Professor Gama Pinto, 1640-003 Lisbon, Portugal
| | - Alexandra Paulo
- Research Institute for Medicines (iMed.ULisboa), Faculdade de Farmácia, Universidade de Lisboa, Av. Professor Gama Pinto, 1640-003 Lisbon, Portugal.
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18
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N10,N11-di-alkylamine indolo[3,2-b]quinolines as hemozoin inhibitors: Design, synthesis and antiplasmodial activity. Bioorg Med Chem 2015; 23:1530-9. [DOI: 10.1016/j.bmc.2015.02.007] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2014] [Revised: 02/02/2015] [Accepted: 02/04/2015] [Indexed: 11/20/2022]
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19
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Synthesis and antimalarial evaluation of prodrugs of novel fosmidomycin analogues. Bioorg Med Chem Lett 2015; 25:2112-6. [PMID: 25881827 DOI: 10.1016/j.bmcl.2015.03.077] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2015] [Revised: 03/24/2015] [Accepted: 03/25/2015] [Indexed: 01/30/2023]
Abstract
The continuous development of drug resistance by Plasmodium falciparum, the agent responsible for the most severe forms of malaria, creates the need for the development of novel drugs to fight this disease. Fosmidomycin is an effective antimalarial and potent antibiotic, known to act by inhibiting the enzyme 1-deoxy-d-xylulose-5-phosphate reductoisomerase (DXR), essential for the synthesis of isoprenoids in eubacteria and plasmodia, but not in humans. In this study, novel constrained cyclic prodrug analogues of fosmidomycin were synthesized. One, in which the hydroxamate function is incorporated into a six-membered ring, was found have higher antimalarial activity than fosmidomycin against the chloroquine and mefloquine resistant P. falciparum Dd2 strain. In addition, it showed very low cytotoxicity against cultured human cells.
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