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Yue G, Liu B. Recent Developments in the Syntheses of C-20-Oxygenated ent-Kaurane Diterpenoids. Chempluschem 2024:e202300676. [PMID: 38414152 DOI: 10.1002/cplu.202300676] [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: 11/21/2023] [Revised: 02/05/2024] [Accepted: 02/27/2024] [Indexed: 02/29/2024]
Abstract
Ent-kaurane diterpenes are a large group of natural products, with more than 1,000 compounds since their discovery. Due to their excellent biological activities and complex polycyclic structures, these compounds have attracted organic synthesis chemists around the world to be devoted to achieve their total synthesis. At present, the isolated C-20-oxygenated ent-kaurane diterpenes are the most abundant of these natural products, reaching more than 350 in number. However, only total syntheses of 3,20-epoxy, 7,20-epoxy and 19,20-lactone ent-kaurane diterpenes have been reported. In this review, we elaborate the synthesis of these three types of C-20 oxygenated ent-kaurane natural products, discuss these synthetic strategies in detail, and provide good guidance and reference for the synthesis of other C-20 oxygenated compounds.
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Affiliation(s)
- Guizhou Yue
- College of Science, Sichuan Agricultural University, 46 Xinkang Rd., Ya'an, Sichuan, 625014, China
| | - Bo Liu
- College of Chemistry, Sichuan University, 29 Wangjiang Rd., Chengdu, Sichuan, 610064, China
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2
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Mekala S, Sukumar G, Chawla S, Geesala R, Prashanth J, Reddy BJM, Mainkar P, Das A. Therapeutic Potential of Benzimidazoisoquinoline Derivatives in Alleviating Murine Hepatic Fibrosis. Chem Biodivers 2024; 21:e202301429. [PMID: 38221801 DOI: 10.1002/cbdv.202301429] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2023] [Revised: 01/09/2024] [Accepted: 01/09/2024] [Indexed: 01/16/2024]
Abstract
Short Title: Benzimidazoisoquinoline derivatives as potent antifibrotics Hepatic fibrosis is a pathological condition of liver disease with an increasing number of cases worldwide. Therapeutic strategies are warranted to target the activated hepatic stellate cells (HSCs), the collagen-producing cells, an effective strategy for controlling the disease progression. Benzimidazoisoquinoline derivatives were synthesized as hybrid molecules by the combination of benzimidazoles and isoquinolines to evaluate their anti-fibrotic potential using an in-vitro and in-vivo model of hepatic fibrosis. A small library of benzimidazoisoquinoline derivatives (1-17 and 18-21) was synthesized from 2-aryl benzimidazole and acetylene functionalities through C-H and N-H activation. Compounds (10 and its recently synthesized derivatives 18-21) depicted a significant decrease in PDGF-BB and/or TGFβ-induced proliferation (1.7-1.9 -fold), migration (3.5-5.0 -fold), and fibrosis-related gene expressions in HSCs. These compounds could revert the hepatic damage caused by chronic exposure to hepatotoxicants, ethanol, and/or carbon tetrachloride as evident from the histological, biochemical, and molecular analysis. Anti-fibrotic effect of the compounds was supported by the decrease in the malondialdehyde level, collagen deposition, and gene expression levels of fibrosis-related markers such as α-SMA, COL1α1, PDGFRβ, and TGFRIIβ in the preclinical models of hepatic fibrosis. In conclusion, the synthesized benzimidazoisoquinoline derivatives (compounds 18, 19, 20, and 21) possess anti-fibrotic therapeutic potential against liver fibrosis.
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Affiliation(s)
- Sowmya Mekala
- Department of Applied Biology, CSIR-Indian Institute of Chemical Technology, Uppal Road, Hyderabad, TS-500 007, INDIA
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, INDIA
| | - Genji Sukumar
- Department of Organic Synthesis and Process Chemistry, CSIR-Indian Institute of Chemical Technology, Uppal Road, Hyderabad, TS-500007, INDIA
- Department of Chemistry, Adikavi Nannaya University, Rajamahendravaram, AP-533 296, INDIA
| | - Shilpa Chawla
- Department of Applied Biology, CSIR-Indian Institute of Chemical Technology, Uppal Road, Hyderabad, TS-500 007, INDIA
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, INDIA
| | - Ramasatyaveni Geesala
- Department of Applied Biology, CSIR-Indian Institute of Chemical Technology, Uppal Road, Hyderabad, TS-500 007, INDIA
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, INDIA
| | - Jupally Prashanth
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, INDIA
- Centre for X-ray Crystallography, Department of Analytical & Structural Chemistry, CSIR-Indian Institute of Chemical Technology, Uppal Road, Hyderabad, TS-500 007, INDIA
| | - B Jagan Mohan Reddy
- Department of Chemistry, Adikavi Nannaya University, Rajamahendravaram, AP-533 296, INDIA
| | - Prathama Mainkar
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, INDIA
- Department of Organic Synthesis and Process Chemistry, CSIR-Indian Institute of Chemical Technology, Uppal Road, Hyderabad, TS-500007, INDIA
| | - Amitava Das
- Department of Applied Biology, CSIR-Indian Institute of Chemical Technology, Uppal Road, Hyderabad, TS-500 007, INDIA
- Academy of Scientific and Innovative Research (AcSIR), Ghaziabad, 201002, INDIA
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3
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Li N, Li X, Deng M, Zhu F, Wang Z, Sheng R, Wu W, Guo R. Isosteviol derivatives as protein tyrosine Phosphatase-1B inhibitors: Synthesis, biological evaluation and molecular docking. Bioorg Med Chem 2023; 83:117240. [PMID: 36963270 DOI: 10.1016/j.bmc.2023.117240] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 03/02/2023] [Accepted: 03/10/2023] [Indexed: 03/19/2023]
Abstract
Protein tyrosine phosphatase (PTP1B) antagonizes insulin signaling and acts as a potential therapeutic target for insulin resistance associated with obesity and type II diabetes. In this work, a series of isosteviol derivatives 1-28 was synthesized and the inhibitory activity on PTP1B was evaluated by double antibody sandwich ELISA (DAS-ELISA) in vitro. Most isosteviol derivatives showed moderate PTP1B inhibitory activities. Among them, derivatives 10, 13, 24, 27 showed remarkable bioactivities with IC50 values ranging from 0.24 to 0.40 µM. Particularly, derivative 24 exhibited the best inhibitory activity against PTP1B (IC50 = 0.24 µM) in vitro; moreover, it showed 7-fold selectivity to PTP1B over T-cell protein tyrosine phosphatase (TCPTP) and 14-fold selectivity to PTP1B over cell division cycle 25 homolog B (CDC25B). Molecular docking studies demonstrated the hydrogen bond interaction between 24 and LYS-116 residue in PTP1B might be essential for the inhibitory activity. The results suggested that derivative 24 has great potential to be employed as drug candidate for the treatment of obesity and type II diabetes.
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Affiliation(s)
- Na Li
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Xinyu Li
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Meidi Deng
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Feifei Zhu
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Zian Wang
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Ruilong Sheng
- CQM-Centro de Química da Madeira, Campus da Penteada, Universidade da Madeira, 9000-390 Funchal, Portugal
| | - Wenhui Wu
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China
| | - Ruihua Guo
- College of Food Science and Technology, Shanghai Ocean University, Shanghai 201306, China; Laboratory of Quality and Safety Risk Assessment for Aquatic Products on Storage and Preservation (Shanghai), Ministry of Agriculture, Shanghai 201306, China; Shanghai Engineering Research Center of Aquatic-Product Processing & Preservation, Shanghai 201306, China.
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Wardana AP, Aminah NS, Rosyda M, Abdjan MI, Kristanti AN, Tun KNW, Choudhary MI, Takaya Y. Potential of diterpene compounds as antivirals, a review. Heliyon 2021; 7:e07777. [PMID: 34405122 PMCID: PMC8359577 DOI: 10.1016/j.heliyon.2021.e07777] [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: 03/17/2021] [Revised: 04/01/2021] [Accepted: 08/10/2021] [Indexed: 12/17/2022] Open
Abstract
Viruses cause widely transmitted diseases resulting in pandemic conditions. Currently, the world is being hit by the Covid-19 pandemic caused by the SAR-CoV-2 infection. Countries in the world are competing to develop antivirals to overcome this problem. Diterpene compounds derived from natural ingredients (plants, corals, algae, fungi, sponges) and synthesized products have potential as antivirals. This article summarizes the different types of diterpenes such as daphnane, tiglilane, kaurane, abietane, pimarane, labdane, dollabelane, jatrophane, dolastane, prenylated guaiane, tonantzitlolone, casbane, have antivirals activity such as targeting HIV, Coxsackie virus, herpes virus, hepatitis virus, influenza virus, Chikungunya virus, Zika virus, dengue virus, and SARS-CoV. Some compounds such as andrographolide and its derivatives show promising activity in inhibiting the influenza virus. Additionally, compounds such as pineolidic acid, forskolin, sugiol, and many other diterpene compounds showed anti-SAR-CoV activity. The diterpene compound class's high antivirals potential does not rule out the possibility that these compounds can also act as anti-SAR-CoV-2 drugs in the future.
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Affiliation(s)
- Andika Pramudya Wardana
- Ph.D. Student of Mathematics and Natural Sciences, Faculty of Science and Technology, Universitas Airlangga, Komplek Kampus C UNAIR, Jl. Mulyorejo, 60115, Surabaya, Indonesia.,Department of Chemistry, Faculty of Science and Technology, Universitas Airlangga, Komplek Kampus C UNAIR, Jl. Mulyorejo, 60115, Surabaya, Indonesia
| | - Nanik Siti Aminah
- Department of Chemistry, Faculty of Science and Technology, Universitas Airlangga, Komplek Kampus C UNAIR, Jl. Mulyorejo, 60115, Surabaya, Indonesia.,Biotechnology of Tropical Medicinal Plants Research Group, Universitas Airlangga, Indonesia
| | - Mila Rosyda
- Department of Chemistry, Faculty of Science and Technology, Universitas Airlangga, Komplek Kampus C UNAIR, Jl. Mulyorejo, 60115, Surabaya, Indonesia
| | - Muhammad Ikhlas Abdjan
- Department of Chemistry, Faculty of Science and Technology, Universitas Airlangga, Komplek Kampus C UNAIR, Jl. Mulyorejo, 60115, Surabaya, Indonesia
| | - Alfinda Novi Kristanti
- Department of Chemistry, Faculty of Science and Technology, Universitas Airlangga, Komplek Kampus C UNAIR, Jl. Mulyorejo, 60115, Surabaya, Indonesia.,Biotechnology of Tropical Medicinal Plants Research Group, Universitas Airlangga, Indonesia
| | | | - Muhammad Iqbal Choudhary
- H. E. J. Research Institute of Chemistry, International Center for Chemical and Biological Sciences, University of Karachi, Karachi, 75270, Pakistan.,Department of Chemistry, Faculty of Science and Technology, Universitas Airlangga, Komplek Kampus C UNAIR, Jl. Mulyorejo, Surabaya, Indonesia
| | - Yoshiaki Takaya
- Faculty of Pharmacy, Meijo University, 150 Yagotoyama, Tempaku, Nagoya, 468-8503, Japan.,Department of Chemistry, Faculty of Science and Technology, Universitas Airlangga, Komplek Kampus C UNAIR, Jl. Mulyorejo, Surabaya, Indonesia
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Zhou XQ, Li SQ, Liao CC, Dai WF, Rao KR, Ma XR, Li RT, Chen XQ. Structurally diversified ent-kaurane and abietane diterpenoids from the stems of Tripterygium wilfordii and their anti-inflammatory activity. Bioorg Chem 2021; 115:105178. [PMID: 34303897 DOI: 10.1016/j.bioorg.2021.105178] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/23/2021] [Revised: 06/30/2021] [Accepted: 07/12/2021] [Indexed: 12/20/2022]
Abstract
Four undescribed ent-kaurane diterpenoids, wilkaunoids A - D (1-4), and three undescribed abietane diterpenoids, wilabinoids A - C (13-15), along with thirteen known ones (5-12 and 16-20), were isolated from Tripterygium wilfordii. Their structures were elucidated by extensive spectroscopic methods, electroniccirculardichroism calculation, and X-ray diffraction analysis. Compounds 1 and 2 were a pair of C-19 epimers of ent-kaurane diterpenoids, featuring a rare 19,20-epoxy-19,20-dimethoxy-kaurane fragment. Compound 3 possessed a rare naturally occurring 1,3-dioxacyclohexane moiety. Compounds 13 and 15 represented the first example of abietane diterpenoids with an isovalerate substitution from the genus of Tripterygium. The possible biosynthetic pathways of 1-3 were postulated. The effect of 1-20 on nitric oxide production was examined in lipopolysaccharide-stimulated RAW 264.7 cells. Abietane diterpenoid quinones 7-13 (IC50: 1.9-10.2 μM) exhibited the significant activity to inhibit nitric oxide production versus positive control (NG-monomethyl-l-arginine acetate salt, IC50 = 24.9 μM). The structure activity relationship of 7-13 in inhibiting nitric oxide production was then discussed. The most potent 7 and 8 were found to significantly suppress the expression of cyclooxygenase-2 and inducible nitric oxide synthase proteins, showing a good anti-inflammatory potential. The findings provided some valuable insights for the discovery and structural modification of abietane diterpenoids towards anti-inflammatory lead compounds.
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Affiliation(s)
- Xiao-Qiong Zhou
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, Yunnan, P.R. China
| | - Si-Qi Li
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, Yunnan, P.R. China
| | - Cai-Ceng Liao
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, Yunnan, P.R. China
| | - Wei-Feng Dai
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, Yunnan, P.R. China
| | - Kai-Rui Rao
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, Yunnan, P.R. China
| | - Xiu-Rong Ma
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, Yunnan, P.R. China
| | - Rong-Tao Li
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, Yunnan, P.R. China.
| | - Xuan-Qin Chen
- Faculty of Life Science and Technology, Kunming University of Science and Technology, Kunming 650500, Yunnan, P.R. China.
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Vrubliauskas D, Vanderwal CD. Cobalt-Catalyzed Hydrogen-Atom Transfer Induces Bicyclizations that Tolerate Electron-Rich and Electron-Deficient Intermediate Alkenes. Angew Chem Int Ed Engl 2020; 59:6115-6121. [PMID: 31991035 PMCID: PMC7124983 DOI: 10.1002/anie.202000252] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/06/2020] [Indexed: 12/12/2022]
Abstract
A novel CoII -catalyzed polyene cyclization was developed that is uniquely effective when performed in hexafluoroisopropanol as the solvent. The process is presumably initiated by metal-catalyzed hydrogen-atom transfer (MHAT) to 1,1-disubstituted or monosubstituted alkenes, and the reaction is remarkable for its tolerance of internal alkenes bearing either electron-rich methyl or electron-deficient nitrile substituents. Electron-rich aromatic terminators are required in both cases. Terpenoid scaffolds with different substitution patterns are obtained with excellent diastereoselectivities, and the bioactive C20-oxidized abietane diterpenoid carnosaldehyde was made to showcase the utility of the nitrile-bearing products. Also provided are the results of several mechanistic experiments that suggest the process features an MHAT-induced radical bicyclization with late-stage oxidation to regenerate the aromatic terminator.
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Affiliation(s)
- Darius Vrubliauskas
- Department of Chemistry, University of California, Irvine, CA, 92697-2025, USA
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7
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Vrubliauskas D, Vanderwal CD. Cobalt‐Catalyzed Hydrogen‐Atom Transfer Induces Bicyclizations that Tolerate Electron‐Rich and Electron‐Deficient Intermediate Alkenes. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.202000252] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
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8
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Salehi B, Kumar NVA, Şener B, Sharifi-Rad M, Kılıç M, Mahady GB, Vlaisavljevic S, Iriti M, Kobarfard F, Setzer WN, Ayatollahi SA, Ata A, Sharifi-Rad J. Medicinal Plants Used in the Treatment of Human Immunodeficiency Virus. Int J Mol Sci 2018; 19:E1459. [PMID: 29757986 PMCID: PMC5983620 DOI: 10.3390/ijms19051459] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2018] [Revised: 04/29/2018] [Accepted: 05/07/2018] [Indexed: 12/20/2022] Open
Abstract
Since the beginning of the epidemic, human immunodeficiency virus (HIV) has infected around 70 million people worldwide, most of whom reside is sub-Saharan Africa. There have been very promising developments in the treatment of HIV with anti-retroviral drug cocktails. However, drug resistance to anti-HIV drugs is emerging, and many people infected with HIV have adverse reactions or do not have ready access to currently available HIV chemotherapies. Thus, there is a need to discover new anti-HIV agents to supplement our current arsenal of anti-HIV drugs and to provide therapeutic options for populations with limited resources or access to currently efficacious chemotherapies. Plant-derived natural products continue to serve as a reservoir for the discovery of new medicines, including anti-HIV agents. This review presents a survey of plants that have shown anti-HIV activity, both in vitro and in vivo.
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Affiliation(s)
- Bahare Salehi
- Medical Ethics and Law Research Center, Shahid Beheshti University of Medical Sciences, 88777539 Tehran, Iran.
- Student Research Committee, Shahid Beheshti University of Medical Sciences, 22439789 Tehran, Iran.
| | - Nanjangud V Anil Kumar
- Department of Chemistry, Manipal Institute of Technology, Manipal University, Manipal 576104, India.
| | - Bilge Şener
- Department of Pharmacognosy, Gazi University, Faculty of Pharmacy, 06330 Ankara, Turkey.
| | - Mehdi Sharifi-Rad
- Department of Medical Parasitology, Zabol University of Medical Sciences, 61663-335 Zabol, Iran.
| | - Mehtap Kılıç
- Department of Pharmacognosy, Gazi University, Faculty of Pharmacy, 06330 Ankara, Turkey.
| | - Gail B Mahady
- PAHO/WHO Collaborating Centre for Traditional Medicine, College of Pharmacy, University of Illinois, 833 S. Wood St., Chicago, IL 60612, USA.
| | - Sanja Vlaisavljevic
- Department of Chemistry, Biochemistry and Environmental Protection, Faculty of Sciences, University of Novi Sad, Trg Dositeja Obradovica 3, 21000 Novi Sad, Serbia.
| | - Marcello Iriti
- Department of Agricultural and Environmental Sciences, Milan State University, 20133 Milan, Italy.
| | - Farzad Kobarfard
- Phytochemistry Research Center, Shahid Beheshti University of Medical Sciences, 11369 Tehran, Iran.
- Department of Medicinal Chemistry, School of Pharmacy, Shahid Beheshti University of Medical Sciences, 11369 Tehran, Iran.
| | - William N Setzer
- Department of Chemistry, University of Alabama in Huntsville, Huntsville, AL 35899, USA.
| | - Seyed Abdulmajid Ayatollahi
- Phytochemistry Research Center, Shahid Beheshti University of Medical Sciences, 11369 Tehran, Iran.
- Department of Pharmacognosy, School of Pharmacy, Shahid Beheshti University of Medical Sciences, 11369 Tehran, Iran.
- Department of Chemistry, Richardson College for the Environmental Science Complex, The University of Winnipeg, Winnipeg, MB R3B 2G3, Canada.
| | - Athar Ata
- Department of Chemistry, Richardson College for the Environmental Science Complex, The University of Winnipeg, Winnipeg, MB R3B 2G3, Canada.
| | - Javad Sharifi-Rad
- Phytochemistry Research Center, Shahid Beheshti University of Medical Sciences, 11369 Tehran, Iran.
- Department of Chemistry, Richardson College for the Environmental Science Complex, The University of Winnipeg, Winnipeg, MB R3B 2G3, Canada.
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Kobayashi S, Shibukawa K, Hamada Y, Kuruma T, Kawabata A, Masuyama A. Syntheses of (-)-Tripterifordin and (-)-Neotripterifordin from Stevioside. J Org Chem 2018; 83:1606-1613. [PMID: 29328659 DOI: 10.1021/acs.joc.7b02916] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
We report short syntheses of (-)-tripterifordin and (-)-neotripterifordin, potent inhibitors of HIV replication, from stevioside, a natural sweetener used worldwide. The key transformations are reduction at C13 through the formation of a tertiary chloride and subsequent three-step lactonization including a selective iodination at C20 by the photoreaction of the C19-alcohol. The title compounds were reliably obtained from stevioside in 9 and 11 steps (with 5-7 isolation steps), respectively. Additionally, the related lactone-containing ent-kaurenes, doianoterpenes A and B, and two more natural products were synthesized.
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Affiliation(s)
- Shoji Kobayashi
- Department of Applied Chemistry, Faculty of Engineering, Osaka Institute of Technology , 5-16-1 Ohmiya, Asahi-ku, Osaka 535-8585, Japan
| | - Keisuke Shibukawa
- Department of Applied Chemistry, Faculty of Engineering, Osaka Institute of Technology , 5-16-1 Ohmiya, Asahi-ku, Osaka 535-8585, Japan
| | - Yoshiki Hamada
- Department of Applied Chemistry, Faculty of Engineering, Osaka Institute of Technology , 5-16-1 Ohmiya, Asahi-ku, Osaka 535-8585, Japan
| | - Takuma Kuruma
- Department of Applied Chemistry, Faculty of Engineering, Osaka Institute of Technology , 5-16-1 Ohmiya, Asahi-ku, Osaka 535-8585, Japan
| | - Asako Kawabata
- Department of Applied Chemistry, Faculty of Engineering, Osaka Institute of Technology , 5-16-1 Ohmiya, Asahi-ku, Osaka 535-8585, Japan
| | - Araki Masuyama
- Department of Applied Chemistry, Faculty of Engineering, Osaka Institute of Technology , 5-16-1 Ohmiya, Asahi-ku, Osaka 535-8585, Japan
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Gao C, Wang D, Zhang Y, Huang XX, Song SJ. Kaurane and abietane diterpenoids from the roots of Tripterygium wilfordii and their cytotoxic evaluation. Bioorg Med Chem Lett 2016; 26:2942-2946. [DOI: 10.1016/j.bmcl.2016.04.026] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/04/2016] [Revised: 04/07/2016] [Accepted: 04/12/2016] [Indexed: 01/31/2023]
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Yu W, Hjerrild P, Overgaard J, Poulsen TB. A Concise Route to the Strongylophorines. Angew Chem Int Ed Engl 2016; 55:8294-8. [DOI: 10.1002/anie.201602476] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2016] [Indexed: 11/08/2022]
Affiliation(s)
- Wanwan Yu
- Department of Chemistry; Aarhus University; Langelandsgade 140 8000 Aarhus C Denmark
| | - Per Hjerrild
- Department of Chemistry; Aarhus University; Langelandsgade 140 8000 Aarhus C Denmark
| | - Jacob Overgaard
- Department of Chemistry; Aarhus University; Langelandsgade 140 8000 Aarhus C Denmark
| | - Thomas B. Poulsen
- Department of Chemistry; Aarhus University; Langelandsgade 140 8000 Aarhus C Denmark
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Yu W, Hjerrild P, Overgaard J, Poulsen TB. A Concise Route to the Strongylophorines. Angew Chem Int Ed Engl 2016. [DOI: 10.1002/ange.201602476] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Affiliation(s)
- Wanwan Yu
- Department of Chemistry; Aarhus University; Langelandsgade 140 8000 Aarhus C Denmark
| | - Per Hjerrild
- Department of Chemistry; Aarhus University; Langelandsgade 140 8000 Aarhus C Denmark
| | - Jacob Overgaard
- Department of Chemistry; Aarhus University; Langelandsgade 140 8000 Aarhus C Denmark
| | - Thomas B. Poulsen
- Department of Chemistry; Aarhus University; Langelandsgade 140 8000 Aarhus C Denmark
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Riehl PS, DePorre YC, Armaly AM, Groso EJ, Schindler CS. New avenues for the synthesis of ent-kaurene diterpenoids. Tetrahedron 2015. [DOI: 10.1016/j.tet.2015.04.116] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
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15
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Chávez K, Compagnone RS, Álvarez A, Figarella K, Galindo-Castro I, Marsiccobetre S, Triviño J, Arocha I, Taddei A, Orsini G, Tillett S, Suárez AI. Synthesis and biological evaluation of caracasine acid derivatives. Bioorg Med Chem 2015; 23:3687-95. [DOI: 10.1016/j.bmc.2015.04.015] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2015] [Revised: 03/23/2015] [Accepted: 04/03/2015] [Indexed: 10/23/2022]
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16
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Zhu L, Huang SH, Yu J, Hong R. Constructive innovation of approaching bicyclo[3.2.1]octane in ent-kauranoids. Tetrahedron Lett 2015. [DOI: 10.1016/j.tetlet.2014.11.035] [Citation(s) in RCA: 57] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/01/2022]
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18
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Synthesis and in vitro cytotoxic activity evaluation of novel heterocycle bridged carbothioamide type isosteviol derivatives as antitumor agents. Bioorg Med Chem Lett 2013; 23:1343-6. [DOI: 10.1016/j.bmcl.2012.12.091] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/11/2012] [Revised: 12/17/2012] [Accepted: 12/25/2012] [Indexed: 11/20/2022]
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Wu Y, Dai GF, Yang JH, Zhang YX, Zhu Y, Tao JC. Stereoselective synthesis of 15- and 16-substituted isosteviol derivatives and their cytotoxic activities. Bioorg Med Chem Lett 2009; 19:1818-21. [DOI: 10.1016/j.bmcl.2008.12.101] [Citation(s) in RCA: 39] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2008] [Revised: 12/05/2008] [Accepted: 12/26/2008] [Indexed: 10/21/2022]
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21
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Abstract
Terpenes represent one of the largest and most diverse classes of secondary metabolites, with over 55,000 members isolated to date. The terpene cyclase enzymes used in nature convert simple, linear hydrocarbon phosphates into an exotic array of chiral, carbocyclic skeletons. Further oxidation and rearrangement results in an almost endless number of conceivable structures. The enormous structural diversity presented by this class of natural products ensures a broad range of biological properties-ranging from anti-cancer and anti-malarial activities to tumor promotion and ion-channel binding. The marked structural differences of terpenes also largely thwart the development of any truly general strategies for their synthetic construction. This review focuses on synthetic strategies directed toward some of the most complex, biologically relevant terpenes prepared by total synthesis within the past decade. Of crucial importance are both the obstacles that modern synthetic chemists must confront when trying to construct such natural products and the key chemical transformations and strategies that have been developed to meet these challenges.
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Affiliation(s)
- Thomas J Maimone
- Department of Chemistry, The Scripps Research Institute, 10550 N. Torrey Pines Road, La Jolla, California 92037, USA
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22
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Yu D, Morris-Natschke SL, Lee KH. New developments in natural products-based anti-AIDS research. Med Res Rev 2006; 27:108-32. [PMID: 16888749 DOI: 10.1002/med.20075] [Citation(s) in RCA: 65] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
This review discusses anti-HIV natural products from several compound classes, including terpenoids, coumarins, alkaloids, polyphenols, tannins, and flavonoids. Natural products can provide novel anti-AIDS chemotherapeutic leads that are structurally unique or have new mechanisms of action. The drug discovery and development process proceeds from bioactivity-directed isolation and identification of a promising lead natural product, followed by rational design-based structural modification and structure-activity relationship analyses to optimize the lead compound as a drug candidate. This process is notably exemplified by the discovery of the modified betulinic acid derivative, DSB [PA-457], which is currently in Phase II clinical trial and is the first-in-class HIV maturation inhibitor (MI).
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Affiliation(s)
- Donglei Yu
- Natural Products Research Laboratories, School of Pharmacy, University of North Carolina, Chapel Hill, North Carolina 27599, USA
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23
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Tanaka N, Ooba N, Duan H, Takaishi Y, Nakanishi Y, Bastow K, Lee KH. Kaurane and abietane diterpenoids from Tripterygium doianum (Celastraceae). PHYTOCHEMISTRY 2004; 65:2071-2076. [PMID: 15279974 DOI: 10.1016/j.phytochem.2004.04.032] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/18/2003] [Revised: 04/01/2004] [Indexed: 05/24/2023]
Abstract
Extraction of Tripterygium doianum (Celastraceae) afforded five new diterpenoids and 11 known diterpenoids belonging to the ent-kaurane and abietane families. Their structures were established based on spectroscopic studies. The isolated compounds showed moderate cytotoxicity against human tumor cell assays.
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Affiliation(s)
- Naonobu Tanaka
- Faculty of Pharmaceutical Sciences, University of Tokushima, Shomachi 1-78, Tokushima 770-8505, Japan
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24
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25
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Lee KH. Current developments in the discovery and design of new drug candidates from plant natural product leads. JOURNAL OF NATURAL PRODUCTS 2004; 67:273-283. [PMID: 14987069 DOI: 10.1021/np030373o] [Citation(s) in RCA: 107] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
This review article will emphasize recent research in the Natural Products Laboratory, School of Pharmacy, University of North Carolina at Chapel Hill, on various classes of plant-derived compounds that possess potent antitumor or anti-HIV activity. These compounds were obtained by bioactivity- and mechanism of action-directed isolation and characterization coupled with rational drug design-based modification and analogue synthesis. Structural modification, SAR, and mechanism of action studies are discussed.
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Affiliation(s)
- Kuo-Hsiung Lee
- Natural Products Laboratory, School of Pharmacy, University of North Carolina, Chapel Hill, North Carolina 27599-7360, USA.
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26
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Zhou Z, Madrid M, Madura JD. Docking of non-nucleoside inhibitors: neotripterifordin and its derivatives to HIV-1 reverse transcriptase. Proteins 2002; 49:529-42. [PMID: 12402361 DOI: 10.1002/prot.10233] [Citation(s) in RCA: 15] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
The docking of small molecules to proteins has played an important role in the understanding of drug/receptor interactions. An important drug/receptor interaction is between non-nucleoside inhibitors of HIV-1 RT and the non-nucleoside binding pocket. We report the results of docking calculations in which we have docked known and proposed non-nucleoside reverse transcriptase inhibitors to the type 1 virus. The proposed NNRTIs dock in a similar position and orientation as known inhibitors. In addition, we observe a linear correlation between the calculated interaction energy and EC50 for the inhibitors, suggesting that the docked structure orientation and the interaction energies are reasonable. Two hydrogen bonds between nevirapine and RT (3HVT and 1VRT) are observed and are reproduced across different docking schemes. Since we used two different HIV-1 RT crystal structures (3HVT and 1VRT), which are at different levels of resolution (2.9 and 2.2 A, respectively), we propose that structures with resolutions better than 3 A can be used to produce reasonable docking results.
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Affiliation(s)
- Zhigang Zhou
- Department of Chemistry and Biochemistry, Duquesne University, Pittsburgh, Pennsylvania 15282, USA
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27
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Costa-Lotufo LV, Cunha GMA, Farias PAM, Viana GSB, Cunha KMA, Pessoa C, Moraes MO, Silveira ER, Gramosa NV, Rao VSN. The cytotoxic and embryotoxic effects of kaurenoic acid, a diterpene isolated from Copaifera langsdorffii oleo-resin. Toxicon 2002; 40:1231-234. [PMID: 12165328 DOI: 10.1016/s0041-0101(02)00128-9] [Citation(s) in RCA: 104] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
In this work, we studied the effects of kaurenoic acid, a diterpene isolated from the oleo-resin of Copaifera langsdorffii in developing sea urchin (Lytechinus variegatus) embryos, on tumor cell growth in microculture tetrazolium (MTT) test and on mouse and human erythrocytes in hemolysis assay. Continuous exposure of embryos to kaurenoic acid starting immediately after fertilization inhibited the first cleavage (IC(50): 84.2 microM) and progressively induced embryo destruction (IC(50): 44.7 microM and < 10 microM for blastulae and larvae stages, respectively). In MTT assay, kaurenoic acid at a concentration of 78 microM produced growth inhibition of CEM leukemic cells by 95%, MCF-7 breast and HCT-8 colon cancer cells by 45% each. Further, kaurenoic acid induced a dose-dependent hemolysis of mouse and human erythrocytes with an EC(50) of 74.0 and 56.4 microM, respectively. The destruction of sea urchin embryos, the inhibition of tumor cell growth and the hemolysis of mouse and human erythrocytes indicate the potential cytotoxicity of kaurenoic acid.
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Affiliation(s)
- L V Costa-Lotufo
- Department of Physiology and Pharmacology, Faculty of Medicine, Federal University of Ceará, Rua Cel Nunes de Melo, 1127, P.O. Box 3157, 60430-270, Fortaleza, CE, Brazil
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28
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Li BL, Pan YJ, Yu KB. Taibaihenryiin C, a diterpenoid with a novel skeleton from Isodon henryi. Tetrahedron Lett 2002. [DOI: 10.1016/s0040-4039(02)00677-9] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/27/2022]
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29
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Duan H, Takaishi Y, Momota H, Ohmoto Y, Taki T, Tori M, Takaoka S, Jia Y, Li D. Immunosuppressive terpenoids from extracts of Tripterygium wilfordii. Tetrahedron 2001. [DOI: 10.1016/s0040-4020(01)00724-4] [Citation(s) in RCA: 50] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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30
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Castrillo A, de Las Heras B, Hortelano S, Rodriguez B, Villar A, Bosca L. Inhibition of the nuclear factor kappa B (NF-kappa B) pathway by tetracyclic kaurene diterpenes in macrophages. Specific effects on NF-kappa B-inducing kinase activity and on the coordinate activation of ERK and p38 MAPK. J Biol Chem 2001; 276:15854-60. [PMID: 11278990 DOI: 10.1074/jbc.m100010200] [Citation(s) in RCA: 75] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
The anti-inflammatory action of most terpenes has been explained in terms of the inhibition of nuclear factor kappaB (NF-kappaB) activity. Ent-kaurene diterpenes are intermediates of the synthesis of gibberellins and inhibit the expression of NO synthase-2 and the release of tumor necrosis factor-alpha in J774 macrophages challenged with lipopolysaccharide. These diterpenes inhibit NF-kappaB and IkappaB kinase (IKK) activation in vivo but failed to affect in vitro the function of NF-kappaB, the phosphorylation and targeting of IkappaBalpha, and the activity of IKK-2. Transient expression of NF-kappaB-inducing kinase (NIK) activated the IKK complex and NF-kappaB, a process that was inhibited by kaurenes, indicating that the inhibition of NIK was one of the targets of these diterpenes. These results show that kaurenes impair the inflammatory signaling by inhibiting NIK, a member of the MAPK kinase superfamily that interacts with tumor necrosis factor receptor-associated factors, and mediate the activation of NF-kappaB by these receptors. Moreover, kaurenes delayed the phosphorylation of p38, ERK1, and ERK2 MAPKs, but not that of JNK, in response to lipopolysaccharide treatment of J774 cells. The absence of a coordinate activation of MAPK and IKK might contribute to a deficient activation of NF-kappaB that is involved in the anti-inflammatory activity of these molecules.
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Affiliation(s)
- A Castrillo
- Instituto de Bioquimica, Centro Mixto Consejo Superior de Investigaciones Cientificas-Universidad Complutense de Madrid, Spain
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31
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Duan H, Takaishi Y, Imakura Y, Jia Y, Li D, Cosentino LM, Lee KH. Sesquiterpene alkaloids from Tripterygium hypoglaucum and Tripterygium wilfordii: a new class of potent anti-HIV agents. JOURNAL OF NATURAL PRODUCTS 2000; 63:357-61. [PMID: 10757718 DOI: 10.1021/np990281s] [Citation(s) in RCA: 58] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Five new sesquiterpene pyridine alkaloids [triptonines A (1) and B (2), and wilfordinines A (3), B (4), and C (5)] and two known compounds (peritassine A and hypoglaunine C) were isolated from Tripterygium hypoglaucum and a clinically used extract of Tripterygium wilfordii. The structures of 1-5 were elucidated by spectroscopic methods. The anti-HIV activity of 1, 2, and several related compounds was evaluated. Triptonine B (2) demonstrated potent anti-HIV activity with an EC(50) value of <0.10 microg/mL and an in vitro therapeutic index value of >1000.
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Affiliation(s)
- H Duan
- Faculty of Pharmaceutical Sciences, University of Tokushima, Shomachi 1-78, Tokushima 770-8505, Japan
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32
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González A, Bazzocchi I, Moujir L, Jiménez I. Ethnobotanical uses of celastraceae. Bioactive metabolites. BIOACTIVE NATURAL PRODUCTS (PART D) 2000. [DOI: 10.1016/s1572-5995(00)80140-4] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
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Duan H, Takaishi Y, Momota H, Ohmoto Y, Taki T, Jia Y, Li D. Immunosuppressive diterpenoids from Tripterygium wilfordii. JOURNAL OF NATURAL PRODUCTS 1999; 62:1522-1525. [PMID: 10579865 DOI: 10.1021/np9902183] [Citation(s) in RCA: 44] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
A clinically used extract of Tripterygium wilfordii afforded three new diterpenoids-3beta,19-dihydroxyabieta-8,11,13-triene (triptobenzene L) (1); 12,19-dihydroxy-3-oxoabieta-8,11,13-triene (triptobenzene M) (2); and 19-hydroxy-3,7-dioxo-abieta-8,11, 13-triene (triptobenzene N) (3)-along with 14 known diterpenoids. The structures of 1-3 were established on the basis of spectroscopic studies. Of the known compounds, the stereochemistry at C-4 of triptonediol (4) was reassigned. Tripterifordin (8) and 13-epi-manoyl oxide-18-oic acid (9) showed significant inhibitory effects on cytokine production.
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Affiliation(s)
- H Duan
- Faculty of Pharmaceutical Sciences, University of Tokushima, Shomachi 1-78, Tokushima 770-8505, Japan
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34
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Min BS, Hattori M, Lee HK, Kim YH. Inhibitory constituents against HIV-1 protease from Agastache rugosa. Arch Pharm Res 1999; 22:75-7. [PMID: 10071964 DOI: 10.1007/bf02976440] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
Abstract
Two diterpenoid compounds, agastanol (1) and agastaquinone (2), were isolated from the roots of Agastache rugosa (Labiatae). Compound 1 and 2 showed significant inhibitory effects against human immunodeficiency virus type 1 (HIV-1) protease activity with IC50 values of 360 and 87 microM, respectively.
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Affiliation(s)
- B S Min
- College of Pharmacy, Chungnam National University, Taejon, Korea
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35
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Toyota M, Wada T, Fukumoto K, Ihara M. Total Synthesis of (±)-Methyl Atis-16-en-19-oate via Homoallyl−Homoallyl Radical Rearrangement. J Am Chem Soc 1998. [DOI: 10.1021/ja9739042] [Citation(s) in RCA: 106] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Masahiro Toyota
- Contribution from the Pharmaceutical Institute, Tohoku University, Aobayama, Sendai 980-8578, Japan
| | - Toshihiro Wada
- Contribution from the Pharmaceutical Institute, Tohoku University, Aobayama, Sendai 980-8578, Japan
| | - Keiichiro Fukumoto
- Contribution from the Pharmaceutical Institute, Tohoku University, Aobayama, Sendai 980-8578, Japan
| | - Masataka Ihara
- Contribution from the Pharmaceutical Institute, Tohoku University, Aobayama, Sendai 980-8578, Japan
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36
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Corey EJ, Liu K. Enantioselective Total Synthesis of the Potent Anti-HIV Agent Neotripterifordin. Reassignment of Stereochemistry at C(16). J Am Chem Soc 1997. [DOI: 10.1021/ja972549c] [Citation(s) in RCA: 69] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- E. J. Corey
- Department of Chemistry and Chemical Biology Harvard University, Cambridge, Massachusetts 02138
| | - Kun Liu
- Department of Chemistry and Chemical Biology Harvard University, Cambridge, Massachusetts 02138
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