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He M, Wang JM, Xu S, Ding YW, Hu CX, Sun H, Yu P, Yan RY. Three undescribed compounds from Diaporthe biguttusis T-24, an endophytic fungus isolated from Ligularia fischeri. Nat Prod Res 2024; 38:2786-2791. [PMID: 37493494 DOI: 10.1080/14786419.2023.2236279] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 07/01/2023] [Accepted: 07/09/2023] [Indexed: 07/27/2023]
Abstract
Diaporthpyran A (1), diaporthester E (2) and diaporthester F (3), three new compounds along with four known compounds (4-7) were isolated from the crude extract of Diaporthe biguttusis T-24, an endophytic fungus isolated from Ligularia fischeri. The planar structures of compounds 1-3 including the relative and absolute configurations were elucidated on the basis of HRMS, NMR, J-based coupling constant analysis, CD, and calculated ECD analysis. In addition, compounds 1 and 3 were evaluated for their cytotoxic activities against four human cancer cell lines.
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Affiliation(s)
- Min He
- College of Biotechnology, Tianjin University of Science & Technology, Tianjin, China
- Tianjin Key Laboratory of Industry Microbiology, College of Biotechnology, Tianjin University of Science & Technology, Tianjin, China
| | - Jia-Ming Wang
- College of Biotechnology, Tianjin University of Science & Technology, Tianjin, China
- Tianjin Key Laboratory of Industry Microbiology, College of Biotechnology, Tianjin University of Science & Technology, Tianjin, China
| | - Shuai Xu
- College of Biotechnology, Tianjin University of Science & Technology, Tianjin, China
- Tianjin Key Laboratory of Industry Microbiology, College of Biotechnology, Tianjin University of Science & Technology, Tianjin, China
| | - Yu-Wei Ding
- College of Biotechnology, Tianjin University of Science & Technology, Tianjin, China
- Tianjin Key Laboratory of Industry Microbiology, College of Biotechnology, Tianjin University of Science & Technology, Tianjin, China
| | - Chen-Xu Hu
- College of Biotechnology, Tianjin University of Science & Technology, Tianjin, China
- Tianjin Key Laboratory of Industry Microbiology, College of Biotechnology, Tianjin University of Science & Technology, Tianjin, China
| | - Hua Sun
- College of Biotechnology, Tianjin University of Science & Technology, Tianjin, China
- Tianjin Key Laboratory of Industry Microbiology, College of Biotechnology, Tianjin University of Science & Technology, Tianjin, China
| | - Peng Yu
- College of Biotechnology, Tianjin University of Science & Technology, Tianjin, China
- Tianjin Key Laboratory of Industry Microbiology, College of Biotechnology, Tianjin University of Science & Technology, Tianjin, China
| | - Ren-Yi Yan
- College of Biotechnology, Tianjin University of Science & Technology, Tianjin, China
- Tianjin Key Laboratory of Industry Microbiology, College of Biotechnology, Tianjin University of Science & Technology, Tianjin, China
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2
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Lescano LE, Salazar MO, Furlan RLE. Chemically engineered essential oils prepared through thiocyanation under solvent-free conditions: chemical and bioactivity alteration. NATURAL PRODUCTS AND BIOPROSPECTING 2024; 14:35. [PMID: 38822174 PMCID: PMC11143095 DOI: 10.1007/s13659-024-00456-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/25/2024] [Accepted: 05/17/2024] [Indexed: 06/02/2024]
Abstract
The generation of chemically engineered essential oils (CEEOs) prepared from bi-heteroatomic reactions using ammonium thiocyanate as a source of bioactive compounds is described. The impact of the reaction on the chemical composition of the mixtures was qualitatively demonstrated through GC-MS, utilizing univariate and multivariate analysis. The reaction transformed most of the components in the natural mixtures, thereby expanding the chemical diversity of the mixtures. Changes in inhibition properties between natural and CEEOs were demonstrated through acetylcholinesterase TLC autography, resulting in a threefold increase in the number of positive events due to the modification process. The chemically engineered Origanum vulgare L. essential oil was subjected to bioguided fractionation, leading to the discovery of four new active compounds with similar or higher potency than eserine against the enzyme. The results suggest that the directed chemical transformation of essential oils can be a valuable strategy for discovering new acetylcholinesterase (AChE) inhibitors.
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Affiliation(s)
- Liz E Lescano
- Farmacognosia, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario (UNR), Suipacha 531, 2000, Rosario, Argentina
| | - Mario O Salazar
- Farmacognosia, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario (UNR), Suipacha 531, 2000, Rosario, Argentina.
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Suipacha 531, 2000, Rosario, Argentina.
| | - Ricardo L E Furlan
- Farmacognosia, Facultad de Ciencias Bioquímicas y Farmacéuticas, Universidad Nacional de Rosario (UNR), Suipacha 531, 2000, Rosario, Argentina
- Consejo Nacional de Investigaciones Científicas y Técnicas (CONICET), Suipacha 531, 2000, Rosario, Argentina
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Ahmed AF, Dai CF, Kuo YH, Sheu JH. The Invasive Anemone Condylactis sp. of the Coral Reef as a Source of Sulfur- and Nitrogen-Containing Metabolites and Cytotoxic 5,8-Epidioxy Steroids. Metabolites 2023; 13:metabo13030392. [PMID: 36984832 PMCID: PMC10056678 DOI: 10.3390/metabo13030392] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 03/03/2023] [Accepted: 03/06/2023] [Indexed: 03/10/2023] Open
Abstract
The Condylactis-genus anemones were examined for their proteinaceous poisons over 50 years ago. On the other hand, the current research focuses on isolating and describing the non-proteinaceous secondary metabolites from the invasive Condylactis anemones, which help take advantage of their population outbreak as a new source of chemical candidates and potential drug leads. From an organic extract of Condylactis sp., a 1,2,4-thiadiazole-based alkaloid, identified as 3,5-bis(3-pyridinyl)-1,2,4-thiadiazole (1), was found to be a new natural alkaloid despite being previously synthesized. The full assignment of NMR data of compound 1, based on the analysis of 2D NMR correlations, is reported herein for the first time. The proposed biosynthetic precursor thionicotinamide (2) was also isolated for the first time from nature along with nicotinamide (3), uridine (5), hypoxanthine (6), and four 5,8-epidioxysteroids (7–10). A major secondary metabolite (−)-betonicine (4) was isolated from Condylactis sp. and found for the first time in marine invertebrates. The four 5,8-epidioxysteroids, among other metabolites, exhibited cytotoxicity (IC50 3.5–9.0 μg/mL) toward five cancer cell lines.
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Affiliation(s)
- Atallah F. Ahmed
- Department of Marine Resources, National Sun Yat-sen University, Kaohsiung 804, Taiwan
- Department of Pharmacognosy, College of Pharmacy, King Saud University, Riyadh 11451, Saudi Arabia
- Department of Pharmacognosy, Faculty of Pharmacy, Mansoura University, Mansoura 35516, Egypt
| | - Chang-Feng Dai
- Institute of Oceanography, National Taiwan University, Taipei 106, Taiwan
| | - Yao-Haur Kuo
- Division of Herbal Drugs and Natural Products, National Research Institute of Chinese Medicine, Taipei 112, Taiwan
| | - Jyh-Horng Sheu
- Department of Marine Resources, National Sun Yat-sen University, Kaohsiung 804, Taiwan
- Institute of Natural Products, Kaohsiung Medical University, Kaohsiung 807, Taiwan
- Department of Medical Research, China Medical University Hospital, China Medical University, Taichung 404, Taiwan
- Frontier Center for Ocean Science and Technology, National Sun Yat-sen University, Kaohsiung 804, Taiwan
- Doctoral Degree Program in Marine Biotechnology, National Sun Yat-sen University, Kaohsiung 804, Taiwan
- Correspondence: ; Tel.: +88-(67)-5252000 (ext. 5030)
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Atukuri D, M R, M C, T A, Mujavar PH. Recent Update on the Pharmacological Significance of Isatis tinctoria L. (Brassicaceae) Extracts. Polycycl Aromat Compd 2022. [DOI: 10.1080/10406638.2021.1886126] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Dorababu Atukuri
- SRMPP Govt. First Grade College, Huvinahadagali, Karnataka, India
| | - Rashmi M
- SRMPP Govt. First Grade College, Huvinahadagali, Karnataka, India
| | - Chandrashekhar M
- SRMPP Govt. First Grade College, Huvinahadagali, Karnataka, India
| | - Afreen T
- SRMPP Govt. First Grade College, Huvinahadagali, Karnataka, India
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Wang L, Chen MH, Liu YF, Meng LJ, Guo QL, Shi JG. Lignans and a neolignan from an aqueous extract of Isatis indigotica roots. JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH 2022; 25:1-13. [PMID: 35749256 DOI: 10.1080/10286020.2022.2089979] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/27/2022] [Accepted: 06/08/2022] [Indexed: 06/15/2023]
Abstract
Four new lignans (1-4) and one new neolignan (5), along with two known lignan derivatives (6 and 7), were isolated from an aqueous extract of the Isatis indigotica root (ban lan gen). Their structures were determined by spectroscopic data analysis, chemical method, and theoretical calculation, for which 1 was proved by single-crystal X-ray diffraction. Compound 2 exhibited antiviral activity against influenza virus A/Hanfang/359/95 (H3N2) with an IC50 value of 11.1 µM and a selective index (SI) > 9, while 1 and 5 are the first examples of sulfonated lignan and neolignan from nature.
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Affiliation(s)
- Lei Wang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Ming-Hua Chen
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Yu-Feng Liu
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Ling-Jie Meng
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Qing-Lan Guo
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Jian-Gong Shi
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
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6
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Wang L, Xu CB, Lei XQ, Guo QL, Shi JG. Sulfonated alkaloids from an aqueous extract of Isatis indigotica roots. JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH 2022; 24:503-517. [PMID: 35469506 DOI: 10.1080/10286020.2022.2064284] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2022] [Revised: 03/28/2022] [Accepted: 04/06/2022] [Indexed: 06/14/2023]
Abstract
Eleven new sulfonated alkaloids (1 - 11) having diverse structures were isolated from an aqueous extract of the Isatis indigotica root (ban lan gen). Their structures were determined by spectroscopic data analysis, chemical method, and theoretical calculation, of which (-)-4 was proved by single crystal X-ray diffraction.
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Affiliation(s)
- Lei Wang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Cheng-Bo Xu
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Xiao-Qiang Lei
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Qing-Lan Guo
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Jian-Gong Shi
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
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Yu JH, Yu ZP, Capon RJ, Zhang H. Natural Enantiomers: Occurrence, Biogenesis and Biological Properties. Molecules 2022; 27:1279. [PMID: 35209066 PMCID: PMC8880303 DOI: 10.3390/molecules27041279] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2022] [Revised: 02/09/2022] [Accepted: 02/10/2022] [Indexed: 02/01/2023] Open
Abstract
The knowledge that natural products (NPs) are potent and selective modulators of important biomacromolecules (e.g., DNA and proteins) has inspired some of the world's most successful pharmaceuticals and agrochemicals. Notwithstanding these successes and despite a growing number of reports on naturally occurring pairs of enantiomers, this area of NP science still remains largely unexplored, consistent with the adage "If you don't seek, you don't find". Statistically, a rapidly growing number of enantiomeric NPs have been reported in the last several years. The current review provides a comprehensive overview of recent records on natural enantiomers, with the aim of advancing awareness and providing a better understanding of the chemical diversity and biogenetic context, as well as the biological properties and therapeutic (drug discovery) potential, of enantiomeric NPs.
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Affiliation(s)
- Jin-Hai Yu
- School of Biological Science and Technology, University of Jinan, Jinan 250022, China; (J.-H.Y.); (Z.-P.Y.)
| | - Zhi-Pu Yu
- School of Biological Science and Technology, University of Jinan, Jinan 250022, China; (J.-H.Y.); (Z.-P.Y.)
| | - Robert J. Capon
- Institute for Molecular Bioscience, The University of Queensland, St. Lucia, Brisbane, QLD 4072, Australia
| | - Hua Zhang
- Institute for Molecular Bioscience, The University of Queensland, St. Lucia, Brisbane, QLD 4072, Australia
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Xu ZL, Yan DJ, Tan XM, Niu SB, Yu M, Sun BD, Ding CF, Zhang YG, Ding G. Phaeosphspirone (1/1'), a pair of unique polyketide enantiomers with an unusual 6/5/5/6 tetracyclic ring from the desert plant endophytic fungus Phaeosphaeriaceae sp. PHYTOCHEMISTRY 2022; 194:112969. [PMID: 34861538 DOI: 10.1016/j.phytochem.2021.112969] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/02/2021] [Revised: 09/23/2021] [Accepted: 09/23/2021] [Indexed: 06/13/2023]
Abstract
Phaeosphspirone, an undescribed polyketide with a unique 6/5/5/6-fused tetracyclic system, and two known analogues, herbarin and O-methylherbarin, were purified from the endophytic fungus Phaeosphaeriaceae sp. isolated from the desert plant Bassia dasyphylla. The connectivity and relative configuration of phaeosphspirone was elucidated by comprehensive HR-ESI-MS and NMR analysis together with a computer-assisted structure elucidation (CASE) method. A pair of enantiomers existing in phaeosphspirone were separated by HPLC chromatography after reacting with chiral reagents, from which the absolute configuration of phaeosphspirone was simultaneously determined based on Mosher's rule. This tandem strategy provides a useful approach for the separation and stereochemical determination of enantiomers possessing secondary hydroxyl groups. The structural feature of phaeosphspirone, herbarin and O-methylherbarin together with gene cluster analysis suggested their polyketide biosynthetic origin. Herbarin and O-methylherbarin exhibited moderate cytotoxicity against three cancer cell lines.
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Affiliation(s)
- Zhen-Lu Xu
- Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicines, Ministry of Education, Institute of Medicinal Plant Development, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, 100193, People's Republic of China; Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Shandong, Jinan, 250103, People's Republic of China; College of Life Sciences, Shandong Normal University, Shandong, Jinan, 250014, People's Republic of China
| | - Dao-Jiang Yan
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, People's Republic of China
| | - Xiang-Mei Tan
- Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicines, Ministry of Education, Institute of Medicinal Plant Development, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, 100193, People's Republic of China
| | - Shu-Bin Niu
- School of Biological Medicine, Beijing City University, Beijing, 450046, People's Republic of China
| | - Meng Yu
- Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicines, Ministry of Education, Institute of Medicinal Plant Development, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, 100193, People's Republic of China
| | - Bing-Da Sun
- Institute of Microbiology, Chinese Academy of Sciences, Beijing, 100101, People's Republic of China
| | - Cai-Feng Ding
- State Key Laboratory of Phytochemistry and Plant Resources in West China, Kunming Institute of Botany, Chinese Academy of Sciences, Kunming, 650201, People's Republic of China
| | - Yong-Gang Zhang
- Biology Institute, Qilu University of Technology (Shandong Academy of Sciences), Shandong, Jinan, 250103, People's Republic of China; College of Life Sciences, Shandong Normal University, Shandong, Jinan, 250014, People's Republic of China.
| | - Gang Ding
- Key Laboratory of Bioactive Substances and Resources Utilization of Chinese Herbal Medicines, Ministry of Education, Institute of Medicinal Plant Development, Peking Union Medical College and Chinese Academy of Medical Sciences, Beijing, 100193, People's Republic of China.
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Chen J, Zhu Z, Gao T, Chen Y, Yang Q, Fu C, Zhu Y, Wang F, Liao W. Isatidis Radix and Isatidis Folium: A systematic review on ethnopharmacology, phytochemistry and pharmacology. JOURNAL OF ETHNOPHARMACOLOGY 2022; 283:114648. [PMID: 34543684 DOI: 10.1016/j.jep.2021.114648] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2021] [Revised: 09/02/2021] [Accepted: 09/14/2021] [Indexed: 06/13/2023]
Abstract
ETHNOPHARMACOLOGICAL RELEVANCE Isatidis Radix (called Banlangen, BLG in Chinese) and Isatidis Folium (called Daqingye, DQY in Chinese) are common traditional edible-medicinal herbs in detoxifying for thousands of years, have been traditionally applied in traditional Chinese medicine for centuries. Both of them are bitter in taste, coolness in nature, acting on the heart and stomach channels. They are often used to treat influenza and other viral infectious diseases in clinic, as well as could treat fever, dizziness, and cough and sore throat caused by lung heat. AIMS OF THE REVIEW This review aimed at summarizing the latest and comprehensive information of BLG and DQY on the ethnopharmacology, phytochemistry, pharmacology, toxicity and clinical application to explore the therapeutic potential of them. In addition, outlooks and perspective for possible future researches that related are also discussed. MATERIALS AND METHODS Related information concerning BLG and DQY were gathered from the internet database of Google Scholar, PubMed, Baidu Scholar, GeenMedical, CNKI and Web of Science, as well as other relevant textbooks, reviews, and documents (e.g., Chinese Pharmacopoeia, 2020 edition, Chinese herbal classic books and PhD and MSc thesis, etc.). Among of them with the keywords including "Isatis indigotica" "Isatidis Radix", "Isatidis Folium", "phytochemistry", "pharmacology", "toxicology", "clinical application" etc. and their combinations. RESULTS To date, 39 Chinese patent medicines containing BLG and/or DQY have been developed on basis of the data of NMPA. Besides, 304 and 142 compounds have been found in BLG and DQY, respectively. The main chemical differences between BLG and DQY were concentrated on alkaloids and lignans, such as indican, indirubin, (R, S)-epigoitrin, 4(3H)-quinazolinone, clemastanin B and isatindigotindolines A-D. In 2020 Edition ChP, (R, S)-goitrin and indirubin are now used as the official marker to monitor the quality of BLG and DQY, respectively. Modern pharmacology has mainly studied some monomer components such as 4(3H)-quinazolinone, clemastanin B, erucic acid and adenosine, etc., all of which have shown good effects. These active compounds can resist various viruses, such as influenza virus, respiratory syncytial virus, herpes simplex virus, etc.. By regulating the level of immunity and a variety of inflammatory factors, inhibit the growth and reproduction of the virus. At the same time, it is worth noting that different components of BLG and DQY lead to BLG is more powerful in antiviral and immunomodulatory activity than DQY, while DQY possesses a higher intensity than BLG in anti-oxidant activity. CONCLUSION By collecting and collating a large number of literature and various data websites, we concluded that the common compounds are mainly alkaloids. Recent findings regarding the phytochemical and pharmacological properties of BLG and DQY have confirmed their traditional uses in antiviral, antibacterial and treatment immune diseases. Without doubt, their significant differences on ethnopharmacology, phytochemistry and pharmacology can be used as evidence of separate list of BLG and DQY. For shortcomings, some comprehensive studies should be well designed for further utilization of BLG and DQY.
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Affiliation(s)
- Jiao Chen
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, Sichuan, China.
| | - Zongping Zhu
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, Sichuan, China.
| | - Tianhui Gao
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, Sichuan, China.
| | - Yi Chen
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, Sichuan, China.
| | - Qingsong Yang
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, Sichuan, China.
| | - Chaomei Fu
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, Sichuan, China.
| | - Yaning Zhu
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, Sichuan, China.
| | - Fang Wang
- Key Laboratory of Modern Preparation of Chinese Medicine Under Ministry of Education, Jiangxi University of Chinese Medicine, Nanchang, 330004, Jiangxi, China.
| | - Wan Liao
- State Key Laboratory of Southwestern Chinese Medicine Resources, School of Pharmacy, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, Sichuan, China.
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Chen W, Zhou H, Ren BH, Ren WM, Lu XB. COS-triggered oxygen/sulfur exchange of isatins: chemoselective synthesis of functionalized isoindigos and spirothiopyrans via self-condensation and the thio-Diels-Alder reaction. Org Biomol Chem 2021; 20:678-685. [PMID: 34939627 DOI: 10.1039/d1ob02157e] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Herein, we present the first organocatalytic oxygen/sulfur atom exchange reaction (O/S ER) of isatins by employing carbonyl sulfide (COS) as a novel sulfuring reagent under mild reaction conditions. 8-Diazabicyclo[5.4.0]undec-7-ene (DBU) exhibited excellent activity in this approach. Remarkably, the chemical transformations of in situ generated 3-thioisatins can be tuned via the judicious choice of reaction solvents in a one pot process, enabling the selective formation of either functionalized isoindigos in CH3CN via a self-condensation process or spirothiopyrans in DMSO in the presence of conjugated dienes via the thio-Diels-Alder reaction. Mechanistic studies with experimental and density functional theory approaches revealed that the O/S ER between isatins and COS results in the formation of 3-thioisatins as the key intermediates, which further undergo solvent-controlled transformations to generate isoindigos or spirothiopyrans, respectively. The easily-accessible substrates and operational simplicity make the process suitable for further exploration. The practicality of this transformation was demonstrated by the gram-scale synthesis of isoindigo-based drug molecules and donor-acceptor conjugated polymers.
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Affiliation(s)
- Wei Chen
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, China.
| | - Hui Zhou
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, China.
| | - Bai-Hao Ren
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, China.
| | - Wei-Min Ren
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, China.
| | - Xiao-Bing Lu
- State Key Laboratory of Fine Chemicals, Dalian University of Technology, Dalian 116024, China.
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11
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Xi YF, Lou LL, Han FY, Wang XB, Huang XX, Yao GD, Song SJ. Discovery of alkaloids from the leaves of Isatis indigotica Fortune with neuroprotective activity. Chin J Nat Med 2021; 19:680-685. [PMID: 34561079 DOI: 10.1016/s1875-5364(21)60093-6] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2021] [Indexed: 11/19/2022]
Abstract
Seven alkaloids including five undescribed ones (1a/1b, 2, 3 and 5) were obtained from the leaves of Isatis indigotica Fortune. Their structures were established by extensive spectroscopic analyses. The absolute configurations of compounds 1a, 1b, 3 and 5 were determined by comparison of the experimental and calculated electronic circular dichroism (ECD) spectra. Subsequently, the neuroprotective effects of all the isolates against H2O2-induced injury in SH-SY5Y cells were evaluated in vitro by MTT assay. Moreover, Annexin V-FITC/PI double staining was performed, while the activities of antioxidant enzymes (SOD, CAT and GSH-Px) for compounds 1a and 1b were measured.
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Affiliation(s)
- Yu-Fei Xi
- Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research & Development, Liaoning Province, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Li-Li Lou
- Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research & Development, Liaoning Province, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China; Chinese People's Liberation Army Logistics Support Force No.967 Hospital, Dalian 116000, China
| | - Feng-Ying Han
- Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research & Development, Liaoning Province, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China
| | - Xiao-Bo Wang
- Chinese People's Liberation Army Logistics Support Force No.967 Hospital, Dalian 116000, China
| | - Xiao-Xiao Huang
- Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research & Development, Liaoning Province, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China.
| | - Guo-Dong Yao
- Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research & Development, Liaoning Province, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China.
| | - Shao-Jiang Song
- Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research & Development, Liaoning Province, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, China.
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12
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Qian X, Nie L, Dai Z, Ma S. Determination of Free Amino Acids in Banlangen Granule and its Fractions by Solid Phase Extraction Combined with Ion-pair Hig-h Perfor mance Liquid Chromatography using a Corona-charged Aerosol Detector (SPE-HPLC-CAD). CURR PHARM ANAL 2021. [DOI: 10.2174/1573412916999200526120449] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
Background:
Banlangen granules are broad-spectrum effective antiviral drugs, and have a
large clinical demand in China. Free amino acid is one of the main antiviral active ingredients of Banlangen
granules. The pre-processing of samples by the existing pre-column derivatization reversed-
HPLC method is complicated. Therefore, the determination of free amino acids (AAs) by underivatized
ion-pair HPLC-CAD is advantageous for simplifying the preparation process and improving sensitivity.
Objective:
To better optimize AAs analysis methods, here a sensitive SPE-HPLC-CAD method with a
better resolution was established for the determination of underivatized AAs in Banlangen Granule for
the first time.
Method:
The analytes were separated only by HPLC using a Hypercarb column with gradient elution of solvent A (20
mM nonafluorovaleric Acid in water) and solvent B (0.3% trifluoroacetic acid in acetonitrile-0.3% trifluoroacetic acid
in water (1:9, v/v)) at a flow rate of 0.15 mL/min. N2 gas pressure and evaporation temperature of CAD were held at a
constant 58.6 psi and 60 ℃, respectively.
Results:
This method was linear over the respective concentration range of six amino acids. The precision, accuracy,
stability and recovery were satisfactory in all samples examined. And the method was successfully applied to
determination of free amino acids in Banlangen granules and its fractions. The total contents of six amino acids in 28
batches of Banlangen Granule were between 1.36 mg/g-11.62 mg/g.
Conclusion:
The proposed method could be a simple, accurate and sensitive alternative approach for the determination
of free AAs in Banlangen Granule.
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Affiliation(s)
- Xiuyu Qian
- Institute of Traditional Chinese Medicine, National Institutes for Food and Drug Control, Beijing 100050,China
| | - Lixing Nie
- Institute of Traditional Chinese Medicine, National Institutes for Food and Drug Control, Beijing 100050,China
| | - Zhong Dai
- Institute of Traditional Chinese Medicine, National Institutes for Food and Drug Control, Beijing 100050,China
| | - Shuangcheng Ma
- Institute of Traditional Chinese Medicine, National Institutes for Food and Drug Control, Beijing 100050,China
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13
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Cao XT, Wei SN, Sun HT, Li M, Zheng ZL, Wang G. Iridium-catalyzed regioselective C-H sulfonamidation of 1,2,4-thiadiazoles with sulfonyl azides in water. RSC Adv 2021; 11:22000-22004. [PMID: 35480792 PMCID: PMC9034132 DOI: 10.1039/d1ra04450h] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Accepted: 06/14/2021] [Indexed: 12/20/2022] Open
Abstract
We have developed a regioselective C-N cross-coupling of 1,2,4-thiadiazoles with sulfonyl azides through iridium catalysis in water. This method tactically linked the 1,2,4-thiadiazoles and sulfonamides together, and the novel molecules increased the diversity of 1,2,4-thiadiazoles which may have potential applications.
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Affiliation(s)
- Xian-Ting Cao
- College of Medical Engineering, Key Laboratory for Medical Functional Nanomaterials, Jining Medical University Jining 272067 China
| | - Su-Ning Wei
- College of Medical Engineering, Key Laboratory for Medical Functional Nanomaterials, Jining Medical University Jining 272067 China
| | - Hao-Tian Sun
- College of Medical Engineering, Key Laboratory for Medical Functional Nanomaterials, Jining Medical University Jining 272067 China
| | - Meng Li
- College of Medical Engineering, Key Laboratory for Medical Functional Nanomaterials, Jining Medical University Jining 272067 China
| | - Zuo-Ling Zheng
- College of Medical Engineering, Key Laboratory for Medical Functional Nanomaterials, Jining Medical University Jining 272067 China
| | - Guannan Wang
- College of Medical Engineering, Key Laboratory for Medical Functional Nanomaterials, Jining Medical University Jining 272067 China
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14
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Guo Q, Lan WJ, Chen LP, Lam CK, Feng GK, Deng R, Zhu XF, Li HJ. Monalbidins A-E, Decalins with Potential Cytotoxic Activities from Marine Derived Fungus Monascus albidus BB3. Chem Biodivers 2021; 18:e2100068. [PMID: 33811740 DOI: 10.1002/cbdv.202100068] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/25/2021] [Accepted: 03/22/2021] [Indexed: 11/09/2022]
Abstract
Five new decalins, monalbidins A-E (1, 2 and 7-9), together with 16 known compounds (3-6 and 10-21), were isolated from the AcOEt extract of marine derived fungus Monascus albidus BB3 cultured in GPY medium. Among the known compounds, 1-hydroxymonacolin L (11), dehydromonacolin J (15), 8-O-acetylmonacolin J (19) and O-acetylmonacolin K (21) were separated from natural sources for the first time. Their structures were determined by comprehensive analysis on the 1D and 2D NMR, HR-ESI-MS, UV and IR data, and their absolute configurations were assigned by experimental and calculated ECD data, and X-ray single-crystal diffraction analysis. Monalbidins C and D (7 and 8), monacolin K methyl ester (13), dehydromonacolin L (14), dehydromonacolin K (16), monacolin K (20) and O-acetylmonacolin K (21) showed moderate cytotoxicity against human cancer cell lines SUNE1, HepG2, QGY7701, HCT116 and MDA-MB-231.
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Affiliation(s)
- Qi Guo
- School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, P. R. China
| | - Wen-Jian Lan
- School of Pharmaceutical Sciences, Sun Yat-sen University, Guangzhou, 510006, P. R. China
| | - Liu-Ping Chen
- School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, P. R. China
| | - Chi-Keung Lam
- School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, P. R. China
| | - Gong-Kan Feng
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Cancer Center, Sun Yat-sen University, Guangzhou, 510060, P. R. China
| | - Rong Deng
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Cancer Center, Sun Yat-sen University, Guangzhou, 510060, P. R. China
| | - Xiao-Feng Zhu
- State Key Laboratory of Oncology in South China, Collaborative Innovation Center for Cancer Medicine, Cancer Center, Sun Yat-sen University, Guangzhou, 510060, P. R. China
| | - Hou-Jin Li
- School of Chemistry, Sun Yat-sen University, Guangzhou, 510275, P. R. China
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15
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Dorababu A. Indole - a promising pharmacophore in recent antiviral drug discovery. RSC Med Chem 2020; 11:1335-1353. [PMID: 34095843 PMCID: PMC8126882 DOI: 10.1039/d0md00288g] [Citation(s) in RCA: 43] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Accepted: 10/04/2020] [Indexed: 12/17/2022] Open
Abstract
The bicyclic molecule indole has been in the limelight because of its numerous pharmacological potencies. It is used as an excellent scaffold in drug discovery of medicinal drugs such as antimicrobials, anticancer agents, antihypertensives, anti-proliferative agents and anti-inflammatory agents. In spite of its diverse therapeutic activity, it is used as a key pharmacophore in synthesizing the most potent biological agents. Besides, viral infections are ubiquitous and their prevention and cure have become a great challenge. In this regard, the design of indole-containing antiviral drugs is accomplished to combat viral infections. A lot of research is being carried out towards antiviral drug discovery by many researchers round the clock. Herein, the antiviral activity of recently discovered indole scaffolds is compiled and critically evaluated to give a meaningful summary. In addition, the structure-activity relationship of remarkable antiviral agents is discussed. Also, the structural motifs attributed to noteworthy antiviral properties are highlighted to guide future antiviral research.
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Affiliation(s)
- Atukuri Dorababu
- Department of Chemistry, SRMPP Govt. First Grade College Huvinahadagali-583219 Karnataka India
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16
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Zhang Z, Morris‐Natschke SL, Cheng Y, Lee K, Li R. Development of anti‐influenza agents from natural products. Med Res Rev 2020; 40:2290-2338. [DOI: 10.1002/med.21707] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2019] [Revised: 06/23/2020] [Accepted: 06/26/2020] [Indexed: 12/20/2022]
Affiliation(s)
- Zhi‐Jun Zhang
- Faculty of Life Science and Technology Kunming University of Science and Technology Kunming China
| | - Susan L. Morris‐Natschke
- Natural Products Research Laboratories, UNC Eshelman School of Pharmacy University of North Carolina at Chapel Hill Chapel Hill North Carolina USA
| | - Yung‐Yi Cheng
- Natural Products Research Laboratories, UNC Eshelman School of Pharmacy University of North Carolina at Chapel Hill Chapel Hill North Carolina USA
| | - Kuo‐Hsiung Lee
- Natural Products Research Laboratories, UNC Eshelman School of Pharmacy University of North Carolina at Chapel Hill Chapel Hill North Carolina USA
- Chinese Medicine Research and Development Center China Medical University and Hospital Taichung Taiwan
| | - Rong‐Tao Li
- Faculty of Life Science and Technology Kunming University of Science and Technology Kunming China
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17
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Zhang D, Sun Y, Shi Y, Wu X, Jia Q, Chen K, Li Y, Wang R. Four new indole alkaloids from the roots of Isatis tinctoria. Nat Prod Res 2020; 36:312-318. [PMID: 32567364 DOI: 10.1080/14786419.2020.1779716] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
Chemical fractionation of the ethanolic extract of the roots of Isatis tinctoria L. (I. tinctoria) yielded fourteen indole alkaloids including four new ones, isatisindigoticanine L-N and isatindigoside M. Their structures were established on the basis of extensive spectroscopic techniques including NMR, HRESIMS and IR as well as chemical methods. The absolute configuration of 1 was confirmed by ECD experiments. All the compounds were tested for their inhibitory effects on NO production in mouse mononuclear macrophages (RAW264.7) induced by lipopolysaccharide (LPS). The results showed that only compound 5 exhibited inhibitory effects with IC50 value of 18.5 μM.
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Affiliation(s)
- Dongdong Zhang
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai, People's Republic of China.,School of Pharmacy, Shaanxi University of Chinese Medicine, Xianyang, People's Republic of China
| | - Yu Sun
- School of Pharmacy, Shaanxi University of Chinese Medicine, Xianyang, People's Republic of China
| | - Yanhong Shi
- Institute of TCM International Standardization of Shanghai University of Traditional Chinese Medicine, Shanghai, People's Republic of China
| | - Ximin Wu
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai, People's Republic of China
| | - Qi Jia
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai, People's Republic of China
| | - Kaixian Chen
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai, People's Republic of China.,Shanghai Institute of Materia Medica, Chinese Academy of Science, Shanghai, People's Republic of China
| | - Yiming Li
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai, People's Republic of China
| | - Rui Wang
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai, People's Republic of China
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18
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Anstis DG, Lindsay AC, Söhnel T, Sperry J. Synthesis of the 1,2,4-Thiadiazole Alkaloid Polyaurine B. JOURNAL OF NATURAL PRODUCTS 2020; 83:1721-1724. [PMID: 32297745 DOI: 10.1021/acs.jnatprod.0c00166] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
A short synthesis of the natural product polyaurine B is described. The 1,2,4-thiadiazole heterocycle was assembled using a Cu(II)-mediated heterocyclization reaction that forges the N-S bond. The final acylation step to install the methylcarbamate must be conducted under anhydrous, nonbasic conditions to prevent thiadiazole ring opening initiated by attack of hydroxide at C-5.
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Affiliation(s)
- Daniel G Anstis
- School of Chemical Sciences, The University of Auckland, 23 Symonds Street, Auckland 1010, New Zealand
| | - Ashley C Lindsay
- School of Chemical Sciences, The University of Auckland, 23 Symonds Street, Auckland 1010, New Zealand
| | - Tilo Söhnel
- School of Chemical Sciences, The University of Auckland, 23 Symonds Street, Auckland 1010, New Zealand
| | - Jonathan Sperry
- School of Chemical Sciences, The University of Auckland, 23 Symonds Street, Auckland 1010, New Zealand
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19
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Guo Q, Li D, Xu C, Zhu C, Guo Y, Yu H, Wang X, Shi J. Indole alkaloid glycosides with a 1'-(phenyl)ethyl unit from Isatis indigotica leaves. Acta Pharm Sin B 2020; 10:895-902. [PMID: 32528835 PMCID: PMC7280145 DOI: 10.1016/j.apsb.2019.09.001] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2019] [Revised: 08/27/2019] [Accepted: 09/03/2019] [Indexed: 12/15/2022] Open
Abstract
Seven indole alkaloid glycosides containing a 1′-(4″-hydroxy-3″,5″-dimethoxyphenyl)ethyl unit (1–7) were isolated from an aqueous extract of Isatis indigotica leaves (da qing ye). Their structures were determined by spectroscopic data analysis combined with enzymatic hydrolysis as well as comparison of their experimental CD (circular dichroism) and calculated ECD (electrostatic circular dichroism) spectra. Based on analysis of [α]D20 and/or Cotton effect (CE) data of 1–7, two simple roles to assign location and/or configuration of β-glycopyranosyloxy and 1′-(phenyl)ethyl units in the indole alkaloid glycosides are proposed. Stereoselectivity in plausible biosynthetic pathways of 1–7 is discussed. Compounds 3 and 4 and their mixture in a 3:2 ratio showed activity against KCNQ2 in CHO cells. The mixture of 5 and 6 (3:2) exhibited antiviral activity against influenza virus H1N1 PR8 with IC50 64.7 μmol/L (ribavirin, IC50 54.3 μmol/L), however, the individual 5 or 6 was inactive. Preliminary structure–activity relationships were observed.
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20
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Xu C, Xin Y, Chen M, Ba M, Guo Q, Zhu C, Guo Y, Shi J. Discovery, synthesis, and optimization of an N-alkoxy indolylacetamide against HIV-1 carrying NNRTI-resistant mutations from the Isatis indigotica root. Eur J Med Chem 2020; 189:112071. [PMID: 32004936 PMCID: PMC7111291 DOI: 10.1016/j.ejmech.2020.112071] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2019] [Revised: 01/04/2020] [Accepted: 01/13/2020] [Indexed: 12/27/2022]
Abstract
From an aqueous decoction of the traditional Chinese medicine "ban lan gen" (the Isatis indigotica root), an antiviral natural product CI - 39 was isolated as an NNRTI (non-nucleoside reverse transcriptase inhibitor) (EC50 = 3.40 μM). Its novel structure was determined as methyl (1-methoxy-1H-indol-3-yl)acetamidobenzoate by spectroscopic data and confirmed by single crystal X-ray diffraction. Through synthesis and structure-activity relationship (SAR) investigation of CI - 39 and 57 new derivatives (24 with EC50 values of 0.06-8.55 μM), two optimized derivatives 10f and 10i (EC50: 0.06 μM and 0.06 μM) having activity comparable to that of NVP (EC50 = 0.03 μM) were obtained. Further evaluation verified that 10f and 10i were RT DNA polymerase inhibitors and exhibited better activities and drug resistance folds compared to NVP against seven NNRTI-resistant strains carrying different mutations. Especially, 10i (EC50 = 0.43 μM) was more active to the L100I/K103N double-mutant strain as compared to both NVP (EC50 = 0.76 μM) and EFV (EC50 = 1.08 μM). The molecular docking demonstrated a possible binding pattern between 10i and RT and revealed activity mechanism of 10i against the NNRTI-resistant strains.
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Affiliation(s)
- Chengbo Xu
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, China
| | - Yijing Xin
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, China
| | - Minghua Chen
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, China; Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, China
| | - Mingyu Ba
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, China
| | - Qinglan Guo
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, China
| | - Chenggen Zhu
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, China
| | - Ying Guo
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, China.
| | - Jiangong Shi
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100050, China.
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21
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Xi YF, Lou LL, Han FY, Liu SF, Yao GD, Lin B, Huang XX, Wang XB, Song SJ. Four pairs of alkaloid enantiomers from Isatis indigotica Fortune Ex Land with neuroprotective effects against H 2O 2-induced SH-SY5Y cell injury. Bioorg Chem 2020; 96:103650. [PMID: 32044515 DOI: 10.1016/j.bioorg.2020.103650] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2019] [Revised: 01/14/2020] [Accepted: 02/03/2020] [Indexed: 01/07/2023]
Abstract
In the current study, four pairs of new enantiomeric alkaloids (1a/1b-4a/4b) were obtained from the leaves of Isatis indigotica Fortune Ex Land. Their structures were elucidated through spectroscopic methods and quantum mechanical calculations. Biologically, all isolates were evaluated for their neuroprotective effects against H2O2-induced SH-SY5Y cell injury. As a result, 1a and 1b exhibited enantioselective neuroprotective effects, further Annexin V-FITC/PI analysis showed that apoptosis ratios of 1a and 1b were reduced to 20.93% and 17.87%, respectively.
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Affiliation(s)
- Yu-Fei Xi
- Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research & Development, Liaoning Province, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, People's Republic of China
| | - Li-Li Lou
- Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research & Development, Liaoning Province, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, People's Republic of China; Chinese People's Liberation Army Logistics Support Force No.967 Hospital, Dalian 116021, People's Republic of China
| | - Feng-Ying Han
- Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research & Development, Liaoning Province, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, People's Republic of China
| | - Si-Fan Liu
- Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research & Development, Liaoning Province, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, People's Republic of China
| | - Guo-Dong Yao
- Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research & Development, Liaoning Province, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, People's Republic of China
| | - Bin Lin
- School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, Shenyang 110016, People's Republic of China
| | - Xiao-Xiao Huang
- Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research & Development, Liaoning Province, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, People's Republic of China
| | - Xiao-Bo Wang
- Chinese People's Liberation Army Logistics Support Force No.967 Hospital, Dalian 116021, People's Republic of China.
| | - Shao-Jiang Song
- Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research & Development, Liaoning Province, School of Traditional Chinese Materia Medica, Shenyang Pharmaceutical University, Shenyang 110016, People's Republic of China.
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22
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Abdi Y, Bensouilah N, Siziani D, Hamdi M, Silva AM, Boutemeur-Kheddis B. New complexes of manganese (II) and copper (II) derived from the two new furopyran-3, 4-dione ligands: Synthesis, spectral characterization, ESR, DFT studies and evaluation of antimicrobial activity. J Mol Struct 2020. [DOI: 10.1016/j.molstruc.2019.127307] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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23
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Zhang D, Shi Y, Li J, Ruan D, Jia Q, Zhu W, Chen K, Li Y, Wang R. Alkaloids with Nitric Oxide Inhibitory Activities from the Roots of Isatis tinctoria. Molecules 2019; 24:molecules24224033. [PMID: 31703370 PMCID: PMC6891263 DOI: 10.3390/molecules24224033] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2019] [Revised: 11/06/2019] [Accepted: 11/06/2019] [Indexed: 12/25/2022] Open
Abstract
As our ongoing research project on Ban Lan Gen (Isatis tinctoria roots), a total of 23 alkaloids were obtained. Compounds 1 and 2 contain an unusual C–C bond between the 2(1H)-quinolinone moiety and the phenol moiety and between the 2(1H)-quinolinone moiety and the 1H-indole moiety, respectively. Compound 3 possesses an unusual carbon skeleton and its putative biosynthetic pathway was discussed, and Compound 23 was deduced as a new indole alkaloid glycoside. Compounds 4–7 were identified as four new natural products by extensive spectroscopic experiments. Additionally, the anti-inflammatory activity was assessed based on nitric oxide (NO) production using Lipopolysaccharide-stimulated RAW264.7 macrophages. Compounds 9, 15, and 17 showed inhibitory effects with IC50 values of 1.2, 5.0, and 74.4 μM.
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Affiliation(s)
- Dongdong Zhang
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; (D.Z.); (J.L.); (D.R.); (Q.J.); (K.C.)
| | - Yanhong Shi
- Institute of TCM International Standardization of Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China;
| | - Jingyi Li
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; (D.Z.); (J.L.); (D.R.); (Q.J.); (K.C.)
| | - Deqing Ruan
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; (D.Z.); (J.L.); (D.R.); (Q.J.); (K.C.)
| | - Qi Jia
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; (D.Z.); (J.L.); (D.R.); (Q.J.); (K.C.)
| | - Weiliang Zhu
- Shanghai Institute of Materia Medica, Chinese Academy of Science, Shanghai 201203, China;
| | - Kaixian Chen
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; (D.Z.); (J.L.); (D.R.); (Q.J.); (K.C.)
- Shanghai Institute of Materia Medica, Chinese Academy of Science, Shanghai 201203, China;
| | - Yiming Li
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; (D.Z.); (J.L.); (D.R.); (Q.J.); (K.C.)
- Correspondence: (Y.L.); (R.W.); Tel.: +86-21-5132-2191 (Y.L.); +86-21-5132-2181 (R.W.); Fax: +86-21-5132-2193 (Y.L. & R.W.)
| | - Rui Wang
- School of Pharmacy, Shanghai University of Traditional Chinese Medicine, Shanghai 201203, China; (D.Z.); (J.L.); (D.R.); (Q.J.); (K.C.)
- Correspondence: (Y.L.); (R.W.); Tel.: +86-21-5132-2191 (Y.L.); +86-21-5132-2181 (R.W.); Fax: +86-21-5132-2193 (Y.L. & R.W.)
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24
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Alkaloid Enantiomers from the Roots of Isatis indigotica. Molecules 2019; 24:molecules24173140. [PMID: 31470525 PMCID: PMC6749297 DOI: 10.3390/molecules24173140] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2019] [Revised: 08/16/2019] [Accepted: 08/28/2019] [Indexed: 02/03/2023] Open
Abstract
Five pairs of alkaloid enantiomers (1a/1b–5a/5b) were obtained from Isatis indigotica (I. indigotica) roots. Among them, 1a/1b, 2a/2b and 3a/3b were determined as three pairs of new alkaloid enantiomers. Their structures were elucidated by physicochemical properties and spectroscopic methods. The absolute configurations were deduced by comparison of their experimental circular dichroism (CD) and calculated electronic circular dichroism (ECD) spectra, as well as by single-crystal X-ray crystallography using anomalous scattering of Cu Kα radiation. Alkaloids 1a and 1b possess an unpresented carbon skeleton and their putative biosynthetic pathways are discussed. Moreover, all of the alkaloids were tested for their nitric oxide (NO) inhibitory effects in RAW 264.7 cells, and 4a and 4b showed inhibitory effects with IC50 values of 76.97 μM and 65.88 μM, respectively.
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25
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Synthesis of Hexahydrospiro[pyrazolo[3,4
‐b
]quinoline‐4,1′‐pyrrolo[3,2,1‐
ij
]quinoline‐2′,5(1
H
,4′H)‐diones] from 5,6‐dihydro‐4
H
‐pyrrolo[3,2,1‐
ij
]quinoline‐1,2‐dione Using Fe
3
O
4
@Cu(OH)
x
as a Nanocatalyst. J Heterocycl Chem 2019. [DOI: 10.1002/jhet.3579] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
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26
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Casertano M, Imperatore C, Luciano P, Aiello A, Putra MY, Gimmelli R, Ruberti G, Menna M. Chemical Investigation of the Indonesian Tunicate Polycarpa aurata and Evaluation of the Effects Against Schistosoma mansoni of the Novel Alkaloids Polyaurines A and B. Mar Drugs 2019; 17:md17050278. [PMID: 31083316 PMCID: PMC6562961 DOI: 10.3390/md17050278] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2019] [Revised: 05/06/2019] [Accepted: 05/07/2019] [Indexed: 12/20/2022] Open
Abstract
A deep study of the metabolic content of the tunicate Polycarpa aurata, collected from Indonesian coast, afforded the isolation of two novel alkaloids, polyaurines A (1) and B (2), along with two new p-substituted benzoyl derivatives (3 and 4) and four known compounds (5–8). The structural elucidation of the new secondary metabolites was assigned by 1D, 2D NMR, and HRESIMS techniques. Computational studies resulted a useful tool to unambiguously determine in polyaurine B the presence of rarely found 1,2,4-thiadiazole ring. The effects of polyaurines A and B on mammalian cells growth and on the viability of different blood-dwelling Schistosoma mansoni (phylum: Platyhelminthes) stages, as well as egg production, were evaluated. Both compounds resulted not cytotoxic; interestingly some of the eggs produced by polyaurine A-treated adult pairs in vitro are smaller, deformed, and/or fragmented; therefore, polyaurine A could represent an interesting bioactive natural molecule to be further investigated.
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Affiliation(s)
- Marcello Casertano
- The NeaNat Group, Department of Pharmacy, University of Naples "Federico II", Via D. Montesano 49, 80131 Napoli, Italy.
| | - Concetta Imperatore
- The NeaNat Group, Department of Pharmacy, University of Naples "Federico II", Via D. Montesano 49, 80131 Napoli, Italy.
| | - Paolo Luciano
- The NeaNat Group, Department of Pharmacy, University of Naples "Federico II", Via D. Montesano 49, 80131 Napoli, Italy.
| | - Anna Aiello
- The NeaNat Group, Department of Pharmacy, University of Naples "Federico II", Via D. Montesano 49, 80131 Napoli, Italy.
| | - Masteria Yunovilsa Putra
- Research Center for Oceanography, Indonesian Institute of Sciences, Jl Pasir Putih Raya 1, DKI Jakarta 14430, Indonesia.
| | - Roberto Gimmelli
- Institute of Cell Biology and Neurobiology, National Research Council, Campus A. Buzzati-Traverso, Via E. Ramarini, 32, 00015 Monterotondo (Roma), Italy.
| | - Giovina Ruberti
- Institute of Cell Biology and Neurobiology, National Research Council, Campus A. Buzzati-Traverso, Via E. Ramarini, 32, 00015 Monterotondo (Roma), Italy.
| | - Marialuisa Menna
- The NeaNat Group, Department of Pharmacy, University of Naples "Federico II", Via D. Montesano 49, 80131 Napoli, Italy.
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27
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Serban G. Future Prospects in the Treatment of Parasitic Diseases: 2-Amino-1,3,4-Thiadiazoles in Leishmaniasis. Molecules 2019; 24:E1557. [PMID: 31010226 PMCID: PMC6514673 DOI: 10.3390/molecules24081557] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2019] [Revised: 04/14/2019] [Accepted: 04/17/2019] [Indexed: 02/08/2023] Open
Abstract
Neglected tropical diseases affect the lives of a billion people worldwide. Among them, the parasitic infections caused by protozoan parasites of the Trypanosomatidae family have a huge impact on human health. Leishmaniasis, caused by Leishmania spp., is an endemic parasitic disease in over 88 countries and is closely associated with poverty. Although significant advances have been made in the treatment of leishmaniasis over the last decade, currently available chemotherapy is far from satisfactory. The lack of an approved vaccine, effective medication and significant drug resistance worldwide had led to considerable interest in discovering new, inexpensive, efficient and safe antileishmanial agents. 1,3,4-Thiadiazole rings are found in biologically active natural products and medicinally important synthetic compounds. The thiadiazole ring exhibits several specific properties: it is a bioisostere of pyrimidine or benzene rings with prevalence in biologically active compounds; the sulfur atom increases lipophilicity and combined with the mesoionic character of thiadiazoles imparts good oral absorption and good cell permeability, resulting in good bioavailability. This review presents synthetic 2-amino-1,3,4-thiadiazole derivatives with antileishmanial activity. Many reported derivatives can be considered as lead compounds for the synthesis of future agents as an alternative to the treatment of leishmaniasis.
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Affiliation(s)
- Georgeta Serban
- Pharmaceutical Chemistry Department, Faculty of Medicine and Pharmacy, University of Oradea, 29 Nicolae Jiga, 410028 Oradea, Romania.
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28
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Shi ZF, Xu LN, Chen J, Luo HX, Zhang J, Cao XP. Access to Sulfides through Free Radical Reaction of Vinyl Halides with Thiols. ASIAN J ORG CHEM 2019. [DOI: 10.1002/ajoc.201800575] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Affiliation(s)
- Zi-Fa Shi
- State Key Laboratory of Applied Organic Chemistry & College of Chemistry and Chemical Engineering; Lanzhou University; 222 Tianshui Road Lanzhou 730000 China
| | - Li-Ning Xu
- State Key Laboratory of Applied Organic Chemistry & College of Chemistry and Chemical Engineering; Lanzhou University; 222 Tianshui Road Lanzhou 730000 China
| | - Jie Chen
- State Key Laboratory of Applied Organic Chemistry & College of Chemistry and Chemical Engineering; Lanzhou University; 222 Tianshui Road Lanzhou 730000 China
| | - Hui-Xing Luo
- State Key Laboratory of Applied Organic Chemistry & College of Chemistry and Chemical Engineering; Lanzhou University; 222 Tianshui Road Lanzhou 730000 China
| | - Juntao Zhang
- State Key Laboratory of Applied Organic Chemistry & College of Chemistry and Chemical Engineering; Lanzhou University; 222 Tianshui Road Lanzhou 730000 China
| | - Xiao-Ping Cao
- State Key Laboratory of Applied Organic Chemistry & College of Chemistry and Chemical Engineering; Lanzhou University; 222 Tianshui Road Lanzhou 730000 China
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29
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Guo Q, Xu C, Chen M, Lin S, Li Y, Zhu C, Jiang J, Yang Y, Shi J. Sulfur-enriched alkaloids from the root of Isatis indigotica. Acta Pharm Sin B 2018; 8:933-943. [PMID: 30505662 PMCID: PMC6251858 DOI: 10.1016/j.apsb.2018.08.005] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2018] [Revised: 08/03/2018] [Accepted: 08/09/2018] [Indexed: 11/30/2022] Open
Abstract
Five new sulfur-enriched alkaloids isatithioetherins A-E (1-5), and two pairs of scalemic enantiomers (+)- and (-)-isatithiopyrin B (6a and 6b) and isoepigoitrin and isogoitrin (7a and 7b), along with the known scalemic enantiomers epigoitrin and goitrin (8a and 8b), were isolated and characterized from an aqueous extract of the Isatis indigotica roots. Their structures were determined by extensive spectroscopic data analysis, including 2D NMR and theoretical calculations of electronic circular dichroism (ECD) spectra based on the quantum-mechanical time-dependent density functional theory (TDDFT). Compounds 1-5 represent a novel group of sulfur-enriched alkaloids, biogenetically originating from stereoselective assemblies of epigoitrin-derived units. Isolation and structure characterization of 6a and 6b support the postulated biosynthetic pathways for the diastereomers 9a and 9b via a rare thio-Diels-Alder reaction. Compounds 2 and 4 showed antiviral activity against the influenza virus A/Hanfang/359/95 (H3N2, IC50 0.60 and 1.92 μmol/L) and the herpes simplex virus 1 (HSV-1, IC50 3.70 and 2.87 μmol/L), and 2 also inhibited Coxsackie virus B3 (IC50 0.71 μmol/L).
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Affiliation(s)
- Qinglan Guo
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Chengbo Xu
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Minghua Chen
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Sheng Lin
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Yuhuan Li
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Chenggen Zhu
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Jiandong Jiang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Yongchun Yang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
| | - Jiangong Shi
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing 100050, China
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30
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Liu F, Wang YN, Li Y, Ma SG, Qu J, Liu YB, Niu CS, Tang ZH, Li YH, Li L, Yu SS. Minor Nortriterpenoids from the Twigs and Leaves of Rhododendron latoucheae. JOURNAL OF NATURAL PRODUCTS 2018; 81:1721-1733. [PMID: 30106288 DOI: 10.1021/acs.jnatprod.7b01074] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
A hyphenated NMR technique (analytical HPLC with a DAD connected to MS, SPE, and NMR) has proven effective for the full structural analysis and identification of minor natural products in complex mixtures. Application of this hyphenated technique to the CH2Cl2-soluble fraction of Rhododendron latoucheae led to the identification of 15 new minor ursane-type 28-nortriterpenoids (1-15). Compounds 1 and 12 inhibited HSV-1 with IC50 values of 6.4 and 0.4 μM, respectively.
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31
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Meng L, Guo Q, Chen M, Jiang J, Li Y, Shi J. Isatindolignanoside A, a glucosidic indole-lignan conjugate from an aqueous extract of the Isatis indigotica roots. CHINESE CHEM LETT 2018. [DOI: 10.1016/j.cclet.2017.12.001] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/18/2022]
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32
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Davison EK, Hume PA, Sperry J. Total Synthesis of an Isatis indigotica-Derived Alkaloid Using a Biomimetic Thio-Diels–Alder Reaction. Org Lett 2018; 20:3545-3548. [DOI: 10.1021/acs.orglett.8b01321] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Affiliation(s)
- Emma K. Davison
- School of Chemical Sciences, University of Auckland, 23 Symonds Street, Auckland, New Zealand
| | - Paul A. Hume
- School of Chemical Sciences, University of Auckland, 23 Symonds Street, Auckland, New Zealand
| | - Jonathan Sperry
- School of Chemical Sciences, University of Auckland, 23 Symonds Street, Auckland, New Zealand
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33
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Liu SF, Zhang YY, Zhou L, Lin B, Huang XX, Wang XB, Song SJ. Alkaloids with neuroprotective effects from the leaves of Isatis indigotica collected in the Anhui Province, China. PHYTOCHEMISTRY 2018; 149:132-139. [PMID: 29499466 DOI: 10.1016/j.phytochem.2018.02.016] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/27/2017] [Revised: 02/05/2018] [Accepted: 02/23/2018] [Indexed: 06/08/2023]
Abstract
Six undescribed alkaloids, indiforine A-F, together with four known ones, were isolated from the leaves of Isatis indigotica Fortune. Their structures were elucidated on the basis of extensive spectroscopic analyses. The absolute configurations of indiforine A and B were determined by comparison of the experimental and calculated electronic circular dichroism spectra, as well as experimental and calculated optical rotations. The isolated alkaloids were evaluated for their neuroprotective activities against H2O2-induced cell injury in human neuroblastoma SH-SY5Y cells. The results showed that in H2O2-induced SH-SY5Y cell injury models, indiforine A and B exhibited potent neuroprotective activities. Further investigation of the most potent indiforine A by Hoechst 33258 staining and Annexin V/PI analysis demonstrated that it could protect SH-SY5Y cells from oxidative damage through inhibiting cell apoptosis.
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Affiliation(s)
- Si-Fan Liu
- School of Traditional Chinese Materia Medica, Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang 110016, People's Republic of China; Chinese People's Liberation Army 210 Hospital, Dalian 116021, People's Republic of China
| | - Ying-Ying Zhang
- School of Traditional Chinese Materia Medica, Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang 110016, People's Republic of China; Chinese People's Liberation Army 210 Hospital, Dalian 116021, People's Republic of China
| | - Le Zhou
- School of Traditional Chinese Materia Medica, Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang 110016, People's Republic of China
| | - Bin Lin
- School of Pharmaceutical Engineering, Shenyang Pharmaceutical University, People's Republic of China
| | - Xiao-Xiao Huang
- School of Traditional Chinese Materia Medica, Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang 110016, People's Republic of China; Chinese People's Liberation Army 210 Hospital, Dalian 116021, People's Republic of China.
| | - Xiao-Bo Wang
- Chinese People's Liberation Army 210 Hospital, Dalian 116021, People's Republic of China.
| | - Shao-Jiang Song
- School of Traditional Chinese Materia Medica, Key Laboratory of Structure-Based Drug Design and Discovery, Ministry of Education, Shenyang Pharmaceutical University, Shenyang 110016, People's Republic of China.
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34
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Saatluo BE, Baradarani MM, Joule JA. Hexahydrospiro-pyrazolo[3,4-b
]pyridine-4,1′-pyrrolo[3,2,1-ij
]quinolines Derived from 5,6-dihydro-4H
-pyrrolo[3,2,1-ij
]quinoline-1,2-dione. J Heterocycl Chem 2018. [DOI: 10.1002/jhet.3150] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Affiliation(s)
| | | | - John A. Joule
- The School of Chemistry; The University of Manchester; Manchester M13 9PL UK
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35
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Petkowski JJ, Bains W, Seager S. Natural Products Containing a Nitrogen-Sulfur Bond. JOURNAL OF NATURAL PRODUCTS 2018; 81:423-446. [PMID: 29364663 DOI: 10.1021/acs.jnatprod.7b00921] [Citation(s) in RCA: 93] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Only about 100 natural products are known to contain a nitrogen-sulfur (N-S) bond. This review thoroughly categorizes N-S bond-containing compounds by structural class. Information on biological source, biological activity, and biosynthesis is included, if known. We also review the role of N-S bond functional groups as post-translational modifications of amino acids in proteins and peptides, emphasizing their role in the metabolism of the cell.
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Affiliation(s)
- Janusz J Petkowski
- Department of Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology , 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
| | - William Bains
- Rufus Scientific , 37 The Moor, Melbourn, Royston, Herts SG8 6ED, U.K
| | - Sara Seager
- Department of Earth, Atmospheric, and Planetary Sciences, Massachusetts Institute of Technology , 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
- Department of Physics, Massachusetts Institute of Technology , 77 Massachusetts Avenue, Cambridge, Massachusetts 02139, United States
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36
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Zhang GJ, Li B, Cui HM, Chen L, Tian Y, Liu SJ, Li BW, Li M, Xia ZM, Chen XX, Hou Y, Dong JX. Orychophragines A–C, Three Biologically Active Alkaloids from Orychophragmus violaceus. Org Lett 2018; 20:656-659. [DOI: 10.1021/acs.orglett.7b03801] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Guang-Jie Zhang
- Beijing Institute of Radiation Medicine, Beijing 100850, People’s Republic of China
| | - Bin Li
- Beijing Institute of Radiation Medicine, Beijing 100850, People’s Republic of China
| | - Hui-Min Cui
- Beijing Institute of Radiation Medicine, Beijing 100850, People’s Republic of China
| | - Li Chen
- Beijing Institute of Radiation Medicine, Beijing 100850, People’s Republic of China
| | - Ying Tian
- Beijing Institute of Radiation Medicine, Beijing 100850, People’s Republic of China
| | - Shi-Jun Liu
- Beijing Institute of Radiation Medicine, Beijing 100850, People’s Republic of China
| | - Bo-Wen Li
- Beijing Institute of Radiation Medicine, Beijing 100850, People’s Republic of China
- Beijing University of Technology, Beijing 100124, People’s Republic of China
| | - Min Li
- Beijing Institute of Radiation Medicine, Beijing 100850, People’s Republic of China
| | - Zi-Ming Xia
- Beijing Institute of Radiation Medicine, Beijing 100850, People’s Republic of China
- Guangdong Pharmaceutical University, Guangzhou 510006, People’s Republic of China
| | - Xing-Xiang Chen
- Beijing Institute of Radiation Medicine, Beijing 100850, People’s Republic of China
- Guangdong Pharmaceutical University, Guangzhou 510006, People’s Republic of China
| | - Yong Hou
- Beijing Institute of Radiation Medicine, Beijing 100850, People’s Republic of China
- Anhui Medical University, Hefei 230061, People’s Republic of China
| | - Jun-Xing Dong
- Beijing Institute of Radiation Medicine, Beijing 100850, People’s Republic of China
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37
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Meng LJ, Guo QL, Zhu CG, Xu CB, Shi JG. Isatindigodiphindoside, an alkaloid glycoside with a new diphenylpropylindole skeleton from the root of Isatis indigotica. CHINESE CHEM LETT 2018. [DOI: 10.1016/j.cclet.2017.05.019] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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38
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Liu SF, Lin B, Xi YF, Zhou L, Lou LL, Huang XX, Wang XB, Song SJ. Bioactive spiropyrrolizidine oxindole alkaloid enantiomers from Isatis indigotica Fortune. Org Biomol Chem 2018; 16:9430-9439. [DOI: 10.1039/c8ob02046a] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Four pairs of new alkaloids, isatindigotindoline A–D, were isolated from Isatis indigotica, and were evaluated for their anti-Aβ1–42 aggregation effects.
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Affiliation(s)
- Si-Fan Liu
- School of Traditional Chinese Materia Medica
- Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research & Development
- Liaoning Province
- Shenyang Pharmaceutical University
- Shenyang 110016
| | - Bin Lin
- School of Pharmaceutical Engineering
- Shenyang Pharmaceutical University
- China
| | - Yu-Fei Xi
- School of Traditional Chinese Materia Medica
- Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research & Development
- Liaoning Province
- Shenyang Pharmaceutical University
- Shenyang 110016
| | - Le Zhou
- School of Traditional Chinese Materia Medica
- Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research & Development
- Liaoning Province
- Shenyang Pharmaceutical University
- Shenyang 110016
| | - Li-Li Lou
- School of Traditional Chinese Materia Medica
- Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research & Development
- Liaoning Province
- Shenyang Pharmaceutical University
- Shenyang 110016
| | - Xiao-Xiao Huang
- School of Traditional Chinese Materia Medica
- Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research & Development
- Liaoning Province
- Shenyang Pharmaceutical University
- Shenyang 110016
| | - Xiao-Bo Wang
- Chinese People's Liberation Army 210 Hospital
- Dalian 116021
- People's Republic of China
| | - Shao-Jiang Song
- School of Traditional Chinese Materia Medica
- Key Laboratory of Computational Chemistry-Based Natural Antitumor Drug Research & Development
- Liaoning Province
- Shenyang Pharmaceutical University
- Shenyang 110016
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39
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Zhang X, Chen L, Chai W, Lian XY, Zhang Z. A unique indolizinium alkaloid streptopertusacin A and bioactive bafilomycins from marine-derived Streptomyces sp. HZP-2216E. PHYTOCHEMISTRY 2017; 144:119-126. [PMID: 28923323 DOI: 10.1016/j.phytochem.2017.09.010] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/17/2017] [Revised: 09/09/2017] [Accepted: 09/12/2017] [Indexed: 06/07/2023]
Abstract
Streptopertusacin A, a unique indolizinium alkaloid existing as a zwitterion, and six bafilomycins including two previously undescribed ones of 21,22-en-bafilomycin D and 21,22-en-9-hydroxybafilomycin D were isolated from a culture of the seaweed-derived Streptomyces sp. HZP-2216E. Structures of these isolated compounds were determined based on extensive NMR spectroscopic analyses, HRESIMS and MS-MS data. The stereochemical assignments were achieved by NOE information, chemical degradation, Marfey's method, and electronic circular dichroism (ECD) calculation. Streptopertusacin A is the first example of this type of indolizinium alkaloid from microorganisms and showed moderate activity against the growth of methicillin-resistant Staphylococcus aureus (MRSA). 21,22-en-bafilomycin D and 21,22-en-9-hydroxybafilomycin D had potent activities in inhibiting the proliferation of glioma cells and the growth of MRSA.
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Affiliation(s)
- Xiufang Zhang
- Ocean College, Zhoushan Campus, Zhejiang University, Zhoushan 316021, China
| | - Lu Chen
- Ocean College, Zhoushan Campus, Zhejiang University, Zhoushan 316021, China
| | - Weiyun Chai
- Ocean College, Zhoushan Campus, Zhejiang University, Zhoushan 316021, China
| | - Xiao-Yuan Lian
- College of Pharmaceutical Sciences, Zhejiang University, Hangzhou 310058, China.
| | - Zhizhen Zhang
- Ocean College, Zhoushan Campus, Zhejiang University, Zhoushan 316021, China.
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40
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Davison EK, Sperry J. Natural Products with Heteroatom-Rich Ring Systems. JOURNAL OF NATURAL PRODUCTS 2017; 80:3060-3079. [PMID: 29135244 DOI: 10.1021/acs.jnatprod.7b00575] [Citation(s) in RCA: 57] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
This review focuses on all known natural products that contain a "heteroatom-rich" ring system, specifically a five-, six- or seven-membered ring that contains three or more heteroatoms. The isolation and biological activity of these natural products is discussed, along with the biosynthetic processes that Nature employs to assemble these rare heterocyclic frameworks.
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Affiliation(s)
- Emma K Davison
- School of Chemical Sciences, University of Auckland , 23 Symonds Street, Auckland 1142, New Zealand
| | - Jonathan Sperry
- School of Chemical Sciences, University of Auckland , 23 Symonds Street, Auckland 1142, New Zealand
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41
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Meng L, Guo Q, Liu Y, Shi J. 8,4'-Oxyneolignane glucosides from an aqueous extract of "ban lan gen" ( Isatis indigotica root) and their absolute configurations. Acta Pharm Sin B 2017; 7:638-646. [PMID: 29159023 PMCID: PMC5687312 DOI: 10.1016/j.apsb.2017.09.006] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/20/2017] [Revised: 07/19/2017] [Accepted: 09/15/2017] [Indexed: 12/20/2022] Open
Abstract
Three pairs of glycosidic 8,4'-oxyneolignane diastereoisomers, named isatioxyneolignosides A-F (1-6), were isolated from an aqueous extract of Isatis indigotica roots. Their structures and absolute configurations were elucidated by comprehensive spectroscopic data analysis and enzyme hydrolysis. The validity of ΔδC8-C7 values to distinguish threo and erythro aryl glycerol units and Cotton effects at 235±5 nm to determine absolute configurations at C-8 in 1-6 and their aglycones (1a-6a) are discussed.
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Affiliation(s)
| | | | | | - Jiangong Shi
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
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42
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Zhou M, Ma HY, Xing HH, Li P, Li GP, Geng HC, Hu QF, Yang GY. Biomimetic Synthesis of Macahydantoins A and B from Lepidium meyenii, and Structure Revision of Macahydantoin B as a Class of Thiohydantoin with a 4-Methyl-hexahydropyrrolo[1,2-c]imidazole Skeleton. Org Lett 2017; 19:4952-4955. [DOI: 10.1021/acs.orglett.7b02433] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Min Zhou
- Key
Laboratory of Chemistry in Ethnic Medicinal Resources, State Ethnic
Affairs Commission and Ministry of Education, Yunnan Minzu University, Kunming 650031, Yunnan People’s Republic of China
| | - Hang-Ying Ma
- Key
Laboratory of Chemistry in Ethnic Medicinal Resources, State Ethnic
Affairs Commission and Ministry of Education, Yunnan Minzu University, Kunming 650031, Yunnan People’s Republic of China
| | - Huan-Huan Xing
- Key
Laboratory of Chemistry in Ethnic Medicinal Resources, State Ethnic
Affairs Commission and Ministry of Education, Yunnan Minzu University, Kunming 650031, Yunnan People’s Republic of China
| | - Ping Li
- Key
Laboratory of Chemistry in Ethnic Medicinal Resources, State Ethnic
Affairs Commission and Ministry of Education, Yunnan Minzu University, Kunming 650031, Yunnan People’s Republic of China
| | - Gan-Peng Li
- Key
Laboratory of Chemistry in Ethnic Medicinal Resources, State Ethnic
Affairs Commission and Ministry of Education, Yunnan Minzu University, Kunming 650031, Yunnan People’s Republic of China
| | - Hui-Chun Geng
- Institute
of Quality Standard and Testing Technology, Yunnan Academy of Agricultural Science, Kunming 650223, Yunnan People’s Republic of China
| | - Qiu-Fen Hu
- Key
Laboratory of Chemistry in Ethnic Medicinal Resources, State Ethnic
Affairs Commission and Ministry of Education, Yunnan Minzu University, Kunming 650031, Yunnan People’s Republic of China
| | - Guang-Yu Yang
- Key
Laboratory of Tobacco Chemistry of Yunnan Province, China Tobacco Yunnan Industrial Co., Ltd, Kunming 650231, Yunnan People’s Republic of China
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Rhodoterpenoids A‒C, Three New Rearranged Triterpenoids from Rhododendron latoucheae by HPLC‒MS‒SPE‒NMR. Sci Rep 2017; 7:7944. [PMID: 28801631 PMCID: PMC5554136 DOI: 10.1038/s41598-017-06320-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/10/2017] [Accepted: 06/09/2017] [Indexed: 11/12/2022] Open
Abstract
Rhodoterpenoids A‒C (1‒3), three new rearranged triterpenoids, together with one new biogenetically related compound, rhodoterpenoid D (4), were isolated and efficiently elucidated from Rhododendron latoucheae by high-performance liquid chromatography−mass spectrometry−solid-phase extraction−nuclear magnetic resonance (HPLC‒MS‒SPE‒NMR). Compounds 1 and 2 possess an unprecedented skeleton with a 5/7/6/6/6-fused pentacyclic ring system, while compound 3 contains a unique 6/7/6/6/6-fused pentacyclic carbon backbone. Their structures were determined by extensive spectroscopic methods and electronic circular dichroism (ECD) analyses. Plausible biogenetic pathways for 1‒4 were proposed. Compounds 1 and 4 showed potential activity against herpes simplex virus 1 (HSV-1) with IC50 values of 8.62 and 6.87 μM, respectively.
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44
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Meng LJ, Guo QL, Xu CB, Zhu CG, Liu YF, Chen MH, Lin S, Li YH, Jiang JD, Shi JG. Diglycosidic indole alkaloid derivatives from an aqueous extract of Isatis indigotica roots. JOURNAL OF ASIAN NATURAL PRODUCTS RESEARCH 2017; 19:529-540. [PMID: 28475367 DOI: 10.1080/10286020.2017.1320547] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/03/2023]
Abstract
Six new indole alkaloid diglycosides named isatigotindolediosides A-F (1-6), along with three known analogs (7-9), were isolated from an aqueous extract of the Isatis indigotica roots (ban lan gen). Their structures including the absolute configurations were determined by comprehensive spectroscopic data analysis, combined with enzyme or acid hydrolysis, and comparison of experimental circular dichroism (CD) and calculated electronic circular dichroism (ECD) spectra. In the preliminary assays, compounds 3, 5, and 8 showed antiviral activity against Coxsackie virus B3.
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Affiliation(s)
- Ling-Jie Meng
- a State Key Laboratory of Bioactive Substance and Function of Natural Medicines , Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College , Beijing 100050 , China
| | - Qing-Lan Guo
- a State Key Laboratory of Bioactive Substance and Function of Natural Medicines , Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College , Beijing 100050 , China
| | - Cheng-Bo Xu
- a State Key Laboratory of Bioactive Substance and Function of Natural Medicines , Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College , Beijing 100050 , China
| | - Cheng-Gen Zhu
- a State Key Laboratory of Bioactive Substance and Function of Natural Medicines , Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College , Beijing 100050 , China
| | - Yu-Feng Liu
- a State Key Laboratory of Bioactive Substance and Function of Natural Medicines , Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College , Beijing 100050 , China
| | - Ming-Hua Chen
- a State Key Laboratory of Bioactive Substance and Function of Natural Medicines , Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College , Beijing 100050 , China
| | - Sheng Lin
- a State Key Laboratory of Bioactive Substance and Function of Natural Medicines , Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College , Beijing 100050 , China
| | - Yu-Huan Li
- a State Key Laboratory of Bioactive Substance and Function of Natural Medicines , Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College , Beijing 100050 , China
| | - Jian-Dong Jiang
- a State Key Laboratory of Bioactive Substance and Function of Natural Medicines , Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College , Beijing 100050 , China
| | - Jian-Gong Shi
- a State Key Laboratory of Bioactive Substance and Function of Natural Medicines , Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College , Beijing 100050 , China
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45
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Meng L, Guo Q, Liu Y, Chen M, Li Y, Jiang J, Shi J. Indole alkaloid sulfonic acids from an aqueous extract of Isatis indigotica roots and their antiviral activity. Acta Pharm Sin B 2017; 7:334-341. [PMID: 28540170 PMCID: PMC5430897 DOI: 10.1016/j.apsb.2017.04.003] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/01/2017] [Revised: 04/06/2017] [Accepted: 04/07/2017] [Indexed: 12/18/2022] Open
Abstract
Six new indole alkaloid sulfonic acids (1-6), together with two analogues (7 and 8) that were previously reported as synthetic products, were isolated from an aqueous extract of the Isatis indigotica root. Their structures including the absolute configurations were determined by spectroscopic data analysis, combined with enzyme hydrolysis and comparison of experimental circular dichroism and calculated electronic circular dichroism spectra. In the preliminary assay, compounds 2 and 4 showed antiviral activity against Coxsackie virus B3 and influenza virus A/Hanfang/359/95 (H3N2), respectively.
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Affiliation(s)
- Lingjie Meng
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Qinglan Guo
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Yufeng Liu
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Minghua Chen
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Yuhuan Li
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Jiandong Jiang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Jiangong Shi
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
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46
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Liu Y, Chen M, Guo Q, Li Y, Jiang J, Shi J. Aromatic compounds from an aqueous extract of "ban lan gen" and their antiviral activities. Acta Pharm Sin B 2017; 7:179-184. [PMID: 28303224 PMCID: PMC5343108 DOI: 10.1016/j.apsb.2016.09.004] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2016] [Revised: 07/13/2016] [Accepted: 07/26/2016] [Indexed: 11/18/2022] Open
Abstract
A pair of new diphenyl glycerol ether enantiomers (−)-1 and (+)-1 and two new methyl benzamidobenzoates 2 and 3, named (−)-(R)- and (+)-(S)-isatindigotrioic acid [(−)-1 and (+)-1] and isatindigoticamides A (2) and B (3), respectively, were isolated from an aqueous decoction of the roots of Isatis indigotica (ban lan gen). Their structures were elucidated by spectroscopic data analysis including 2D NMR experiments. The absolute configurations of (−)-1 and (+)-1 were assigned based on the CD exciton chirality method. Compounds 2 and 3 exhibited antiviral activities against HSV-1 with IC50 values of 4.87 and 25.87 μmol/L, respectively. Compound 2 was also found active against Coxsackie virus B3 and LPS-induced NO production.
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Affiliation(s)
- Yufeng Liu
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Department of Pharmacy, Jining Medical University, Jining 272067, China
| | - Minghua Chen
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Qinglan Guo
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Yuhuan Li
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Jiandong Jiang
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Institute of Medicinal Biotechnology, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
| | - Jiangong Shi
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing 100050, China
- Corresponding author. Tel.: +86 1083154789; fax: 86 10 63037757
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47
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Gangarapu K, Thumma G, Manda S, Jallapally A, Jarapula R, Rekulapally S. Design, synthesis and molecular docking of novel structural hybrids of substituted isatin based pyrazoline and thiadiazoline as antitumor agents. Med Chem Res 2017. [DOI: 10.1007/s00044-017-1781-5] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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48
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Wei W, Lin S, Chen M, Liu T, Wang A, Li J, Guo Q, Shang X. Monascustin, an Unusual γ-Lactam from Red Yeast Rice. JOURNAL OF NATURAL PRODUCTS 2017; 80:201-204. [PMID: 28026946 DOI: 10.1021/acs.jnatprod.6b00493] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
Monascustin (1), an unusual γ-lactam, was isolated from an ethanol extract of the Monascus purpureus fermented rice. Its structure including the absolute configuration was determined by spectroscopic data analysis and confirmed by X-ray crystallography. A plausible biosynthetic pathway is discussed on the basis of amino acid derivatization. Compound 1 showed inhibitory activity against histone deacetylase 1.
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Affiliation(s)
- Wendi Wei
- Beiijing Key Laboratory of Bioactive Substances and Functional Foods, Beijing Union University , Beijing 100191, People's Republic of China
| | - Sheng Lin
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College , Beijing 100050, People's Republic of China
| | - Minghua Chen
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College , Beijing 100050, People's Republic of China
| | - Tianxi Liu
- Lanzhou University First Affiliated Hospital , Gansu 730000, People's Republic of China
| | - Ali Wang
- Beiijing Key Laboratory of Bioactive Substances and Functional Foods, Beijing Union University , Beijing 100191, People's Republic of China
| | - Jinjie Li
- Beiijing Key Laboratory of Bioactive Substances and Functional Foods, Beijing Union University , Beijing 100191, People's Republic of China
| | - Qinglan Guo
- State Key Laboratory of Bioactive Substance and Function of Natural Medicines, Institute of Materia Medica, Chinese Academy of Medical Sciences and Peking Union Medical College , Beijing 100050, People's Republic of China
| | - Xiaoya Shang
- Beiijing Key Laboratory of Bioactive Substances and Functional Foods, Beijing Union University , Beijing 100191, People's Republic of China
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50
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Abstract
Antiviral therapeutics with profiles of high potency, low resistance, panserotype, and low toxicity remain challenging, and obtaining such agents continues to be an active area of therapeutic development. Due to their unique three-dimensional structural features, spirooxindoles have been identified as privileged chemotypes for antiviral drug development. Among them, spiro-pyrazolopyridone oxindoles have been recently reported as potent inhibitors of dengue virus NS4B, leading to the discovery of an orally bioavailable preclinical candidate (R)-44 with excellent in vivo efficacy in a dengue viremia mouse model. This review highlights recent advances in the development of biologically active spirooxindoles for their antiviral potential, primarily focusing on the structure-activity relationships (SARs) and modes of action, as well as future directions to achieve more potent analogues toward a viable antiviral therapy.
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Affiliation(s)
- Na Ye
- Chemical Biology Program, Department of Pharmacology and Toxicology, University of Texas Medical Branch, 301 University Boulevard, Galveston, Texas 77555, United States
| | - Haiying Chen
- Chemical Biology Program, Department of Pharmacology and Toxicology, University of Texas Medical Branch, 301 University Boulevard, Galveston, Texas 77555, United States
| | - Eric A. Wold
- Chemical Biology Program, Department of Pharmacology and Toxicology, University of Texas Medical Branch, 301 University Boulevard, Galveston, Texas 77555, United States
| | - Pei-Yong Shi
- Chemical Biology Program, Department of Pharmacology and Toxicology, University of Texas Medical Branch, 301 University Boulevard, Galveston, Texas 77555, United States
- Department of Biochemistry & Molecular Biology, University of Texas Medical Branch, 301 University Boulevard, Galveston, Texas 77555, United States
- Sealy Center for Structural Biology & Molecular Biophysics, University of Texas Medical Branch, 301 University Boulevard, Galveston, Texas 77555, United States
| | - Jia Zhou
- Chemical Biology Program, Department of Pharmacology and Toxicology, University of Texas Medical Branch, 301 University Boulevard, Galveston, Texas 77555, United States
- Center for Biodefense and Emerging Infectious Diseases, University of Texas Medical Branch, 301 University Boulevard, Galveston, Texas 77555, United States
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