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Koyioni M, Kourtellaris A, Koutentis PA. Synthesis of Canthin-4-ones and Isocanthin-4-ones via B Ring Construction. J Org Chem 2024; 89:6444-6455. [PMID: 38657206 PMCID: PMC11077480 DOI: 10.1021/acs.joc.4c00440] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Revised: 04/11/2024] [Accepted: 04/16/2024] [Indexed: 04/26/2024]
Abstract
Canthin-4-one is synthesized via a six-step procedure starting from commercially available 3-amino-4-bromopyridine in 26% overall yield. 3-Amino-4-bromopyridine is initially converted to 8-bromo-1,5-naphthyridin-4(1H)-one. O-Methylation, intermolecular Pd-catalyzed C-C coupling, and demethylation afford the key intermediate, 8-(2-chlorophenyl)-1,5-naphthyridin-4(1H)-one, for which intramolecular C-N coupling completes the synthesis of the canthin-4-one skeleton. Ten canthin-4-one analogues were prepared in addition to the parent compound. With minor modifications, the synthesis also applies to the synthesis of two series of isocanthin-4-ones.
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Affiliation(s)
- Maria Koyioni
- Department of Chemistry, University of Cyprus, P.O. Box 20537, 1678 Nicosia, Cyprus
| | - Andreas Kourtellaris
- Department of Chemistry, University of Cyprus, P.O. Box 20537, 1678 Nicosia, Cyprus
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2
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Zhang Z, Wang Y, Xu Q, Zhou X, Ling Y, Zhang J, Mao L. Methyl Canthin-6-one-2-carboxylate Restrains the Migration/Invasion Properties of Fibroblast-like Synoviocytes by Suppressing the Hippo/YAP Signaling Pathway. Pharmaceuticals (Basel) 2023; 16:1440. [PMID: 37895911 PMCID: PMC10610387 DOI: 10.3390/ph16101440] [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: 08/22/2023] [Revised: 10/02/2023] [Accepted: 10/09/2023] [Indexed: 10/29/2023] Open
Abstract
Rheumatoid arthritis (RA) is an inflammatory condition that causes severe cartilage degradation and synovial damage in the joints with multiple systemic implications. Previous studies have revealed that fibroblast-like synoviocytes (FLSs) play a pivotal role in the pathogenesis of RA. The appropriate regulation of FLS function is an efficient approach for the treatment of this disease. In the present study, we explored the effects of methyl canthin-6-one-2-carboxylate (Cant), a novel canthin-6-one alkaloid, on the function of FLSs. Our data showed that exposure to Cant significantly suppressed RA-FLS migration and invasion properties in a dose-dependent manner. Meanwhile, pre-treatment with Cant also had an inhibitory effect on the release of several pro-inflammatory cytokines, including IL-6 and IL-1β, as well as the production of MMP1 and MMP3, which are important mediators of FLS invasion. In further mechanistic studies, we found that Cant had an inhibitory effect on the Hippo/YAP signaling pathway. Treatment with Cant suppressed YAP expression and phosphorylation on serine 127 and serine 397 while enhancing LATS1 and MST1 levels, both being important upstream regulators of YAP. Moreover, YAP-specific siRNA or YAP inhibition significantly inhibited wound healing as well as the migration and invasion rate of FLS cells, an impact similar to Cant treatment. Meanwhile, the over-expression of YAP significantly reversed the Cant-induced decline in RA-FLS cell migration and invasion, indicating that YAP was required in the inhibitory effect of Cant on the migration and invasion of RA-FLS cells. Additionally, supplementation of MMP1, but not MMP3, in culture supernatants significantly reversed the inhibitory effect of Cant on RA-FLS cell invasion. Our data collectively demonstrated that Cant may suppress RA-FLS migration and invasion by inhibiting the production of MMP1 via inhibiting the YAP signaling pathway, suggesting a potential of Cant for the further development of anti-RA drugs.
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Affiliation(s)
- Zongying Zhang
- Department of Immunology, School of Medicine, Nantong University, 19 Qixiu Road, Nantong 226001, China; (Z.Z.)
| | - Yunhan Wang
- Department of Immunology, School of Medicine, Nantong University, 19 Qixiu Road, Nantong 226001, China; (Z.Z.)
| | - Qiuyun Xu
- Department of Immunology, School of Medicine, Nantong University, 19 Qixiu Road, Nantong 226001, China; (Z.Z.)
| | - Xiaorong Zhou
- Department of Immunology, School of Medicine, Nantong University, 19 Qixiu Road, Nantong 226001, China; (Z.Z.)
| | - Yong Ling
- Jiangsu Province Key Laboratory for Inflammation and Molecular Drug Target, School of Pharmacy, Nantong University, Nantong 226001, China
| | - Jie Zhang
- Department of Immunology, School of Medicine, Nantong University, 19 Qixiu Road, Nantong 226001, China; (Z.Z.)
| | - Liming Mao
- Department of Immunology, School of Medicine, Nantong University, 19 Qixiu Road, Nantong 226001, China; (Z.Z.)
- Basic Medical Research Center, School of Medicine, Nantong University, Nantong 226019, China
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3
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Zhang Z, Wang A, Wang Y, Sun W, Zhou X, Xu Q, Mao L, Zhang J. Canthin-6-Ones: Potential Drugs for Chronic Inflammatory Diseases by Targeting Multiple Inflammatory Mediators. Molecules 2023; 28:molecules28083381. [PMID: 37110614 PMCID: PMC10141368 DOI: 10.3390/molecules28083381] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 04/07/2023] [Accepted: 04/10/2023] [Indexed: 04/29/2023] Open
Abstract
Chronic inflammatory disease (CID) is a category of medical conditions that causes recurrent inflammatory attacks in multiple tissues. The occurrence of CID is related to inappropriate immune responses to normal tissue substances and invading microbes due to many factors, such as defects in the immune system and imbalanced regulation of commensal microbes. Thus, effectively keeping the immune-associated cells and their products in check and inhibiting aberrant activation of the immune system is a key strategy for the management of CID. Canthin-6-ones are a subclass of β-carboline alkaloids isolated from a wide range of species. Several emerging studies based on in vitro and in vivo experiments reveal that canthin-6-ones may have potential therapeutic effects on many inflammatory diseases. However, no study has yet summarized the anti-inflammatory functions and the underlying mechanisms of this class of compounds. This review provides an overview of these studies, focusing on the disease entities and the inflammatory mediators that have been shown to be affected by canthin-6-ones. In particular, the major signaling pathways affected by canthin-6-ones, such as the NLR family pyrin domain containing 3 (NLRP3) inflammasome and the NF-κB signaling pathway, and their roles in several CIDs are discussed. Moreover, we discuss the limitations in studies of canthin-6-ones and provide possible solutions. In addition, a perspective that may suggest possible future research directions is provided. This work may be helpful for further mechanistic studies and possible therapeutic applications of canthin-6-ones in the treatment of CID.
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Affiliation(s)
- Zongying Zhang
- Department of Immunology, School of Medicine, Nantong University, 19 Qixiu Road, Nantong 226001, China
| | - Anqi Wang
- Department of Immunology, School of Medicine, Nantong University, 19 Qixiu Road, Nantong 226001, China
| | - Yunhan Wang
- Department of Immunology, School of Medicine, Nantong University, 19 Qixiu Road, Nantong 226001, China
| | - Weichen Sun
- Department of Immunology, School of Medicine, Nantong University, 19 Qixiu Road, Nantong 226001, China
| | - Xiaorong Zhou
- Department of Immunology, School of Medicine, Nantong University, 19 Qixiu Road, Nantong 226001, China
| | - Qiuyun Xu
- Department of Immunology, School of Medicine, Nantong University, 19 Qixiu Road, Nantong 226001, China
| | - Liming Mao
- Department of Immunology, School of Medicine, Nantong University, 19 Qixiu Road, Nantong 226001, China
- Basic Medical Research Center, School of Medicine, Nantong University, Nantong 226019, China
| | - Jie Zhang
- Department of Immunology, School of Medicine, Nantong University, 19 Qixiu Road, Nantong 226001, China
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4
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Recent Advances in Molecule Synthesis Involving C-C Bond Cleavage of Ketoxime Esters. Molecules 2023; 28:molecules28062667. [PMID: 36985637 PMCID: PMC10058904 DOI: 10.3390/molecules28062667] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2023] [Revised: 03/08/2023] [Accepted: 03/10/2023] [Indexed: 03/18/2023] Open
Abstract
The synthetic strategies of oxime derivatives participating in radical-type reactions have been rapidly developed in the last few decades. Among them, the N–O bond cleavage of oxime esters leading to formation of nitrogen-centered radicals triggers adjacent C–C bond cleavage to produce carbon-centered free radicals, which has been virtually used in organic synthesis in recent years. Herein, we summarized the radical reactions involving oxime N–O bond and C–C bond cleavage through this special reaction form, including those from acyl oxime ester derivatives and cyclic ketoxime ester derivatives. These contents were systematically classified according to different reaction types. In this review, the free radical reactions involving acyl oxime esters and cyclic ketoxime esters after 2021 were included, with emphasis on the substrate scope and reaction mechanism.
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Aksenov NA, Arutiunov NA, Aksenov AV, Aksenova IV, Aleksandrova EV, Aksenov DA, Rubin M. Nitrovinylindoles as Heterotrienes: Electrocyclic Cyclization En Route to β-Carbolines: Total Synthesis of Alkaloids Norharmane, Harmane, and Eudistomin N. Org Lett 2022; 24:7062-7066. [PMID: 36166488 DOI: 10.1021/acs.orglett.2c02483] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
Unusual cascade transformation was developed involving microwave assisted electrocyclic cyclization of aci (alkylideneazinic acid) forms of nitrovinylindoles acting as heterotrienes. Subsequent one-pot reduction allowed for efficient access to β-carbolines, including several natural products, alkaloids norharmane, harmane and eudistomin N.
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Affiliation(s)
- Nicolai A Aksenov
- Department of Chemistry, North Caucasus Federal University, 1a Pushkin St., Stavropol 355009, Russian Federation
| | - Nikolai A Arutiunov
- Department of Chemistry, North Caucasus Federal University, 1a Pushkin St., Stavropol 355009, Russian Federation
| | - Alexander V Aksenov
- Department of Chemistry, North Caucasus Federal University, 1a Pushkin St., Stavropol 355009, Russian Federation
| | - Inna V Aksenova
- Department of Chemistry, North Caucasus Federal University, 1a Pushkin St., Stavropol 355009, Russian Federation
| | - Elena V Aleksandrova
- Department of Chemistry, North Caucasus Federal University, 1a Pushkin St., Stavropol 355009, Russian Federation
| | - Dmitrii A Aksenov
- Department of Chemistry, North Caucasus Federal University, 1a Pushkin St., Stavropol 355009, Russian Federation
| | - Michael Rubin
- Department of Chemistry, North Caucasus Federal University, 1a Pushkin St., Stavropol 355009, Russian Federation.,Department of Chemistry, University of Kansas, 1567 Irving Hill Road, Lawrence, Kansas 66045, United States
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Qin R, You FM, Zhao Q, Xie X, Peng C, Zhan G, Han B. Naturally derived indole alkaloids targeting regulated cell death (RCD) for cancer therapy: from molecular mechanisms to potential therapeutic targets. J Hematol Oncol 2022; 15:133. [PMID: 36104717 PMCID: PMC9471064 DOI: 10.1186/s13045-022-01350-z] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2022] [Accepted: 09/03/2022] [Indexed: 12/11/2022] Open
Abstract
Regulated cell death (RCD) is a critical and active process that is controlled by specific signal transduction pathways and can be regulated by genetic signals or drug interventions. Meanwhile, RCD is closely related to the occurrence and therapy of multiple human cancers. Generally, RCD subroutines are the key signals of tumorigenesis, which are contributed to our better understanding of cancer pathogenesis and therapeutics. Indole alkaloids derived from natural sources are well defined for their outstanding biological and pharmacological properties, like vincristine, vinblastine, staurosporine, indirubin, and 3,3′-diindolylmethane, which are currently used in the clinic or under clinical assessment. Moreover, such compounds play a significant role in discovering novel anticancer agents. Thus, here we systemically summarized recent advances in indole alkaloids as anticancer agents by targeting different RCD subroutines, including the classical apoptosis and autophagic cell death signaling pathways as well as the crucial signaling pathways of other RCD subroutines, such as ferroptosis, mitotic catastrophe, necroptosis, and anoikis, in cancer. Moreover, we further discussed the cross talk between different RCD subroutines mediated by indole alkaloids and the combined strategies of multiple agents (e.g., 3,10-dibromofascaplysin combined with olaparib) to exhibit therapeutic potential against various cancers by regulating RCD subroutines. In short, the information provided in this review on the regulation of cell death by indole alkaloids against different targets is expected to be beneficial for the design of novel molecules with greater targeting and biological properties, thereby facilitating the development of new strategies for cancer therapy.
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7
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Lu P, Zhuang W, Lu L, Liu A, Chen Y, Wu C, Zhang X, Huang Q. Chemodivergent Synthesis of Indeno[1,2- b]indoles and Isoindolo[2,1- a]indoles via Mn(III)-Mediated or Electrochemical Intramolecular Radical Cross-Dehydrogenative Coupling. J Org Chem 2022; 87:10967-10981. [PMID: 35901234 DOI: 10.1021/acs.joc.2c01238] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
Abstract
Chemodivergent synthesis of indeno[1,2-b]indoles and isoindolo[2,1-a]indoles from the same starting materials involving radical cross-dehydrogenative couplings have been developed. Mn(OAc)3·2H2O selectively promoted an intramolecular radical C-H/C-H dehydrogenative coupling reaction to provide indeno[1,2-b]indoles, while an intramolecular radical C-H/N-H dehydrogenative coupling reaction could proceed via electrochemistry to deliver isoindolo[2,1-a]indoles. Plausible mechanisms of the chemodivergent reactions were proposed.
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Affiliation(s)
- Piao Lu
- Fujian Key Laboratory of Polymer Materials, Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, College of Chemistry & Materials Science, Fujian Normal University, Fuzhou, Fujian 350007, PR China
| | - Weihui Zhuang
- Fujian Key Laboratory of Polymer Materials, Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, College of Chemistry & Materials Science, Fujian Normal University, Fuzhou, Fujian 350007, PR China
| | - Leipeng Lu
- Fujian Key Laboratory of Polymer Materials, Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, College of Chemistry & Materials Science, Fujian Normal University, Fuzhou, Fujian 350007, PR China
| | - Anyi Liu
- Fujian Key Laboratory of Polymer Materials, Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, College of Chemistry & Materials Science, Fujian Normal University, Fuzhou, Fujian 350007, PR China
| | - Yixi Chen
- Fujian Key Laboratory of Polymer Materials, Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, College of Chemistry & Materials Science, Fujian Normal University, Fuzhou, Fujian 350007, PR China
| | - Chenmeng Wu
- Fujian Key Laboratory of Polymer Materials, Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, College of Chemistry & Materials Science, Fujian Normal University, Fuzhou, Fujian 350007, PR China
| | - Xiaofeng Zhang
- Fujian Key Laboratory of Polymer Materials, Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, College of Chemistry & Materials Science, Fujian Normal University, Fuzhou, Fujian 350007, PR China
| | - Qiufeng Huang
- Fujian Key Laboratory of Polymer Materials, Fujian Provincial Key Laboratory of Advanced Materials Oriented Chemical Engineering, College of Chemistry & Materials Science, Fujian Normal University, Fuzhou, Fujian 350007, PR China
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8
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Mishra DR, Panda BS, Nayak S, Panda J, Mohapatra S. Recent Advances in the Synthesis of 5‐Membered
N
‐Heterocycles via Rhodium Catalysed Cascade Reactions. ChemistrySelect 2022. [DOI: 10.1002/slct.202200531] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Affiliation(s)
- Deepak R. Mishra
- Organic Synthesis Laboratory Department of Chemistry Ravenshaw University Cuttack 753003 Odisha India
| | - Bhabani S. Panda
- Organic Synthesis Laboratory Department of Chemistry Ravenshaw University Cuttack 753003 Odisha India
| | - Sabita Nayak
- Organic Synthesis Laboratory Department of Chemistry Ravenshaw University Cuttack 753003 Odisha India
| | - Jasmine Panda
- Organic Synthesis Laboratory Department of Chemistry Ravenshaw University Cuttack 753003 Odisha India
| | - Seetaram Mohapatra
- Organic Synthesis Laboratory Department of Chemistry Ravenshaw University Cuttack 753003 Odisha India
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9
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Qu Z, Tian T, Deng GJ, Huang H. Diverse catalytic systems for nitrogen-heterocycle formation from O-acyl ketoximes. CHINESE CHEM LETT 2022. [DOI: 10.1016/j.cclet.2022.05.079] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
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10
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Torquato HFV, Junior MTR, Lima CS, Júnior RTDA, Talhati F, Dias DA, Justo GZ, Ferreira AT, Pilli RA, Paredes-Gamero EJ. A canthin-6-one derivative induces cell death by apoptosis/necroptosis-like with DNA damage in acute myeloid cells. Biomed Pharmacother 2022; 145:112439. [PMID: 34808555 DOI: 10.1016/j.biopha.2021.112439] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 11/10/2021] [Accepted: 11/12/2021] [Indexed: 02/07/2023] Open
Abstract
Natural products have long been considered a relevant source of new antitumor agents. Despite advances in the treatment of younger patients with acute myeloid leukemia (AML), the prognosis of elderly patients remains poor, with a high frequency of relapse. The cytotoxicity of canthin-6-one alkaloids has been extensively studied in different cell types, including leukemic strains. Among the canthin-6-one analogs tested, 10-methoxycanthin-6-one (Mtx-C) showed the highest cytotoxicity in the malignant AML cells Kasumi-1 and KG-1. Thus, we evaluated the cytotoxicity and cell death mechanisms related to Mtx-C using the EC50 (80 µM for Kasumi-1 and 36 µM for KG-1) treatment for 24 h. Our results identify reactive oxygen species production, mitochondrial depolarization, annexin V-FITC/7-AAD double staining, caspase cleave and upregulation of mitochondria-dependent apoptosis proteins (Bax, Bim, Bik, Puma and phosphorylation of p53) for both cell lineages. However, downregulation of Bcl-2 and the simultaneous execution of the apoptotic and necroptotic programs associated with the phosphorylation of the proteins receptor-interacting serine/threonine-protein kinase 3 and mixed lineage kinase domain-like pseudokinase occurred only in Kasumi-1 cells. About the lasted events, Kasumi-1 cell death was inhibited by pharmacological agents such as Zvad-FMK and necrostatin-1. The underlying molecular mechanisms of Mtx-C still include participation in the DNA damage and stress-signaling pathways involving p38 and c-Jun N-terminal mitogen-activated protein kinases and interaction with DNA. Thus, Mtx-C represents a promising tool for the development of new antileukemic molecules.
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Affiliation(s)
- Heron F V Torquato
- Departamento de Bioquímica, Universidade Federal de São Paulo, R. Três de Maio 100, 04044-020 São Paulo, SP, Brazil; Faculdade de Farmácia, Centro Universitário Braz Cubas, 08773-380 Mogi das Cruzes, SP, Brazil; Faculdade de Ciências Farmacêuticas, Alimentos e Nutrição, Universidade Federal de Mato Grosso do Sul, 79070-900 Campo Grande, MS, Brazil
| | | | - Cauê Santos Lima
- Departamento de Bioquímica, Universidade Federal de São Paulo, R. Três de Maio 100, 04044-020 São Paulo, SP, Brazil
| | - Roberto Theodoro de Araujo Júnior
- Departamento de Bioquímica, Universidade Federal de São Paulo, R. Três de Maio 100, 04044-020 São Paulo, SP, Brazil; Faculdade de Farmácia, Centro Universitário Braz Cubas, 08773-380 Mogi das Cruzes, SP, Brazil
| | - Fernanda Talhati
- Faculdade de Farmácia, Centro Universitário Braz Cubas, 08773-380 Mogi das Cruzes, SP, Brazil
| | - Dhebora Albuquerque Dias
- Faculdade de Ciências Farmacêuticas, Alimentos e Nutrição, Universidade Federal de Mato Grosso do Sul, 79070-900 Campo Grande, MS, Brazil
| | - Giselle Zenker Justo
- Departamento de Bioquímica, Universidade Federal de São Paulo, R. Três de Maio 100, 04044-020 São Paulo, SP, Brazil
| | - Alice Teixeira Ferreira
- Departamento de Biofísica, Universidade Federal de São Paulo, R. Três de Maio 100, 04044-020 São Paulo, SP, Brazil
| | - Ronaldo Aloise Pilli
- Instituto de Química, Universidade Estadual de Campinas, 13084-971 Campinas, SP, Brazil
| | - Edgar J Paredes-Gamero
- Departamento de Bioquímica, Universidade Federal de São Paulo, R. Três de Maio 100, 04044-020 São Paulo, SP, Brazil; Faculdade de Ciências Farmacêuticas, Alimentos e Nutrição, Universidade Federal de Mato Grosso do Sul, 79070-900 Campo Grande, MS, Brazil.
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11
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Mei H, Yu Y, Wang C, Liu A, Han J. Assembly of tetracyclic tetrahydrocarbazoles via a visible-light promoted cascade process. Org Chem Front 2022. [DOI: 10.1039/d2qo00247g] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
A photocatalytic cascade reaction of alkene tethered indoles and bromodifluoroacetate esters has been developed, which provides a novel access to tetracyclic tetrahydrocarbazole derivatives.
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Affiliation(s)
- Haibo Mei
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Yingjie Yu
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Chengting Wang
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Aiyao Liu
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China
| | - Jianlin Han
- Jiangsu Co-Innovation Center of Efficient Processing and Utilization of Forest Resources, College of Chemical Engineering, Nanjing Forestry University, Nanjing 210037, China
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Fang F, Hu S, Li C, Wang Q, Wang R, Han X, Zhou Y, Liu H. Catalytic System‐Controlled Divergent Reaction Strategies for the Construction of Diversified Spiropyrazolone Skeletons from Pyrazolidinones and Diazopyrazolones. Angew Chem Int Ed Engl 2021. [DOI: 10.1002/ange.202105857] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Feifei Fang
- State Key Laboratory of Natural Medicines and Department of Medicinal Chemistry China Pharmaceutical University 24 Tong Jia Xiang Nanjing Jiangsu 210009 China
- State Key Laboratory of Drug Research Shanghai Institute of Materia Medica Chinese Academy of Sciences 555 Zu Chong Zhi Road Shanghai 201203 China
- School of Pharmaceutical Science and Technology Hangzhou Institute for Advanced Study University of Chinese Academy of Sciences Hangzhou 310024 China
| | - Shulei Hu
- State Key Laboratory of Natural Medicines and Department of Medicinal Chemistry China Pharmaceutical University 24 Tong Jia Xiang Nanjing Jiangsu 210009 China
- State Key Laboratory of Drug Research Shanghai Institute of Materia Medica Chinese Academy of Sciences 555 Zu Chong Zhi Road Shanghai 201203 China
- School of Pharmaceutical Science and Technology Hangzhou Institute for Advanced Study University of Chinese Academy of Sciences Hangzhou 310024 China
| | - Chunpu Li
- State Key Laboratory of Drug Research Shanghai Institute of Materia Medica Chinese Academy of Sciences 555 Zu Chong Zhi Road Shanghai 201203 China
- School of Pharmaceutical Science and Technology Hangzhou Institute for Advanced Study University of Chinese Academy of Sciences Hangzhou 310024 China
| | - Qian Wang
- State Key Laboratory of Drug Research Shanghai Institute of Materia Medica Chinese Academy of Sciences 555 Zu Chong Zhi Road Shanghai 201203 China
- School of Pharmaceutical Science and Technology Hangzhou Institute for Advanced Study University of Chinese Academy of Sciences Hangzhou 310024 China
| | - Run Wang
- State Key Laboratory of Drug Research Shanghai Institute of Materia Medica Chinese Academy of Sciences 555 Zu Chong Zhi Road Shanghai 201203 China
- School of Pharmaceutical Science and Technology Hangzhou Institute for Advanced Study University of Chinese Academy of Sciences Hangzhou 310024 China
| | - Xu Han
- State Key Laboratory of Drug Research Shanghai Institute of Materia Medica Chinese Academy of Sciences 555 Zu Chong Zhi Road Shanghai 201203 China
- School of Pharmaceutical Science and Technology Hangzhou Institute for Advanced Study University of Chinese Academy of Sciences Hangzhou 310024 China
| | - Yu Zhou
- State Key Laboratory of Drug Research Shanghai Institute of Materia Medica Chinese Academy of Sciences 555 Zu Chong Zhi Road Shanghai 201203 China
- School of Pharmaceutical Science and Technology Hangzhou Institute for Advanced Study University of Chinese Academy of Sciences Hangzhou 310024 China
| | - Hong Liu
- State Key Laboratory of Natural Medicines and Department of Medicinal Chemistry China Pharmaceutical University 24 Tong Jia Xiang Nanjing Jiangsu 210009 China
- State Key Laboratory of Drug Research Shanghai Institute of Materia Medica Chinese Academy of Sciences 555 Zu Chong Zhi Road Shanghai 201203 China
- School of Pharmaceutical Science and Technology Hangzhou Institute for Advanced Study University of Chinese Academy of Sciences Hangzhou 310024 China
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13
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Srinivasulu V, Sieburth SM, Khanfar MA, Abu-Yousef IA, Majdalawieh A, Ramanathan M, Sebastian A, Al-Tel TH. Stereoselective Late-Stage Transformations of Indolo[2,3- a]quinolizines Skeleta to Nature-Inspired Scaffolds. J Org Chem 2021; 86:12872-12885. [PMID: 34477383 DOI: 10.1021/acs.joc.1c01523] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The indolo[2,3-a]quinolizines, canthines, and arborescidines natural products exhibit a wide range of bioactivities including anticancer, antiviral, antibacterial, and anti-inflammatory, among others. Therefore, the development of modular and efficient strategies to access the core scaffolds of these classes of natural products is a remarkable achievement. The Complexity-to-Diversity (CtD) strategy has become a powerful tool that transforms natural products into skeletal and stereochemical diversity. However, many of the reactions that could be utilized in this process are limited by the type of functional groups present in the starting material, which restrict transformations into a variety of products to achieve the desired diversity. In the course of employing a (CtD) strategy en route to the synthesis of nature-inspired compounds, unexpected stereoelectronic-driven rearrangement reactions have been discovered. These reactions provided a rapid access to indolo[2,3-a]quinolizines-, canthines-, and arborescidines-inspired alkaloids in a modular and diastereoselective manner. The disclosed strategies will be widely applicable to other late-stage natural product transformation programs and drug discovery initiatives.
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Affiliation(s)
- Vunnam Srinivasulu
- Sharjah Institute for Medical Research, University of Sharjah, P.O. Box 27272, Sharjah 00000, UAE
| | - Scott McN Sieburth
- Temple University, Department of Chemistry, 201 Beury Hall, Philadelphia, Pennsylvania 19122, United States
| | - Monther A Khanfar
- College of Science, Department of Chemistry, University of Sharjah, P.O. Box 27272, Sharjah 00000, UAE
| | - Imad A Abu-Yousef
- Department of Biology, Chemistry and Environmental Sciences, American University of Sharjah, P.O. Box 26666, Sharjah, UAE
| | - Amin Majdalawieh
- Department of Biology, Chemistry and Environmental Sciences, American University of Sharjah, P.O. Box 26666, Sharjah, UAE
| | - Mani Ramanathan
- Department of Biology, Chemistry and Environmental Sciences, American University of Sharjah, P.O. Box 26666, Sharjah, UAE
| | - Anusha Sebastian
- Sharjah Institute for Medical Research, University of Sharjah, P.O. Box 27272, Sharjah 00000, UAE
| | - Taleb H Al-Tel
- Sharjah Institute for Medical Research, University of Sharjah, P.O. Box 27272, Sharjah 00000, UAE.,College of Pharmacy, University of Sharjah, P.O. Box 27272, Sharjah 00000, UAE
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14
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Design and Synthesis of Aza-β-Carboline Analogs and their Antibacterial Evaluation. Pharm Chem J 2021. [DOI: 10.1007/s11094-021-02429-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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15
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Chabowska G, Barg E, Wójcicka A. Biological Activity of Naturally Derived Naphthyridines. Molecules 2021; 26:4324. [PMID: 34299599 PMCID: PMC8306249 DOI: 10.3390/molecules26144324] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/29/2021] [Revised: 07/11/2021] [Accepted: 07/13/2021] [Indexed: 11/16/2022] Open
Abstract
Marine and terrestrial environments are rich sources of various bioactive substances, which have been used by humans since prehistoric times. Nowadays, due to advances in chemical sciences, new substances are still discovered, and their chemical structures and biological properties are constantly explored. Drugs obtained from natural sources are used commonly in medicine, particularly in cancer and infectious diseases treatment. Naphthyridines, isolated mainly from marine organisms and terrestrial plants, represent prominent examples of naturally derived agents. They are a class of heterocyclic compounds containing a fused system of two pyridine rings, possessing six isomers depending on the nitrogen atom's location. In this review, biological activity of naphthyridines obtained from various natural sources was summarized. According to previous studies, the naphthyridine alkaloids displayed multiple activities, i.a., antiinfectious, anticancer, neurological, psychotropic, affecting cardiovascular system, and immune response. Their wide range of activity makes them a fascinating object of research with prospects for use in therapeutic purposes.
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Affiliation(s)
- Gabriela Chabowska
- Department of Basic Medical Sciences, Faculty of Pharmacy, Wroclaw Medical University, Borowska 211A, 50-556 Wrocław, Poland;
| | - Ewa Barg
- Department of Basic Medical Sciences, Faculty of Pharmacy, Wroclaw Medical University, Borowska 211A, 50-556 Wrocław, Poland;
| | - Anna Wójcicka
- Department of Pharmaceutical Technology, Faculty of Pharmacy, Wroclaw Medical University, Borowska 211A, 50-556 Wrocław, Poland
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16
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Fang F, Hu S, Li C, Wang Q, Wang R, Han X, Zhou Y, Liu H. Catalytic System-Controlled Divergent Reaction Strategies for the Construction of Diversified Spiropyrazolone Skeletons from Pyrazolidinones and Diazopyrazolones. Angew Chem Int Ed Engl 2021; 60:21327-21333. [PMID: 34180572 DOI: 10.1002/anie.202105857] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 06/15/2021] [Indexed: 12/13/2022]
Abstract
A catalytic system-controlled divergent reaction strategy was here reported to construct four types of intriguing spiroheterocyclic skeletons from simple and readily available starting materials via a precise chemical bond activation/[n+1] annulation cascade. The tetraazaspiroheterocyclic and trizazspiroheterocyclic scaffolds could be independently constructed by a selective N-N bond activation/[n+1] annulation cascade, a C(sp2 )-H activation/[4+1] annulation and a novel tandem C(sp2 )-H/C(sp3 )-H bond activation/[4+1] annulation strategy, along with a broad scope of substrates, moderate to excellent yields and valuable transformations. More importantly, in these transformations, we are the first time to capture a N-N bond activation and a C(sp3 )-H bond activation of pyrazolidinones under different catalytic system.
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Affiliation(s)
- Feifei Fang
- State Key Laboratory of Natural Medicines and Department of Medicinal Chemistry, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing, Jiangsu, 210009, China.,State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Shanghai, 201203, China.,School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, 310024, China
| | - Shulei Hu
- State Key Laboratory of Natural Medicines and Department of Medicinal Chemistry, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing, Jiangsu, 210009, China.,State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Shanghai, 201203, China.,School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, 310024, China
| | - Chunpu Li
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Shanghai, 201203, China.,School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, 310024, China
| | - Qian Wang
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Shanghai, 201203, China.,School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, 310024, China
| | - Run Wang
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Shanghai, 201203, China.,School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, 310024, China
| | - Xu Han
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Shanghai, 201203, China.,School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, 310024, China
| | - Yu Zhou
- State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Shanghai, 201203, China.,School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, 310024, China
| | - Hong Liu
- State Key Laboratory of Natural Medicines and Department of Medicinal Chemistry, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing, Jiangsu, 210009, China.,State Key Laboratory of Drug Research, Shanghai Institute of Materia Medica, Chinese Academy of Sciences, 555 Zu Chong Zhi Road, Shanghai, 201203, China.,School of Pharmaceutical Science and Technology, Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Hangzhou, 310024, China
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17
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Singh R, Kumar S, Patil MT, Sun C, Salunke DB. Post‐Pictet‐Spengler Cyclization (PPSC): A Strategy to Synthesize Polycyclic β‐Carboline‐Derived Natural Products and Biologically Active N‐Heterocycles. Adv Synth Catal 2020. [DOI: 10.1002/adsc.202000549] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Affiliation(s)
- Rahul Singh
- Department of Chemistry and Centre of Advanced Studies in Chemistry Panjab University Chandigarh 160014 India
| | - Sunil Kumar
- Department of Chemistry and Centre of Advanced Studies in Chemistry Panjab University Chandigarh 160014 India
| | - Madhuri T. Patil
- Mehr Chand Mahajan DAV College for Women, Sector 36 Chandigarh 160036 India
| | - Chung‐Ming Sun
- Department of Applied Chemistry National Chiao-Tung University Hsinchu Taiwan
- Department of Medicinal and Applied Chemistry Kaohsiung Medical University Kaohsiung 807-08 Taiwan
| | - Deepak B. Salunke
- Department of Chemistry and Centre of Advanced Studies in Chemistry Panjab University Chandigarh 160014 India
- National Interdisciplinary Centre of Vaccine Immunotherapeutics and Antimicrobials Panjab University Chandigarh 160014 India
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18
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Ahmad I, Fakhri S, Khan H, Jeandet P, Aschner M, Yu ZL. Targeting cell cycle by β-carboline alkaloids in vitro: Novel therapeutic prospects for the treatment of cancer. Chem Biol Interact 2020; 330:109229. [PMID: 32835667 DOI: 10.1016/j.cbi.2020.109229] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/10/2020] [Revised: 07/25/2020] [Accepted: 08/18/2020] [Indexed: 12/19/2022]
Abstract
Cell cycle dysregulation is the mainstay of aberrant cell proliferation, which leads to tumor progression. Mutations in tumor cells initiate various dysregulated pathways and spontaneous over-proliferation with genomic/chromosomal instability. Despite advances in cancer therapy, it has remained a medicinal challenge to treat. Besides, the complexity of pathophysiological pathways behind cancer raises the need for novel multi-target agents, possessing fewer side effects. Alkaloid-based therapies have been explored so far to target cell division in cancer, including vinca alkaloids. As a class of hopeful β-carboline derivatives, growing evidence has indicated their auspicious roles in combating cancer by inhibiting topoisomerase (TOPO), kinesin Eg5, telomerase, cyclin-dependent kinase (CDK), IκB kinase (IKK), and polo-like kinase-1 (PLK1) in the transition phases of cell cycle. In this review, in vitro potential of β-carboline has been revealed through targeting cell division cycle at different phases. In conclusion, β-carboline alkaloids could be introduced as novel candidates in cancer therapy.
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Affiliation(s)
- Imad Ahmad
- Department of Pharmacy, Abdul Wali Khan University Mardan, 23200, Pakistan.
| | - Sajad Fakhri
- Pharmaceutical Sciences Research Center, Health Institute, Kermanshah University of Medical Sciences, Kermanshah, 6734667149, Iran.
| | - Haroon Khan
- Department of Pharmacy, Abdul Wali Khan University Mardan, 23200, Pakistan.
| | - Philippe Jeandet
- Induced Resistance and Plant Bioprotection, Faculty of Sciences University of Reims Champagne-Ardenne, Reims Cedex, 51687, France.
| | - Michael Aschner
- Department of Molecular Pharmacology, Albert Einstein College of Medicine Forchheimer 209 1300 Morris Park Avenue Bronx, NY, 10461, USA.
| | - Zhi-Ling Yu
- School of Chinese Medicine, Hong Kong Baptist University, Hong Kong, China.
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19
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Kalshetti MG, Argade NP. The indole-based subincanadine alkaloids and their biogenetic congeners. THE ALKALOIDS. CHEMISTRY AND BIOLOGY 2020; 83:187-223. [PMID: 32098650 DOI: 10.1016/bs.alkal.2019.12.001] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
Abstract
The tryptamine-derived polycyclic bridged bioactive indole alkaloids subincanadines A-G were isolated in 2002 by Ohsaki and coworkers from the bark of the Brazilian medicinal plant Aspidosperma subincanum. Kobayashi proposed that subincanadines D-F could be biosynthetically resulting from stemmadenine via two different pathways and, furthermore, that the subincanadines A-C could be biogenetically resulting from subincanadines D and E. Kam and coworkers, in their focused efforts, isolated five indole alkaloids from Malaysian Kopsia arborea species, namely valparicine, apparicine, arboridinine, arborisidine, and arbornamine in combination with subincanadine E. On the basis of structural features, it has been proposed and proved in some examples that subincanadine E is a biogenetic precursor of these five different bioactive indole alkaloids bearing complex structural architectures. All important information on isolation, characterization, bioactivity, probable biogenetic pathways, and more specifically racemic and enantioselective total synthesis of subincanadine alkaloids and their biogenetic congeners are summarized in the present chapter. Special importance is given to the total synthesis and the synthetic strategies intended therein, comprising a set of main reactions.
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20
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Liu P, Yang M, Gong Y, Yu Y, Zhao YL. Copper-Catalyzed Cascade Cyclization Reaction of Enamines and Electron-Deficient Terminal Alkynes: Synthesis of Polysubstituted Pyrido[1,2-a]indoles. Org Lett 2019; 22:36-40. [DOI: 10.1021/acs.orglett.9b03739] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Pei Liu
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis, Faculty of Chemistry, Northeast Normal University, Changchun 130024, China
| | - Ming Yang
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis, Faculty of Chemistry, Northeast Normal University, Changchun 130024, China
| | - Yue Gong
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis, Faculty of Chemistry, Northeast Normal University, Changchun 130024, China
| | - Yang Yu
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis, Faculty of Chemistry, Northeast Normal University, Changchun 130024, China
| | - Yu-Long Zhao
- Jilin Province Key Laboratory of Organic Functional Molecular Design & Synthesis, Faculty of Chemistry, Northeast Normal University, Changchun 130024, China
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21
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Guo S, Pan R, Guan Z, Li P, Cai L, Chen S, Lin A, Yao H. Synthesis of Indole-Fused Polycyclics via Rhodium-Catalyzed Undirected C-H Activation/Alkene Insertion. Org Lett 2019; 21:6320-6324. [PMID: 31386379 DOI: 10.1021/acs.orglett.9b02198] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
A Rh(III)-catalyzed undirected C-H activation/alkene insertion to synthesize diversified indole-fused polycyclics has been developed. Intramolecular electrophilic cyclization generated a 3-indolyl rhodium species that went through an aryl-to-aryl 1,4-rhodium migration to realize the C-H activation. The subsequent [4 + 2] carboannulation or hydroarylation of alkenes could be achieved, respectively, by simply adjusting the additives of the reaction.
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Affiliation(s)
- Songjin Guo
- Department of Medicinal Chemistry, School of Pharmacy and State Key Laboratory of Natural Medicines (SKLNM) , China Pharmaceutical University , Nanjing 210009 , P.R. China
| | - Rui Pan
- Department of Medicinal Chemistry, School of Pharmacy and State Key Laboratory of Natural Medicines (SKLNM) , China Pharmaceutical University , Nanjing 210009 , P.R. China
| | - Zhe Guan
- Department of Medicinal Chemistry, School of Pharmacy and State Key Laboratory of Natural Medicines (SKLNM) , China Pharmaceutical University , Nanjing 210009 , P.R. China
| | - Panpan Li
- Department of Medicinal Chemistry, School of Pharmacy and State Key Laboratory of Natural Medicines (SKLNM) , China Pharmaceutical University , Nanjing 210009 , P.R. China
| | - Libo Cai
- Department of Medicinal Chemistry, School of Pharmacy and State Key Laboratory of Natural Medicines (SKLNM) , China Pharmaceutical University , Nanjing 210009 , P.R. China
| | - Siwei Chen
- Department of Medicinal Chemistry, School of Pharmacy and State Key Laboratory of Natural Medicines (SKLNM) , China Pharmaceutical University , Nanjing 210009 , P.R. China
| | - Aijun Lin
- Department of Medicinal Chemistry, School of Pharmacy and State Key Laboratory of Natural Medicines (SKLNM) , China Pharmaceutical University , Nanjing 210009 , P.R. China
| | - Hequan Yao
- Department of Medicinal Chemistry, School of Pharmacy and State Key Laboratory of Natural Medicines (SKLNM) , China Pharmaceutical University , Nanjing 210009 , P.R. China
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22
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Kalshetti MG, Argade NP. Progress in total synthesis of subincanadine alkaloids and their congeners. Org Biomol Chem 2019; 17:745-761. [PMID: 30574985 DOI: 10.1039/c8ob02565g] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Abstract
A concise account of isolation, characterization, bioactivity, plausible biogenetic pathways, and most importantly, total synthesis of structurally fascinating and biologically imperious indole-based subincanadine alkaloids and their biogenetic congeners are described in the present review with special emphasis on total synthesis and therein an involved set of key reactions.
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Affiliation(s)
- Manojkumar G Kalshetti
- Division of Organic Chemistry, National Chemical Laboratory (CSIR), Pune 411 008, India.
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23
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Mari G, Catalani S, Antonini E, De Crescentini L, Mantellini F, Santeusanio S, Lombardi P, Amicucci A, Battistelli S, Benedetti S, Palma F. Synthesis and biological evaluation of novel heteroring-annulated pyrrolino-tetrahydroberberine analogues as antioxidant agents. Bioorg Med Chem 2018; 26:5037-5044. [DOI: 10.1016/j.bmc.2018.08.038] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Revised: 08/28/2018] [Accepted: 08/30/2018] [Indexed: 12/26/2022]
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24
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Gazoni VF, Balogun SO, Arunachalam K, Oliveira DM, Filho VC, Lima SR, Colodel EM, Soares IM, Ascêncio SD, Martins DTDO. Assessment of toxicity and differential antimicrobial activity of methanol extract of rhizome of Simaba ferruginea A. St.-Hil. and its isolate canthin-6-one. JOURNAL OF ETHNOPHARMACOLOGY 2018; 223:122-134. [PMID: 29772356 DOI: 10.1016/j.jep.2018.05.014] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/23/2017] [Revised: 04/20/2018] [Accepted: 05/11/2018] [Indexed: 06/08/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Simaba ferruginea A. St.-Hil., Simaroubaceae, popularly known as "calunga" is a typical subtropical shrub used in Central Brazil mainly for infection, anti-inflammatory, analgesic and gastric duodenal-ulcers. It presents in its composition the alkaloid canthin-6-one, an alkaloid indole β-carboxylic. AIM This study aims to investigate the toxicity, antimicrobial activities of methanol extract of Simaba ferruginea (MESf) and canthin-6-one by using different experimental models. METHODS The present study evaluated the phytochemical analysis by high performance liquid chromatography (HPLC), toxicological potential of MESf and canthin-6-one, using the cytotoxicity, genotoxicity assays with CHO-K1 cells and in vivo acute test in mice. Antimicrobial activity was evaluated by the broth microdilution assays, while the antimicrobial mechanism of action was also assessed using different in vitro bacterial and fungal models. RESULTS The HPLC analysis of MESf revealed the presence of canthin-6-one, kaempferol and morin. Differential in vitro toxicities were observed between MESf and canthin-6-one. In the cytotoxicity assay, MESf presented toxicity against CHO-K1, while canthin-6-one did not. In the case of in vitro genotoxicity, both showed to be potentially genotoxic. In the in vivo toxicity study, both MESf (up to 1000 mg/kg) and cantin-6-one (up to 100 mg/kg) caused no toxicologically relevant alterations and are thus considered not to be toxic. MESf was shown to be relatively safe with NOAEL (100 mg/kg) when administrate in mice. Both MESf and canthin-6-one also showed differential antimicrobial activities. On one hand, MESf demonstrated good spectrum of antibacterial action against Staphylococcus aureus (MIC 12.5 μg/mL) and Escherichia coli (MIC 25 μg/mL) and moderate activity against Enterococcus faecalis and Shigella flexneri (MIC 200 μg/mL) but no antifungal effect. On the hand, canthin-6-one showed no antibacterial activity, except against Staphylococcus aureus (100 μg/mL), but potent in vitro fungicidal activity against clinically important Aspergillus niger and Candida species at MFC intervals ranging from 3.12 to 25 μg/mL. Both MESf and canthin-6-one were bacteriostatic in action. MESf antimicrobial mechanism of actions are associated with changes in the permeability of bacterial membranes, evidenced by the increased entry of hydrophobic antibiotic in Shigella flexneri, intense K+ efflux (Shigella flexneri, Staphylococcus aureus) and nucleotides leakage (Staphylococcus aureus). In the antifungal mode of action, canthin-6-one inhibited Saccharomyces cerevisiae growth and including alteration in the cell membrane of Neurospora crassa. CONCLUSION The results of this work demonstrated the differential antimicrobial activities of MESf and its alkaloid isolate, canthin-6-one with antibacterial and antifungal activities, respectively. The present study support the popular use of Simaba ferruginea in combatting afflictions related to bacterial infections, and demonstrate that canthin-6-one as a promising antifungal agent. Both MESf and canthin-6-one are considered non-toxic based on the in vitro toxicological study.
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Affiliation(s)
- Vanessa Fátima Gazoni
- Área de Farmacologia, Departamento de Ciências Básicas em Saúde, Faculdade de Medicina, Universidade Federal de Mato Grosso (UFMT), 78060-900 Cuiabá, Mato Grosso, Brazil
| | - Sikiru Olaitan Balogun
- Área de Farmacologia, Departamento de Ciências Básicas em Saúde, Faculdade de Medicina, Universidade Federal de Mato Grosso (UFMT), 78060-900 Cuiabá, Mato Grosso, Brazil; Faculdade Noroeste do Mato Grosso - AJES, 78320-000 Juína, Mato Grosso, Brazil
| | - Karuppusamy Arunachalam
- Área de Farmacologia, Departamento de Ciências Básicas em Saúde, Faculdade de Medicina, Universidade Federal de Mato Grosso (UFMT), 78060-900 Cuiabá, Mato Grosso, Brazil
| | - Darley Maria Oliveira
- Área de Farmacologia, Departamento de Ciências Básicas em Saúde, Faculdade de Medicina, Universidade Federal de Mato Grosso (UFMT), 78060-900 Cuiabá, Mato Grosso, Brazil
| | - Valdir Cechinel Filho
- Núcleo de Investigações Químico-Farmacêuticas (NIQFAR), Universidade de Vale do Itajaí, 78020-400 Itajaí, SC, Brazil
| | - Samara Rosolem Lima
- Faculdade de Medicina Veterinaria, Universidade Federal de Mato Grosso (UFMT), Av. Fernando Corrêa da Costa, no. 2367, Boa Esperança, 78060-900 Cuiabá, MT, Brazil
| | - Edson Moleta Colodel
- Faculdade de Medicina Veterinaria, Universidade Federal de Mato Grosso (UFMT), Av. Fernando Corrêa da Costa, no. 2367, Boa Esperança, 78060-900 Cuiabá, MT, Brazil
| | - Ilsamar Mendes Soares
- Laboratório de Pesquisa em Produtos Naturais, Faculdade de Medicina, Universidade Federal de Tocantis, 77020-210 Palmas, Tocantins, Brazil
| | - Sérgio Donizeti Ascêncio
- Laboratório de Pesquisa em Produtos Naturais, Faculdade de Medicina, Universidade Federal de Tocantis, 77020-210 Palmas, Tocantins, Brazil
| | - Domingos Tabajara de Oliveira Martins
- Área de Farmacologia, Departamento de Ciências Básicas em Saúde, Faculdade de Medicina, Universidade Federal de Mato Grosso (UFMT), 78060-900 Cuiabá, Mato Grosso, Brazil.
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25
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Dai J, Dan W, Schneider U, Wang J. β-Carboline alkaloid monomers and dimers: Occurrence, structural diversity, and biological activities. Eur J Med Chem 2018; 157:622-656. [DOI: 10.1016/j.ejmech.2018.08.027] [Citation(s) in RCA: 86] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2018] [Revised: 06/26/2018] [Accepted: 08/10/2018] [Indexed: 01/21/2023]
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26
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Synthesis and antibacterial activity of C2 or C5 modified and D ring rejiggered canthin-6-one analogues. Food Chem 2018; 253:211-220. [DOI: 10.1016/j.foodchem.2018.01.166] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2017] [Revised: 01/07/2018] [Accepted: 01/25/2018] [Indexed: 01/25/2023]
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27
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Huberine, a New Canthin-6-One Alkaloid from the Bark of Picrolemma huberi. Molecules 2018; 23:molecules23040934. [PMID: 29673229 PMCID: PMC6017910 DOI: 10.3390/molecules23040934] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2018] [Revised: 03/07/2018] [Accepted: 03/14/2018] [Indexed: 11/24/2022] Open
Abstract
A new alkaloid, Canthin-6-one, Huberine (1), together with three known compounds including 1-Hydroxy-canthin-6-one (2), Canthin-6-one (3) and stigma sterol (4), were isolated from the stem bark of Picrolemma huberi. The isolation was achieved by chromatographic techniques and the purification was performed on a C18 column using acetonitrile/water (90:10, v/v) with 0.1% formic acid as the mobile phase. The structural elucidation was performed via spectroscopic methods, notably 1D- and 2D-NMR, UV, IR, MS and HRMS. The antiplasmodial activity of the compounds was studied.
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28
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Kotha S, Aswar VR, Singhal G. Synthesis of tricyclic units of indole alkaloids: Application of Fischer indolization and olefin metathesis. Tetrahedron 2017. [DOI: 10.1016/j.tet.2017.09.039] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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29
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Shelar S, Argade NP. Total Synthesis of Bioactive Canthine Alkaloid Cordatanine Comprising in Situ Double Oxidative Aromatization of Tetrahydrocarbazole. ACS OMEGA 2017; 2:3945-3950. [PMID: 31457698 PMCID: PMC6641036 DOI: 10.1021/acsomega.7b00609] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/16/2017] [Accepted: 07/18/2017] [Indexed: 06/10/2023]
Abstract
Starting from tryptamine and methoxymaleic anhydride, concise and efficient total synthesis of cordatanine has been accomplished via regioselective reduction of methoxymaleimide, acid-catalyzed intramolecular cyclization of the formed lactamol, in situ stepwise oxidations leading to aromatization, and intramolecular cyclization with the exchange of N-regioselectivity. An attempted synthesis of regioisomeric natural product zanthochilone has been described in brief with reversal of reduction selectivity.
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30
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Vikas B, Akhil BS, Suja SR, Sujathan K. An Exploration of Phytochemicals from Simaroubaceae. Asian Pac J Cancer Prev 2017; 18:1765-1767. [PMID: 28749102 PMCID: PMC5648376 DOI: 10.22034/apjcp.2017.18.7.1765] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022] Open
Abstract
Natural products such as plants, animals and minerals have been the basis of treatment of human diseases. Herbal remedies have been used for the treatment of many ailments. Many compounds have been derived from the plant species mentioned in the ancient texts of Indian system of medicine for the treatment of a number of ailments. The R and D thrust in the pharmaceutical sector is focused on development of new drugs, innovative/indigenous processes for known drugs and development of plant based drugs through investigation of leads from the traditional systems of medicine. The family Simaroubaceae is grouped in the order Rutales, is known to have a diverse range of secondary metabolites. Plants from this family are used as medicine to cure cancer and many other diseases. Isolation of diverse chemical compounds from Simaroubaceae on its stem bark, root bark and leaves have been reported. In this review, we are analysing with the chemical constituents of family Simaroubaceae.
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Affiliation(s)
- Biba Vikas
- Jawaharlal Nehru Tropical Botanic Garden and Research, Trivandrum, Kerala, India.
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Gao P, Bai Z. Carbon Tetrabromide/Triphenylphosphine-Activated Beckmann Rearrangement of Ketoximes for Synthesis of Amides. CHINESE J CHEM 2017. [DOI: 10.1002/cjoc.201700191] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
Affiliation(s)
- Peng Gao
- Shaanxi Key Laboratory of Phytochemistry, College of Chemistry and Chemical Engineering; Baoji University of Arts and Sciences; Baoji Shaanxi 721013 China
| | - Zijing Bai
- Shaanxi Key Laboratory of Phytochemistry, College of Chemistry and Chemical Engineering; Baoji University of Arts and Sciences; Baoji Shaanxi 721013 China
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32
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Zheng L, Hua R. C-H Activation and Alkyne Annulation via Automatic or Intrinsic Directing Groups: Towards High Step Economy. CHEM REC 2017; 18:556-569. [PMID: 28681990 DOI: 10.1002/tcr.201700024] [Citation(s) in RCA: 66] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2017] [Accepted: 06/30/2017] [Indexed: 12/31/2022]
Abstract
Direct transformation of carbon-hydrogen bond (C-H) has emerged to be a trend for construction of molecules from building blocks with no or less prefunctionalization, leading high atom and step economy. Directing group (DG) strategy is widely used to achieve higher reactivity and selectivity, but additional steps are usually needed for installation and/or cleavage of DGs, limiting step economy of the overall transformation. To meet this challenge, we proposed a concept of automatic DG (DGauto ), which is auto-installed and/or auto-cleavable. Multifunctional oxime and hydrazone DGauto were designed for C-H activation and alkyne annulation to furnish diverse nitrogen-containing heterocycles. Imidazole was employed as an intrinsic DG (DGin ) to synthesize ring-fused and π-extended functional molecules. The alkyne group in the substrates can also be served as DGin for ortho-C-H activation to afford carbocycles. In this account, we intend to give a review of our progress in this area and brief introduction of other related advances on C-H functionalization using DGauto or DGin strategies.
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Affiliation(s)
- Liyao Zheng
- Key Laboratory of Organic Optoelectronics and Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University, Beijing, 100084, P.R. China
- School of Chemistry and Chemical Engineering, Guangzhou University, Guangzhou, 510006, P.R. China
| | - Ruimao Hua
- Key Laboratory of Organic Optoelectronics and Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University, Beijing, 100084, P.R. China
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33
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Broumidis E, Koutentis PA. A one-pot, two-step synthesis of 3-deazacanthin-4-ones via sequential Pd-catalyzed Suzuki-Miyaura and Cu-catalyzed Buchwald-Hartwig reactions. Tetrahedron Lett 2017. [DOI: 10.1016/j.tetlet.2017.05.076] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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34
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Vieira Torquato HF, Ribeiro-Filho AC, Buri MV, Araújo Júnior RT, Pimenta R, de Oliveira JSR, Filho VC, Macho A, Paredes-Gamero EJ, de Oliveira Martins DT. Canthin-6-one induces cell death, cell cycle arrest and differentiation in human myeloid leukemia cells. Biochim Biophys Acta Gen Subj 2017; 1861:958-967. [PMID: 28161479 DOI: 10.1016/j.bbagen.2017.01.033] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2016] [Revised: 01/18/2017] [Accepted: 01/30/2017] [Indexed: 02/06/2023]
Abstract
BACKGROUND Canthin-6-one is a natural product isolated from various plant genera and from fungi with potential antitumor activity. In the present study, we evaluate the antitumor effects of canthin-6-one in human myeloid leukemia lineages. METHODS Kasumi-1 lineage was used as a model for acute myeloid leukemia. Cells were treated with canthin-6-one and cell death, cell cycle and differentiation were evaluated in both total cells (Lin+) and leukemia stem cell population (CD34+CD38-Lin-/low). RESULTS Among the human lineages tested, Kasumi-1 was the most sensitive to canthin-6-one. Canthin-6-one induced cell death with apoptotic (caspase activation, decrease of mitochondrial potential) and necrotic (lysosomal permeabilization, double labeling of annexin V/propidium iodide) characteristics. Moreover, canthin-6-one induced cell cycle arrest at G0/G1 (7μM) and G2 (45μM) evidenced by DNA content, BrdU incorporation and cyclin B1/histone 3 quantification. Canthin-6-one also promoted differentiation of Kasumi-1, evidenced by an increase in the expression of myeloid markers (CD11b and CD15) and the transcription factor PU.1. Furthermore, a reduction of the leukemic stem cell population and clonogenic capability of stem cells were observed. CONCLUSIONS These results show that canthin-6-one can affect Kasumi-1 cells by promoting cell death, cell cycle arrest and cell differentiation depending on concentration used. GENERAL SIGNIFICANCE Canthin-6-one presents an interesting cytotoxic activity against leukemic cells and represents a promising scaffold for the development of molecules for anti-leukemic applications, especially by its anti-leukemic stem cell activity.
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Affiliation(s)
- Heron F Vieira Torquato
- Department of Basic Sciences in Health, Faculty of Medicine, Federal University of Mato Grosso (UFMT), Av. Fernando Correa da Costa, no. 2367, Boa Esperança, Cuiabá, Mato Grosso 78060-900, Brazil; Department of Biochemistry, Federal University of São Paulo (UNIFESP), Av. Pedro de Toledo, no. 669, São Paulo, São Paulo 04039-401, Brazil
| | - Antonio C Ribeiro-Filho
- Centro Interdisciplinar de Investigação Bioquı́mica, Universidade de Mogi das Cruzes, Av. Dr. Cândido Xavier de Almeida Souza, 200, Mogi das Cruzes, São Paulo, Brazil
| | - Marcus V Buri
- Department of Biochemistry, Federal University of São Paulo (UNIFESP), Av. Pedro de Toledo, no. 669, São Paulo, São Paulo 04039-401, Brazil
| | - Roberto T Araújo Júnior
- Department of Biochemistry, Federal University of São Paulo (UNIFESP), Av. Pedro de Toledo, no. 669, São Paulo, São Paulo 04039-401, Brazil
| | - Renata Pimenta
- Department of Medicine (Hematology), Federal University of São Paulo (UNIFESP), Av. Diogo de Faria, 824, São Paulo, São Paulo 04037-002, Brazil
| | - José Salvador R de Oliveira
- Department of Medicine (Hematology), Federal University of São Paulo (UNIFESP), Av. Diogo de Faria, 824, São Paulo, São Paulo 04037-002, Brazil
| | - Valdir C Filho
- Chemical-Pharmaceutical Research Center, University of Vale of Itajaí (UNIVALI), Rua Uruguai, no. 458, Centro, Itajaí, Santa Catarina 88302-202, Brazil
| | - Antonio Macho
- Department of Basic Sciences in Health, Faculty of Medicine, Federal University of Mato Grosso (UFMT), Av. Fernando Correa da Costa, no. 2367, Boa Esperança, Cuiabá, Mato Grosso 78060-900, Brazil
| | - Edgar J Paredes-Gamero
- Department of Biochemistry, Federal University of São Paulo (UNIFESP), Av. Pedro de Toledo, no. 669, São Paulo, São Paulo 04039-401, Brazil; Centro Interdisciplinar de Investigação Bioquı́mica, Universidade de Mogi das Cruzes, Av. Dr. Cândido Xavier de Almeida Souza, 200, Mogi das Cruzes, São Paulo, Brazil.
| | - Domingos T de Oliveira Martins
- Department of Basic Sciences in Health, Faculty of Medicine, Federal University of Mato Grosso (UFMT), Av. Fernando Correa da Costa, no. 2367, Boa Esperança, Cuiabá, Mato Grosso 78060-900, Brazil.
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Singh D, Kumar V, Devi N, Malakar CC, Shankar R, Singh V. Metal-free Decarboxylative Amination: An Alternative Approach Towards Regioselective Synthesis of β-CarbolineN-fused Imidazoles. Adv Synth Catal 2017. [DOI: 10.1002/adsc.201600970] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Affiliation(s)
- Dharmender Singh
- Department of Chemistry; National Institute of Technology (NIT); Jalandhar 144011 Punjab India
| | - Vipin Kumar
- Department of Chemistry; National Institute of Technology (NIT); Jalandhar 144011 Punjab India
| | - Nisha Devi
- Department of Chemistry; National Institute of Technology (NIT); Jalandhar 144011 Punjab India
| | - Chandi C. Malakar
- Department of Chemistry; National Institute of Technology (NIT) Manipur; Imphal 795004 Manipur India
| | - Ravi Shankar
- Bio-Organic Chemistry Division; CSIR - Indian Institute of Integrative Medicine (IIIM); Jammu 180001 India
| | - Virender Singh
- Department of Chemistry; National Institute of Technology (NIT); Jalandhar 144011 Punjab India
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37
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Fan Z, Lu H, Li W, Geng K, Zhang A. Rhodium-catalyzed redox-neutral coupling of phenidones with alkynes. Org Biomol Chem 2017. [DOI: 10.1039/c7ob01271c] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
A switchable synthesis ofN-substituted indole derivatives from phenidonesviarhodium-catalyzed redox-neutral C–H activation has been achieved.
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Affiliation(s)
- Zhoulong Fan
- CAS Key Laboratory of Receptor Research
- and the State Key Laboratory of Drug Research
- Shanghai Institute of Materia Medica (SIMM)
- Chinese Academy of Sciences
- Shanghai 201203
| | - Heng Lu
- ShanghaiTech University
- Shanghai 201210
- China
| | - Wei Li
- CAS Key Laboratory of Receptor Research
- and the State Key Laboratory of Drug Research
- Shanghai Institute of Materia Medica (SIMM)
- Chinese Academy of Sciences
- Shanghai 201203
| | - Kaijun Geng
- CAS Key Laboratory of Receptor Research
- and the State Key Laboratory of Drug Research
- Shanghai Institute of Materia Medica (SIMM)
- Chinese Academy of Sciences
- Shanghai 201203
| | - Ao Zhang
- CAS Key Laboratory of Receptor Research
- and the State Key Laboratory of Drug Research
- Shanghai Institute of Materia Medica (SIMM)
- Chinese Academy of Sciences
- Shanghai 201203
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38
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Zheng L, Bin Y, Wang Y, Hua R. Synthesis of Natural Product-like Polyheterocycles via One-Pot Cascade Oximation, C-H Activation, and Alkyne Annulation. J Org Chem 2016; 81:8911-8919. [PMID: 27626812 DOI: 10.1021/acs.joc.6b01460] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
An efficient protocol for the direct transformation of chroman-4-ones to tricyclic fused pyridines with the skeleton of cassiarins, a family of alkaloids with antimalarial activity, was developed. Also, a general strategy for modular construction of polyheterocycles with diverse natural product-like skeletons was developed by using ketone-alkyne bifunctional substrates. These reactions involved a one-pot cascade oximation of ketones, rhodium-catalyzed C-H activation, and intermolecular/intramolecular alkyne annulations under mild conditions with high atom, step, and redox economy.
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Affiliation(s)
- Liyao Zheng
- Key Laboratory of Organic Optoelectronics & Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University , Beijing 100084, China
| | - Yunhui Bin
- Key Laboratory of Organic Optoelectronics & Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University , Beijing 100084, China
| | - Yunpeng Wang
- Key Laboratory of Organic Optoelectronics & Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University , Beijing 100084, China
| | - Ruimao Hua
- Key Laboratory of Organic Optoelectronics & Molecular Engineering of Ministry of Education, Department of Chemistry, Tsinghua University , Beijing 100084, China
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39
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Tremmel T, Puzik A, Gehring AP, Bracher F. Canthin-4-ones as Novel Antibacterial Agents. Arch Pharm (Weinheim) 2016; 349:710-23. [PMID: 27503113 DOI: 10.1002/ardp.201600137] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2016] [Revised: 07/18/2016] [Accepted: 07/26/2016] [Indexed: 11/07/2022]
Abstract
Based on the chemotype of canthin-4-one alkaloids with moderate antimicrobial activity, a collection of variously substituted canthin-4-ones and desaza analogs were synthesized. Key steps in the syntheses were regioselective halogenations of (desaza) canthin-4-one, followed by Pd-catalyzed cross-coupling reactions. The in vitro screening for antimicrobial activity revealed that two 5-substituted canthin-4-ones (3-pyridyl, 2-bromophenyl) exhibit significant activity against Streptococcus entericus, coupled with high selectivity and the lack of cytotoxicity against mammalian cells. The intact canthin-4-one ring system was demonstrated to be essential for antibacterial activity.
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Affiliation(s)
- Tim Tremmel
- Department of Pharmacy - Center for Drug Research, Ludwig-Maximilians-University of Munich, Munich, Germany
| | - Andreas Puzik
- Department of Pharmacy - Center for Drug Research, Ludwig-Maximilians-University of Munich, Munich, Germany
| | - André P Gehring
- Department of Pharmacy - Center for Drug Research, Ludwig-Maximilians-University of Munich, Munich, Germany
| | - Franz Bracher
- Department of Pharmacy - Center for Drug Research, Ludwig-Maximilians-University of Munich, Munich, Germany.
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40
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Kolle S, Batra S. Pd(OAc)2-catalysed regioselective alkoxylation of aryl (β-carbolin-1-yl)methanones via β-carboline directed ortho-C(sp(2))-H activation of an aryl ring. Org Biomol Chem 2016; 13:10376-85. [PMID: 26324764 DOI: 10.1039/c5ob01500f] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Synthesis of (2-alkoxyphenyl)(9H-pyrido[3,4-b]indol-1-yl)methanone via Pd(OAc)2-catalyzed regioselective alkoxylation of aryl (β-carbolin-1-yl) methanones employing β-carboline directed ortho-C(sp(2))-H activation of an aryl ring under oxidative conditions is described.
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Affiliation(s)
- Shivalinga Kolle
- Medicinal and Process Chemistry Division, CSIR-Central Drug Research Institute, Sector 10, Jankipuram Extension, Sitapur Road, Lucknow-226031, UP, India.
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41
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Wu YD, Ma JR, Shu WM, Zheng KL, Wu AX. Base-promoted domino reaction for the synthesis of 2,3-disubstituted indoles from 2-aminobenzaldehyde/2-amino aryl ketones, tosylhydrazine, and aromatic aldehydes. Tetrahedron 2016. [DOI: 10.1016/j.tet.2016.06.046] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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42
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Yamashita M, Nishizono Y, Himekawa S, Iida A. One-pot synthesis of polyhydropyrido[1,2- a ]indoles and tetracyclic quinazolinones from 2-arylindoles using copper-mediated oxidative tandem reactions. Tetrahedron 2016. [DOI: 10.1016/j.tet.2016.05.054] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
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43
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Stępień M, Gońka E, Żyła M, Sprutta N. Heterocyclic Nanographenes and Other Polycyclic Heteroaromatic Compounds: Synthetic Routes, Properties, and Applications. Chem Rev 2016; 117:3479-3716. [PMID: 27258218 DOI: 10.1021/acs.chemrev.6b00076] [Citation(s) in RCA: 861] [Impact Index Per Article: 107.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Two-dimensionally extended, polycyclic heteroaromatic molecules (heterocyclic nanographenes) are a highly versatile class of organic materials, applicable as functional chromophores and organic semiconductors. In this Review, we discuss the rich chemistry of large heteroaromatics, focusing on their synthesis, electronic properties, and applications in materials science. This Review summarizes the historical development and current state of the art in this rapidly expanding field of research, which has become one of the key exploration areas of modern heterocyclic chemistry.
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Affiliation(s)
- Marcin Stępień
- Wydział Chemii, Uniwersytet Wrocławski , ul. F. Joliot-Curie 14, 50-383 Wrocław, Poland
| | - Elżbieta Gońka
- Wydział Chemii, Uniwersytet Wrocławski , ul. F. Joliot-Curie 14, 50-383 Wrocław, Poland
| | - Marika Żyła
- Wydział Chemii, Uniwersytet Wrocławski , ul. F. Joliot-Curie 14, 50-383 Wrocław, Poland
| | - Natasza Sprutta
- Wydział Chemii, Uniwersytet Wrocławski , ul. F. Joliot-Curie 14, 50-383 Wrocław, Poland
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44
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Dighe SU, Mahar R, Shukla SK, Kant R, Srivastava K, Batra S. Synthesis of S-(-)-5,6-Dihydrocanthin-4-ones via a Triple Cooperative Catalysis-Mediated Domino Reaction. J Org Chem 2016; 81:4751-61. [PMID: 27159615 DOI: 10.1021/acs.joc.6b00613] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
An enantioselective synthesis of S-(-)-5,6-dihydrocanthin-4-ones via a triple cooperative catalysis-mediated domino reaction having a broad substrate scope is reported. The reaction between substituted 1-formyl-9H-β-carbolines and terminal alkynes in the presence of catalytic amounts of Jorgensen-Hayashi catalyst, copper iodide, and Hunig base proceeded via a multicascade route, affording the title compounds in good yields and excellent ees with interesting mechanistic features. These compounds were assessed for in vitro antiplasmodial activity against P. falciparum strains. Additionally, 5,6-dihydrocanthin-4-ones are demonstrated to be a versatile precursor to different fused β-carboline derivatives via simple synthetic transformations.
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Affiliation(s)
| | | | - Sanjeev K Shukla
- Academy of Scientific and Innovative Research , New Delhi 110025, India
| | | | - Kumkum Srivastava
- Academy of Scientific and Innovative Research , New Delhi 110025, India
| | - Sanjay Batra
- Academy of Scientific and Innovative Research , New Delhi 110025, India
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45
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Dai J, Li N, Wang J, Schneider U. Fruitful Decades for Canthin-6-ones from 1952 to 2015: Biosynthesis, Chemistry, and Biological Activities. Molecules 2016; 21:493. [PMID: 27092482 PMCID: PMC6274392 DOI: 10.3390/molecules21040493] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2016] [Revised: 04/03/2016] [Accepted: 04/06/2016] [Indexed: 11/16/2022] Open
Abstract
In this review, more than 60 natural canthin-6-one alkaloids and their structures are considered. The biosynthesis, efficient and classic synthetic approaches, and biological activities of canthin-6-one alkaloids, from 1952 to 2015, are discussed. From an analysis of their structural properties and an investigation of the literature, possible future trends for canthin-6-one alkaloids are proposed. The information reported will be helpful in future research on canthin-6-one alkaloids.
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Affiliation(s)
- Jiangkun Dai
- College of Science, Northwest A & F University, Yangling 712100, Shaanxi, China.
| | - Na Li
- College of Science, Northwest A & F University, Yangling 712100, Shaanxi, China.
| | - Junru Wang
- College of Science, Northwest A & F University, Yangling 712100, Shaanxi, China.
| | - Uwe Schneider
- EaStCHEM School of Chemistry, The University of Edinburgh, The King's Buildings, David Brewster Road, Edinburgh EH9 3FJ, UK.
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46
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Zhao F, Dai JK, Liu D, Wang SJ, Wang JR. Synthesis and Evaluation of Ester Derivatives of 10-Hydroxycanthin-6-one as Potential Antimicrobial Agents. Molecules 2016; 21:390. [PMID: 27007362 PMCID: PMC6272828 DOI: 10.3390/molecules21030390] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2016] [Revised: 03/12/2016] [Accepted: 03/16/2016] [Indexed: 11/26/2022] Open
Abstract
As part of our continuing research on canthin-6-one antimicrobial agents, a new series of ester derivatives of 10-hydroxycanthin-6-one were synthesized using a simple and effective synthetic route. The structure of each compound was characterized by NMR, ESI-MS, FT-IR, UV, and elemental analysis. The antimicrobial activity of these compounds against three phytopathogenic fungi (Alternaria solani, Fusarium graminearum, and Fusarium solani) and four bacteria (Bacillus cereus, Bacillus subtilis, Ralstonia solanacearum, and Pseudomonas syringae) were evaluated using the mycelium linear growth rate method and micro-broth dilution method, respectively. The structure-activity relationship is discussed. Of the tested compounds, 4 and 7s displayed significant antifungal activity against F. graminearum, with inhibition rates of 100% at a concentration of 50 μg/mL. Compounds 5, 7s, and 7t showed the best inhibitory activity against all the tested bacteria, with minimum inhibitory concentrations (MICs) between 3.91 and 31.25 μg/mL. Thus, 7s emerged as a promising lead compound for the development of novel canthine-6-one antimicrobial agents.
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Affiliation(s)
- Fei Zhao
- College of Science, Northwest A & F University, Yangling 712100, China.
| | - Jiang-Kun Dai
- College of Science, Northwest A & F University, Yangling 712100, China.
| | - Dan Liu
- College of Science, Northwest A & F University, Yangling 712100, China.
| | - Shi-Jun Wang
- College of Science, Northwest A & F University, Yangling 712100, China.
| | - Jun-Ru Wang
- College of Science, Northwest A & F University, Yangling 712100, China.
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47
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Dawande SG, Lad BS, Prajapati S, Katukojvala S. Rhodium-catalyzed pyridannulation of indoles with diazoenals: a direct approach to pyrido[1,2-a]indoles. Org Biomol Chem 2016; 14:5569-73. [DOI: 10.1039/c6ob00360e] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
A new rhodium-catalyzed [4 + 2]-pyridannulation of 3-substituted indoles with diazoenals resulted in the biologically important pyrido[1,2-a]indoles.
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Affiliation(s)
- Sudam Ganpat Dawande
- Department of Chemistry
- Indian Institute of Science Education & Research
- Bhopal
- India
| | - Bapurao Sudam Lad
- Department of Chemistry
- Indian Institute of Science Education & Research
- Bhopal
- India
| | - Sunitkumar Prajapati
- Department of Chemistry
- Indian Institute of Science Education & Research
- Bhopal
- India
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48
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Dai JK, Dan WJ, Li N, Du HT, Zhang JW, Wang JR. Synthesis, in vitro antibacterial activities of a series of 3- N -substituted canthin-6-ones. Bioorg Med Chem Lett 2016; 26:580-583. [DOI: 10.1016/j.bmcl.2015.11.070] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2015] [Revised: 11/02/2015] [Accepted: 11/20/2015] [Indexed: 12/17/2022]
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49
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Kolle S, Batra S. β-Carboline-directed decarboxylative acylation of ortho-C(sp2)–H of the aryl ring of aryl(β-carbolin-1-yl)methanones with α-ketoacids under palladium catalysis. RSC Adv 2016. [DOI: 10.1039/c6ra11811a] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
A Pd-catalysed β-carboline assisted decarboxylative acylation of ortho-C(sp2)–H of aryl ring of aryl(β-carbolin-1-yl)methanones using α-oxocarboxylic acid as the acyl ion source to form (2-aroylaryl)(β-carbolin-2-yl)methanones is demonstrated.
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Affiliation(s)
- Shivalinga Kolle
- Medicinal and Process Chemistry Division
- CSIR-Central Drug Research Institute
- Lucknow-226031
- India
| | - Sanjay Batra
- Medicinal and Process Chemistry Division
- CSIR-Central Drug Research Institute
- Lucknow-226031
- India
- Academy for Scientific and Innovative Research
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50
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Gao Y, Xu Q, Shi M. Enantioselective Synthesis of Polycyclic Indole Derivatives Based on aza-Morita–Baylis–Hillman Reaction. ACS Catal 2015. [DOI: 10.1021/acscatal.5b01579] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Yuning Gao
- Laboratory for Advanced Materials & Institute of Fine Chemicals, School of Chemistry & Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, P. R. China
| | - Qin Xu
- Laboratory for Advanced Materials & Institute of Fine Chemicals, School of Chemistry & Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, P. R. China
| | - Min Shi
- Laboratory for Advanced Materials & Institute of Fine Chemicals, School of Chemistry & Molecular Engineering, East China University of Science and Technology, 130 Meilong Road, Shanghai 200237, P. R. China
- Shanghai
Institute of Organic Chemistry, Chinese Academy of Sciences, 345 Lingling Road, Shanghai 200032, P. R. China
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