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Santhosh C, Singh KR, Sheela K, Swaroop TR, Sadashiva MP. Regioselective Synthesis of 2,5-Disubstituted-1,3,4-thiadiazoles and 1,3,4-Oxadiazoles via Alkyl 2-(Methylthio)-2-thioxoacetates and Alkyl 2-Amino-2-thioxoacetates. J Org Chem 2023; 88:11486-11496. [PMID: 37523659 DOI: 10.1021/acs.joc.3c00589] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 08/02/2023]
Abstract
An acid-catalyzed regioselective cyclization reaction of 2,5-disubstituted-1,3,4-thiadiazoles and 1,3,4-oxadiazoles has been developed. The synthetic precursors alkyl 2-(methylthio)-2-thioxoacetates/alkyl 2-amino-2-thioxoacetates react efficiently with acyl hydrazides, which transformed into a series of dehydrative and desulfurative products with employment of p-TSA and AcOH through a regioselective cyclization process. The alkyl 2-amino-2-thioxoacetate pathway generates excellent yield among the mentioned procedures. The reported methods are operationally simplistic and highly efficient with metal-free conditions and demonstrate significant functional group compatibility. Regioselective cyclized products were confirmed by single-crystal X-ray diffraction studies.
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Affiliation(s)
| | - Krishna Ravi Singh
- Department of Studies in Chemistry, University of Mysore, Manasagangotri, Mysuru 570 006, India
| | - Kalleshappa Sheela
- Department of Studies in Chemistry, University of Mysore, Manasagangotri, Mysuru 570 006, India
| | - Toreshettahally R Swaroop
- Department of Studies in Organic Chemistry, University of Mysore, Manasagangotri, Mysuru 570 006, India
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2
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Kurian J, Kumari V, Chaluvalappil SV, Anas M, Manhas A, Kalluruttimmal R, Kumar N, Manheri MK. Adenine Modification at C7 as a Viable Strategy to Potentiate the Antimalarial Activity of Quinolones. ChemMedChem 2021; 17:e202100472. [PMID: 34717044 DOI: 10.1002/cmdc.202100472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2021] [Revised: 10/15/2021] [Indexed: 11/08/2022]
Abstract
Although many quinolones have shown promise as potent antimalarials, their clinical development has been slow due to poor performance in vivo. Insights into structural modifications that can improve their therapeutic potential will be very valuable in this vibrant area of research. Our studies involving a library of quinolones which vary in substitution pattern at N1, C3, C6 and C7 positions have shown that the presence of adenine moiety at C7 can bring a noticeable improvement in activity compared to other heterocyclic groups at this location. The most potent compound emerged from this study showed IC50 values of 0.38 μM and 0.75 μM against chloroquine-sensitive and -resistant (W2) strains, respectively. Docking analysis in the Qo site of cytochrome bc1 complex revealed the contribution of a key H-bonding interaction from the adenine unit in target binding. This corroborates with compound-induced loss of mitochondrial functions. These findings not only open avenues for further exploration of antimalarial potential of adenine-modified quinolones, but also suggests broader opportunities during lead-optimization against other antimalarial targets.
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Affiliation(s)
- Jais Kurian
- Department of Chemistry, Indian Institute of Technology Madras, Chennai 600036, Tamil Nadu, India
| | - Varsha Kumari
- Department of Molecular Microbiology and Immunology, CSIR-Central Drug Research Institute, Sector 10, Jankipuram extension, Sitapur road, Lucknow, 226031, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Saheer V Chaluvalappil
- Department of Chemistry, Krishna Menon Memorial Government Women's College, Kannur 670004, Kerala, India
| | - Mohammad Anas
- Department of Molecular Microbiology and Immunology, CSIR-Central Drug Research Institute, Sector 10, Jankipuram extension, Sitapur road, Lucknow, 226031, India
| | - Ashan Manhas
- Department of Molecular Microbiology and Immunology, CSIR-Central Drug Research Institute, Sector 10, Jankipuram extension, Sitapur road, Lucknow, 226031, India
| | - Ramshad Kalluruttimmal
- Department of Chemistry, Indian Institute of Technology Madras, Chennai 600036, Tamil Nadu, India
| | - Niti Kumar
- Department of Molecular Microbiology and Immunology, CSIR-Central Drug Research Institute, Sector 10, Jankipuram extension, Sitapur road, Lucknow, 226031, India.,Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, India
| | - Muraleedharan K Manheri
- Department of Chemistry, Indian Institute of Technology Madras, Chennai 600036, Tamil Nadu, India
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3
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Singh G, Devi V, Monga V. Recent Developments in the Synthetic Strategies of 4‐Quinolones and Its Derivatives. ChemistrySelect 2020. [DOI: 10.1002/slct.202003570] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Affiliation(s)
- Gurpreet Singh
- Department of Pharmaceutical Chemistry ISF College of Pharmacy GT Road Moga 142001 Punjab India
| | - Varsha Devi
- Department of Pharmaceutical Chemistry ISF College of Pharmacy GT Road Moga 142001 Punjab India
| | - Vikramdeep Monga
- Department of Pharmaceutical Chemistry ISF College of Pharmacy GT Road Moga 142001 Punjab India
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4
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Anil SM, Sudhanva MS, Swaroop TR, Vinayaka AC, Rajeev N, Kiran KR, Shobith R, Sadashiva MP. Base Induced Condensation of Malononitrile with Erlenmeyer Azlactones: An Unexpected Synthesis of Multi‐Substituted Δ
2
‐Pyrrolines and Their Cytotoxicity. Chem Biodivers 2020; 17:e2000014. [DOI: 10.1002/cbdv.202000014] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2020] [Accepted: 03/06/2020] [Indexed: 01/07/2023]
Affiliation(s)
- Seegehalli M. Anil
- Institute of Plant Science ARO, Volcani Center Rishon LeZion 7505101 Israel
| | | | - Toreshettahally R. Swaroop
- Department of Studies in Organic ChemistryUniversity of Mysore, Manasagangothri Mysuru Karnataka 570006 India
| | | | - Narasimhamurthy Rajeev
- Department of Studies in ChemistryUniversity of Mysore, Manasagangothri Mysuru Karnataka 570006 India
| | - Kuppalli R. Kiran
- Department of Studies in ChemistryUniversity of Mysore, Manasagangothri Mysuru Karnataka 570006 India
| | - Rangappa Shobith
- Adichunchanagiri Institute for Molecular Medicine Nagamangala Karnataka 571448 India
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5
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Ghosh P, Das S. Synthesis and Functionalization of 4-Quinolones - A Progressing Story. European J Org Chem 2019. [DOI: 10.1002/ejoc.201900452] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Prasanjit Ghosh
- Department of Chemistry; University of North Bengal; 734013 Darjeeling West Bengal India
| | - Sajal Das
- Department of Chemistry; University of North Bengal; 734013 Darjeeling West Bengal India
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6
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Shen C, Wang A, Xu J, An Z, Loh KY, Zhang P, Liu X. Recent Advances in the Catalytic Synthesis of 4-Quinolones. Chem 2019. [DOI: 10.1016/j.chempr.2019.01.006] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
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7
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The Construction and Application of C=S Bonds. Top Curr Chem (Cham) 2018; 376:31. [DOI: 10.1007/s41061-018-0209-0] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2018] [Accepted: 06/24/2018] [Indexed: 01/30/2023]
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8
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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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9
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Wu X, Dayanand KK, Thylur RP, Norbury CC, Gowda DC. Small molecule-based inhibition of MEK1/2 proteins dampens inflammatory responses to malaria, reduces parasite load, and mitigates pathogenic outcomes. J Biol Chem 2017; 292:13615-13634. [PMID: 28679535 DOI: 10.1074/jbc.m116.770313] [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: 11/29/2016] [Revised: 06/23/2017] [Indexed: 12/16/2022] Open
Abstract
Malaria infections cause several systemic and severe single- or multi-organ pathologies, killing hundreds of thousands of people annually. Considering the existing widespread resistance of malaria parasites to anti-parasitic drugs and their high propensity to develop drug resistance, alternative strategies are required to manage malaria infections. Because malaria is a host immune response-driven disease, one approach is based on gaining a detailed understanding of the molecular and cellular processes that modulate malaria-induced innate and adaptive immune responses. Here, using a mouse cerebral malaria model and small-molecule inhibitors, we demonstrate that inhibiting MEK1/2, the upstream kinases of ERK1/2 signaling, alters multifactorial components of the innate and adaptive immune responses, controls parasitemia, and blocks pathogenesis. Specifically, MEK1/2 inhibitor treatment up-regulated B1 cell expansion, IgM production, phagocytic receptor expression, and phagocytic activity, enhancing parasite clearance by macrophages and neutrophils. Further, the MEK1/2 inhibitor treatment down-regulated pathogenic pro-inflammatory and helper T cell 1 (Th1) responses and up-regulated beneficial anti-inflammatory cytokine responses and Th2 responses. These inhibitor effects resulted in reduced granzyme B expression by T cells, chemokine and intracellular cell adhesion molecule 1 (ICAM-1) expression in the brain, and chemokine receptor expression by both myeloid and T cells. These bimodal effects of the MEK1/2 inhibitor treatment on immune responses contributed to decreased parasite biomass, organ inflammation, and immune cell recruitment, preventing tissue damage and death. In summary, we have identified several previously unrecognized immune regulatory processes through which a MEK1/2 inhibitor approach controls malaria parasitemia and mitigates pathogenic effects on host organs.
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Affiliation(s)
- Xianzhu Wu
- From the Departments of Biochemistry and Molecular Biology and
| | | | - Ramesh P Thylur
- From the Departments of Biochemistry and Molecular Biology and
| | - Christopher C Norbury
- Microbiology and Immunology, Pennsylvania State University College of Medicine, Hershey, Pennsylvania 17033
| | - D Channe Gowda
- From the Departments of Biochemistry and Molecular Biology and
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10
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Jantová S, Topoľská D, Janošková M, Pánik M, Milata V. Study of the cytotoxic/toxic potential of the novel anticancer selenodiazoloquinolone on fibroblast cells and 3D skin model. Interdiscip Toxicol 2017; 9:106-112. [PMID: 28652854 PMCID: PMC5464683 DOI: 10.1515/intox-2016-0014] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2016] [Revised: 11/10/2016] [Accepted: 11/17/2016] [Indexed: 11/15/2022] Open
Abstract
The new synthetically prepared quinolone derivative 7-ethyl 9-ethyl-6-oxo-6,9-dihydro[1,2,5]selenadiazolo [3,4-h]quinoline-7-carboxylate (E2h) showed in our previous study cytotoxic effects towards tumor cells and immunomodulatory activities on RAW 264.7 cell line murine macrophages. E2h may have a potential use as a novel chemotherapeutic agent with immunomodulatory properties and the ability to induce apoptotic death of cancer cells. The aim of the present study was to examine the antiproliferative/cytotoxic activities of E2h on human non-cancer fibroblast BHNF-1 cells and reconstructed human epidermis EpiDerm™. Further the effects of E2h on tissue structure and morphology were examined. Cytotoxic/toxic studies showed that selenadiazoloquinolone is not toxic on normal human fibroblast cells BHNF-1 and dimensional skin constructs EpiDerm™. Evaluation of morphological changes in EpiDerm™ showed no change in the construction and morphology of skin tissue treated by E2h compared to control.
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Affiliation(s)
- Soňa Jantová
- Institute of Biochemistry and Microbiology, Faculty of Chemical and Food Technology, Slovak University of Technology, Bratislava, Slovakia
| | - Dominika Topoľská
- Institute of Biochemistry and Microbiology, Faculty of Chemical and Food Technology, Slovak University of Technology, Bratislava, Slovakia.,Institute of Experimental Pharmacology and Toxicology, Slovak Academy of Sciences, Bratislava, Slovakia
| | - Michaela Janošková
- Institute of Biochemistry and Microbiology, Faculty of Chemical and Food Technology, Slovak University of Technology, Bratislava, Slovakia
| | - Miroslav Pánik
- Institute of Management, Slovak University of Technology, Bratislava, Slovakia
| | - Viktor Milata
- Institute of Organic Chemistry, Catalysis and Petrochemistry, Faculty of Chemical and Food Technology, Slovak University of Technology, Bratislava, Slovakia
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11
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Jantová S, Paulovičová E, Paulovičová L, Topoľská D, Pánik M, Milata V. Assessment of Immunomodulatory Activities andin vitroToxicity of New Quinolone 7-ethyl 9-ethyl-6-oxo-6,9-dihydro[1,2,5]selenadiazolo[3,4-h]quinoline-7-carboxylate. Immunol Invest 2017; 46:341-360. [DOI: 10.1080/08820139.2017.1280050] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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12
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Kumar S, Chandra, Vinayaka AC, Mahendra M, Sadashiva MP, Doreswamy BH. 2-(2-Chlorobenzoyl)-1-(3,4-dimethoxyphenyl)-3-iodoquinolin-4(1 H)-one. IUCRDATA 2017. [DOI: 10.1107/s2414314617001821] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022] Open
Abstract
In the title compound C24H17ClINO4, the iodoquinolinyl moiety (r.m.s. deviation = 0.044 Å) makes dihedral angles of 87.44 (10) and 88.64 (10)° with the chloro- and methoxy-substituted benzene rings, respectively. The methoxy groups are present in synperiplanar and antiperiplanar conformations with respect to the benzene ring they are bound to, as indicated by the C—C—O—C torsion angle values of −16.2 (3) and 177.6 (2)°, respectively. The crystal structure features relatively strong methoxybenzene-C—H...O(quinolinyl) hydrogen bonds, leading to helical supramolecular chains along thea-axis direction. Additional C—H...O interactions along with π-stacking [inter-centroid distance = 3.6070 (16) Å between quinolyl-NC5and C6rings] consolidate the three-dimensional molecular packing.
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13
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Jantová S, Mrvová N, Hudec R, Sedlák J, Pánik M, Milata V. Pro-apoptotic effect of new quinolone 7- ethyl 9-ethyl-6-oxo-6,9-dihydro[1,2,5]selenadiazolo [3,4-h]quinoline-7-carboxylate on cervical cancer cell line HeLa alone/with UVA irradiation. Toxicol In Vitro 2016; 33:35-44. [DOI: 10.1016/j.tiv.2016.02.012] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/17/2014] [Revised: 02/10/2016] [Accepted: 02/21/2016] [Indexed: 01/24/2023]
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14
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Bommegowda YK, Mallesha N, Vinayaka AC, Sadashiva MP. IPSO-Hydroxylation of Boronic Acid via Ozonolysis: A Metal-, Ligand-, and Base-free Method. CHEM LETT 2016. [DOI: 10.1246/cl.151087] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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15
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Synthesis of 4-quinolones via triflic anhydride-mediated intramolecular Houben-Hoesch reaction of β-arylamino acrylonitriles. Tetrahedron 2016. [DOI: 10.1016/j.tet.2016.01.051] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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16
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Vinayaka AC, Swaroop TR, Chikkade PK, Rangappa KS, Sadashiva MP. Transition-metal-free solid phase synthesis of 1,2-disubstituted 4-quinolones via the regiospecific synthesis of enaminones. RSC Adv 2016. [DOI: 10.1039/c5ra21421a] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
The transition-metal-free economical solid phase synthesis of 1,2-disubstituted 4-quinolones has been developed via the novel regiospecific synthesis of enaminones.
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Ramesha AB, Sandhya NC, Pavan Kumar CS, Hiremath M, Mantelingu K, Rangappa KS. A novel approach for the synthesis of imidazo and triazolopyridines from dithioesters. NEW J CHEM 2016. [DOI: 10.1039/c6nj01038e] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
Various imidazo- and triazolo-pyridines were synthesised by the intramolecular cyclization of pyridine 2-methylamine and dithioesters under mild conditions.
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18
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Ramesha AB, Pavan Kumar CS, Sandhya NC, Kumara MN, Mantelingu K, Rangappa KS. Tandem approach for the synthesis of 3-sulfenylimidazo[1,5-a]pyridines from dithioesters. RSC Adv 2016. [DOI: 10.1039/c6ra03771b] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
Iodine-mediated synthesis of 3-sulfenylimidazo[1,5-a]pyridines via C–H functionalization has been achieved using dithioesters, 2-methylaminopyridines and sulfonyl hydrazides.
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Vijay TJ, Sandhya NC, Pavankumar C, Rangappa KS, Mantelingu K. Ligand- and catalyst-free intramolecular C-S bond formation: direct access to indalothiochromen- 4-ones. HETEROCYCL COMMUN 2015. [DOI: 10.1515/hc-2014-0206] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
AbstractAn efficient ligand- and catalyst-free intramolecular S-arylation leading to the direct synthesis of indalothiochromen-4-ones from simple dithioesters under mild conditions has been developed. This method is particularly noteworthy given its experimental simplicity, high generality, and good functional group toleration.
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Affiliation(s)
- T.A. Jenifer Vijay
- 1Department of Studies in Chemistry, Manasagangothri, University of Mysore, Mysore 570006, India
| | - Nagarakere C. Sandhya
- 1Department of Studies in Chemistry, Manasagangothri, University of Mysore, Mysore 570006, India
| | - C.S. Pavankumar
- 1Department of Studies in Chemistry, Manasagangothri, University of Mysore, Mysore 570006, India
| | | | - Kempegowda Mantelingu
- 1Department of Studies in Chemistry, Manasagangothri, University of Mysore, Mysore 570006, India
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Kwon S, Kang D, Hong S. RhI-Catalyzed Site-Selective Decarbonylative Alkenylation and Arylation of Quinolones under Chelation Assistance. European J Org Chem 2015. [DOI: 10.1002/ejoc.201500187] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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21
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Pavan Kumar CS, Harsha KB, Sandhya NC, Ramesha AB, Mantelingu K, Rangappa KS. Highly diastereoselective synthesis of polycyclic amines via redox neutral C–H functionalization. NEW J CHEM 2015. [DOI: 10.1039/c5nj01706h] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023]
Abstract
Construction of polycyclic amines via C–H functionalization and 3+2 cycloaddition with high diastereoselectivities was achieved under mild conditions.
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Vinay Kumar KS, Lingaraju GS, Bommegowda YK, Vinayaka AC, Bhat P, Pradeepa Kumara CS, Rangappa KS, Gowda DC, Sadashiva MP. Synthesis, antimalarial activity, and target binding of dibenzazepine-tethered isoxazolines. RSC Adv 2015. [DOI: 10.1039/c5ra17926b] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
A series of dibenzazepine tethered 3,5-disubstituted isoxazolines was synthesized and evaluated for their antimalarial activity usingP. falciparum3D7 strain. Further, the potent molecules were assessed againstP. falciparumD6, W2 and 7G8 strains.
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Affiliation(s)
| | | | | | | | - Pritesh Bhat
- Manipal College of Pharmaceutical Sciences
- Manipal University
- Manipal
- India
| | | | | | - D. Channe Gowda
- Department of Biochemistry and Molecular Biology
- Pennsylvania State University College of Medicine
- Hershey
- USA
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