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Wang K, Meng XH, Chai T, Wang CB, Sang CY, Wang WF, Shang XY, Yang JL. Chemical constituents from the fruits of Zanthoxylum bungeanum and their chemotaxonomic significance. BIOCHEM SYST ECOL 2021. [DOI: 10.1016/j.bse.2021.104356] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
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2
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Deng Y, Ding T, Deng L, Hao X, Mu S. Active constituents of Zanthoxylum nitidium from Yunnan Province against leukaemia cells in vitro. BMC Chem 2021; 15:44. [PMID: 34301301 PMCID: PMC8305521 DOI: 10.1186/s13065-021-00771-0] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2020] [Accepted: 12/28/2020] [Indexed: 11/19/2022] Open
Abstract
Zanthoxylum nitidium (Roxb.) DC (Rutaceae) is well known for inhibiting the proliferation of human gastric, liver, kidney and lung cancer cells, though research on its potential use in treating leukaemia is relatively rare. Twenty-six compounds were isolated from the chloroform and petroleum ether extracts of the roots and leaves of Z. nitidium (Zanthoxylum nitidium). They were ( +)-9′-O-transferuloyl-5, 5′-dimethoxylaricriresinol (1), 8-(3′-oxobut-1′-en-1′-yl)-5, 7-dimethoxy-coumarin (2), 5, 7, 8-trimethoxy-coumarin (3), 5-(3′, 3′-dimethyl-2′-butenyloxy)-7, 8-dimethoxy-coumarin (4), 2-(5-methoxy-2-methyl-1H-indol-3-yl) methyl acetate (5), 2′-(5, 6-dihydrochleletrythrine-6-yl) ethyl acetate (6), 6-acetonyldi-hydrochelerythrine (7), 6β-hydroxymethyldihydronitidine (8), bocconoline (9), zanthoxyline (10), O-methylzanthoxyline (11), rhoifoline B (12), N-nornitidine (13), nitidine (14), chelerythrine (15), 4-hydroxyl-7,8-dimethoxy-furoquinoline (16), dictamnine (17), γ-fagarine (18), skimmianine (19), robustine (20), R-( +)-platydesmine (21), 4-methoxyl-1-methyl-2-quinoline (22), 4-methoxy-2-quinolone (23), liriodenine (24), aurantiamide acetate (25), 10-O-demethyl-12-O-methylarnottianamide (26). Four among them, compounds 4 – 6 and 16, were first confirmed in this study by UV, IR, 1D, 2D NMR and HR-ESI–MS spectra. Compounds 1 – 2 and 11 were isolated from Z. nitidium for the first time. Of the assayed compounds, 1, 2, 9, 10, 14, 15 and 24, exhibited good inhibitory activities in the leukaemia cell line HEL, whereas compound 14 (IC50: 3.59 µM) and compound 24 (IC50: 15.95 µM) exhibited potent inhibitory activities. So, to further investigate the possible mechanisms, cell cycle and apoptosis assays were performed, which indicated that compound 14 causes obvious S-phase arrest in HEL cells and induced apoptosis, whereas compound 24 only induced apoptosis. The present results suggested both compounds 14 and 24 are promising potential anti-leukaemia drug candidates.
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Affiliation(s)
- Ying Deng
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang, 550014, China.,College of Pharmacy, Guizhou University, Guiyang, 550025, China.,Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academy of Sciences, Guiyang, 550014, China
| | - Tongtong Ding
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang, 550014, China
| | - Lulu Deng
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang, 550014, China.,Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academy of Sciences, Guiyang, 550014, China
| | - Xiaojiang Hao
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang, 550014, China.,Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academy of Sciences, Guiyang, 550014, China
| | - Shuzhen Mu
- State Key Laboratory of Functions and Applications of Medicinal Plants, Guizhou Medical University, Guiyang, 550014, China. .,Key Laboratory of Chemistry for Natural Products of Guizhou Province and Chinese Academy of Sciences, Guiyang, 550014, China.
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Park I, Byun HS, Hur GM, Na M. Tulipiferamide A, an Alkamide from Liriodendron tulipifera, Exhibits an Anti-Inflammatory Effect via Targeting IKKβ Phosphorylation. JOURNAL OF NATURAL PRODUCTS 2021; 84:1598-1606. [PMID: 33939429 DOI: 10.1021/acs.jnatprod.1c00146] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/12/2023]
Abstract
Three new alkamides, tulipiferamides A-C (1-3, respectively), and 30 known compounds (4-33) were obtained from the roots of Liriodendron tulipifera (Magnoliaceae). Dehydrotemisin (4), an elemane sesquiterpene lactone, was isolated for the first time from nature. The structures were deduced by the interpretation of NMR spectroscopic and MS spectral data. The geometries of the double bonds in tulipiferamides A-C (1-3, respectively) were determined on the basis of 1H-1H coupling constants and 13C chemical shifts. The presence of the alkamide type in this plant is reported for the first time. An analysis of the inflammatory response revealed that seven compounds (1, 4, 7, 9, 14, 23, and 27) suppressed the nitric oxide production induced by LPS in RAW264.7 macrophages. Furthermore, tulipiferamide A (1) inhibits NF-κB activation by selectively targeting IKKβ, an upstream kinase of NF-κB, resulting in the suppression of inflammatory mediators, including iNOS, COX-2, IL-1β, TNFα, and IL-6. Our results provide a rationale for the further development of tulipiferamide A as a selective IKKβ inhibitor to modulate inflammatory diseases.
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Affiliation(s)
- InWha Park
- College of Pharmacy, Chungnam National University, Daejeon 34134, Republic of Korea
| | - Hee Sun Byun
- Department of Pharmacology and Department of Medical Science, College of Medicine, Chungnam National University, Daejeon, 35015, Republic of Korea
| | - Gang Min Hur
- Department of Pharmacology and Department of Medical Science, College of Medicine, Chungnam National University, Daejeon, 35015, Republic of Korea
| | - MinKyun Na
- College of Pharmacy, Chungnam National University, Daejeon 34134, Republic of Korea
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Cao TQ, Vu NK, Woo MH, Min BS. New polyacetylene and other compounds from Bupleurum chinense and their chemotaxonomic significance. BIOCHEM SYST ECOL 2020. [DOI: 10.1016/j.bse.2020.104090] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
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5
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Bai Y, He X, Bai Y, Sun Y, Zhao Z, Chen X, Li B, Xie J, Li Y, Jia P, Meng X, Zhao Y, Ding Y, Xiao C, Wang S, Yu J, Liao S, Zhang Y, Zhu Z, Zhang Q, Zhao Y, Qin F, Zhang Y, Wei X, Zeng M, Liang J, Cuan Y, Shan G, Fan TP, Wu B, Zheng X. Polygala tenuifolia-Acori tatarinowii herbal pair as an inspiration for substituted cinnamic α-asaronol esters: Design, synthesis, anticonvulsant activity, and inhibition of lactate dehydrogenase study. Eur J Med Chem 2019; 183:111650. [PMID: 31539780 DOI: 10.1016/j.ejmech.2019.111650] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/11/2019] [Revised: 08/11/2019] [Accepted: 08/27/2019] [Indexed: 02/06/2023]
Abstract
Inspired by the traditional Chinese herbal pair of Polygala tenuifolia-Acori Tatarinowii for treating epilepsy, 33 novel substituted cinnamic α-asaronol esters and analogues were designed by Combination of Traditional Chinese Medicine Molecular Chemistry (CTCMMC) strategy, synthesized and tested systematically not only for anticonvulsant activity in three mouse models but also for LDH inhibitory activity. Thereinto, 68-70 and 75 displayed excellent and broad spectra of anticonvulsant activities with modest ability in preventing neuropathic pain, as well as low neurotoxicity. The protective indices of these four compounds compared favorably with stiripentol, lacosamide, carbamazepine and valproic acid. 68-70 exhibited good LDH1 and LDH5 inhibitory activities with noncompetitive inhibition type, and were more potent than stiripentol. Notably, 70, as a representative agent, was also shown as a moderately positive allosteric modulator at human α1β2γ2 GABAA receptors (EC50 46.3 ± 7.3 μM). Thus, 68-70 were promising candidates for developing into anti-epileptic drugs, especially for treatment of refractory epilepsies such as Dravet syndrome.
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Affiliation(s)
- Yajun Bai
- Northwest University, Xi'an, 710069, China
| | - Xirui He
- Northwest University, Xi'an, 710069, China; Department of Bioengineering, Zhuhai Campus of Zunyi Medical University, Zhuhai, 519041, China
| | - Yujun Bai
- Northwest University, Xi'an, 710069, China
| | - Ying Sun
- Northwest University, Xi'an, 710069, China
| | | | - Xufei Chen
- Northwest University, Xi'an, 710069, China
| | - Bin Li
- Northwest University, Xi'an, 710069, China
| | - Jing Xie
- Northwest University, Xi'an, 710069, China
| | - Yang Li
- Northwest University, Xi'an, 710069, China
| | - Pu Jia
- Northwest University, Xi'an, 710069, China
| | - Xue Meng
- Northwest University, Xi'an, 710069, China; Institute of Traditional Chinese Medicine, Shaanxi Academy of Traditional Chinese Medicine, Xi'an, 710003, China
| | - Ye Zhao
- Northwest University, Xi'an, 710069, China
| | - Yanrui Ding
- School of Biotechnology, Jiangnan University, Wuxi, 214122, China
| | | | | | - Jie Yu
- Northwest University, Xi'an, 710069, China
| | - Sha Liao
- Northwest University, Xi'an, 710069, China
| | | | - Zhiling Zhu
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, 100050, China
| | | | - Yuhui Zhao
- Northwest University, Xi'an, 710069, China
| | | | - Yi Zhang
- Northwest University, Xi'an, 710069, China
| | | | - Min Zeng
- Northwest University, Xi'an, 710069, China
| | - Jing Liang
- Northwest University, Xi'an, 710069, China
| | - Ye Cuan
- Northwest University, Xi'an, 710069, China
| | - Guangzhi Shan
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, 100050, China.
| | - Tai-Ping Fan
- Department of Pharmacology, University of Cambridge, Cambridge, CB2 1PD, UK.
| | - Biao Wu
- Northwest University, Xi'an, 710069, China
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Recent advances in the applications of Wittig reaction in the total synthesis of natural products containing lactone, pyrone, and lactam as a scaffold. MONATSHEFTE FUR CHEMIE 2019. [DOI: 10.1007/s00706-019-02465-9] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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Schultze C, Schmidt B. Ring-closing-metathesis-based synthesis of annellated coumarins from 8-allylcoumarins. Beilstein J Org Chem 2018; 14:2991-2998. [PMID: 30591822 PMCID: PMC6296409 DOI: 10.3762/bjoc.14.278] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2018] [Accepted: 11/22/2018] [Indexed: 11/23/2022] Open
Abstract
8-Allylcoumarins are conveniently accessible through a microwave-promoted tandem Claisen rearrangement/Wittig olefination/cyclization sequence. They serve as a versatile platform for the annellation of five- to seven-membered rings using ring-closing olefin metathesis (RCM). Furano-, pyrano-, oxepino- and azepinocoumarins were synthesized from the same set of precursors using Ru-catalyzed double bond isomerizations and RCM in a defined order. One class of products, pyrano[2,3-f]chromene-2,8-diones, were inaccessible through direct RCM of an acrylate, but became available from the analogous allyl ether via an assisted tandem catalytic RCM/allylic oxidation sequence.
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Affiliation(s)
- Christiane Schultze
- Universität Potsdam, Institut fuer Chemie, Karl-Liebknecht-Straße 24–25, D-14476 Potsdam-Golm, Germany
| | - Bernd Schmidt
- Universität Potsdam, Institut fuer Chemie, Karl-Liebknecht-Straße 24–25, D-14476 Potsdam-Golm, Germany
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Heravi MM, Zadsirjan V, Saedi P, Momeni T. Applications of Friedel-Crafts reactions in total synthesis of natural products. RSC Adv 2018; 8:40061-40163. [PMID: 35558228 PMCID: PMC9091380 DOI: 10.1039/c8ra07325b] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2018] [Accepted: 11/03/2018] [Indexed: 12/17/2022] Open
Abstract
Over the years, Friedel-Crafts (FC) reactions have been acknowledged as the most useful and powerful synthetic tools for the construction of a special kind of carbon-carbon bond involving an aromatic moiety. Its stoichiometric and, more recently, its catalytic procedures have extensively been studied. This reaction in recent years has frequently been used as a key step (steps) in the total synthesis of natural products and targeted complex bioactive molecules. In this review, we try to underscore the applications of intermolecular and intramolecular FC reactions in the total syntheses of natural products and complex molecules, exhibiting diverse biological properties.
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Affiliation(s)
- Majid M Heravi
- Department of Chemistry, School of Science, Alzahra University Vanak Tehran Iran +98 2188041344 +98 9121329147
| | - Vahideh Zadsirjan
- Department of Chemistry, School of Science, Alzahra University Vanak Tehran Iran +98 2188041344 +98 9121329147
| | - Pegah Saedi
- Department of Chemistry, School of Science, Alzahra University Vanak Tehran Iran +98 2188041344 +98 9121329147
| | - Tayebeh Momeni
- Department of Chemistry, School of Science, Alzahra University Vanak Tehran Iran +98 2188041344 +98 9121329147
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Costa RS, Souza Filho OP, Júnior OCD, Silva JJ, Hyaric ML, Santos MA, Velozo ES. In vitro antileishmanial and antitrypanosomal activity of compounds isolated from the roots of Zanthoxylum tingoassuiba. REVISTA BRASILEIRA DE FARMACOGNOSIA-BRAZILIAN JOURNAL OF PHARMACOGNOSY 2018. [DOI: 10.1016/j.bjp.2018.04.013] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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Li W, Zhang JS, Huang JL, Jiang MH, Xu YK, Ahmed A, Yin S, Tang GH. New prenylated coumarins from the stems of Toddalia asiatica. RSC Adv 2017. [DOI: 10.1039/c7ra04794k] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022] Open
Abstract
Prenylated coumarins from Toddalia asiatica were established using spectroscopic data, X-ray, and ECD and specific optical rotation calculations.
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Affiliation(s)
- Wei Li
- School of Pharmaceutical Sciences
- Sun Yat-sen University
- Guangzhou
- China
| | - Jun-Sheng Zhang
- School of Pharmaceutical Sciences
- Sun Yat-sen University
- Guangzhou
- China
| | - Jia-Luo Huang
- School of Pharmaceutical Sciences
- Sun Yat-sen University
- Guangzhou
- China
| | - Min-Hong Jiang
- School of Pharmaceutical Sciences
- Sun Yat-sen University
- Guangzhou
- China
| | - You-Kai Xu
- Key Laboratory of Tropical Plant Resource and Sustainable Use
- Xishuangbanna Tropical Botanical Garden
- Chinese Academy of Sciences
- Menglun
- China
| | - Abrar Ahmed
- School of Pharmaceutical Sciences
- Sun Yat-sen University
- Guangzhou
- China
| | - Sheng Yin
- School of Pharmaceutical Sciences
- Sun Yat-sen University
- Guangzhou
- China
| | - Gui-Hua Tang
- School of Pharmaceutical Sciences
- Sun Yat-sen University
- Guangzhou
- China
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Zuo GY, Wang CJ, Han J, Li YQ, Wang GC. Synergism of coumarins from the Chinese drug Zanthoxylum nitidum with antibacterial agents against methicillin-resistant Staphylococcus aureus (MRSA). PHYTOMEDICINE : INTERNATIONAL JOURNAL OF PHYTOTHERAPY AND PHYTOPHARMACOLOGY 2016; 23:1814-1820. [PMID: 27912884 DOI: 10.1016/j.phymed.2016.11.001] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/02/2016] [Revised: 10/28/2016] [Accepted: 11/03/2016] [Indexed: 06/06/2023]
Abstract
BACKGROUND Methicillin-resistant Staphylococcus aureus (MRSA) poses a serious therapeutic challenge in current clinic and new drug development. Natural coumarins have diverse bioactivities and the potential of resistance modifying effects. PURPOSE This study is to present in-depth evaluations of in vitro antimicrobial activities of four natural coumarins 5-geranyloxy-7-methoxycoumarin (Gm, 1), (5,7-dimethoxy-8-prenyloxycoumarin (artanin, Ar, 2)), isopimpinellin (Is, 3) and phellopterin (Ph, 4) from Zanthoxylum nitidum (Roxb.) DC. (Rutaceae) extracts, focusing on their potential restoration the activity of conventional antibacterial agents against clinical MRSA strains. METHODS Bioactivity-guided fractionation and spectral analyses were used to isolate the coumarins and identify the structures, respectively. The double broth microdilution method was used to assay the coumarins' alone activity. The classic checkerboard microdilution and dynamic time-killing methods were used to evaluate combinatory effects. RESULTS The four plant coumarins Gm (1), Ar (2), Is (3) and Ph (4) were isolated and identified from Z. nitidum extracts. Coumarins 1-4 displayed promising inhibition against both MSSA and MRSA with minimal inhibitory concentrations (MICs) of 8-64µg/ml, but very weak against Gram-negative pathogen and yeast with MICs of 256 to ≥1024µg/ml. The geranyloxy and prenyloxy substitutions showed to be more active than the methoxy substitution on the coumarin skeletons. 1-4 also showing different extent of synergism with a total of eight conventional antibacterial agents, i.e. chloramphenicol (CL), gentamicin (CN), fosfomycin (FF), levofloxacin (LE), minocycline (MI), piperacillin/tazobactam (P/T), teicoplanin (TE) and vancomycin (VA) against ten clinical MRSA strains. Four to ten of the tested MRSA strains showed bacteriostatic synergy in the eleven combinations. The anti-MRSA modifying effects were related to different arrangement in the combinations with fractional inhibitory concentration indices (FICIs) from 0.187 to 1.125 and the three combinations CN (Is), CL (Ph) and MI (Gm) were the best ones. The enhancement of activity was also shown by 2-64 of dose reduction indices (DRIs) of the combined MICs, with VA (Ph) combination resulted the biggest DRI. The resistance of MRSA to antibacterial agents could be reversed in the combinations of CL (Gm or Ph), LE (Ph) and MI (Is) following the Clinical and Laboratory Standards Institute (CLSI) criteria. Six combinations P/T (Gm), TE (Ar), CN (Is), VA (Ph) and CL (Gm or Ph) also showed bactericidal synergy with Δlog10CFU/ml >2 at 24h incubation. CONCLUSIONS The coumarins showed high potentiating effects of the antibacterial agents against multi-drug resistant SA. The resistance reversal effect of CL, LE and MI warrants further pharmacological investigation on combinatory therapy for the sake of fighting against MRSA infections.
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Affiliation(s)
- Guo-Ying Zuo
- Research Center for Natural Medicines, Kunming General Hospital of Chengdu Military Command, Kunming 650032, China.
| | - Chun-Juan Wang
- Research Center for Natural Medicines, Kunming General Hospital of Chengdu Military Command, Kunming 650032, China; School of Pharmacy, Kunming Medical University, Kunming 550004, China
| | - Jun Han
- School of Basic Medical Sciences, Yunnan Traditional Chinese Medical College, Kunming 650500, China.
| | - Yu-Qing Li
- School of Basic Medical Sciences, Yunnan Traditional Chinese Medical College, Kunming 650500, China
| | - Gen-Chun Wang
- Research Center for Natural Medicines, Kunming General Hospital of Chengdu Military Command, Kunming 650032, China
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Triana J, Eiroa JL, Morales M, Perez FJ, Brouard I, Quintana J, Ruiz-Estévez M, Estévez F, León F. Sesquiterpenoids Isolated from Two Species of the Asteriscus Alliance. JOURNAL OF NATURAL PRODUCTS 2016; 79:1292-1297. [PMID: 27145162 DOI: 10.1021/acs.jnatprod.5b01013] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/05/2023]
Abstract
Investigation of the aerial parts of two Spanish members of the Asteriscus alliance, Asteriscus graveolens subsp. stenophyllus and Asteriscus schultzii, afforded four new sesquiterpene lactones containing a humulene skeleton (1-4) and one new sesquiterpene lactone of the asteriscanolide type (5). Their chemical structures were determined on the basis of the HRMS and from 1D and 2D NMR spectroscopic studies. Both species showed different profiles of sesquiterpenoid constituents. A. schultzii did not show humulene or asteriscane sesquiterpenes, suggesting a resemblance to the genus Pallenis, another member of the Asteriscus alliance. A literature review on chemical isolates from the Asteriscus alliance supported the placement of A. schultzii in the genus Pallenis. The isolated components (1-5) were assessed for cytotoxicity against the HL-60 and MOLT-3 leukemia cell lines, with compound 1 showing activity in both biological assays (IC50 value range 4.1-5.4 μM).
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Affiliation(s)
- Jorge Triana
- Departamento de Química, Unidad Asociada al CSIC, Universidad de Las Palmas de Gran Canaria , Campus de Tafira, 35017 Las Palmas de Gran Canaria, Canary Islands, Spain
| | - José Luis Eiroa
- Departamento de Química, Unidad Asociada al CSIC, Universidad de Las Palmas de Gran Canaria , Campus de Tafira, 35017 Las Palmas de Gran Canaria, Canary Islands, Spain
| | - Manuel Morales
- Departamento de Química, Unidad Asociada al CSIC, Universidad de Las Palmas de Gran Canaria , Campus de Tafira, 35017 Las Palmas de Gran Canaria, Canary Islands, Spain
| | - Francisco J Perez
- Departamento de Química, Unidad Asociada al CSIC, Universidad de Las Palmas de Gran Canaria , Campus de Tafira, 35017 Las Palmas de Gran Canaria, Canary Islands, Spain
| | - Ignacio Brouard
- Instituto de Productos Naturales y Agrobiología-Consejo Superior de Investigaciones Científicas (CSIC) , Avenida Astrofísico Francisco Sánchez 3, 38206 La Laguna, Tenerife, Spain
| | - José Quintana
- Departamento de Bioquímica, Universidad de Las Palmas de Gran Canaria , Plaza Dr. Pasteur s/n, 35016 Las Palmas de Gran Canaria, Canary Islands, Spain
| | - Mercedes Ruiz-Estévez
- Departamento de Bioquímica, Universidad de Las Palmas de Gran Canaria , Plaza Dr. Pasteur s/n, 35016 Las Palmas de Gran Canaria, Canary Islands, Spain
| | - Francisco Estévez
- Departamento de Bioquímica, Universidad de Las Palmas de Gran Canaria , Plaza Dr. Pasteur s/n, 35016 Las Palmas de Gran Canaria, Canary Islands, Spain
| | - Francisco León
- Instituto de Productos Naturales y Agrobiología-Consejo Superior de Investigaciones Científicas (CSIC) , Avenida Astrofísico Francisco Sánchez 3, 38206 La Laguna, Tenerife, Spain
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Abstract
Concise total syntheses of biosynthetic retro-dihydrochalones evelynin B and taccabulin D isolated from roots and rhizomes of Tacca chantrieri and T. integrifolia, have been achieved from pyrogallol trimethylether in six steps and 1,3,5-trimethoxybenzene in three steps, respectively. A condensation between aldehyde and acetophenone was applied to form chalcone as a key step.
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Affiliation(s)
- Yu Huang
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211816, P.R. China
| | - Haifeng Gan
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211816, P.R. China
| | - Kai Guo
- College of Biotechnology and Pharmaceutical Engineering, Nanjing Tech University, Nanjing 211816, P.R. China
- State Key Laboratory of Materials-Oriented Chemical Engineering, Nanjing Tech University, Nanjing 210009, P.R. China
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Wang B, Chen H, Wu Y, Liu B. Synthesis of Two Coumarins Isolated from Aster praealtus. CHINESE J CHEM 2015. [DOI: 10.1002/cjoc.201500295] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Sum TH, Sum TJ, Stokes JE, Galloway WR, Spring DR. Divergent and concise total syntheses of dihydrochalcones and 5-deoxyflavones recently isolated from Tacca species and Mimosa diplotricha. Tetrahedron 2015. [DOI: 10.1016/j.tet.2015.02.017] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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Wu Z, Harutyunyan SR, Minnaard AJ. Total synthesis of (R,R,R)-γ-tocopherol through Cu-catalyzed asymmetric 1,2-addition. Chemistry 2014; 20:14250-5. [PMID: 25205372 DOI: 10.1002/chem.201404458] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2014] [Indexed: 11/09/2022]
Abstract
Based on the asymmetric copper-catalyzed 1,2-addition of Grignard reagents to ketones, (R,R,R)-γ-tocopherol has been synthesized in 36 % yield over 12 steps (longest linear sequence). The chiral center in the chroman ring was constructed with 73 % ee by the 1,2-addition of a phytol-derived Grignard reagent to an α-bromo enone prepared from 2,3-dimethylquinone.
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Affiliation(s)
- Zhongtao Wu
- Stratingh Institute for Chemistry, University of Groningen, Nijenborgh 7, 9747 AG, Groningen (The Netherlands)
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Lin TT, Huang YY, Tang GH, Cheng ZB, Liu X, Luo HB, Yin S. Prenylated coumarins: natural phosphodiesterase-4 inhibitors from Toddalia asiatica. JOURNAL OF NATURAL PRODUCTS 2014; 77:955-962. [PMID: 24597921 DOI: 10.1021/np401040d] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Bioassay-guided fractionation of the ethanolic extract of the roots of Toddalia asiatica led to the isolation of seven new prenylated coumarins (1-7) and 14 known analogues (8-21). The structures of 1-7 were elucidated by spectroscopic analysis, and their absolute configurations were determined by combined chemical methods and chiral separation analysis. Compounds 1-5, named toddalin A, 3‴-O-demethyltoddalin A, and toddalins B-D, represent an unusual group of phenylpropenoic acid-coupled prenylated coumarins. Compounds 1-21 and four modified analogues, 10a, 11a, 13a, and 17a, were screened by using tritium-labeled adenosine 3',5'-cyclic monophosphate ([3H]-cAMP) as substrate for their inhibitory activity against phosphodiesterase-4 (PDE4), which is a drug target for the treatment of asthma and chronic obstructive pulmonary disease. Compounds 3, 8, 10, 10a, 11, 11a, 12, 13, 17, and 21 exhibited inhibition with IC50 values less than 10 μM. Toddacoumalone (8), the most active compound (IC50=0.14 μM), was more active than the positive control, rolipram (IC50=0.59 μM). In addition, the structure-activity relationship and possible inhibitory mechanism of the active compounds are also discussed.
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Affiliation(s)
- Ting-Ting Lin
- School of Pharmaceutical Sciences, Sun Yat-sen University , Guangzhou, Guangdong 510006, People's Republic of China
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Hypolipidemic effects of scoparone and its coumarin analogues in hyperlipidemia rats induced by high fat diet. ACTA ACUST UNITED AC 2013. [DOI: 10.1007/s13765-013-3157-y] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023]
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20
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Simirgiotis MJ, Ramirez JE, Schmeda Hirschmann G, Kennelly EJ. Bioactive coumarins and HPLC-PDA-ESI-ToF-MS metabolic profiling of edible queule fruits (Gomortega keule), an endangered endemic Chilean species. Food Res Int 2013. [DOI: 10.1016/j.foodres.2013.07.022] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022]
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Cervi A, Aillard P, Hazeri N, Petit L, Chai CLL, Willis AC, Banwell MG. Total Syntheses of the Coumarin-Containing Natural Products Pimpinellin and Fraxetin Using Au(I)-Catalyzed Intramolecular Hydroarylation (IMHA) Chemistry. J Org Chem 2013; 78:9876-82. [DOI: 10.1021/jo401583q] [Citation(s) in RCA: 42] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Affiliation(s)
- Aymeric Cervi
- Research
School of Chemistry, Institute of Advanced Studies, The Australian National University, Canberra, Australian Capital Territory 0200, Australia
- Institute of Chemical and Engineering Sciences, 8 Biomedical Grove, #07-01 Neuros, Singapore 138665
| | - Paul Aillard
- Research
School of Chemistry, Institute of Advanced Studies, The Australian National University, Canberra, Australian Capital Territory 0200, Australia
| | - Nourallah Hazeri
- Research
School of Chemistry, Institute of Advanced Studies, The Australian National University, Canberra, Australian Capital Territory 0200, Australia
| | - Laurent Petit
- Research
School of Chemistry, Institute of Advanced Studies, The Australian National University, Canberra, Australian Capital Territory 0200, Australia
| | - Christina L. L. Chai
- Institute of Chemical and Engineering Sciences, 8 Biomedical Grove, #07-01 Neuros, Singapore 138665
- Department
of Pharmacy, National University of Singapore, 18 Science Drive 4, Singapore 117543
| | - Anthony C. Willis
- Research
School of Chemistry, Institute of Advanced Studies, The Australian National University, Canberra, Australian Capital Territory 0200, Australia
| | - Martin G. Banwell
- Research
School of Chemistry, Institute of Advanced Studies, The Australian National University, Canberra, Australian Capital Territory 0200, Australia
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Bourjot M, Delang L, Nguyen VH, Neyts J, Guéritte F, Leyssen P, Litaudon M. Prostratin and 12-O-tetradecanoylphorbol 13-acetate are potent and selective inhibitors of Chikungunya virus replication. JOURNAL OF NATURAL PRODUCTS 2012; 75:2183-7. [PMID: 23215460 DOI: 10.1021/np300637t] [Citation(s) in RCA: 57] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
A chemical study of the Vietnamese plant species Trigonostemon howii led to the isolation of a new tigliane-type diterpenoid, trigowiin A (1), along with several known coumarins and phenylpropanoids. The planar structure and the relative configuration of compound 1 were elucidated based on spectroscopic analysis, including 1D- and 2D-NMR experiments, mass spectrometry, and comparison with literature data. Trigowiin A (1) exhibited moderate antiviral activity in a virus-cell-based assay for Chikungunya virus (CHIKV). Since the structure of compound 1 is closely related to those of well-known tigliane diterpenoids such as prostratin (2), phorbol (3), 12-O-tetradecanoylphorbol 13-acetate (TPA) (4), and 4α-TPA (5), the antiviral activity of the latter compounds was also evaluated against CHIKV, as well as in virus-cell-based assays of two additional members of the genus Alphavirus (Sindbis virus, SINV, and Semliki forest virus, SFV). Whereas prostratin inhibited CHIKV replication with a moderate EC(50) of 2.6 μM and a selectivity index (SI) approximating 30, compound 4 proved to be an extremely potent inhibitor, with an EC(50) of ∼3 nM and a SI near 2000. Interestingly, no or very little activity was observed on the replication of SINV and SFV.
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Affiliation(s)
- Mélanie Bourjot
- Centre de Recherche de Gif, Institut de Chimie des Substances Naturelles (ICSN), CNRS, Labex LERMIT, 1, Avenue de la Terrasse, 91198 Gif sur Yvette Cedex, France
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23
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Yaunner RS, Barros JC, da Silva JFM. Microwave-promoted piperidination of halopyridines: a comparison between Ullmann, Buchwald-Hartwig and uncatalysed SN
Ar reactions. Appl Organomet Chem 2012. [DOI: 10.1002/aoc.2853] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Affiliation(s)
- Ricardo S. Yaunner
- Laboratório de Química Medicinal do Polo de Xistoquímica (PXQMed); Instituto de Química; Universidade Federal do Rio de Janeiro, Cidade Universitária; Rio de Janeiro RJ 21941-614 Brazil
| | - José C. Barros
- Laboratório de Química Medicinal do Polo de Xistoquímica (PXQMed); Instituto de Química; Universidade Federal do Rio de Janeiro, Cidade Universitária; Rio de Janeiro RJ 21941-614 Brazil
| | - Joaquim F. M. da Silva
- Laboratório de Química Medicinal do Polo de Xistoquímica (PXQMed); Instituto de Química; Universidade Federal do Rio de Janeiro, Cidade Universitária; Rio de Janeiro RJ 21941-614 Brazil
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Béreau V, Duhayon C, Sournia-Saquet A, Sutter JP. Tuning of the Emission Efficiency and HOMO–LUMO Band Gap for Ester-Functionalized {Al(salophen)(H2O)2}+ Blue Luminophors. Inorg Chem 2012; 51:1309-18. [DOI: 10.1021/ic201208c] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Virginie Béreau
- CNRS, LCC (Laboratoire de Chimie de Coordination),
205 Route de Narbonne,
F-31077 Toulouse, France
- Université de Toulouse, UPS, INPT, LCC, F-31077 Toulouse, France
- IUT Paul Sabatier, Av. G. Pompidou, BP 20258, F-81104 Castres, France
| | - Carine Duhayon
- CNRS, LCC (Laboratoire de Chimie de Coordination),
205 Route de Narbonne,
F-31077 Toulouse, France
- Université de Toulouse, UPS, INPT, LCC, F-31077 Toulouse, France
| | - Alix Sournia-Saquet
- CNRS, LCC (Laboratoire de Chimie de Coordination),
205 Route de Narbonne,
F-31077 Toulouse, France
- Université de Toulouse, UPS, INPT, LCC, F-31077 Toulouse, France
| | - Jean-Pascal Sutter
- CNRS, LCC (Laboratoire de Chimie de Coordination),
205 Route de Narbonne,
F-31077 Toulouse, France
- Université de Toulouse, UPS, INPT, LCC, F-31077 Toulouse, France
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Bhardwaj A, Kumar Tewary D, Kumar R, Kumar V, Kumar Sinha A, Shanker A. Larvicidal and Structure-Activity Studies of Natural Phenylpropanoids and Their Semisynthetic Derivatives against the Tobacco ArmywormSpodoptera litura(Fab.) (Lepidoptera: Noctuidae). Chem Biodivers 2010; 7:168-77. [DOI: 10.1002/cbdv.200800345] [Citation(s) in RCA: 37] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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26
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Toward establishing structure–activity relationships for oxygenated coumarins as differentiation inducers of promonocytic leukemic cells. Bioorg Med Chem 2009; 17:6547-59. [DOI: 10.1016/j.bmc.2009.08.002] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2009] [Revised: 07/31/2009] [Accepted: 08/04/2009] [Indexed: 01/13/2023]
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