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Wang Z, Zhao Y, Chen J, Chen M, Li X, Jiang T, Liu F, Yang X, Sun Y, Zhu Y. One-Pot Synthesis of Isoxazole-Fused Tricyclic Quinazoline Alkaloid Derivatives via Intramolecular Cycloaddition of Propargyl-Substituted Methyl Azaarenes under Metal-Free Conditions. Molecules 2023; 28:molecules28062787. [PMID: 36985760 PMCID: PMC10057414 DOI: 10.3390/molecules28062787] [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: 02/14/2023] [Revised: 03/14/2023] [Accepted: 03/15/2023] [Indexed: 03/30/2023] Open
Abstract
A practical method was developed for the convenient synthesis of isoxazole-fused tricyclic quinazoline alkaloids. This procedure accesses diverse isoxazole-fused tricyclic quinazoline alkaloids and their derivatives via intramolecular cycloaddition of methyl azaarenes with tert-butyl nitrite (TBN). In this method, TBN acts as the radical initiator and the source of N-O. Moreover, this protocol forms new C-N, C-C, and C-O bonds via sequence nitration and annulation in a one-pot process with broad substrate scope and functionalization of natural products.
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Affiliation(s)
- Zhuo Wang
- Key Laboratory of Molecular Pharmacology and Drug Evaluation, Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, School of Pharmacy, Yantai University, Yantai 264005, China
| | - Yuhan Zhao
- Key Laboratory of Molecular Pharmacology and Drug Evaluation, Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, School of Pharmacy, Yantai University, Yantai 264005, China
| | - Jiaxin Chen
- Key Laboratory of Molecular Pharmacology and Drug Evaluation, Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, School of Pharmacy, Yantai University, Yantai 264005, China
| | - Mengyao Chen
- Key Laboratory of Molecular Pharmacology and Drug Evaluation, Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, School of Pharmacy, Yantai University, Yantai 264005, China
| | - Xuehan Li
- Key Laboratory of Molecular Pharmacology and Drug Evaluation, Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, School of Pharmacy, Yantai University, Yantai 264005, China
| | - Ting Jiang
- Key Laboratory of Molecular Pharmacology and Drug Evaluation, Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, School of Pharmacy, Yantai University, Yantai 264005, China
| | - Fang Liu
- Key Laboratory of Molecular Pharmacology and Drug Evaluation, Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, School of Pharmacy, Yantai University, Yantai 264005, China
| | - Xi Yang
- Key Laboratory of Molecular Pharmacology and Drug Evaluation, Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, School of Pharmacy, Yantai University, Yantai 264005, China
| | - Yuanyuan Sun
- Key Laboratory of Molecular Pharmacology and Drug Evaluation, Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, School of Pharmacy, Yantai University, Yantai 264005, China
| | - Yanping Zhu
- Key Laboratory of Molecular Pharmacology and Drug Evaluation, Ministry of Education, Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, School of Pharmacy, Yantai University, Yantai 264005, China
- Anhui Laboratory of Molecule-Based Materials, College of Chemistry and Materials Science, Anhui Normal University, Wuhu 241000, China
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Shang XF, Morris-Natschke SL, Liu YQ, Li XH, Zhang JY, Lee KH. Biology of quinoline and quinazoline alkaloids. THE ALKALOIDS. CHEMISTRY AND BIOLOGY 2022; 88:1-47. [PMID: 35305754 DOI: 10.1016/bs.alkal.2021.08.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Quinoline and quinazoline alkaloids, two important classes of N-based heterocyclic compounds, have attracted scientific and popular interest worldwide since the 19th century. More than 600 compounds have been isolated from nature to date. To build on our two prior reviews, we reexamined the promising molecules described in previous reports and provided updated literature on novel quinoline and quinazoline alkaloids isolated over the past 5 years. This chapter reviews and discusses 205 molecules with a broad range of bioactivities, including antiparasitic and insecticidal, antibacterial and antifungal, cardioprotective, antiviral, anti-inflammatory, and other effects. This survey should provide new clues or possibilities for the discovery of new and better drugs from the original naturally occurring quinoline and quinazoline alkaloids.
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Affiliation(s)
- Xiao-Fei Shang
- Beijing You'an Hospital, Capital Medical University, Beijing, PR China; Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou, PR China; School of Pharmacy, Lanzhou University, Lanzhou, PR China
| | - Susan L Morris-Natschke
- Natural Products Research Laboratories, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC, United States; Chinese Medicine Research and Development Center, China Medical University and Hospital, Taichung, Taiwan.
| | - Ying-Qian Liu
- School of Pharmacy, Lanzhou University, Lanzhou, PR China.
| | - Xiu-Hui Li
- Beijing You'an Hospital, Capital Medical University, Beijing, PR China.
| | - Ji-Yu Zhang
- Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou, PR China
| | - Kuo-Hsiung Lee
- Natural Products Research Laboratories, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, NC, United States; Chinese Medicine Research and Development Center, China Medical University and Hospital, Taichung, Taiwan
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Cinelli MA. Topoisomerase 1B poisons: Over a half-century of drug leads, clinical candidates, and serendipitous discoveries. Med Res Rev 2018; 39:1294-1337. [PMID: 30456874 DOI: 10.1002/med.21546] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2018] [Revised: 10/08/2018] [Accepted: 10/09/2018] [Indexed: 12/17/2022]
Abstract
Topoisomerases are DNA processing enzymes that relieve supercoiling (torsional strain) in DNA, are necessary for normal cellular division, and act by nicking (and then religating) DNA strands. Type 1B topoisomerase (Top1) is overexpressed in certain tumors, and the enzyme has been extensively investigated as a target for cancer chemotherapy. Various chemical agents can act as "poisons" of the enzyme's religation step, leading to Top1-DNA lesions, DNA breakage, and eventual cellular death. In this review, agents that poison Top1 (and have thus been investigated for their anticancer properties) are surveyed, including natural products (such as camptothecins and indolocarbazoles), semisynthetic camptothecin and luotonin derivatives, and synthetic compounds (such as benzonaphthyridines, aromathecins, and indenoisoquinolines), as well as targeted therapies and conjugates. Top1 has also been investigated as a therapeutic target in certain viral and parasitic infections, as well as autoimmune, inflammatory, and neurological disorders, and a summary of literature describing alternative indications is also provided. This review should provide both a reference for the medicinal chemist and potentially offer clues to aid in the development of new Top1 poisons.
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Affiliation(s)
- Maris A Cinelli
- Department of Pharmacology and Toxicology, Michigan State University, East Lansing, Michigan
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4
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Shang XF, Morris-Natschke SL, Liu YQ, Guo X, Xu XS, Goto M, Li JC, Yang GZ, Lee KH. Biologically active quinoline and quinazoline alkaloids part I. Med Res Rev 2018; 38:775-828. [PMID: 28902434 PMCID: PMC6421866 DOI: 10.1002/med.21466] [Citation(s) in RCA: 204] [Impact Index Per Article: 34.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2017] [Revised: 07/18/2017] [Accepted: 08/02/2017] [Indexed: 01/11/2023]
Abstract
Quinoline and quinazoline alkaloids, two important classes of N-based heterocyclic compounds, have attracted tremendous attention from researchers worldwide since the 19th century. Over the past 200 years, many compounds from these two classes were isolated from natural sources, and most of them and their modified analogs possess significant bioactivities. Quinine and camptothecin are two of the most famous and important quinoline alkaloids, and their discoveries opened new areas in antimalarial and anticancer drug development, respectively. In this review, we survey the literature on bioactive alkaloids from these two classes and highlight research achievements prior to the year 2008 (Part I). Over 200 molecules with a broad range of bioactivities, including antitumor, antimalarial, antibacterial and antifungal, antiparasitic and insecticidal, antiviral, antiplatelet, anti-inflammatory, herbicidal, antioxidant and other activities, were reviewed. This survey should provide new clues or possibilities for the discovery of new and better drugs from the original naturally occurring quinoline and quinazoline alkaloids.
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Affiliation(s)
- Xiao-Fei Shang
- School of Pharmacy, Lanzhou University, Lanzhou, P.R. China
- Key Laboratory of Veterinary Pharmaceutical Development of Ministry of Agriculture, Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou, P.R. China
| | - Susan L. Morris-Natschke
- Natural Products Research Laboratories, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, North Carolina
| | - Ying-Qian Liu
- School of Pharmacy, Lanzhou University, Lanzhou, P.R. China
| | - Xiao Guo
- Key Laboratory of Veterinary Pharmaceutical Development of Ministry of Agriculture, Lanzhou Institute of Husbandry and Pharmaceutical Sciences, Chinese Academy of Agricultural Sciences, Lanzhou, P.R. China
| | - Xiao-Shan Xu
- School of Pharmacy, Lanzhou University, Lanzhou, P.R. China
| | - Masuo Goto
- Natural Products Research Laboratories, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, North Carolina
| | - Jun-Cai Li
- School of Pharmacy, Lanzhou University, Lanzhou, P.R. China
| | - Guan-Zhou Yang
- School of Pharmacy, Lanzhou University, Lanzhou, P.R. China
| | - Kuo-Hsiung Lee
- Natural Products Research Laboratories, UNC Eshelman School of Pharmacy, University of North Carolina, Chapel Hill, North Carolina
- Chinese Medicine Research and Development Center, China Medical University and Hospital, Taichung, Taiwan
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Pharmaceutical prospects of naturally occurring quinazolinone and its derivatives. Fitoterapia 2017; 119:136-149. [PMID: 28495308 DOI: 10.1016/j.fitote.2017.05.001] [Citation(s) in RCA: 55] [Impact Index Per Article: 7.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2017] [Accepted: 05/06/2017] [Indexed: 12/18/2022]
Abstract
Quinazolinones belong to a family of heterocyclic nitrogen compounds that have attracted increasing interest because of their broad spectrum of biological functions. This review describes three types of natural quinazolinones and their synthesized derivatives and summarizes their various pharmacological activities, including antifungal, anti-tumor, anti-malaria, anticonvulsant, anti-microbial, anti-inflammatory and antihyperlipidemic activities. In addition, structure-activity relationships of quinazolinone derivatives are also reviewed.
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Mohammadi B, Najafi EO, Azizkhani V. Microwave-assisted pseudo four-component synthesis of trans,trans-2-amino-1,3,3-tricyano-5-nitro-4,6-bis(aryl)cyclohexenes using α-Fe2O3 nanoparticles. MONATSHEFTE FUR CHEMIE 2017. [DOI: 10.1007/s00706-016-1890-8] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
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7
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Kesavan M, Vinoth Kumar G, Dhaveethu Raja J, Anitha K, Karthikeyan S, Rajesh J. DNA interaction, antimicrobial, antioxidant and anticancer studies on Cu(II) complexes of Luotonin A. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2017; 167:20-28. [DOI: 10.1016/j.jphotobiol.2016.11.024] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/09/2016] [Accepted: 11/07/2016] [Indexed: 01/18/2023]
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Kundu P, Mondal A, Chowdhury C. A Palladium-Catalyzed Method for the Synthesis of 2-(α-Styryl)-2,3-dihydroquinazolin-4-ones and 3-(α-Styryl)-3,4-dihydro-1,2,4-benzothiadiazine-1,1-dioxide: Access to 2-(α-Styryl)quinazolin-4(3H)-ones and 3-(α-Styryl)-1,2,4-benzothiadiazine-1,1-dioxides. J Org Chem 2016; 81:6596-608. [DOI: 10.1021/acs.joc.6b01242] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Affiliation(s)
- Priyanka Kundu
- Organic & Medicinal Chemisty Division, CSIR-Indian Institute of Chemical Biology, 4, Raja S.C. Mullick Road, Kolkata-700032, India
| | - Amrita Mondal
- Organic & Medicinal Chemisty Division, CSIR-Indian Institute of Chemical Biology, 4, Raja S.C. Mullick Road, Kolkata-700032, India
| | - Chinmay Chowdhury
- Organic & Medicinal Chemisty Division, CSIR-Indian Institute of Chemical Biology, 4, Raja S.C. Mullick Road, Kolkata-700032, India
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Sharma K, Khandelwal S, Samarth RM, Kumar M. Natural Product-Mimetic Scaffolds with Privileged Heterocyclic Systems: Design, Synthesis, and Evaluation of Antioxidant Activity of Quinazoquinobenzothiazinones. J Heterocycl Chem 2016. [DOI: 10.1002/jhet.2405] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/14/2023]
Affiliation(s)
- Kshitija Sharma
- Department of Chemistry; University of Rajasthan; Jaipur 302004 India
| | - Sarita Khandelwal
- Department of Chemistry; University of Rajasthan; Jaipur 302004 India
| | - R. M. Samarth
- Department of Research; Bhopal Memorial Hospital & Research Centre (ICMR); Bhopal 462038 India
| | - Mahendra Kumar
- Department of Chemistry; University of Rajasthan; Jaipur 302004 India
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10
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Wang L, Xie S, Ma L, Chen Y, Lu W. Design, synthesis and biological evaluation of novel homocamptothecin analogues as potent antitumor agents. Bioorg Med Chem 2015; 23:1950-62. [DOI: 10.1016/j.bmc.2015.03.031] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2015] [Revised: 03/10/2015] [Accepted: 03/11/2015] [Indexed: 10/23/2022]
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11
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Heravi MM, Ahmadi T, Ghavidel M, Heidari B, Hamidi H. Recent applications of the hetero Diels–Alder reaction in the total synthesis of natural products. RSC Adv 2015. [DOI: 10.1039/c5ra17488k] [Citation(s) in RCA: 109] [Impact Index Per Article: 12.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
The synthetic utility and potential power of the Diels–Alder (D–A) reaction in organic chemistry is evident.
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Affiliation(s)
| | | | | | | | - Hoda Hamidi
- Department of Chemistry
- Alzahra University
- Tehran
- Iran
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12
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Tricyclic Quinazoline Alkaloids: Isolation, Synthesis, Chemical Modification, and Biological Activity. Chem Nat Compd 2014. [DOI: 10.1007/s10600-014-1086-6] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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13
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González-Ruiz V, Olives AI, Martín MA. Challenging core-shell stationary phases with the separation of closely related anti-cancer compounds: performance studies and application to drug quantitation in cell cultures with multi-well plate clean-up. J Chromatogr A 2014; 1364:83-95. [DOI: 10.1016/j.chroma.2014.08.054] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2014] [Revised: 08/12/2014] [Accepted: 08/14/2014] [Indexed: 12/25/2022]
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14
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One-pot synthesis of densely functionalized cyclic β-aminoesters containing four stereocenters, based on a Et3N-promoted pseudo five-component reaction. Mol Divers 2014; 19:43-53. [PMID: 25252998 DOI: 10.1007/s11030-014-9554-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2014] [Accepted: 09/12/2014] [Indexed: 10/24/2022]
Abstract
An effective and practical method has been developed for the diversity-oriented synthesis of fully substituted cyclohexene β-aminoester via a pseudo five-component reaction between nitromethane, aromatic aldehydes, and substituted cyanoacetate for the generation of a wide range of structurally relevant and highly functionalized compounds. The attractive range and features of the method, which enables the facile preparation of highly substituted cyclohexenes, are its simple and straightforward procedure, mild reaction conditions, and ideal yields. The mechanism involves a double Michael addition reaction followed by intramolecular ring closure. The fully substituted cyclohexene β-aminoesters with potential bioactivities could be of impact in medical chemistry.
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Huang Q, Wang L, Lu W. Evolution in medicinal chemistry of E-ring-modified Camptothecin analogs as anticancer agents. Eur J Med Chem 2013; 63:746-57. [DOI: 10.1016/j.ejmech.2013.01.058] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2012] [Revised: 01/13/2013] [Accepted: 01/16/2013] [Indexed: 12/24/2022]
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16
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Zhu YP, Fei Z, Liu MC, Jia FC, Wu AX. Direct one-pot synthesis of luotonin F and analogues via rational logical design. Org Lett 2012; 15:378-81. [PMID: 23273132 DOI: 10.1021/ol303331g] [Citation(s) in RCA: 111] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
An efficient one-pot synthetic protocol has been proposed for the synthesis of luntonin F from easily available starting materials. Through a rational logical design, multifundamental reactions (iodination, Kornblum oxidation, and annulation) were assembled in one-pot. The developed approach can efficiently synthesize luntonin F and a diversity of analogues.
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Affiliation(s)
- Yan-ping Zhu
- Key Laboratory of Pesticide & Chemical Biology, Ministry of Education, College of Chemistry, Central China Normal University, Hubei, Wuhan 430079, PR China
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Lee S, Lee J, Jahng Y, Jeong TC, Kim DH. Characterization ofin vitrometabolites of luotonin A in human liver microsomes using electrospray/tandem mass spectrometry. Xenobiotica 2012; 43:527-33. [DOI: 10.3109/00498254.2012.746486] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
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18
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Toyota M, Natsuki K, Shindo T. Practical Total Synthesis of Luotonin A by Intramolecular Double Hetero Diels-Alder Reaction. HETEROCYCLES 2012. [DOI: 10.3987/com-11-s(p)51] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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19
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Pin F, Comesse S, Daïch A. Intramolecular N-aza-amidoalkylation in association with Witkop–Winterfeldt oxidation as the key step to synthesize Luotonin-A analogues. Tetrahedron 2011. [DOI: 10.1016/j.tet.2011.05.120] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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20
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Potewar TM, Kathiravan MK, Chothe AS, Srinivasan KV. An improved synthesis of the alkaloid Luotonin-A employing ionic liquid and water as key solvents. ACTA ACUST UNITED AC 2011. [DOI: 10.5155/eurjchem.2.2.235-237.205] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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21
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Liang JL, Cha HC, Jahng Y. Recent advances in the studies on luotonins. Molecules 2011; 16:4861-83. [PMID: 21677601 PMCID: PMC6264391 DOI: 10.3390/molecules16064861] [Citation(s) in RCA: 66] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2011] [Revised: 06/08/2011] [Accepted: 06/10/2011] [Indexed: 01/18/2023] Open
Abstract
Luotonins are alkaloids from the aerial parts of Peganum nigellastrum Bunge. that display three major skeleton types. Luotonins A, B, and E are pyrroloquinazolino-quinoline alkaloids, luotonins C and D are canthin-6-one alkaloids, and luotonin F is a 4(3H)-quinazolinone alkaloid. All six luotonins have shown promising cytotoxicities towards selected human cancer cell lines, especially against leukemia P-388 cells. Luotonin A is the most active one, with its activity stemming from topoisomerase I-dependent DNA-cleavage. Such intriguing biological activities and unique structures have led not only to the development of synthetic methods for the efficient synthesis of these compounds, but also to interest in structural modifications for improving the biological properties. Recent progress in the study of luotonins is covered.
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Affiliation(s)
| | | | - Yurngdong Jahng
- Author to whom correspondence should be addressed; ; Tel.: +1-82-53-810-2821; Fax: +1-53-810-4654
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22
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Toward new camptothecins. Part 7: Synthesis of thioluotonin and its 5-methoxycarbonyl derivative. Tetrahedron Lett 2011. [DOI: 10.1016/j.tetlet.2011.01.105] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
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23
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Tseng MC, Chu YW, Tsai HP, Lin CM, Hwang J, Chu YH. One-pot synthesis of luotonin A and its analogues. Org Lett 2011; 13:920-3. [PMID: 21268635 DOI: 10.1021/ol1029707] [Citation(s) in RCA: 61] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Starting with inexpensive reagents, a self-directed chemical process with the aid of a single metal triflate was readily achieved to concomitantly construct quinazoline and pyrroloquinoline cores to afford the synthesis of luotonin A and its analogues. Among all compounds prepared, 2c, 2d, and 3b exhibit more potent inhibitory activity than luotonin A against human topoisomerase I.
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Affiliation(s)
- Ming-Chung Tseng
- Department of Chemistry and Biochemistry, National Chung Cheng University, Minhsiung, Chiayi, Taiwan, ROC
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González-Ruiz V, Mussardo P, Corda E, Girotti S, Olives AI, Martín MA. Liquid chromatographic analysis of the anticancer alkaloid luotonin A and some new derivatives in human serum samples. J Sep Sci 2010; 33:2086-93. [PMID: 20568252 DOI: 10.1002/jssc.201000175] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
The quantitation of the natural cytotoxic and anti-inflammatory alkaloid luotonin A and five recently synthesized derivatives is described, constituting the first report of a HPLC method for the analysis of these compounds in human serum samples. The conditions for the chromatographic separation were optimized and the method was validated for the analysis of these compounds in biological samples according to international guidelines. An RP-HPLC method with fluorimetric detection and a C(18) stationary phase was applied. Different ACN/water mobile phases were assayed, including 0-4% of a mobile phase modifier such as tetrahydrofuran, dioxane or tert-butyl methyl ether. Isocratic and gradient elution conditions are compared. The influence of pH on the efficiency and resolution of the separation was also considered. The developed method was applied to the determination of luotonins in pooled human serum samples by gradient elution RP-HPLC using a simple cleanup procedure. The proposed chromatographic method exhibits satisfactory analytical figures of merit, with LOD from 1.0 x 10(-10) to 2.0 x 10(-10) M, intraday and interday precision below 6% except for the concentration level closest to LOD, and good agreement between experimental and theoretical concentrations. Therefore, the developed method is suitable, reliable, rapid, and simple.
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Affiliation(s)
- Víctor González-Ruiz
- Sección Departamental Química Analítica, Facultad de Farmacia, Universidad Complutense de Madrid, Madrid, Spain
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Liu F, Li C. Intramolecular Formal [4 + 2] Cycloaddition of Nitriles with Amides Triggered by TMSOTf/Et3N: Highly Efficient Construction of Pyrrolo[1,2-a]pyrimidin-4(6H)-ones. J Org Chem 2009; 74:5699-702. [DOI: 10.1021/jo900907h] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Feng Liu
- Key Laboratory of Synthetic Chemistry of Natural Substances, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, P. R. China
| | - Chaozhong Li
- Key Laboratory of Synthetic Chemistry of Natural Substances, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, P. R. China
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Nacro K, Zha CC, Guzzo PR, Jason Herr R, Peace D, Friedrich TD. Synthesis and topoisomerase poisoning activity of A-ring and E-ring substituted luotonin A derivatives. Bioorg Med Chem 2007; 15:4237-46. [PMID: 17418582 DOI: 10.1016/j.bmc.2007.03.067] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2007] [Revised: 03/19/2007] [Accepted: 03/20/2007] [Indexed: 01/18/2023]
Abstract
A series of A-ring and E-ring analogues of the natural product luotonin A, a known topoisomerase I poison, was evaluated for growth inhibition in human carcinoma and leukemia cell lines. Rational design of structures was based on analogues of the related alkaloid camptothecin, which has been demonstrated to exert cytotoxic effects by the same mechanism of action. When compared to luotonin A, several compounds exhibited an improved topoisomerase I-dependent growth inhibition of a human leukemia cell line.
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Affiliation(s)
- Kassoum Nacro
- Discovery Research & Development, Albany Molecular Research Inc., Albany, NY 12213-5098, USA
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29
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Abstract
A new and concise synthesis of luotonin A was achieved from the previously described compounds ethyl 4-oxo-3,4-dihydroquinazoline-2-carboxylate and 1-(2-nitrophenyl)prop-2-en-1-one. New 14-substituted luotonin A analogues were prepared using 14-chloroluotonin A as the key intermediate.
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Affiliation(s)
- Jeffrey J Mason
- Unit for Organic Chemistry, Department of Biosciences and Nutrition, Karolinska Institute, SE-14157 Huddinge, Sweden
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30
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Abstract
This review covers the isolation, structure determination, synthesis and biological activity of quinoline, quinazoline and acridone alkaloids from plant, microbial and animal sources: 134 references are cited.
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Affiliation(s)
- Joseph P Michael
- Molecular Sciences Institute, School of Chemistry, University of the Witwatersrand, Wits 2050, South Africa.
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31
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Jena NR, Mishra PC. A theoretical study of some new analogues of the anti-cancer drug camptothecin. J Mol Model 2006; 13:267-74. [PMID: 17024403 DOI: 10.1007/s00894-006-0157-4] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2006] [Accepted: 09/19/2006] [Indexed: 10/24/2022]
Abstract
The enzyme topoisomerase I (topo I), which is essential for cell replication, transiently causes a DNA single strand break and makes a complex with it. The anti-cancer agent camptothecin (CPT) binds to the topo I-DNA complex and stabilizes it, preventing resealing of the broken DNA strand and cell growth. Considering the structural factors of CPT that are believed to be involved in stabilizing the topo I-DNA complex via hydrogen bonding and stacking interactions, designs of two new analogues of CPT (topo I inhibitors) have been suggested. The molecular geometries of CPT, two of its analogues and certain other related molecules included in the study were fully optimized in both gas phase and aqueous media at the B3LYP/6-311++G(d,p) level of density functional theory. Solvation effects of aqueous media were treated using the polarizable continuum model (PCM). Net CHelpG charges and surface molecular electrostatic potentials (MEP) near the atomic sites of the molecules were studied. Structural analogy and surface MEP values suggests that the two new CPT analogues studied here would be potent topoisomerase I inhibitors.
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Affiliation(s)
- Nihar R Jena
- Department of Physics, Banaras Hindu University, Varanasi, 221005, India
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32
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Mhaske SB, Argade NP. The chemistry of recently isolated naturally occurring quinazolinone alkaloids. Tetrahedron 2006. [DOI: 10.1016/j.tet.2006.07.098] [Citation(s) in RCA: 453] [Impact Index Per Article: 25.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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33
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Jahng Y, Seok Lee E, Gyu Park J, Ill Kim S. Synthesis and Properties of Luotonin A Homologues and Their Aza-analogues. HETEROCYCLES 2006. [DOI: 10.3987/com-05-10552] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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34
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Liu JF, Kaselj M, Isome Y, Ye P, Sargent K, Sprague K, Cherrak D, Wilson CJ, Si Y, Yohannes D, Ng SC. Design and Synthesis of a Quinazolinone Natural Product-Templated Library with Cytotoxic Activity. ACTA ACUST UNITED AC 2005; 8:7-10. [PMID: 16398546 DOI: 10.1021/cc050108g] [Citation(s) in RCA: 53] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Ji-Feng Liu
- ArQule, Inc., 19 Presidential Way, Woburn, Massachusetts 01801, USA.
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35
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Liu JF, Ye P, Sprague K, Sargent K, Yohannes D, Baldino CM, Wilson CJ, Ng SC. Novel One-Pot Total Syntheses of Deoxyvasicinone, Mackinazolinone, Isaindigotone, and Their Derivatives Promoted by Microwave Irradiation. Org Lett 2005; 7:3363-6. [PMID: 16018661 DOI: 10.1021/ol0513084] [Citation(s) in RCA: 83] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
[reaction: see text]. Total syntheses of deoxyvasicinone (1), mackinazolinone (2), and 8-hydroxydeoxyvasicinone (3) via novel microwave-assisted domino reactions, as well as a novel three-component one-pot total synthesis of isaindigotone (5) promoted by microwave irradiation, are reported. The efficient reaction process enabled us to rapidly access related natural product derivatives and to identify a new class of cytotoxic agents.
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Affiliation(s)
- Ji-Feng Liu
- ArQule, Inc., Woburn, Massachusetts 10801, USA
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36
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Barlocco D. Monitor – chemistry. Drug Discov Today 2005. [DOI: 10.1016/s1359-6446(04)03322-7] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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37
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Rahier NJ, Cheng K, Gao R, Eisenhauer BM, Hecht SM. Synthesis of 14-Azacamptothecin, a Water-Soluble Topoisomerase I Poison. Org Lett 2005; 7:835-7. [PMID: 15727453 DOI: 10.1021/ol0400701] [Citation(s) in RCA: 34] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
14-Azacamptothecin, a potent, water-soluble analogue of the antitumor agent camptothecin, has been prepared by a convergent synthesis. The key condensation of the AB and DE rings with concomitant formation of ring C of 14-aza CPT was carried out in two stages, the latter of which involved a radical cyclization strategy. [structure: see text]
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Affiliation(s)
- Nicolas J Rahier
- Departments of Chemistry and Biology, University of Virginia, Charlottesville, VA 22904, USA
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Rahier NJ, Eisenhauer BM, Gao R, Thomas SJ, Hecht SM. On the role of E-ring oxygen atoms in the binding of camptothecin to the topoisomerase I–DNA covalent binary complex. Bioorg Med Chem 2005; 13:1381-6. [PMID: 15670945 DOI: 10.1016/j.bmc.2004.11.011] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2004] [Accepted: 11/04/2004] [Indexed: 12/20/2022]
Abstract
A recent X-ray crystallographic analysis of the binding of a water soluble camptothecin analogue to the human topoisomerase I-DNA covalent binary complex has suggested the existence of some novel features in the way that camptothecin is bound to the binary complex. Four additional models based on chemical and biochemical data have also been proposed. Presently we describe S-containing analogues of camptothecin prepared on the basis of these models, and report their ability to form stable ternary complexes with human topoisomerase I, and to mediate cytotoxicity at the locus of topoisomerase I. The results indicate that replacement of the 20-OH group of CPT with a SH functionality results in diminution of the potency of CPT as a topoisomerase I poison, while replacement of the O atoms at positions 20 and 21 with S atoms results in essentially complete loss of topoisomerase I inhibitory activity.
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Affiliation(s)
- Nicolas J Rahier
- Department of Chemistry, University of Virginia, Charlottesville, Virginia 22901, USA
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39
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Affiliation(s)
- Joseph P Michael
- Molecular Sciences Institute, School of Chemistry, University of the Witwatersrand, Wits, 2050, South Africa.
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40
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Cheng K, Rahier NJ, Eisenhauer BM, Gao R, Thomas SJ, Hecht SM. 14-Azacamptothecin: A Potent Water-Soluble Topoisomerase I Poison. J Am Chem Soc 2004; 127:838-9. [PMID: 15656613 DOI: 10.1021/ja0442769] [Citation(s) in RCA: 85] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
On the basis of an analysis of luotonin A and its D-ring deaza analogue as topoisomerase I poisons and topoisomerase I-dependent cytotoxic agents, a novel analogue of the structurally related antitumor antibiotic camptothecin (CPT) was prepared. 14-Azacamptothecin was found to have much greater aqueous solubility than CPT, to inhibit topoisomerase I-mediated DNA relaxation more efficiently than CPT, and to stabilize the covalent binary complex to almost the same extent. 14-Aza CPT was found to be slightly less active than CPT in mediating cytotoxicity toward yeast expressing human topoisomerase I, possibly as a consequence of its greater off-rate from the CPT-topoisomerase I-DNA ternary complex.
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Affiliation(s)
- Kejun Cheng
- Department of Chemistry, University of Virginia, Charlottesville, Virginia 22904, USA
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Dallavalle S, Merlini L, Beretta GL, Tinelli S, Zunino F. Synthesis and cytotoxic activity of substituted Luotonin A derivatives. Bioorg Med Chem Lett 2004; 14:5757-61. [PMID: 15501036 DOI: 10.1016/j.bmcl.2004.09.039] [Citation(s) in RCA: 48] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2004] [Revised: 08/24/2004] [Accepted: 09/17/2004] [Indexed: 11/18/2022]
Abstract
Luotonin A is a cytotoxic alkaloid that has been shown to inhibit topoisomerase I via stabilization of the binary complex topoisomerase-DNA in the same fashion as camptothecin. The synthesis and the cytotoxic activity on the lung carcinoma cell line H460 of a series of derivatives of Luotonin A is reported. The compounds inhibit topoisomerase I but show weak cytotoxic activity, thus confirming the peculiarity of ring E of camptothecin for antitumor activity.
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Affiliation(s)
- Sabrina Dallavalle
- Dipartimento di Scienze Molecolari Agroalimentari, Sezione di Chimica, Università di Milano, Via Celoria 2, 20133 Milano, Italy.
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Cagir A, Eisenhauer BM, Gao R, Thomas SJ, Hecht SM. Synthesis and topoisomerase I inhibitory properties of luotonin A analogues. Bioorg Med Chem 2004; 12:6287-99. [PMID: 15519171 DOI: 10.1016/j.bmc.2004.08.052] [Citation(s) in RCA: 59] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2004] [Accepted: 08/18/2004] [Indexed: 10/26/2022]
Abstract
Luotonin A, a naturally occurring pyrroloquinazolinoquinoline alkaloid, has been previously demonstrated to be a topoisomerase I poison. A number of luotonin A derivatives have now been prepared through the condensation of anthranilic acid derivatives and 1,2-dihydropyrrolo[3,4-b]quinoline-3-one in the presence of phosphorus oxychloride. When dichloromethane was used as solvent the reaction proceeded to a single product. In contrast when the reaction was carried out in tetrahydrofuran or in phosphorus oxychloride, an additional isomeric product was obtained. The luotonin A analogues were evaluated for their ability to effect stabilization of the covalent binary complex formed between human topoisomerase I and DNA, and for cytotoxicity toward a yeast strain expressing the human topoisomerase I.
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Affiliation(s)
- Ali Cagir
- Department of Chemistry and Department of Biology, University of Virginia, Charlottesville, VA 22901, USA
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