1
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Yanagihara M, Murai K, Kishimoto N, Abe T, Misumi S, Arisawa M. Total Synthesis and Biological Evaluation of the Potent HIV Latency-Reversing Agent Ansellone A and its Analogues. Org Lett 2021; 23:1720-1725. [PMID: 33570413 DOI: 10.1021/acs.orglett.1c00151] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
The total synthesis and biological evaluation of the marine sesterterpenoid ansellone A (1), an HIV latency-reversing agent, and its analogues are reported. The key to the success of this synthetic route is a Prins cyclization reaction enabled by the strategic use of the TfO group for stabilization of the acid-labile tertiary allylic alcohol. The SAR study found the alcohol analogue to exhibit more potent activity than 1.
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Affiliation(s)
- Mizushi Yanagihara
- Graduate School of Pharmaceutical Sciences, Osaka University, Suita, Osaka 565-0871, Japan
| | - Kenichi Murai
- Graduate School of Pharmaceutical Sciences, Osaka University, Suita, Osaka 565-0871, Japan
| | - Naoki Kishimoto
- Department of Environmental and Molecular Health Sciences, Faculty of Medical and Pharmaceutical Sciences, Kumamoto University, Kumamoto 862-0973, Japan
| | - Towa Abe
- Department of Environmental and Molecular Health Sciences, Faculty of Medical and Pharmaceutical Sciences, Kumamoto University, Kumamoto 862-0973, Japan
| | - Shogo Misumi
- Department of Environmental and Molecular Health Sciences, Faculty of Medical and Pharmaceutical Sciences, Kumamoto University, Kumamoto 862-0973, Japan
| | - Mitsuhiro Arisawa
- Graduate School of Pharmaceutical Sciences, Osaka University, Suita, Osaka 565-0871, Japan
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2
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Wei J, Liu R, Hu X, Liang T, Zhou Z, Huang Z. MAPK signaling pathway-targeted marine compounds in cancer therapy. J Cancer Res Clin Oncol 2021; 147:3-22. [PMID: 33389079 DOI: 10.1007/s00432-020-03460-y] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2020] [Accepted: 11/06/2020] [Indexed: 12/24/2022]
Abstract
PURPOSE This paper reviews marine compounds that target the mitogen-activated protein kinase (MAPK) signaling pathway and their main sources, chemical structures, major targeted cancers and possible mechanisms to provide comprehensive and basic information for the development of marine compound-based antitumor drugs in clinical cancer therapy research. METHODS This paper searched the PubMed database using the keywords "cancer", "marine*" and "MAPK signaling pathway"; this search was supplemented by the literature-tracing method. The marine compounds screened for review in this paper are pure compounds with a chemical structure and have antitumor effects on more than one tumor cell line by targeting the MAPK signaling pathway. The PubChem database was used to search for the PubMed CID and draw the chemical structures of the marine compounds. RESULTS A total of 128 studies were searched, and 32 marine compounds with unique structures from extensive sources were collected for this review. These compounds are cytotoxic to cancer cell lines, although their targets are still unclear. This paper describes their anticancer effect mechanisms and the protein expression changes in the MAPK pathway induced by these marine compound treatments. This review is the first to highlight MAPK signaling pathway-targeted marine compounds and their use in cancer therapy. CONCLUSION The MAPK signaling pathway is a promising potential target for cancer therapy. Searching for marine compounds that exert anticancer effects by targeting the MAPK signaling pathway and developing them into new marine anticancer drugs will be beneficial for cancer treatment.
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Affiliation(s)
- Jiaen Wei
- Key Laboratory of Big Data Mining and Precision Drug Design of Guangdong Medical University, Key Laboratory for Research and Development of Natural Drugs of Guangdong Province, School of Pharmacy, Guangdong Medical University, No. 1 Xincheng Road, Dongguan, 523808, Guangdong, China
| | - Ruining Liu
- Key Laboratory of Big Data Mining and Precision Drug Design of Guangdong Medical University, Key Laboratory for Research and Development of Natural Drugs of Guangdong Province, School of Pharmacy, Guangdong Medical University, No. 1 Xincheng Road, Dongguan, 523808, Guangdong, China
| | - Xiyun Hu
- Key Laboratory of Big Data Mining and Precision Drug Design of Guangdong Medical University, Key Laboratory for Research and Development of Natural Drugs of Guangdong Province, School of Pharmacy, Guangdong Medical University, No. 1 Xincheng Road, Dongguan, 523808, Guangdong, China
| | - Tingen Liang
- Key Laboratory of Big Data Mining and Precision Drug Design of Guangdong Medical University, Key Laboratory for Research and Development of Natural Drugs of Guangdong Province, School of Pharmacy, Guangdong Medical University, No. 1 Xincheng Road, Dongguan, 523808, Guangdong, China
| | - Zhiran Zhou
- Key Laboratory of Big Data Mining and Precision Drug Design of Guangdong Medical University, Key Laboratory for Research and Development of Natural Drugs of Guangdong Province, School of Pharmacy, Guangdong Medical University, No. 1 Xincheng Road, Dongguan, 523808, Guangdong, China
| | - Zunnan Huang
- Key Laboratory of Big Data Mining and Precision Drug Design of Guangdong Medical University, Key Laboratory for Research and Development of Natural Drugs of Guangdong Province, School of Pharmacy, Guangdong Medical University, No. 1 Xincheng Road, Dongguan, 523808, Guangdong, China. .,Marine Medical Research Institute of Guangdong Zhanjiang, Zhanjiang, 524023, Guangdong, China.
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3
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Protein kinases as targets for developing anticancer agents from marine organisms. Biochim Biophys Acta Gen Subj 2020; 1865:129759. [PMID: 33038451 DOI: 10.1016/j.bbagen.2020.129759] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 09/03/2020] [Accepted: 10/03/2020] [Indexed: 01/11/2023]
Abstract
Protein kinases play a fundamental role in the intracellular transduction because of their ability to phosphorylate plethora of proteins. Over the past three decades, numerous protein kinase inhibitors have been identified and are being used clinically successfully. The biodiversity of marine organisms provides a rich source for the discovery and development of novel anticancer agents in the treatment of human malignancies and a lot of bioactive ingredients from marine organisms display anticancer effects by affecting the protein kinases-mediated pathways. In the present mini-review, anticancer compounds from marine source were reviewed and discussed in context of their targeted pathways associated with protein kinases and the progress of these compounds as anticancer agents in recent five years were emphasized. The molecular entities and their modes of actions were presented. We focused on protein kinases-mediated signaling pathways including PI3K/Akt/mTOR, p38 MAPK, and EGFR. The marine compounds targeting special pathways of protein kinases were highlighted. We have also discussed the existing challenges and prospects related to design and development of novel protein kinase inhibitors from marine sources.
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4
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Tao E, Inoue M, Jeong T, Kim IS, Yoshimitsu T. Total Synthesis of (±)-Liphagal via Organic-Redox-Driven Palladium-Catalyzed Hydroxybenzofuran Formation. J Org Chem 2020; 85:9064-9070. [PMID: 32597646 DOI: 10.1021/acs.joc.0c00965] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A synthetic route to liphagal, a natural PI3Kα inhibitor isolated from Aka coralliphaga, was established. The present route features an organic redox process where an alkynylquinone undergoes reductive cyclization in the presence of a hydroquinone derivative such as hydroxyquinol (1,2,4-benzenetriol) and catalytic PdCl2 to provide a substituted benzofuran suitable for accessing the natural product. The benzofuran formation takes place via the redox transformation between the alkynylquinone and the electron-rich hydroquinones followed by the concomitant Pd(II)-catalyzed oxycyclization of the resultant alkynylhydroquinone.
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Affiliation(s)
- Eriko Tao
- Division of Pharmaceutical Sciences, Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama University, 1-1-1 Tsushima-naka, Kita-ku, Okayama 700-8530, Japan
| | - Masaki Inoue
- Division of Pharmaceutical Sciences, Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama University, 1-1-1 Tsushima-naka, Kita-ku, Okayama 700-8530, Japan
| | - Taejoo Jeong
- Division of Pharmaceutical Sciences, Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama University, 1-1-1 Tsushima-naka, Kita-ku, Okayama 700-8530, Japan.,School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - In Su Kim
- School of Pharmacy, Sungkyunkwan University, Suwon 16419, Republic of Korea
| | - Takehiko Yoshimitsu
- Division of Pharmaceutical Sciences, Graduate School of Medicine, Dentistry, and Pharmaceutical Sciences, Okayama University, 1-1-1 Tsushima-naka, Kita-ku, Okayama 700-8530, Japan
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5
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Konya M, Shimoyama K, Arima S, Fukuda T, Uchida R, Tomoda H, Nagamitsu T. Synthesis and Absolute Configuration of Habiterpenol. Org Lett 2020; 22:5131-5134. [DOI: 10.1021/acs.orglett.0c01736] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Miyuki Konya
- Laboratory of Synthetic Natural Products Chemistry and Medicinal Research Laboratories, School of Pharmacy, Kitasato University, 5-9-1 Shirokane, Minato-ku, Tokyo 108-8641, Japan
| | - Kenta Shimoyama
- Laboratory of Synthetic Natural Products Chemistry and Medicinal Research Laboratories, School of Pharmacy, Kitasato University, 5-9-1 Shirokane, Minato-ku, Tokyo 108-8641, Japan
| | - Shiho Arima
- Laboratory of Synthetic Natural Products Chemistry and Medicinal Research Laboratories, School of Pharmacy, Kitasato University, 5-9-1 Shirokane, Minato-ku, Tokyo 108-8641, Japan
| | - Takashi Fukuda
- Laboratory of Aquatic Food Science, Department of Fisheries, Faculty of Agriculture, Kindai University, 3327-204 Nakamachi, Nara 631-8505, Japan
| | - Ryuji Uchida
- Faculty of Pharmaceutical Sciences, Tohoku Medical and Pharmaceutical University, 4-4-1 Komatsushima, Nara 631-8505, Japan
| | - Hiroshi Tomoda
- Laboratory of Microbial Chemistry and Medicinal Research Laboratories, School of Pharmacy, Kitasato University, 5-9-1 Shirokane, Minato-ku, Tokyo 108-8641, Japan
| | - Tohru Nagamitsu
- Laboratory of Synthetic Natural Products Chemistry and Medicinal Research Laboratories, School of Pharmacy, Kitasato University, 5-9-1 Shirokane, Minato-ku, Tokyo 108-8641, Japan
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6
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Zhang L, Cao T, Jiang H, Zhu S. Deconstructive Reorganization: De Novo Synthesis of Hydroxylated Benzofuran. Angew Chem Int Ed Engl 2020. [DOI: 10.1002/ange.201915212] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Ling Zhang
- Key Laboratory of Functional Molecular Engineering of Guangdong ProvinceSchool of Chemistry and Chemical EngineeringSouth China University of Technology 510640 Guangzhou China
| | - Tongxiang Cao
- Key Laboratory of Functional Molecular Engineering of Guangdong ProvinceSchool of Chemistry and Chemical EngineeringSouth China University of Technology 510640 Guangzhou China
| | - Huanfeng Jiang
- Key Laboratory of Functional Molecular Engineering of Guangdong ProvinceSchool of Chemistry and Chemical EngineeringSouth China University of Technology 510640 Guangzhou China
| | - Shifa Zhu
- Key Laboratory of Functional Molecular Engineering of Guangdong ProvinceSchool of Chemistry and Chemical EngineeringSouth China University of Technology 510640 Guangzhou China
- State Key Laboratory of Elemento-Organic ChemistryNankai University 300071 Tianjing China
- Singfar Laboratories 510670 Guangzhou China
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7
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Zhang L, Cao T, Jiang H, Zhu S. Deconstructive Reorganization: De Novo Synthesis of Hydroxylated Benzofuran. Angew Chem Int Ed Engl 2020; 59:4670-4677. [PMID: 31961991 DOI: 10.1002/anie.201915212] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2019] [Revised: 01/18/2020] [Indexed: 12/26/2022]
Abstract
An unprecedented deconstructive reorganization strategy for the de novo synthesis of hydroxylated benzofurans from kojic acid- or maltol-derived alkynes is reported. In this reaction, both the benzene and furan rings were simultaneously constructed, whereas the pyrone moiety of the kojic acid or maltol was deconstructed and then reorganized into the benzene ring as a six-carbon component. Through this strategy, at least one free hydroxyl group was introduced into the benzene ring in a substitution-pattern tunable fashion without protection-deprotection and redox adjustment. With this method, a large number of hydroxylated benzofuran derivatives with different substitution-patterns have been prepared efficiently. This methodology has also been shown as the key step in a collective total synthesis of hydroxylated benzofuran-containing natural products (11 examples).
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Affiliation(s)
- Ling Zhang
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, 510640, Guangzhou, China
| | - Tongxiang Cao
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, 510640, Guangzhou, China
| | - Huanfeng Jiang
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, 510640, Guangzhou, China
| | - Shifa Zhu
- Key Laboratory of Functional Molecular Engineering of Guangdong Province, School of Chemistry and Chemical Engineering, South China University of Technology, 510640, Guangzhou, China.,State Key Laboratory of Elemento-Organic Chemistry, Nankai University, 300071, Tianjing, China.,Singfar Laboratories, 510670, Guangzhou, China
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8
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Gil JA, Arias F, Chahboun R, Alvarez-Manzaneda E. Synthesis of Cyclosiphonodictyol A and Its Bis(sulfato). J Org Chem 2020; 85:3799-3805. [DOI: 10.1021/acs.joc.9b03434] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Juan A. Gil
- Departamento de Quı́mica Orgánica, Facultad de Ciencias, Instituto de Biotecnologı́a, Universidad de Granada, 18071 Granada, Spain
| | - Fabio Arias
- Departamento de Quı́mica Orgánica, Facultad de Ciencias, Instituto de Biotecnologı́a, Universidad de Granada, 18071 Granada, Spain
| | - Rachid Chahboun
- Departamento de Quı́mica Orgánica, Facultad de Ciencias, Instituto de Biotecnologı́a, Universidad de Granada, 18071 Granada, Spain
| | - Enrique Alvarez-Manzaneda
- Departamento de Quı́mica Orgánica, Facultad de Ciencias, Instituto de Biotecnologı́a, Universidad de Granada, 18071 Granada, Spain
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9
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Chikamatsu S, Saijo K, Imai H, Narita K, Kawamura Y, Katoh T, Ishioka C. In Vitro and in Vivo antitumor activity and the mechanism of siphonodictyal B in human colon cancer cells. Cancer Med 2019; 8:5662-5672. [PMID: 31364822 PMCID: PMC6745845 DOI: 10.1002/cam4.2409] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2018] [Revised: 06/23/2019] [Accepted: 06/25/2019] [Indexed: 12/28/2022] Open
Abstract
Liphagal, isolated from the marine sponge Aka coralliphaga, exhibits phosphatidylinositol 3‐kinase alpha (PI3Kα) inhibitory activity and cytotoxic effects in human cancer cells. Siphonodictyal B, the biogenetic precursor of liphagal, also has PI3K inhibitory activity. However, its cytotoxic or antitumor activities have not been evaluated. In this study, we demonstrated that siphonodictyal B inhibits several kinases such as CDK4/6, CDK7, and PIM2 in addition to PI3K in vitro and that siphonodictyal B exhibits more potent cytotoxic effects than liphagal against human colon cancer cell lines. Furthermore, treatment with siphonodictyal B resulted in increased PARP cleavage, a larger sub‐G1 fraction, and a larger annexin V‐positive cell population, all of which are indicative of apoptosis induction. As a mechanism of apoptosis induction, we found that siphonodictyal B activates the p38 MAPK pathway, leading the upregulation of proapoptotic factors. Moreover, siphonodictyal B increased ROS levels, thus promoting p38 MAPK pathway activation. NAC, an ROS scavenger, almost completely reversed both the cytotoxic and p38 MAPK pathway‐activating effects of siphonodictyal B. These results indicate that the p38 MAPK pathway might be involved downstream of ROS signaling as part of the mechanism of siphonodictyal B‐induced apoptosis. Finally, siphonodictyal B displayed antitumor effects in a human colon cancer xenograft mouse model and increased p38 phosphorylation in tumor tissue. These results suggest that siphonodictyal B could serve as the basis of a novel anticancer drug.
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Affiliation(s)
- Sonoko Chikamatsu
- Department of Clinical Oncology, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan
| | - Ken Saijo
- Department of Clinical Oncology, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan.,Department of Medical Oncology, Tohoku University Hospital, Sendai, Japan
| | - Hiroo Imai
- Department of Clinical Oncology, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan.,Department of Medical Oncology, Tohoku University Hospital, Sendai, Japan
| | - Koichi Narita
- Laboratory of Synthetic and Medicinal Chemistry, Faculty of Pharmaceutical Sciences, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Yoshifumi Kawamura
- Department of Clinical Oncology, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan
| | - Tadashi Katoh
- Faculty of Pharmaceutical Sciences, Research Center for Drug Discovery, Tohoku Medical and Pharmaceutical University, Sendai, Japan
| | - Chikashi Ishioka
- Department of Clinical Oncology, Institute of Development, Aging and Cancer, Tohoku University, Sendai, Japan.,Department of Medical Oncology, Tohoku University Hospital, Sendai, Japan
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10
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Kuan KK, Markwell-Heys AW, Cruickshank MC, Tran DP, Adlington RM, Baldwin JE, George JH. Biomimetic synthetic studies on meroterpenoids from the marine sponge Aka coralliphaga: Divergent total syntheses of siphonodictyal B, liphagal and corallidictyals A–D. Bioorg Med Chem 2019; 27:2449-2465. [DOI: 10.1016/j.bmc.2019.02.038] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Accepted: 02/18/2019] [Indexed: 10/27/2022]
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11
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Jeedimalla N, Jacquet C, Bahneva D, Youte Tendoung JJ, Roche SP. Synthesis of α-Arylated Cycloalkanones from Congested Trisubstituted Spiro-epoxides: Application of the House–Meinwald Rearrangement for Ring Expansion. J Org Chem 2018; 83:12357-12373. [DOI: 10.1021/acs.joc.8b01448] [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)
- Nagalakshmi Jeedimalla
- Department of Chemistry and Biochemistry, Florida Atlantic University, Boca Raton, Florida 33431, United States
| | - Camille Jacquet
- Department of Chemistry and Biochemistry, Florida Atlantic University, Boca Raton, Florida 33431, United States
| | - Diana Bahneva
- Department of Chemistry and Biochemistry, Florida Atlantic University, Boca Raton, Florida 33431, United States
| | - Jean-Jacques Youte Tendoung
- Department of Chemistry and Biochemistry, Florida Atlantic University, Boca Raton, Florida 33431, United States
| | - Stéphane P. Roche
- Department of Chemistry and Biochemistry, Florida Atlantic University, Boca Raton, Florida 33431, United States
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12
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Wang JL, Li HJ, Wu YC. Divergent Synthesis of Marine Natural Products Siphonodictyal B, Corallidictyals C/D, and Liphagal Based on the Early Presence of an Aldehyde Group Instead of a Late-Stage Introduction. J Org Chem 2018; 83:8716-8723. [DOI: 10.1021/acs.joc.8b00989] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Affiliation(s)
- Jun-Li Wang
- School of Marine Science and Technology, Harbin Institute of Technology, Weihai 264209, China
| | - Hui-Jing Li
- School of Marine Science and Technology, Harbin Institute of Technology, Weihai 264209, China
| | - Yan-Chao Wu
- School of Marine Science and Technology, Harbin Institute of Technology, Weihai 264209, China
- Beijing National Laboratory for Molecular Sciences, ICCAS, Beijing 100190, China
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13
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Zong Y, Wang W, Xu T. Total Synthesis of Bioactive Marine Meroterpenoids: The Cases of Liphagal and Frondosin B. Mar Drugs 2018; 16:md16040115. [PMID: 29614734 PMCID: PMC5923402 DOI: 10.3390/md16040115] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2018] [Revised: 03/28/2018] [Accepted: 03/28/2018] [Indexed: 01/09/2023] Open
Abstract
Liphagal and frondosin B are two marine-derived secondary metabolites sharing a very similar polyfused-benzofuran skeleton. The two tetracyclic meroterpenoids were isolated from marine sponges, both featuring a 6-5-7-6 fused ring system. A preliminary bioactive study shows that (+)-liphagal is a selective kinase (PI3K α) inhibitor, while (+)-frondosin B is shown to inhibit the binding of the cytokine interleukin-8 (IL-8) to its receptor, CX-CLR1/2. The unique structures and interesting biological profiles of these two meroterpenoids have attracted considerable attention from synthetic chemists. Herein we summarize the synthetic efforts with respect to (+)-liphagal and (+)-frondosin B during the past two decades.
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Affiliation(s)
- Yan Zong
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, 5 Yushan Road, Qingdao 266003, China.
| | - Weijia Wang
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, 5 Yushan Road, Qingdao 266003, China.
| | - Tao Xu
- Key Laboratory of Marine Drugs, Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, 5 Yushan Road, Qingdao 266003, China.
- Laboratory for Marine Drugs and Bioproducts of Qingdao, National Laboratory for Marine Science and Technology (QNLM), 1 Wenhai Road, Qingdao 266237, China.
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14
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Katoh T, Narita K. Total Syntheses of Liphagal: A Potent and Selective Phosphoinositide 3-Kinase α (PI3Kα) Inhibitor from the Marine Sponge Aka coralliphaga. HETEROCYCLES 2018. [DOI: 10.3987/rev-17-873] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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15
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Takeda Y, Nakai K, Narita K, Katoh T. A novel approach to sesquiterpenoid benzoxazole synthesis from marine sponges: nakijinols A, B and E–G. Org Biomol Chem 2018; 16:3639-3647. [DOI: 10.1039/c8ob00721g] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/19/2022]
Abstract
Nakijinols A, B, E, F and G were efficiently synthesized via the ring closure of the N-(2-hydroxyphenyl)-formamide or -acetamide moiety.
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Affiliation(s)
- Yuki Takeda
- Faculty of Pharmaceutical Sciences
- Tohoku Medical and Pharmaceutical University
- Sendai
- Japan
| | - Keiyo Nakai
- Faculty of Pharmaceutical Sciences
- Tohoku Medical and Pharmaceutical University
- Sendai
- Japan
| | - Koichi Narita
- Faculty of Pharmaceutical Sciences
- Tohoku Medical and Pharmaceutical University
- Sendai
- Japan
| | - Tadashi Katoh
- Faculty of Pharmaceutical Sciences
- Tohoku Medical and Pharmaceutical University
- Sendai
- Japan
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16
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Zhang W, Yao H, Yu J, Zhang Z, Tong R. Total Syntheses of Sesterterpenoid Ansellones A and B, and Phorbadione. Angew Chem Int Ed Engl 2017; 56:4787-4791. [DOI: 10.1002/anie.201701879] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2017] [Indexed: 11/09/2022]
Affiliation(s)
- Wei Zhang
- Department of Chemistry; The Hong Kong University of Science and Technology; Clear Water Bay, Kowloon HK China
| | - Hongliang Yao
- Department of Chemistry; The Hong Kong University of Science and Technology; Clear Water Bay, Kowloon HK China
| | - Jingxun Yu
- Department of Chemistry; The Hong Kong University of Science and Technology; Clear Water Bay, Kowloon HK China
| | - Zhihong Zhang
- Department of Chemistry; The Hong Kong University of Science and Technology; Clear Water Bay, Kowloon HK China
| | - Rongbiao Tong
- Department of Chemistry; The Hong Kong University of Science and Technology; Clear Water Bay, Kowloon HK China
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17
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Zhang W, Yao H, Yu J, Zhang Z, Tong R. Total Syntheses of Sesterterpenoid Ansellones A and B, and Phorbadione. Angew Chem Int Ed Engl 2017. [DOI: 10.1002/ange.201701879] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Affiliation(s)
- Wei Zhang
- Department of Chemistry; The Hong Kong University of Science and Technology; Clear Water Bay, Kowloon HK China
| | - Hongliang Yao
- Department of Chemistry; The Hong Kong University of Science and Technology; Clear Water Bay, Kowloon HK China
| | - Jingxun Yu
- Department of Chemistry; The Hong Kong University of Science and Technology; Clear Water Bay, Kowloon HK China
| | - Zhihong Zhang
- Department of Chemistry; The Hong Kong University of Science and Technology; Clear Water Bay, Kowloon HK China
| | - Rongbiao Tong
- Department of Chemistry; The Hong Kong University of Science and Technology; Clear Water Bay, Kowloon HK China
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18
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Takeda Y, Narita K, Katoh T. Total Synthesis of Marine Sesquiterpene Quinones (+)-Cyclospongiaquinone-1 and (-)-Dehydrocyclospongiaquinone-1 with a Tetracyclic Benzo[a]xanthene Skeleton. European J Org Chem 2017. [DOI: 10.1002/ejoc.201601160] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Yuki Takeda
- Laboratory of Synthetic and Medicinal Chemistry; Faculty of Pharmaceutical Sciences; Tohoku Medical and Pharmaceutical University; 4-4-1 Komatsushima, Aoba-ku 981-8558 Sendai Japan
| | - Koichi Narita
- Laboratory of Synthetic and Medicinal Chemistry; Faculty of Pharmaceutical Sciences; Tohoku Medical and Pharmaceutical University; 4-4-1 Komatsushima, Aoba-ku 981-8558 Sendai Japan
| | - Tadashi Katoh
- Laboratory of Synthetic and Medicinal Chemistry; Faculty of Pharmaceutical Sciences; Tohoku Medical and Pharmaceutical University; 4-4-1 Komatsushima, Aoba-ku 981-8558 Sendai Japan
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19
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Heravi M, Zadsirjan V, Hamidi H, Tabar Amiri PH. Total synthesis of natural products containing benzofuran rings. RSC Adv 2017. [DOI: 10.1039/c7ra03551a] [Citation(s) in RCA: 101] [Impact Index Per Article: 14.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
In this review, various approaches for the construction of benzofurans as an important moiety in different natural products during the total synthesis of the natural of products are underscored.
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Affiliation(s)
- Majid M. Heravi
- Department of Chemistry
- School of Sciences
- Alzahra University
- Tehran
- Iran
| | - Vahideh Zadsirjan
- Department of Chemistry
- School of Sciences
- Alzahra University
- Tehran
- Iran
| | - Hoda Hamidi
- Department of Chemistry
- School of Sciences
- Alzahra University
- Tehran
- Iran
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20
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Huynh KQ, Seizert CA, Ozumerzifon TJ, Allegretti PA, Ferreira EM. Platinum-Catalyzed α,β-Unsaturated Carbene Formation in the Formal Syntheses of Frondosin B and Liphagal. Org Lett 2016; 19:294-297. [PMID: 27997203 DOI: 10.1021/acs.orglett.6b03682] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Formal syntheses of tetracyclic terpenoids frondosin B and liphagal are described. Both synthetic routes rely on the use of platinum-catalyzed α,β-unsaturated carbene formation for the key C-C bond forming transformations. The successful route toward frondosin B utilizes a formal (4 + 3) cycloaddition, while the liphagal synthesis features the vinylogous addition of an enol nucleophile as a key step. Both synthetic routes are discussed, revealing insights into structural requirements in the catalytic α,β-unsaturated carbene reaction manifold.
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Affiliation(s)
- Khoi Q Huynh
- Department of Chemistry, University of Georgia , Athens, Georgia 30602, United States
| | - Curtis A Seizert
- Department of Chemistry, University of Georgia , Athens, Georgia 30602, United States
| | - Tarik J Ozumerzifon
- Department of Chemistry, University of Georgia , Athens, Georgia 30602, United States
| | - Paul A Allegretti
- Department of Chemistry, University of Georgia , Athens, Georgia 30602, United States
| | - Eric M Ferreira
- Department of Chemistry, University of Georgia , Athens, Georgia 30602, United States
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21
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Kikuchi T, Narita K, Saijo K, Ishioka C, Katoh T. Enantioselective Total Synthesis of (-)-Siphonodictyal B and (+)-8-epi-Siphonodictyal B with Phosphatidylinositol 3-Kinase α (PI3Kα) Inhibitory Activity. European J Org Chem 2016. [DOI: 10.1002/ejoc.201600949] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Affiliation(s)
- Takuya Kikuchi
- Laboratory of Synthetic and Medicinal Chemistry; Faculty of Pharmaceutical Sciences; Tohoku Medical and Pharmaceutical University; 4-4-1 Komatsushima, Aoba-ku 981-8558 Sendai Japan
| | - Koichi Narita
- Laboratory of Synthetic and Medicinal Chemistry; Faculty of Pharmaceutical Sciences; Tohoku Medical and Pharmaceutical University; 4-4-1 Komatsushima, Aoba-ku 981-8558 Sendai Japan
| | - Ken Saijo
- Department of Clinical Oncology, Institute of Development, Aging and Cancer; Tohoku University; 4-1 Seiryomachi, Aoba-ku 980-8575 Sendai Japan
| | - Chikashi Ishioka
- Department of Clinical Oncology, Institute of Development, Aging and Cancer; Tohoku University; 4-1 Seiryomachi, Aoba-ku 980-8575 Sendai Japan
| | - Tadashi Katoh
- Laboratory of Synthetic and Medicinal Chemistry; Faculty of Pharmaceutical Sciences; Tohoku Medical and Pharmaceutical University; 4-4-1 Komatsushima, Aoba-ku 981-8558 Sendai Japan
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22
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Markwell-Heys AW, George JH. Some chemical speculation on the biosynthesis of corallidictyals A–D. Org Biomol Chem 2016; 14:5546-9. [DOI: 10.1039/c6ob00171h] [Citation(s) in RCA: 21] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
The efficient conversion of siphonodictyal B into the spirocyclic natural products corallidictyals A–D has been achieved via oxidative and acid catalyzed cyclizations.
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23
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Hayakawa I, Nakamura T, Ohno O, Suenaga K, Kigoshi H. Synthesis and structure-activity relationships for cytotoxicity and apoptosis-inducing activity of (+)-halichonine B. Org Biomol Chem 2015; 13:9969-76. [PMID: 26287439 DOI: 10.1039/c5ob01488c] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Halichonine B is a sesquiterpene alkaloid isolated from the marine sponge Halichondria okadai Kadota. Halichonine B has exhibited cytotoxicity against mammalian cancer cells and induced apoptosis in the human leukemia cell line HL60. Here we established a practical route for the synthesis of halichonine B and its analogues, and we evaluated their biological activities. It was revealed that the secondary amino groups in the side chain portion are important for the strong cytotoxicity of halichonine B and that the N(11)-prenyl group is unimportant. Halichonine B and its analogues were also observed to induce apoptosis in HL60 cells.
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Affiliation(s)
- Ichiro Hayakawa
- Division of Applied Chemistry, Graduate School of Natural Science and Technology, Okayama University, 3-1-1 Tsushima-naka, Kita-ku, Okayama 700-8530, Japan.
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24
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Markwell-Heys AW, Kuan KKW, George JH. Total Synthesis and Structure Revision of (-)-Siphonodictyal B and Its Biomimetic Conversion into (+)-Liphagal. Org Lett 2015; 17:4228-31. [PMID: 26295981 DOI: 10.1021/acs.orglett.5b01973] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
The structure of siphonodictyal B has been reassigned on the basis of the total synthesis of both possible C-8 epimers. The revised structure of siphonodictyal B was converted into liphagal by acid catalyzed rearrangement of a proposed epoxide intermediate. This biomimetic cascade features a succession of four distinct reactions (epoxidation, o-quinone methide formation, ring expansion, and benzofuran formation) that occur in a one-pot operation under mild conditions. During these studies we also isolated a surprisingly stable o-quinone methide that supports our mechanistic proposal for liphagal biosynthesis.
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Affiliation(s)
| | - Kevin K W Kuan
- Department of Chemistry, University of Adelaide , Adelaide, SA 5005, Australia
| | - Jonathan H George
- Department of Chemistry, University of Adelaide , Adelaide, SA 5005, Australia
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