1
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Wang Y, Jain V, Versace A, Bhardwaj M, Crissey MAS, Amaravadi RK, Winkler JD. Anticancer properties of bisaminoquinolines with modified linkers. Bioorg Med Chem Lett 2021; 49:128272. [PMID: 34298133 DOI: 10.1016/j.bmcl.2021.128272] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2021] [Revised: 06/28/2021] [Accepted: 07/14/2021] [Indexed: 10/20/2022]
Abstract
We have previously reported the unique features of dimeric bisaminoquinolines as anticancer agents and have identified their cellular target as PPT1, a protein palmitoyl-thioesterase. We now report a systematic study on the role of the linker in these constructs, both with respect to the distance between the heterocycles, the linker hydrophobicity and the methylation status (primary vs. secondary vs. tertiary) of the central nitrogen atom on the observed biological activity.
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Affiliation(s)
- Yuanhao Wang
- Department of Chemistry, University of Pennsylvania, United States
| | - Vaibhav Jain
- Department of Medicine and Abramson Cancer Center, University of Pennsylvania, United States
| | - Amanda Versace
- Department of Medicine and Abramson Cancer Center, University of Pennsylvania, United States
| | - Monika Bhardwaj
- Department of Medicine and Abramson Cancer Center, University of Pennsylvania, United States
| | - Mary Ann S Crissey
- Department of Medicine and Abramson Cancer Center, University of Pennsylvania, United States
| | - Ravi K Amaravadi
- Department of Medicine and Abramson Cancer Center, University of Pennsylvania, United States.
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2
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Bhanot A, Sundriyal S. Physicochemical Profiling and Comparison of Research Antiplasmodials and Advanced Stage Antimalarials with Oral Drugs. ACS OMEGA 2021; 6:6424-6437. [PMID: 33718733 PMCID: PMC7948433 DOI: 10.1021/acsomega.1c00104] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/07/2021] [Accepted: 02/18/2021] [Indexed: 06/12/2023]
Abstract
To understand the property space of antimalarials, we collated a large dataset of research antiplasmodial (RAP) molecules with known in vitro potencies and advanced stage antimalarials (ASAMs) with established oral bioavailability. While RAP molecules are "non-druglike", ASAM molecules display properties closer to Lipinski's and Veber's thresholds. Comparison within the different potency groups of RAP molecules indicates that the in vitro potency is positively correlated to the molecular weight, the calculated octanol-water partition coefficient (clog P), aromatic ring counts (#Ar), and hydrogen bond acceptors. Despite both categories being bioavailable, the ASAM molecules are relatively larger and more lipophilic, have a lower polar surface area, and possess a higher count of heteroaromatic rings than oral drugs. Also, antimalarials are found to have a higher proportion of aromatic (#ArN) and basic nitrogen (#BaN) counts, features implicitly used in the design of antimalarial molecules but not well studied hitherto. We also propose using descriptors scaled by the sum of #ArN and #BaN (SBAN) to define an antimalarial property space. Together, these results may have important applications in the identification and optimization of future antimalarials.
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Affiliation(s)
- Amritansh Bhanot
- Department of Pharmacy, Birla
Institute of Technology and Science Pilani, Pilani Campus,
Vidya Vihar, Pilani, Rajasthan 333 031, India
| | - Sandeep Sundriyal
- Department of Pharmacy, Birla
Institute of Technology and Science Pilani, Pilani Campus,
Vidya Vihar, Pilani, Rajasthan 333 031, India
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3
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Fonte M, Tassi N, Gomes P, Teixeira C. Acridine-Based Antimalarials-From the Very First Synthetic Antimalarial to Recent Developments. Molecules 2021; 26:molecules26030600. [PMID: 33498868 PMCID: PMC7865557 DOI: 10.3390/molecules26030600] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2020] [Revised: 01/18/2021] [Accepted: 01/21/2021] [Indexed: 02/07/2023] Open
Abstract
Malaria is among the deadliest infectious diseases in the world caused by Plasmodium parasites. Due to the high complexity of the parasite’s life cycle, we partly depend on antimalarial drugs to fight this disease. However, the emergence of resistance, mainly by Plasmodium falciparum, has dethroned most of the antimalarials developed to date. Given recent reports of resistance to artemisinin combination therapies, first-line treatment currently recommended by the World Health Organization, in Western Cambodia and across the Greater Mekong sub-region, it seems very likely that artemisinin and its derivatives will follow the same path of other antimalarial drugs. Consequently, novel, safe and efficient antimalarial drugs are urgently needed. One fast and low-cost strategy to accelerate antimalarial development is by recycling classical pharmacophores. Quinacrine, an acridine-based compound and the first clinically tested synthetic antimalarial drug with potent blood schizonticide but serious side effects, has attracted attention due to its broad spectrum of biological activity. In this sense, the present review will focus on efforts made in the last 20 years for the development of more efficient, safer and affordable antimalarial compounds, through recycling the classical quinacrine drug.
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4
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Tam DNH, Tawfik GM, El-Qushayri AE, Mehyar GM, Istanbuly S, Karimzadeh S, Tu VL, Tiwari R, Van Dat T, Nguyen PTV, Hirayama K, Huy NT. Correlation between anti-malarial and anti-haemozoin activities of anti-malarial compounds. Malar J 2020; 19:298. [PMID: 32825818 PMCID: PMC7441662 DOI: 10.1186/s12936-020-03370-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/27/2020] [Accepted: 08/10/2020] [Indexed: 11/10/2022] Open
Abstract
Background Despite noticeable improvement in anti-malarial treatment, rapid growth of resistant malaria strains points out the need for continuous development of novel anti-malarials to fight the disastrous infection. Haemozoin is considered as a novel inhibitory pathway for new anti-malarial drugs, therefore, this study aimed to systematically review all articles investigating the correlation between anti-malarial and anti-haemozoin activities of anti-malarial compounds. Methods A literature search was conducted on 22 October 2017 in eight databases for relevant in vitro articles reporting the correlation between anti-malarial and anti-haemozoin of anti-malarial compounds, based on the constructed search terms and inclusion criteria. ToxRtool was used to assess quality of each study. Results A total of ten articles were included in the review. In vitro anti-malarial and anti-haemozoin activity had a good correlation for quinolines for sensitive strains (R2 ranging from 0.66 to 0.95) and xanthones (Spearman ρ = 0.886). However, these correlations were reached after removing some compounds which had non-detectable anti-malarial or anti-haemozoin effects. Other structures (acridines, pyrolidines) showed negligible correlation with Spearman ρ ranging from 0.095 to 0.381 for acridines, and r varying from 0.54 to 0.62 for pyrolidines. Some good correlations were only shown in a logarithmic manner or when the anti-malarial activity was normalized. Conclusion The results raised a relative relationship between anti-haemozoin and in vitro anti-malarial activities. Some studies reported compounds that were effective in the inhibition of haemozoin formation, but failed to inhibit the parasite survival and vice versa. The correlation results in these studies were calculated after these compounds were removed from their analysis. The ability of anti-malarial compounds to accumulate inside the reaction site might strengthen their anti-malarial activity.
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Affiliation(s)
- Dao Ngoc Hien Tam
- Asia Shine Trading & Service CO. LTD., Ho Chi Minh City, Vietnam.,Online Research Club, Nagasaki, Japan
| | - Gehad Mohamed Tawfik
- Online Research Club, Nagasaki, Japan.,Faculty of Medicine, Ain Shams University, Cairo, Egypt
| | - Amr Ehab El-Qushayri
- Online Research Club, Nagasaki, Japan.,Faculty of Medicine, Minia University, Minia, 61519, Egypt
| | - Ghaleb Muhammad Mehyar
- Online Research Club, Nagasaki, Japan.,Southwest Physicians Associates S.C., 2955 W 95th St, Evergreen Park, IL, 60805, USA
| | - Sedralmontaha Istanbuly
- Online Research Club, Nagasaki, Japan.,Faculty of Medicine, University of Aleppo, Aleppo, Syrian Arab Republic
| | - Sedighe Karimzadeh
- Online Research Club, Nagasaki, Japan.,School of Medicine, Sabzevar University of Medical Sciences, Sabzevar, Iran
| | - Vo Linh Tu
- Online Research Club, Nagasaki, Japan.,University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh City, Vietnam
| | - Ranjit Tiwari
- Online Research Club, Nagasaki, Japan.,Faculty of Medicine, Institute of Medicine, Tribhuvan University, Kathmandu, 44600, Nepal
| | - Truong Van Dat
- Online Research Club, Nagasaki, Japan.,University of Medicine and Pharmacy at Ho Chi Minh City, Ho Chi Minh City, Vietnam
| | | | - Kenji Hirayama
- Department of Immunogenetics, Institute of Tropical Medicine (NEKKEN), Leading Graduate School Program, and Graduate School of Biomedical Sciences, Nagasaki University, 1-12-4 Sakamoto, Nagasaki, 852-8523, Japan
| | - Nguyen Tien Huy
- School of Tropical Medicine and Global Health, Nagasaki University, 1-12-4 Sakamoto, Nagasaki, 852-8523, Japan. .,Institute of Research and Development, Duy Tan University, Da Nang, 550000, Vietnam.
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5
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El-Azzouny AMAES, Aboul-Enein MN, Hamissa MF. Structural and biological survey of 7-chloro-4-(piperazin-1-yl)quinoline and its derivatives. Drug Dev Res 2020; 81:786-802. [PMID: 32385857 DOI: 10.1002/ddr.21678] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2020] [Revised: 04/09/2020] [Accepted: 04/19/2020] [Indexed: 12/27/2022]
Abstract
The 7-chloro-4-(piperazin-1-yl)quinoline structure is an important scaffold in medicinal chemistry. It exhibited either alone or as hybrid with other active pharmacophores diverse pharmacological profiles such as: antimalarial, antiparasitic, anti-HIV, antidiabetic, anticancer, sirtuin Inhibitors, dopamine-3 ligands, acetylcholinesterase inhibitors, and serotonin antagonists. In the presented review, a comprehensive discussion of compounds having this structural core is surveyed and illustrated.
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Affiliation(s)
- Aida M Abd El-Sattar El-Azzouny
- Medicinal and Pharmaceutical Chemistry Department, Pharmaceutical and Drug Industries Research Division, National Research Centre (ID: 60014618), Giza, Egypt
| | - Mohamed Nabil Aboul-Enein
- Medicinal and Pharmaceutical Chemistry Department, Pharmaceutical and Drug Industries Research Division, National Research Centre (ID: 60014618), Giza, Egypt
| | - Mohamed Farouk Hamissa
- Medicinal and Pharmaceutical Chemistry Department, Pharmaceutical and Drug Industries Research Division, National Research Centre (ID: 60014618), Giza, Egypt.,Department of Chemistry of Natural Compounds, Faculty of Food and Biochemical Technology, University of Chemistry and Technology, Prague, Czech Republic.,Department of Biomolecular Spectroscopy, Institute of Organic Chemistry and Biochemistry, Academy of Sciences, Prague, Czech Republic
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6
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Liebman KM, Burgess SJ, Gunsaru B, Kelly JX, Li Y, Morrill W, Liebman MC, Peyton DH. Unsymmetrical Bisquinolines with High Potency against P. falciparum Malaria. Molecules 2020; 25:molecules25092251. [PMID: 32397659 PMCID: PMC7249153 DOI: 10.3390/molecules25092251] [Citation(s) in RCA: 9] [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: 04/20/2020] [Revised: 05/06/2020] [Accepted: 05/07/2020] [Indexed: 12/11/2022] Open
Abstract
Quinoline-based scaffolds have been the mainstay of antimalarial drugs, including many artemisinin combination therapies (ACTs), over the history of modern drug development. Although much progress has been made in the search for novel antimalarial scaffolds, it may be that quinolines will remain useful, especially if very potent compounds from this class are discovered. We report here the results of a structure-activity relationship (SAR) study assessing potential unsymmetrical bisquinoline antiplasmodial drug candidates using in vitro activity against intact parasites in cell culture. Many unsymmetrical bisquinolines were found to be highly potent against both chloroquine-sensitive and chloroquine-resistant Plasmodium falciparum parasites. Further work to develop such compounds could focus on minimizing toxicities in order to find suitable candidates for clinical evaluation.
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Affiliation(s)
- Katherine M. Liebman
- DesignMedix, Inc., Portland, OR 97201, USA; (K.M.L.); (S.J.B.); (W.M.)
- Department of Chemistry, Portland State University, Portland, OR 97207, USA; (B.G.); (J.X.K.); (M.C.L.)
| | - Steven J. Burgess
- DesignMedix, Inc., Portland, OR 97201, USA; (K.M.L.); (S.J.B.); (W.M.)
| | - Bornface Gunsaru
- Department of Chemistry, Portland State University, Portland, OR 97207, USA; (B.G.); (J.X.K.); (M.C.L.)
| | - Jane X. Kelly
- Department of Chemistry, Portland State University, Portland, OR 97207, USA; (B.G.); (J.X.K.); (M.C.L.)
- Portland VA Research Foundation, Portland, OR 97239, USA;
| | - Yuexin Li
- Portland VA Research Foundation, Portland, OR 97239, USA;
| | - Westin Morrill
- DesignMedix, Inc., Portland, OR 97201, USA; (K.M.L.); (S.J.B.); (W.M.)
| | - Michael C. Liebman
- Department of Chemistry, Portland State University, Portland, OR 97207, USA; (B.G.); (J.X.K.); (M.C.L.)
| | - David H. Peyton
- DesignMedix, Inc., Portland, OR 97201, USA; (K.M.L.); (S.J.B.); (W.M.)
- Department of Chemistry, Portland State University, Portland, OR 97207, USA; (B.G.); (J.X.K.); (M.C.L.)
- Correspondence: ; Tel.: +1-503-805-1291
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7
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Joshi MC, Egan TJ. Quinoline Containing Side-chain Antimalarial Analogs: Recent Advances and Therapeutic Application. Curr Top Med Chem 2020; 20:617-697. [DOI: 10.2174/1568026620666200127141550] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2019] [Revised: 10/25/2019] [Accepted: 10/30/2019] [Indexed: 01/16/2023]
Abstract
The side-chains of quinoline antimalarial agents are the major concern of focus to build
novel and efficaciaous bioactive and clinical antimalarials. Bioative antimalarial analogs may play a
critical role in pH trapping in the food vacuole of RBC’s with the help of fragmented amino acid, thus
lead to β-hematin inhibition. Here, the authors tried to summarize a useful, comprehensive compilation
of side-chain modified ACQs along with their synthesis, biophysical and therapeutic applications etc.
of potent antiplasmodial agents and therefore, opening the door towards the potential clinical status.
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Affiliation(s)
- Mukesh C. Joshi
- Department of Chemistry, Motilal Nehru College, Benito Juarez Marg, South Campus, University of Delhi, New Delhi- 110021, India
| | - Timothy J. Egan
- Department of Chemistry, University of Cape Town, Rondebosch 7701, South Africa
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8
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Cu(I)- and Pd(0)-Catalyzed Arylation of Oxadiamines with Fluorinated Halogenobenzenes: Comparison of Efficiency. Molecules 2020; 25:molecules25051084. [PMID: 32121113 PMCID: PMC7179129 DOI: 10.3390/molecules25051084] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2020] [Revised: 02/25/2020] [Accepted: 02/26/2020] [Indexed: 11/25/2022] Open
Abstract
The comparison of the possibilities of Pd- and Cu-catalyzed amination reactions using fluorine-containing aryl bromides and iodides with oxadiamines to produce their N,N′-diaryl derivatives was carried out. The dependence of the reactivity of the aryl halides on the nature of the substituents and halogen atoms as well as on the structure of oxadiamines was investigated. It was found that the copper-catalyzed reactions were somewhat comparable with the palladium-mediated processes in the majority of cases, especially in the reactions with para-fluorine- and para-(trifluoromethyl)-substituted aryl halides, although the necessity to use aryl iodides in the Cu(I)-catalyzed amination was obvious. Pd catalysis was found inevitable for the successful amination of more sterically hindered ortho-(trifluoromethyl)aryl bromides.
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9
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Azarifar D, Abbasi Y, Jaymand M, Zolfigol MA, Ghaemi M, Badalkhani O. Fe3-xTixO4-supported sulfamic acid nanoparticles: New magnetic nanocatalyst for the synthesis of hexahydroquinolines. J Organomet Chem 2019. [DOI: 10.1016/j.jorganchem.2019.05.020] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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10
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Quinoline and quinolone dimers and their biological activities: An overview. Eur J Med Chem 2019; 161:101-117. [DOI: 10.1016/j.ejmech.2018.10.035] [Citation(s) in RCA: 113] [Impact Index Per Article: 22.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/24/2018] [Revised: 10/10/2018] [Accepted: 10/15/2018] [Indexed: 01/28/2023]
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11
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Sakata Y, Yabunaka K, Kobayashi Y, Omiya H, Umezawa N, Kim HS, Wataya Y, Tomita Y, Hisamatsu Y, Kato N, Yagi H, Satoh T, Kato K, Ishikawa H, Higuchi T. Potent Antimalarial Activity of Two Arenes Linked with Triamine Designed To Have Multiple Interactions with Heme. ACS Med Chem Lett 2018; 9:980-985. [PMID: 30344903 DOI: 10.1021/acsmedchemlett.8b00222] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2018] [Accepted: 09/24/2018] [Indexed: 11/28/2022] Open
Abstract
Based on the idea that compounds designed to exhibit high affinity for heme would block hemozoin formation, a critical heme-detoxification process for malarial parasites, we synthesized a series of compounds with two π-conjugated moieties at terminal amino groups of triamine. These compounds exhibited moderate to high antimalarial activities in vitro toward both chloroquine-sensitive and chloroquine-resistant Plasmodium falciparum. In a P. berghei-infected mouse model, 3a and 12a showed potent antimalarial activities compared to artesunate, as well as a prolonged duration of antimalarial effect. We found a good correlation between protective activity against hemin degradation and antimalarial activity. Compounds 8b and 3a strongly inhibited hemozoin formation catalyzed by heme detoxification protein.
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Affiliation(s)
- Yosuke Sakata
- Graduate School of Pharmaceutical Sciences, Nagoya City University, 3-1 Tanabe-dori, Mizuho-ku, Nagoya 467-8603, Japan
| | - Kosuke Yabunaka
- Graduate School of Pharmaceutical Sciences, Nagoya City University, 3-1 Tanabe-dori, Mizuho-ku, Nagoya 467-8603, Japan
| | - Yuko Kobayashi
- Graduate School of Pharmaceutical Sciences, Nagoya City University, 3-1 Tanabe-dori, Mizuho-ku, Nagoya 467-8603, Japan
| | - Hirohisa Omiya
- Graduate School of Pharmaceutical Sciences, Nagoya City University, 3-1 Tanabe-dori, Mizuho-ku, Nagoya 467-8603, Japan
| | - Naoki Umezawa
- Graduate School of Pharmaceutical Sciences, Nagoya City University, 3-1 Tanabe-dori, Mizuho-ku, Nagoya 467-8603, Japan
| | - Hye-Sook Kim
- Faculty of Pharmaceutical Sciences, Okayama University, 1-1-1 Tsushima-Naka Kita-ku, Okayama 700-8530, Japan
| | - Yusuke Wataya
- Faculty of Pharmaceutical Sciences, Okayama University, 1-1-1 Tsushima-Naka Kita-ku, Okayama 700-8530, Japan
| | - Yoshimi Tomita
- Graduate School of Pharmaceutical Sciences, Nagoya City University, 3-1 Tanabe-dori, Mizuho-ku, Nagoya 467-8603, Japan
| | - Yosuke Hisamatsu
- Graduate School of Pharmaceutical Sciences, Nagoya City University, 3-1 Tanabe-dori, Mizuho-ku, Nagoya 467-8603, Japan
| | - Nobuki Kato
- Graduate School of Pharmaceutical Sciences, Nagoya City University, 3-1 Tanabe-dori, Mizuho-ku, Nagoya 467-8603, Japan
| | - Hirokazu Yagi
- Graduate School of Pharmaceutical Sciences, Nagoya City University, 3-1 Tanabe-dori, Mizuho-ku, Nagoya 467-8603, Japan
| | - Tadashi Satoh
- Graduate School of Pharmaceutical Sciences, Nagoya City University, 3-1 Tanabe-dori, Mizuho-ku, Nagoya 467-8603, Japan
| | - Koichi Kato
- Graduate School of Pharmaceutical Sciences, Nagoya City University, 3-1 Tanabe-dori, Mizuho-ku, Nagoya 467-8603, Japan
- Exploratory Research Center on Life and Living Systems and Institute for Molecular Science, National Institutes of Natural Sciences, 5-1 Higashiyama, Myodaiji, Okazaki 444-8787, Japan
| | - Haruto Ishikawa
- Department of Chemistry, Graduate School of Science, Osaka University, 1-1 Machikaneyama, Toyonaka, Osaka 560-0043, Japan
| | - Tsunehiko Higuchi
- Graduate School of Pharmaceutical Sciences, Nagoya City University, 3-1 Tanabe-dori, Mizuho-ku, Nagoya 467-8603, Japan
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12
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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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13
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Kondaparla S, Agarwal P, Srivastava K, Puri SK, Katti SB. Design, synthesis and in vitro antiplasmodial activity of some bisquinolines against chloroquine-resistant strain. Chem Biol Drug Des 2017; 89:901-906. [PMID: 27896925 DOI: 10.1111/cbdd.12914] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/19/2016] [Revised: 11/11/2016] [Accepted: 11/14/2016] [Indexed: 11/30/2022]
Abstract
A series of novel bisquinoline compounds comprising N1 -(7-chloroquinolin-4-yl) ethane-1,2-diamine and 7-chloro-N-(2-(piperazin-1-yl)ethyl)quinolin-4-amine connected with 7-chloro-4-aminoquinoline containing various amino acids is described. We have bio-evaluated the compounds against both chloroquine-sensitive (3D7) and chloroquine-resistant (K1) strains of Plasmodium falciparum in vitro. Among the series, compounds 4 and 7 exhibited 1.8- and 10.6-fold superior activity as compared to chloroquine (CQ; IC50 = 0.255 ± 0.049 μm) against the K1 strain with IC50 values 0.137 ± 0.014 and 0.026 ± 0.007 μm, respectively. Furthermore, compound 7 also displayed promising activity against the 3D7 strain (IC50 = 0.024 ± 0.003 μm) of P. falciparum when compared to CQ. All the compounds in the series displayed resistance factor between 0.57 and 4.71 as against 51 for CQ. These results suggest that bisquinolines can be explored for further development as new antimalarial agents active against chloroquine-resistant P. falciparum.
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Affiliation(s)
- Srinivasarao Kondaparla
- Medicinal & Process Chemistry Division, CSIR-Central Drug Research Institute, Lucknow, India
| | - Pooja Agarwal
- Parasitology Division, CSIR-Central Drug Research Institute, Lucknow, India
| | - Kumkum Srivastava
- Parasitology Division, CSIR-Central Drug Research Institute, Lucknow, India
| | - Sunil K Puri
- Parasitology Division, CSIR-Central Drug Research Institute, Lucknow, India
| | - Seturam B Katti
- Medicinal & Process Chemistry Division, CSIR-Central Drug Research Institute, Lucknow, India
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14
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Kumar S, Singh RK, Patial B, Goyal S, Bhardwaj TR. Recent advances in novel heterocyclic scaffolds for the treatment of drug-resistant malaria. J Enzyme Inhib Med Chem 2015; 31:173-86. [PMID: 25775094 DOI: 10.3109/14756366.2015.1016513] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Malaria is a major public health problem all over the world, particularly in tropical and subtropical countries due to the development of resistance and most deadly infection is caused by Plasmodium falciparum. There is a direct need for the discovery of new drugs with unique structures and mechanism of action to treat sensitive and drug-resistant strains of various plasmodia for radical cure of this disease. Traditional compounds such as quinine and related derivatives represent a major source for the development of new drugs. This review presents recent modifications of 4-aminoquinoline and 8-aminoquinolone rings as leads to novel active molecules which are under clinical trials. The review also encompasses the other heterocyclic compounds emerged as potential antimalarial agents with promising results such as acridinediones and acridinone analogues, pyridines and quinolones as antimalarials. Miscellaneous heterocyclics such as tetroxane derivatives, indole derivatives, imidazolopiperazine derivatives, biscationic choline-based compounds and polymer-linked combined antimalarial drugs are also discussed. At last brief introduction to heterocyclics in natural products is also reviewed. Most of them have been under clinical trials and found to be promising in the treatment of drug-resistant strains of Plasmodium and others can be explored for the same purpose.
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Affiliation(s)
- Sahil Kumar
- a Department of Pharmaceutical Chemistry , Indo-Soviet Friendship (I.S.F.) College of Pharmacy , Moga , Punjab , India .,b Faculty of Pharmacy , Punjab Technical University , Jalandhar, Kapurthala , India
| | - Rajesh K Singh
- c Department of Pharmaceutical Chemistry , Shivalik College of Pharmacy , Nangal, Dist. Rupnagar , Punjab , India , and
| | - Babita Patial
- a Department of Pharmaceutical Chemistry , Indo-Soviet Friendship (I.S.F.) College of Pharmacy , Moga , Punjab , India
| | - Sachin Goyal
- a Department of Pharmaceutical Chemistry , Indo-Soviet Friendship (I.S.F.) College of Pharmacy , Moga , Punjab , India
| | - T R Bhardwaj
- a Department of Pharmaceutical Chemistry , Indo-Soviet Friendship (I.S.F.) College of Pharmacy , Moga , Punjab , India .,d Department of Pharmaceutical Chemistry , University Institute of Pharmaceutical Sciences, Panjab University , Chandigarh , India
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15
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Opsenica IM, Tot M, Gomba L, Nuss JE, Sciotti RJ, Bavari S, Burnett JC, Šolaja BA. 4-Amino-7-chloroquinolines: probing ligand efficiency provides botulinum neurotoxin serotype A light chain inhibitors with significant antiprotozoal activity. J Med Chem 2013; 56:5860-71. [PMID: 23815186 PMCID: PMC3880596 DOI: 10.1021/jm4006077] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Structurally simplified analogues of dual antimalarial and botulinum neurotoxin serotype A light chain (BoNT/A LC) inhibitor bis-aminoquinoline (1) were prepared. New compounds were designed to improve ligand efficiency while maintaining or exceeding the inhibitory potency of 1. Three of the new compounds are more active than 1 against both indications. Metabolically, the new inhibitors are relatively stable and nontoxic. 12, 14, and 15 are more potent BoNT/A LC inhibitors than 1. Additionally, 15 has excellent in vitro antimalarial efficacy, with IC90 values ranging from 4.45 to 12.11 nM against five Plasmodium falciparum (P.f.) strains: W2, D6, C235, C2A, and C2B. The results indicate that the same level of inhibitory efficacy provided by 1 can be retained/exceeded with less structural complexity. 12, 14, and 15 provide new platforms for the development of more potent dual BoNT/A LC and P.f. inhibitors adhering to generally accepted chemical properties associated with the druggability of synthetic molecules.
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Affiliation(s)
- Igor M. Opsenica
- Faculty of Chemistry, University of Belgrade, Studentski trg 16, P.O. Box 51, 11158, Belgrade, Serbia
| | - Mikloš Tot
- Faculty of Chemistry, University of Belgrade, Studentski trg 16, P.O. Box 51, 11158, Belgrade, Serbia
| | - Laura Gomba
- United States Army Medical Research Institute of Infectious Diseases, Department of Bacteriology, 1425 Porter Street, Frederick, MD 21702, USA
| | - Jonathan E. Nuss
- United States Army Medical Research Institute of Infectious Diseases, Department of Bacteriology, 1425 Porter Street, Frederick, MD 21702, USA
| | - Richard J. Sciotti
- Division of Experimental Therapeutics, Walter Reed Army Institute of Research, Silver Spring, Maryland 20910, United States
| | - Sina Bavari
- Target Discovery and Experimental Microbiology, United States Army Medical Research Institute of Infectious Diseases, 1425 Porter Street, Frederick, MD 21702, USA
| | - James C. Burnett
- Computational Drug Development Group, SAIC-Frederick, Inc., FNLCR at Frederick, P.O. Box B, Frederick, Maryland, United States
| | - Bogdan A. Šolaja
- Faculty of Chemistry, University of Belgrade, Studentski trg 16, P.O. Box 51, 11158, Belgrade, Serbia
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Peyton DH. Reversed chloroquine molecules as a strategy to overcome resistance in malaria. Curr Top Med Chem 2012; 12:400-7. [PMID: 22242848 PMCID: PMC3355467 DOI: 10.2174/156802612799362968] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/21/2011] [Revised: 10/04/2011] [Accepted: 10/05/2011] [Indexed: 11/24/2022]
Abstract
This short review tells the story of how Reversed Chloroquine drugs (RCQs) were developed. These are hybrid molecules, made by combining the quinoline nucleus from chloroquine (CQ) with moieties which are designed to inhibit efflux via known transporters in the membrane of the digestive vacuole of the malaria parasite. The resulting RCQ drugs can have potencies exceeding that of CQ, while at the same time having physical chemical characteristics that may make them favorable as partner drugs in combination therapies. The need for such novel antimalarial drugs will continue for the foreseeable future.
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Affiliation(s)
- David H Peyton
- Department of Chemistry, Portland State University, Portland, OR 97207-0751, USA.
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18
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van Heerden L, Cloete TT, Breytenbach JW, de Kock C, Smith PJ, Breytenbach JC, N'Da DD. Synthesis and in vitro antimalarial activity of a series of bisquinoline and bispyrrolo[1,2a]quinoxaline compounds. Eur J Med Chem 2012; 55:335-45. [PMID: 22889556 DOI: 10.1016/j.ejmech.2012.07.037] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2012] [Revised: 06/29/2012] [Accepted: 07/19/2012] [Indexed: 10/28/2022]
Abstract
Series of bisquinolines 4-15 and bispyrrolo[1,2a]quinoxalines 16-20 containing various polyamine linkers were synthesized. The aqueous solubility and distribution coefficient were experimentally determined. The compounds were screened for antimalarial activity alongside chloroquine against D10 and Dd2 strains of Plasmodium falciparum. The growth inhibitory effects of biscompounds 4-9 were assessed against various cancer cell lines. The aqueous solubility was found to increase with an increase in potential protonation sites. Bisquinolines 8 and 9 featuring triethylenetetramine and N,N'-bis(3-aminopropyl)ethylene-diamine linkers, respectively, were the most active of all synthesized compounds. They were found as potent as chloroquine against D10 but significantly more potent against the Dd2 strain, with good selectivity towards parasitic cells. Compound 4 containing a diethylenetriamine bridge displayed the most important anticancer activity of the series, and was a more effective antiproliferative inhibitor than etoposide against all three TK10, UACC62 and MCF7 cancer cell lines.
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Affiliation(s)
- Lezanne van Heerden
- Department of Pharmaceutical Chemistry, North-West University, Potchefstroom 2520, South Africa
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19
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Autophagy inhibitor Lys05 has single-agent antitumor activity and reproduces the phenotype of a genetic autophagy deficiency. Proc Natl Acad Sci U S A 2012; 109:8253-8. [PMID: 22566612 DOI: 10.1073/pnas.1118193109] [Citation(s) in RCA: 313] [Impact Index Per Article: 26.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023] Open
Abstract
Autophagy is a lysosome-dependent degradative process that protects cancer cells from multiple stresses. In preclinical models, autophagy inhibition with chloroquine (CQ) derivatives augments the efficacy of many anticancer therapies, but CQ has limited activity as a single agent. Clinical trials are underway combining anticancer agents with hydroxychloroquine (HCQ), but concentrations of HCQ required to inhibit autophagy are not consistently achievable in the clinic. We report the synthesis and characterization of bisaminoquinoline autophagy inhibitors that potently inhibit autophagy and impair tumor growth in vivo. The structural motifs that are necessary for improved autophagy inhibition compared with CQ include the presence of two aminoquinoline rings and a triamine linker and C-7 chlorine. The lead compound, Lys01, is a 10-fold more potent autophagy inhibitor than HCQ. Compared with HCQ, Lys05, a water-soluble salt of Lys01, more potently accumulates within and deacidifies the lysosome, resulting in impaired autophagy and tumor growth. At the highest dose administered, some mice develop Paneth cell dysfunction that resembles the intestinal phenotype of mice and humans with genetic defects in the autophagy gene ATG16L1, providing in vivo evidence that Lys05 targets autophagy. Unlike HCQ, significant single-agent antitumor activity is observed without toxicity in mice treated with lower doses of Lys05, establishing the therapeutic potential of this compound in cancer.
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Arango V, Domínguez JJ, Cardona W, Robledo SM, Muñoz DL, Figadere B, Sáez J. Synthesis and leishmanicidal activity of quinoline–triclosan and quinoline–eugenol hybrids. Med Chem Res 2011. [DOI: 10.1007/s00044-011-9886-8] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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21
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Kaur K, Jain M, Khan SI, Jacob MR, Tekwani BL, Singh S, Singh PP, Jain R. Synthesis, antiprotozoal, antimicrobial, β-hematin inhibition, cytotoxicity and methemoglobin (MetHb) formation activities of bis(8-aminoquinolines). Bioorg Med Chem 2010; 19:197-210. [PMID: 21172735 DOI: 10.1016/j.bmc.2010.11.036] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2010] [Revised: 11/16/2010] [Accepted: 11/16/2010] [Indexed: 11/17/2022]
Abstract
In continuing our search of potent antimalarials based on 8-aminoquinoline structural framework, three series of novel bis(8-aminoquinolines) using convenient one to four steps synthetic procedures were synthesized. The bisquinolines were evaluated for in vitro antimalarial (Plasmodiumfalciparum), antileishmanial (Leishmaniadonovani), antimicrobial (a panel of pathogenic bacteria and fungi), cytotoxicity, β-hematin inhibitory and methemoglobin (MetHb) formation activities. Several compounds exhibited superior antimalarial activities compared to parent drug primaquine. Selected compounds (44, 61 and 79) when tested for in vivo blood-schizontocidal antimalarial activity (Plasmodiumberghei) displayed potent blood-schizontocial activities. The bisquinolines showed negligible MetHb formation (0.2-1.2%) underlining their potential in the treatment of glucose-6-phosphate dehydrogenase deficient patients. The bisquinoline analogues (36, 73 and 79) also exhibited promising in vitro antileishmanial activity, and antimicrobial activities (43, 44 and 76) against a panel of pathogenic bacteria and fungi. The results of this study provide evidence that bis(8-aminoquinolines), like their bis(4-aminoquinolines) and artemisinin dimers counterparts, are a promising class of antimalarial agents.
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Affiliation(s)
- Kirandeep Kaur
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Sector 67, S. A. S. Nagar, Punjab 160 062, India
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22
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Bawa S, Kumar S, Drabu S, Kumar R. Structural modifications of quinoline-based antimalarial agents: Recent developments. JOURNAL OF PHARMACY AND BIOALLIED SCIENCES 2010; 2:64-71. [PMID: 21814435 PMCID: PMC3147106 DOI: 10.4103/0975-7406.67002] [Citation(s) in RCA: 90] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2010] [Revised: 05/19/2010] [Accepted: 06/14/2010] [Indexed: 11/04/2022] Open
Abstract
Antimalarial drugs constitute a major part of antiprotozoal drugs and have been in practice for a long time. Antimalarial agents generally belong to the class of quinoline which acts by interfering with heme metabolism. The recent increase in development of chloroquine-resistant strains of Plasmodium falciparum and failure of vaccination program against malaria have fuelled the drug discovery program against this old and widespread disease. Quinoline and its related derivative comprise a class of heterocycles, which has been exploited immensely than any other nucleus for the development of potent antimalarial agents. Various chemical modifications of quinoline have been attempted to achieve analogs with potent antimalarial properties against sensitive as well as resistant strains of Plasmodium sp., together with minimal potential undesirable side effects. This review outlines essentially some of the recent chemical modifications undertaken for the development of potent antimalarial agents based on quinoline.
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Affiliation(s)
- Sandhya Bawa
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Jamia Hamdard, New Delhi-110 062, India
| | - Suresh Kumar
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Jamia Hamdard, New Delhi-110 062, India
| | - Sushma Drabu
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Jamia Hamdard, New Delhi-110 062, India
| | - Rajiv Kumar
- Department of Pharmaceutical Chemistry, Faculty of Pharmacy, Jamia Hamdard, New Delhi-110 062, India
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23
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Bansode TN, Dongre PM, Dongre VG. Synthesis, antibacterial and antifungal activity of 1, 3-di(2-substituted 10H-phenothiazin-10-yl)propan-1-one. Pharm Chem J 2009. [DOI: 10.1007/s11094-009-0297-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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24
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Palit P, Paira P, Hazra A, Banerjee S, Gupta AD, Dastidar SG, Mondal NB. Phase transfer catalyzed synthesis of bis-quinolines: Antileishmanial activity in experimental visceral leishmaniasis and in vitro antibacterial evaluation. Eur J Med Chem 2009; 44:845-53. [DOI: 10.1016/j.ejmech.2008.04.014] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2007] [Revised: 04/14/2008] [Accepted: 04/24/2008] [Indexed: 11/17/2022]
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25
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Guillon J, Moreau S, Mouray E, Sinou V, Forfar I, Fabre SB, Desplat V, Millet P, Parzy D, Jarry C, Grellier P. New ferrocenic pyrrolo[1,2-a]quinoxaline derivatives: synthesis, and in vitro antimalarial activity. Bioorg Med Chem 2008; 16:9133-44. [PMID: 18819813 DOI: 10.1016/j.bmc.2008.09.038] [Citation(s) in RCA: 90] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2008] [Revised: 09/01/2008] [Accepted: 09/10/2008] [Indexed: 11/25/2022]
Abstract
Following our search for antimalarial compounds, novel series of ferrocenic pyrrolo[1,2-a]quinoxaline derivatives 1-2 were synthesized from various substituted nitroanilines and tested for in vitro activity upon the erythrocytic development of Plasmodiumfalciparum strains with different chloroquine-resistance status. The pyrrolo[1,2-a]quinoxalines 1 were prepared in 6-8 steps through a regioselective palladium-catalyzed monoamination by coupling 4-chloropyrrolo[1,2-a]quinoxalines with 1,3-bis(aminopropyl)piperazine or -methylamine using Xantphos as the ligand. The ferrocenic bispyrrolo[1,2-a]quinoxalines 2 were prepared by reductive amination of previously described bispyrrolo[1,2-a]quinoxalines 9 with ferrocene-carboxaldehyde, by treatment with NaHB(OAc)(3). The best results were observed with ferrocenic pyrrolo[1,2-a]quinoxalines linked by a bis(3-aminopropyl)piperazine. Moreover, it was observed that a methoxy group on the pyrrolo[1,2-a]quinoxaline nucleus and no substitution on the terminal N-ferrocenylmethylamine function enhanced the pharmacological activity. Selected compounds 1b, 1f-h, 1l and 2a were tested for their ability to inhibit beta-haematin formation, the synthetic equivalent of hemozoin, by using the HPIA (heme polymerization inhibitory activity) assay. Of the tested compounds, only 2a showed a beta-haematin formation inhibition, but no inhibition of haem polymerization was observed with the other selected ferrocenic monopyrrolo[1,2-a]quinoxaline derivatives 1b, 1f-h and 1l, as the IC(50) values were superior to 10 equivalents.
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Affiliation(s)
- Jean Guillon
- EA 4138-Pharmacochimie, UFR des Sciences Pharmaceutiques, Université Bordeaux 2, 146 rue Léo Saignat, 33076 Bordeaux Cedex, France.
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26
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Solaja BA, Opsenica D, Smith KS, Milhous WK, Terzić N, Opsenica I, Burnett JC, Nuss J, Gussio R, Bavari S. Novel 4-aminoquinolines active against chloroquine-resistant and sensitive P. falciparum strains that also inhibit botulinum serotype A. J Med Chem 2008; 51:4388-91. [PMID: 18637666 DOI: 10.1021/jm800737y] [Citation(s) in RCA: 43] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
We report on the initial result of the coupling of 4-amino-7-chloroquinoline with steroidal and adamantane constituents to provide small molecules with excellent in vitro antimalarial activities (IC90 (W2) down to 6.74 nM). The same entities also inhibit the botulinum neurotoxin serotype A light chain metalloprotease at low micromolar levels (7-31 microM). Interestingly, structural features imparting increased antimalarial activity also provide increased metalloprotease inhibition, thus allowing for simultaneous compound optimizations against distinct targets.
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Affiliation(s)
- Bogdan A Solaja
- Faculty of Chemistry, UniVersity of Belgrade, Belgrade, Serbia.
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27
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Blackie MAL, Beagley P, Croft SL, Kendrick H, Moss JR, Chibale K. Metallocene-based antimalarials: an exploration into the influence of the ferrocenyl moiety on in vitro antimalarial activity in chloroquine-sensitive and chloroquine-resistant strains of Plasmodium falciparum. Bioorg Med Chem 2007; 15:6510-6. [PMID: 17693090 DOI: 10.1016/j.bmc.2007.07.012] [Citation(s) in RCA: 52] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2007] [Revised: 07/06/2007] [Accepted: 07/12/2007] [Indexed: 11/15/2022]
Abstract
To establish the role of the ferrocenyl moiety in the antiplasmodial activity of ferroquine, compounds in which this moiety is replaced by the corresponding ruthenium-based moieties were synthesized and evaluated. In both the sensitive (D10) and resistant (K1) strains of Plasmodium falciparum, ruthenoquine analogues showed comparable potency to ferroquine. This suggests that a probable role of the ferrocenyl fragment is to serve simply as a hydrophobic spacer group. In addition, ferroquine analogues with different aromatic substituents were synthesized and evaluated. Unexpectedly high activity for quinoline compounds lacking the 7-chloro substituent suggests the ferrocenyl moiety may have an additive and/or synergistic effect.
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28
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Madrid PB, Polgar WE, Toll L, Tanga MJ. Synthesis and antitubercular activity of phenothiazines with reduced binding to dopamine and serotonin receptors. Bioorg Med Chem Lett 2007; 17:3014-7. [PMID: 17407813 DOI: 10.1016/j.bmcl.2007.03.064] [Citation(s) in RCA: 46] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2007] [Revised: 03/19/2007] [Accepted: 03/19/2007] [Indexed: 11/28/2022]
Abstract
Analogs of the psychotropic phenothiazines were synthesized and examined as antitubercular agents against Mycobacterium tuberculosis H37Rv. The compounds were subsequently counter-screened for binding to the dopaminergic-receptor subtypes D1, D2, D3 and the serotonergic-receptor subtypes 5-HT(1A), 5-HT(2A), and 5-HT(2C). The most active compounds showed MICs from 2 to 4 microg/mL and had overall reduced binding to the dopamine and serotonin receptors compared to chlorpromazine and trifluoperazine.
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Affiliation(s)
- Peter B Madrid
- Biosciences Division, SRI International, 333 Ravenswood Avenue, Menlo Park, CA 94025, USA.
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29
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Vangapandu S, Jain M, Kaur K, Patil P, Patel SR, Jain R. Recent advances in antimalarial drug development. Med Res Rev 2007; 27:65-107. [PMID: 16700012 DOI: 10.1002/med.20062] [Citation(s) in RCA: 75] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Malaria caused by protozoa of the genus Plasmodium, because of its prevalence, virulence, and drug resistance, is the most serious and widespread parasitic disease encountered by mankind. The inadequate armory of drugs in widespread use for the treatment of malaria, development of strains resistant to commonly used drugs such as chloroquine, and the lack of affordable new drugs are the limiting factors in the fight against malaria. These factors underscore the continuing need of research for new classes of antimalarial agents, and a re-examination of the existing antimalarial drugs that may be effective against resistant strains. This review provides an in-depth look at the most significant progress made during the past 10 years in antimalarial drug development.
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Affiliation(s)
- Suryanaryana Vangapandu
- Department of Medicinal Chemistry, National Institute of Pharmaceutical Education and Research, Sector 67, S.A.S. Nagar, Punjab 160 062, India
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30
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Madapa S, Singh V, Batra S. An alternate approach to quinoline architecture via Baylis–Hillman chemistry: SnCl2-mediated tandem reaction toward synthesis of 4-(substituted vinyl)-quinolines. Tetrahedron 2006. [DOI: 10.1016/j.tet.2006.06.098] [Citation(s) in RCA: 30] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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31
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Bray PG, Ward SA, O'Neill PM. Quinolines and artemisinin: chemistry, biology and history. Curr Top Microbiol Immunol 2005; 295:3-38. [PMID: 16265885 DOI: 10.1007/3-540-29088-5_1] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
Plasmodium falciparum is the most important parasitic pathogen in humans, causing hundreds of millions of malaria infections and millions of deaths each year. At present there is no effective malaria vaccine and malaria therapy is totally reliant on the use of drugs. New drugs are urgently needed because of the rapid evolution and spread of parasite resistance to the current therapies. Drug resistance is one of the major factors contributing to the resurgence of malaria, especially resistance to the most affordable drugs such as chloroquine. We need to fully understand the antimalarial mode of action of the existing drugs and the way that the parasite becomes resistant to them in order to design and develop the new therapies that are so urgently needed. In respect of the quinolines and artemisinins, great progress has been made recently in studying the mechanisms of drug action and drug resistance in malaria parasites. Here we summarize from a historical, biological and chemical, perspective the exciting new advances that have been made in the study of these important antimalarial drugs.
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Affiliation(s)
- P G Bray
- Division of Molecular and Biochemical Parasitology, Liverpool School of Tropical Medicine, Pembroke Place, Liverpool L3 5QA, UK.
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32
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Molyneaux CA, Krugliak M, Ginsburg H, Chibale K. Arylpiperazines displaying preferential potency against chloroquine-resistant strains of the malaria parasite Plasmodium falciparum. Biochem Pharmacol 2005; 71:61-8. [PMID: 16298348 DOI: 10.1016/j.bcp.2005.10.023] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2005] [Revised: 09/10/2005] [Accepted: 10/12/2005] [Indexed: 11/30/2022]
Abstract
Arylpiperazines in which the terminal secondary amino group is unsubstituted were found to display a mefloquine-type antimalarial behavior in being significantly more potent against the chloroquine-resistant (W2 and FCR3) strains of Plasmodium falciparum than against the chloroquine-sensitive (D10 and NF54) strains. Substitution of the aforementioned amino group led to a dramatic drop in activity across all strains as well as abolition of the preferential potency against resistant strains that was observed for the unsubstituted counterparts. The data suggest that unsubstituted arylpiperazines are not well-recognized by the chloroquine resistance mechanism and may imply that they act mechanistically differently from chloroquine. On the other hand, 4-aminoquinoline-based heteroarylpiperazines in which the terminal secondary amino group is also unsubstituted, were found to be equally active against the chloroquine-resistant and chloroquine-sensitive strains, suggesting that chloroquine cross-resistance is not observed with these two 4-aminoquinolines. In contrast, two 4-aminoquinoline-based heteroarylpiperazines are positively recognized by the chloroquine resistance mechanism. These studies provide structural features that determine the antimalarial activity of arylpiperazines for further development, particularly against chloroquine-resistant strains.
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Biot C, Dessolin J, Ricard I, Dive D. Easily synthesized antimalarial ferrocene triazacyclononane quinoline conjugates. J Organomet Chem 2004. [DOI: 10.1016/j.jorganchem.2004.04.036] [Citation(s) in RCA: 44] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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34
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Burnett JC, Schmidt JJ, Stafford RG, Panchal RG, Nguyen TL, Hermone AR, Vennerstrom JL, McGrath CF, Lane DJ, Sausville EA, Zaharevitz DW, Gussio R, Bavari S. Novel small molecule inhibitors of botulinum neurotoxin A metalloprotease activity. Biochem Biophys Res Commun 2003; 310:84-93. [PMID: 14511652 DOI: 10.1016/j.bbrc.2003.08.112] [Citation(s) in RCA: 68] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
Abstract
Botulinum neurotoxins (BoNTs) are among the most lethal biological substances to have been weaponized and are listed as biodefense category A agents. Currently, no small molecule (non-peptidic) therapeutics exist to counter this threat; hence, identifying and developing compounds that inhibit BoNTs is a high priority. In the present study, a high-throughput assay was used to identify small molecules that inhibit the metalloprotease activity of BoNT serotype A light chain (BoNT/A LC). All inhibitors were further verified using a HPLC-based assay. Conformational analyses of these compounds, in conjunction with molecular docking studies, were used to predict structural features that contribute to inhibitor binding and potency. Based on these results, a common pharmacophore for BoNT/A LC inhibitors is proposed. This is the first study to report small molecules (non-peptidics) that inhibit BoNT/A LC metalloprotease activity in the low microM range.
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Affiliation(s)
- James C Burnett
- Developmental Therapeutics Program, NCI Frederick, Frederick, MD 21702, USA
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35
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Chapter 21. New therapies for malaria. ANNUAL REPORTS IN MEDICINAL CHEMISTRY 2003. [DOI: 10.1016/s0065-7743(03)38022-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/20/2023]
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36
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Jiang WQ, Charlet-Fagnère C, Sapi J, Laronze JY, Renard P, Pfeiffer B, Léonce S. Cytotoxic bis-3,4-dihydro-beta-carbolines and bis-beta-carbolines. J Enzyme Inhib Med Chem 2002; 17:369-74. [PMID: 12683671 DOI: 10.1080/147563021000005631] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
Abstract
Ten bis-beta-carboline 1, 2 and bis-3,4-dihydro-beta-carboline 3, 4 derivatives, linked between carbons 1 and 1' by a polymethylene spacer, were synthesized from bistryptamine amides 9, 10. Some of them display a micromolar IC50 towards L-1210 cells.
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Affiliation(s)
- Wei-Qun Jiang
- UMR 6013 Isolement, Structure, Transformations et Synthèse de Produits Naturels, IFR 53 Biomolécules, Faculté de Pharmacie, 51 rue Cognacq Jay, F-51096 Reims Cédex, France
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Ayad F, Tilley L, Deady LW. Synthesis, antimalarial activity and inhibition of haem detoxification of novel bisquinolines. Bioorg Med Chem Lett 2001; 11:2075-7. [PMID: 11514142 DOI: 10.1016/s0960-894x(01)00383-3] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
The synthesis of novel bisquinoline compounds comprising 4-(4-diethylamino-1-methylbutyl)aminoquinoline units joined through the 2-position by a (CH(2))(n) linker is described. Their ability to inhibit the growth of both chloroquine-sensitive (D10) and chloroquine-resistant (K1) strains of Plasmodium falciparum, the hydrogen peroxide-mediated pathway for decomposition of haem, and the conversion of haem to beta-haematin have been measured. The activity was affected by the length of the linker and the most active (6c, n=12) showed effects similar to chloroquine in three of the assays. However, it was even more active against the resistant strain [IC(50), 17 nM (K1); 43 nM (D10)], much superior to chloroquine (IC(50), 540 nM) and slightly better than mefloquine (IC(50), 30 nM) in this regard.
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Affiliation(s)
- F Ayad
- Department of Chemistry, La Trobe University, 3086, Victoria, Australia
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Chapter 10. New therapies for parasitic infection. ANNUAL REPORTS IN MEDICINAL CHEMISTRY 2001. [DOI: 10.1016/s0065-7743(01)36050-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register]
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