1
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Eum DY, Jeong M, Park SY, Kim J, Jin Y, Jo J, Shim JW, Lee SR, Park SJ, Heo K, Yun H, Choi YJ. AM-18002, a derivative of natural anmindenol A, enhances radiosensitivity in mouse breast cancer cells. PLoS One 2024; 19:e0296989. [PMID: 38625901 PMCID: PMC11020960 DOI: 10.1371/journal.pone.0296989] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Accepted: 12/25/2023] [Indexed: 04/18/2024] Open
Abstract
Natural anmindenol A isolated from the marine-derived bacteria Streptomyces sp. caused potent inhibition of inducible nitric oxide synthase without any significant cytotoxicity. This compound consists of a structurally unique 3,10-dialkylbenzofulvene skeleton. We previously synthesized and screened the novel derivatives of anmindenol A and identified AM-18002, an anmindenol A derivative, as a promising anticancer agent. The combination of AM-18002 and ionizing radiation (IR) improved anticancer effects, which were exerted by promoting apoptosis and inhibiting the proliferation of FM3A mouse breast cancer cells. AM-18002 increased the production of reactive oxygen species (ROS) and was more effective in inducing DNA damage. AM-18002 treatment was found to inhibit the expansion of myeloid-derived suppressor cells (MDSC), cancer cell migration and invasion, and STAT3 phosphorylation. The AM-18002 and IR combination synergistically induced cancer cell death, and AM-18002 acted as a potent anticancer agent by increasing ROS generation and blocking MDSC-mediated STAT3 activation in breast cancer cells.
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Affiliation(s)
- Da-Young Eum
- Research Center, Dongnam Institute of Radiological & Medical Sciences, Busan, Republic of Korea
- College of Pharmacy, Pusan National University, Busan, Republic of Korea
| | - Myeonggyo Jeong
- College of Pharmacy, Pusan National University, Busan, Republic of Korea
- Research Institute for Drug Development, Pusan National University, Busan, Republic of Korea
| | - Soon-Yong Park
- Research Center, Dongnam Institute of Radiological & Medical Sciences, Busan, Republic of Korea
| | - Jisu Kim
- College of Pharmacy, Pusan National University, Busan, Republic of Korea
| | - Yunho Jin
- Research Center, Dongnam Institute of Radiological & Medical Sciences, Busan, Republic of Korea
| | - Jeyun Jo
- College of Pharmacy, Pusan National University, Busan, Republic of Korea
| | - Jae-Woong Shim
- Research Center, Dongnam Institute of Radiological & Medical Sciences, Busan, Republic of Korea
| | - Seoung Rak Lee
- College of Pharmacy, Pusan National University, Busan, Republic of Korea
- Research Institute for Drug Development, Pusan National University, Busan, Republic of Korea
| | - Seong-Joon Park
- Research Center, Dongnam Institute of Radiological & Medical Sciences, Busan, Republic of Korea
| | - Kyu Heo
- Research Center, Dongnam Institute of Radiological & Medical Sciences, Busan, Republic of Korea
| | - Hwayoung Yun
- College of Pharmacy, Pusan National University, Busan, Republic of Korea
- Research Institute for Drug Development, Pusan National University, Busan, Republic of Korea
| | - Yoo-Jin Choi
- Research Center, Dongnam Institute of Radiological & Medical Sciences, Busan, Republic of Korea
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2
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Sateesh R, Prudhviraj J, Priyanka C, Punna N. Access to CF 3-benzofulvenes via palladium-catalyzed cascade arylation/Trost-Oppolzer cyclization/double-bond isomerization. Chem Commun (Camb) 2024; 60:3551-3554. [PMID: 38456328 DOI: 10.1039/d3cc06082a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 03/09/2024]
Abstract
Herein, we demonstrated a Pd-catalyzed cascade reaction that involves arylation, Trost-Oppolzer type Alder ene reaction, and double bond isomerization using the 4-(2-alkynylphenyl)-allylcarbonates and aryl boronic acids. This cascade process delivers a wide array of distinctive functionalized CF3-benzofulvenes in good yields with high stereoselectivity (E). A single palladium catalyst orchestrates the two individual reactions in a single operation. Trost-Oppolzer type Alder ene reaction is the key in this transformation, also called a rare acid-free iso-Nazarov type cyclization.
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Affiliation(s)
- Rami Sateesh
- Fluoro-Agro Chemicals Division, CSIR-Indian Institute of Chemical Technology, Hyderabad-500007, India.
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad 201 002, India
| | - Jaggaraju Prudhviraj
- Fluoro-Agro Chemicals Division, CSIR-Indian Institute of Chemical Technology, Hyderabad-500007, India.
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad 201 002, India
| | - Chiliveru Priyanka
- Fluoro-Agro Chemicals Division, CSIR-Indian Institute of Chemical Technology, Hyderabad-500007, India.
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad 201 002, India
| | - Nagender Punna
- Fluoro-Agro Chemicals Division, CSIR-Indian Institute of Chemical Technology, Hyderabad-500007, India.
- Academy of Scientific & Innovative Research (AcSIR), Ghaziabad 201 002, India
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3
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Sreenivasulu G, Sridhar B, Karunakar GV. Dual gold-catalyzed regioselective synthesis of benzofulvenes via 5- endo dig cyclization. Org Biomol Chem 2023; 21:7799-7807. [PMID: 37712351 DOI: 10.1039/d3ob01079a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/16/2023]
Abstract
An efficient dual gold-catalyzed regioselective synthesis of benzofulvenes has been developed from substituted allyloxy 1,5-diynes via 5-endo dig cyclization. In this intramolecular organic transformation a new C-C bond formation occurs and moderate to very good yields are obtained in one pot.
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Affiliation(s)
- Gottam Sreenivasulu
- Fluoro and Agrochemicals Department, CSIR-Indian Institute of Chemical Technology, Hyderabad, 500007, India.
- Academy of Scientific and Innovative Research, Ghaziabad, 201002, India
| | - Balasubramanian Sridhar
- Center for X-ray Crystallography, CSIR-Indian Institute of Chemical Technology, Hyderabad, 500007, India
| | - Galla V Karunakar
- Fluoro and Agrochemicals Department, CSIR-Indian Institute of Chemical Technology, Hyderabad, 500007, India.
- Academy of Scientific and Innovative Research, Ghaziabad, 201002, India
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4
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Yue X, Zhou Y, Zhang Y, Meng T, Zhao Y, Guo W. Synthesis of a versatile 1 H-indene-3-carboxylate scaffold enabled by visible-light promoted Wolff rearrangement of 1-diazonaphthalen-2(1 H)-ones. Chem Commun (Camb) 2023; 59:6363-6366. [PMID: 37140082 DOI: 10.1039/d3cc01093g] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/05/2023]
Abstract
Herein, we have developed a sequential visible-light-promoted Wolff rearrangement of 1-diazonaphthalen-2(1H)-ones, followed by capturing the in situ generated ketene intermediates with various alcohols, producing diverse 1H-indene-3-carboxylates in moderate to good yields under mild reaction conditions. The broad substrate scope, high functional group tolerance, and robust conditions make the resulting derivative a versatile platform for the synthesis of plenty of bioactive molecules.
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Affiliation(s)
- Xin Yue
- Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, School of Petrochemical Engineering, Changzhou University, Changzhou, 21364, China.
| | - Ying Zhou
- Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, School of Petrochemical Engineering, Changzhou University, Changzhou, 21364, China.
| | - Yan Zhang
- Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, School of Petrochemical Engineering, Changzhou University, Changzhou, 21364, China.
| | - Tengfei Meng
- Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, School of Petrochemical Engineering, Changzhou University, Changzhou, 21364, China.
| | - Yupei Zhao
- Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, School of Petrochemical Engineering, Changzhou University, Changzhou, 21364, China.
| | - Wengang Guo
- Advanced Catalysis and Green Manufacturing Collaborative Innovation Center, School of Petrochemical Engineering, Changzhou University, Changzhou, 21364, China.
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5
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Zhang Z, Li A, Zhao B, Li P, Wang L, Miao T. Direct Synthesis of Sulfinylated Benzofulvenes via BF 3·Et 2O-Promoted Cascade Reactions of Arylsulfinic Acids with 1,3-Enynes. Org Lett 2021; 23:8204-8208. [PMID: 34676767 DOI: 10.1021/acs.orglett.1c02942] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
A novel and efficient method for the selective synthesis of sulfinylated benzofulvenes has been developed through the BF3·Et2O-promoted electrophilic addition/cyclization of 1,3-enynes. This metal-free cascade reaction employs readily accessible arylsulfinic acids as sulfinyl cation sources at room temperature and provides a wide range of functionalized benzofulvenes in good to excellent yields under mild conditions.
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Affiliation(s)
- Zhen Zhang
- Department of Chemistry; Key Laboratory of Green and Precise Synthetic Chemistry, Ministry of Education, Huaibei Normal University, Huaibei, Anhui 235000, P. R. China
| | - Anni Li
- Department of Chemistry; Key Laboratory of Green and Precise Synthetic Chemistry, Ministry of Education, Huaibei Normal University, Huaibei, Anhui 235000, P. R. China
| | - Beibei Zhao
- Department of Chemistry; Key Laboratory of Green and Precise Synthetic Chemistry, Ministry of Education, Huaibei Normal University, Huaibei, Anhui 235000, P. R. China
| | - Pinhua Li
- Department of Chemistry; Key Laboratory of Green and Precise Synthetic Chemistry, Ministry of Education, Huaibei Normal University, Huaibei, Anhui 235000, P. R. China
| | - Lei Wang
- Department of Chemistry; Key Laboratory of Green and Precise Synthetic Chemistry, Ministry of Education, Huaibei Normal University, Huaibei, Anhui 235000, P. R. China.,Advanced Research Institute and Department of Chemistry, Taizhou University, Taizhou, Zhejiang 318000, P. R. China.,State Key Laboratory of Organometallic Chemistry, Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences, Shanghai 200032, P. R. China
| | - Tao Miao
- Department of Chemistry; Key Laboratory of Green and Precise Synthetic Chemistry, Ministry of Education, Huaibei Normal University, Huaibei, Anhui 235000, P. R. China
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6
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Abstract
Covering: up to mid-2020 Terpenoids, also called isoprenoids, are the largest and most structurally diverse family of natural products. Found in all domains of life, there are over 80 000 known compounds. The majority of characterized terpenoids, which include some of the most well known, pharmaceutically relevant, and commercially valuable natural products, are produced by plants and fungi. Comparatively, terpenoids of bacterial origin are rare. This is counter-intuitive to the fact that recent microbial genomics revealed that almost all bacteria have the biosynthetic potential to create the C5 building blocks necessary for terpenoid biosynthesis. In this review, we catalogue terpenoids produced by bacteria. We collected 1062 natural products, consisting of both primary and secondary metabolites, and classified them into two major families and 55 distinct subfamilies. To highlight the structural and chemical space of bacterial terpenoids, we discuss their structures, biosynthesis, and biological activities. Although the bacterial terpenome is relatively small, it presents a fascinating dichotomy for future research. Similarities between bacterial and non-bacterial terpenoids and their biosynthetic pathways provides alternative model systems for detailed characterization while the abundance of novel skeletons, biosynthetic pathways, and bioactivies presents new opportunities for drug discovery, genome mining, and enzymology.
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Affiliation(s)
- Jeffrey D Rudolf
- Department of Chemistry, University of Florida, Gainesville, Florida 32611, USA.
| | - Tyler A Alsup
- Department of Chemistry, University of Florida, Gainesville, Florida 32611, USA.
| | - Baofu Xu
- Department of Chemistry, University of Florida, Gainesville, Florida 32611, USA.
| | - Zining Li
- Department of Chemistry, University of Florida, Gainesville, Florida 32611, USA.
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7
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Sánchez-Suárez J, Coy-Barrera E, Villamil L, Díaz L. Streptomyces-Derived Metabolites with Potential Photoprotective Properties-A Systematic Literature Review and Meta-Analysis on the Reported Chemodiversity. Molecules 2020; 25:E3221. [PMID: 32679651 PMCID: PMC7397340 DOI: 10.3390/molecules25143221] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 07/01/2020] [Accepted: 07/07/2020] [Indexed: 02/07/2023] Open
Abstract
Sun overexposure is associated with the development of diseases that primarily affect the skin, which can lead to skin cancer. Among the main measures of photoprotection is the use of sunscreens. However, there is currently concern about the reported harmful effects to both humans and the environment due to several of the sunscreen ingredients available on the market. For this reason, the search for and development of new agents with photoprotective properties is required. In searching for these metabolites, researchers have turned their attention to microbial sources, especially the microbiota in unusual hostile environments. Among the diverse microorganisms available in nature, Actinobacteria and specifically Streptomyces, have been shown to be a source of metabolites with various biological activities of interest, such as antimicrobial, antitumor and immunomodulator activities. Herein, we present the results of a systematic review of the literature in which Streptomyces isolates were studied as a source of compounds with photoprotective properties. A meta-analysis of the structure-property and structure-activity relationships of those metabolites identified in the qualitative analysis phase was also carried out. These findings indicate that Streptomyces are a source of metabolites with potential applications in the development of new, safe and more eco-friendly sunscreens.
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Affiliation(s)
- Jeysson Sánchez-Suárez
- Doctoral Program of Biosciences, School of Engineering, Universidad de La Sabana, Chía 140013, Cundinamarca, Colombia; (J.S.-S.); (L.V.)
- Bioprospecting Research Group, School of Engineering, Universidad de La Sabana, Chía 140013, Cundinamarca, Colombia
| | - Ericsson Coy-Barrera
- Bioorganic Chemistry Laboratory, Universidad Militar Nueva Granada, Bogotá 110111, Cajicá, Cundinamarca, Colombia;
| | - Luisa Villamil
- Doctoral Program of Biosciences, School of Engineering, Universidad de La Sabana, Chía 140013, Cundinamarca, Colombia; (J.S.-S.); (L.V.)
| | - Luis Díaz
- Doctoral Program of Biosciences, School of Engineering, Universidad de La Sabana, Chía 140013, Cundinamarca, Colombia; (J.S.-S.); (L.V.)
- Bioprospecting Research Group, School of Engineering, Universidad de La Sabana, Chía 140013, Cundinamarca, Colombia
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8
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Yang C, Qian R, Xu Y, Yi J, Gu Y, Liu X, Yu H, Jiao B, Lu X, Zhang W. Marine Actinomycetes-derived Natural Products. Curr Top Med Chem 2020; 19:2868-2918. [PMID: 31724505 DOI: 10.2174/1568026619666191114102359] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2019] [Revised: 09/02/2019] [Accepted: 09/22/2019] [Indexed: 12/12/2022]
Abstract
Actinomycetes is an abundant resource for discovering a large number of lead compounds, which play an important role in microbial drug discovery. Compared to terrestrial microorganisms, marine actinomycetes have unique metabolic pathways because of their special living environment, which has the potential to produce a variety of bioactive substances. In this paper, secondary metabolites isolated from marine actinomycetes are reviewed (2013-2018), most of which exhibited cytotoxic, antibacterial, and antiviral biological activities.
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Affiliation(s)
- Chengfang Yang
- College of Basic Medical Sciences, Department of Biochemistry and Molecular Biology, Second Military Medical University, Shanghai, China
| | - Rui Qian
- College of Basic Medical Sciences, Department of Biochemistry and Molecular Biology, Second Military Medical University, Shanghai, China
| | - Yao Xu
- College of Basic Medical Sciences, Department of Biochemistry and Molecular Biology, Second Military Medical University, Shanghai, China
| | - Junxi Yi
- College of Basic Medical Sciences, Department of Biochemistry and Molecular Biology, Second Military Medical University, Shanghai, China
| | - Yiwen Gu
- College of Basic Medical Sciences, Department of Biochemistry and Molecular Biology, Second Military Medical University, Shanghai, China
| | - Xiaoyu Liu
- College of Basic Medical Sciences, Department of Biochemistry and Molecular Biology, Second Military Medical University, Shanghai, China
| | - Haobing Yu
- College of Basic Medical Sciences, Department of Biochemistry and Molecular Biology, Second Military Medical University, Shanghai, China
| | - Binghua Jiao
- College of Basic Medical Sciences, Department of Biochemistry and Molecular Biology, Second Military Medical University, Shanghai, China
| | - Xiaoling Lu
- College of Basic Medical Sciences, Department of Biochemistry and Molecular Biology, Second Military Medical University, Shanghai, China
| | - Wei Zhang
- Centre for Marine Bioproducts Development, Flinders University, Adelaide, Australia.,Department of Medical Biotechnology, School of Medicine, Flinders University, Adelaide, Australia
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9
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Song X, Do Doan BN, Zhang X, Lee R, Fan X. Complementary C–H Functionalization Mode of Benzoylacetonitriles: Computer-Augmented Study of a Regio- and Stereoselective Synthesis of Functionalized Benzofulvenes. Org Lett 2019; 22:46-51. [DOI: 10.1021/acs.orglett.9b03858] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Xia Song
- Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, School of Environment, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Bao Nguyen Do Doan
- Science and Mathematics Cluster, Singapore University of Technology and Design, 8 Somapah Road, Singapore 487372
| | - Xinying Zhang
- Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, School of Environment, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
| | - Richmond Lee
- Science and Mathematics Cluster, Singapore University of Technology and Design, 8 Somapah Road, Singapore 487372
| | - Xuesen Fan
- Henan Key Laboratory of Organic Functional Molecules and Drug Innovation, Key Laboratory of Green Chemical Media and Reactions, Ministry of Education, Collaborative Innovation Center of Henan Province for Green Manufacturing of Fine Chemicals, School of Environment, School of Chemistry and Chemical Engineering, Henan Normal University, Xinxiang, Henan 453007, China
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10
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Jeong M, Lee H, Kim G, Jo J, Chang JW, Jung JH, Suh YG, Yun H. Divergent Synthetic Route to Oxidized Benzofulvene Sesquiterpenoids: Protecting-Group-Free Total Synthesis of Nicotianasesterpenes A, B, and a Polygonum Sesquiterpenoid. European J Org Chem 2019. [DOI: 10.1002/ejoc.201901351] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Myeonggyo Jeong
- College of Pharmacy; Pusan National University; 46241 Busan Republic of Korea
| | - Hyunkee Lee
- College of Pharmacy; Pusan National University; 46241 Busan Republic of Korea
| | - Gibeom Kim
- College of Pharmacy; Pusan National University; 46241 Busan Republic of Korea
| | - Jeyun Jo
- College of Pharmacy; Pusan National University; 46241 Busan Republic of Korea
| | - Jae Won Chang
- Department of Pharmacology & Chemical Biology; School of Medicine; Emory University; Atlanta GA USA
- Department of Hematology & Medical Oncology; School of Medicine; Emory University; Atlanta GA USA
- Winship Cancer Institute; School of Medicine; Emory University; Atlanta GA USA
| | - Jee H. Jung
- College of Pharmacy; Pusan National University; 46241 Busan Republic of Korea
| | - Young-Ger Suh
- College of Pharmacy; School of Medicine; CHA University; 120 Haeryong-ro 11160 Gyeonggi-do Pocheon-si Republic of Korea
| | - Hwayoung Yun
- College of Pharmacy; Pusan National University; 46241 Busan Republic of Korea
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11
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Jo J, Jeong M, Ahn JS, Akter J, Kim HS, Suh YG, Yun H. Total Synthesis of Anmindenol A and Its Application to the Design, Synthesis, and Biological Evaluation of Derivatives Thereof. J Org Chem 2019; 84:10953-10961. [PMID: 31357857 DOI: 10.1021/acs.joc.9b01564] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2023]
Abstract
The first total synthesis of anmindenol A is described in four steps. A notable feature of the synthetic route includes the efficient construction of the 3,10-dialkylsubstituted benzofulvene core via a stereoselective vinylogous Stork enamine aldol condensation. The strategy provided a blueprint for the practical preparation of derivatives with modifications in the C-10 alkyl substituents. The novel derivatives inhibited nitric oxide production in stimulated RAW 264.7 macrophage cells.
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Affiliation(s)
- Jeyun Jo
- College of Pharmacy , Pusan National University , Busan 46241 , Republic of Korea
| | - Myeonggyo Jeong
- College of Pharmacy , Pusan National University , Busan 46241 , Republic of Korea
| | - Ji-Su Ahn
- Department of Life Science in Dentistry, School of Dentistry , Pusan National University , Yangsan 50612 , Republic of Korea
| | - Jinia Akter
- College of Pharmacy , Pusan National University , Busan 46241 , Republic of Korea
| | - Hyung-Sik Kim
- Department of Life Science in Dentistry, School of Dentistry , Pusan National University , Yangsan 50612 , Republic of Korea
| | - Young-Ger Suh
- College of Pharmacy , CHA University , 120 Haeryong-ro , Pocheon-si , Gyeonggi-do 11160 , Republic of Korea
| | - Hwayoung Yun
- College of Pharmacy , Pusan National University , Busan 46241 , Republic of Korea
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12
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Jin Y, Wang C. Ni-catalysed reductive arylalkylation of unactivated alkenes. Chem Sci 2018; 10:1780-1785. [PMID: 30842845 PMCID: PMC6369408 DOI: 10.1039/c8sc04279a] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2018] [Accepted: 12/03/2018] [Indexed: 12/26/2022] Open
Abstract
In this protocol Ni-catalysed reductive arylalkylation of unactivated alkenes tethered to aryl bromides with primary alkyl bromides has been accomplished, providing a new path to construct diverse benzene-fused carbo- and heterocyclic cores including indanes, tetrahydroisoquinolines, indolines and isochromanes. Notably, this new method circumvents the pregeneration of organometallics and demonstrates high tolerance to a wide range of functional groups. The preliminary mechanistic investigations suggest a reaction pathway with an intermediate reduction.
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Affiliation(s)
- Youxiang Jin
- National Laboratory for Physical Science at the Microscale , Department of Chemistry , Center for Excellence in Molecular Synthesis , Hefei University of Science and Technology of China , 96 Jinzhai Road , Hefei , Anhui 20237 , P. R. China .
| | - Chuan Wang
- National Laboratory for Physical Science at the Microscale , Department of Chemistry , Center for Excellence in Molecular Synthesis , Hefei University of Science and Technology of China , 96 Jinzhai Road , Hefei , Anhui 20237 , P. R. China .
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13
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Lee SJ, Samala M, Woo SY, Hahn D, Kim D, Kadayat TM, Jung K, Kim J, Kim DS, Kwon S, Kim S, Kim KH, Nam SJ, Cho SJ, Chin J. Enantioselective Synthesis of a Novel Thiazoline Core as a Potent Peroxisome Proliferator-Activated Receptor δ Agonist. ACS OMEGA 2018; 3:1970-1976. [PMID: 30023820 PMCID: PMC6044852 DOI: 10.1021/acsomega.7b01689] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/01/2017] [Accepted: 01/29/2018] [Indexed: 06/08/2023]
Abstract
The convergent and enantioselective synthesis of a highly potent human peroxisome proliferator-activated receptor delta agonist is presented. More specifically, the thiazoline structure, which constitutes the biosynthetically distinctive core structure of pulicatin (a secondary metabolite of symbiotic bacteria), was synthesized from a commercially available and inexpensive chiral pool of l-threonine.
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Affiliation(s)
- Su-Jeong Lee
- New
Drug Development Center, Daegu-Gyeongbuk
Medical Innovation Foundation, Daegu 41061, Republic
of Korea
| | - Mallesham Samala
- College
of Pharmacy, Kangwon National University, Chuncheon, Gangwon-do 24341, Republic of Korea
| | - Seo Yeon Woo
- New
Drug Development Center, Daegu-Gyeongbuk
Medical Innovation Foundation, Daegu 41061, Republic
of Korea
| | - Dongyup Hahn
- School of Food Science and Biotechnology, and College of Pharmacy, Kyungpook National University, Daegu 41566, Republic
of Korea
| | - Dayoung Kim
- Department
of Chemistry and Nano Science, Global Top 5 Program, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Tara Man Kadayat
- New
Drug Development Center, Daegu-Gyeongbuk
Medical Innovation Foundation, Daegu 41061, Republic
of Korea
| | - Kyungjin Jung
- New
Drug Development Center, Daegu-Gyeongbuk
Medical Innovation Foundation, Daegu 41061, Republic
of Korea
| | - Jina Kim
- New
Drug Development Center, Daegu-Gyeongbuk
Medical Innovation Foundation, Daegu 41061, Republic
of Korea
| | - Dong-Su Kim
- New
Drug Development Center, Daegu-Gyeongbuk
Medical Innovation Foundation, Daegu 41061, Republic
of Korea
| | - Sugyeong Kwon
- New
Drug Development Center, Daegu-Gyeongbuk
Medical Innovation Foundation, Daegu 41061, Republic
of Korea
| | - Shinae Kim
- New
Drug Development Center, Daegu-Gyeongbuk
Medical Innovation Foundation, Daegu 41061, Republic
of Korea
- School of Food Science and Biotechnology, and College of Pharmacy, Kyungpook National University, Daegu 41566, Republic
of Korea
| | - Kyung-Hee Kim
- New
Drug Development Center, Daegu-Gyeongbuk
Medical Innovation Foundation, Daegu 41061, Republic
of Korea
| | - Sang-Jip Nam
- Department
of Chemistry and Nano Science, Global Top 5 Program, Ewha Womans University, Seoul 03760, Republic of Korea
| | - Sung Jin Cho
- New
Drug Development Center, Daegu-Gyeongbuk
Medical Innovation Foundation, Daegu 41061, Republic
of Korea
| | - Jungwook Chin
- New
Drug Development Center, Daegu-Gyeongbuk
Medical Innovation Foundation, Daegu 41061, Republic
of Korea
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14
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Hassan SSU, Shaikh AL. Marine actinobacteria as a drug treasure house. Biomed Pharmacother 2017; 87:46-57. [DOI: 10.1016/j.biopha.2016.12.086] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2016] [Revised: 12/20/2016] [Accepted: 12/20/2016] [Indexed: 01/19/2023] Open
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15
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Saravana Kumar P, Stalin A, Lakshmi sundaram R, Duraipandiyan V, Al-Dhabi NA, Yuvaraj P, Balakrishna K, Ignacimuthu S. Isolation of chemical constituents from Nonomuraea species: In vitro and in silico evaluation of its antibacterial properties. BENI-SUEF UNIVERSITY JOURNAL OF BASIC AND APPLIED SCIENCES 2017. [DOI: 10.1016/j.bjbas.2016.12.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022] Open
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16
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Sun MW, Zhang XM, Bi HL, Li WJ, Lu CH. Two new sesquiterpenoids produced by halophilic Nocardiopsis chromatogenes YIM 90109. Nat Prod Res 2016; 31:77-83. [DOI: 10.1080/14786419.2016.1214831] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Affiliation(s)
- Ming-Wei Sun
- Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, Jinan, China
| | - Xiao-Mei Zhang
- College of Basic Medicine, Yunnan University of Traditional Chinese Medicine, Kunming, China
| | - Hui-Li Bi
- Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, Jinan, China
| | - Wen-Jun Li
- State Key Laboratory of Biocontrol and Guangdong provincial Key Laboratory of Plant Resources, College of Ecology and Evolution, Sun Yat-Sen University, Guangzhou, China
- Key Laboratory of Biogeography and Bioresource in Arid Land, Xinjiang Institute of Ecology and Geography, Chinese Academy of Sciences, Urumqi, China
| | - Chun-Hua Lu
- Key Laboratory of Chemical Biology (Ministry of Education), School of Pharmaceutical Sciences, Shandong University, Jinan, China
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Ahmad A, Silva LF. Metal-Free Asymmetric Synthesis of Indanes through Chiral Hypervalent Iodine(III)-Mediated Ring Contraction. J Org Chem 2016; 81:2174-81. [DOI: 10.1021/acs.joc.5b02803] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/21/2023]
Affiliation(s)
- Anees Ahmad
- Instituto de Química, Universidade de São Paulo, CP 26077, CEP 05513-970, São Paulo − SP, Brazil
| | - Luiz F. Silva
- Instituto de Química, Universidade de São Paulo, CP 26077, CEP 05513-970, São Paulo − SP, Brazil
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Abstract
This review covers the literature published in 2014 for marine natural products (MNPs), with 1116 citations (753 for the period January to December 2014) referring to compounds isolated from marine microorganisms and phytoplankton, green, brown and red algae, sponges, cnidarians, bryozoans, molluscs, tunicates, echinoderms, mangroves and other intertidal plants and microorganisms. The emphasis is on new compounds (1378 in 456 papers for 2014), together with the relevant biological activities, source organisms and country of origin. Reviews, biosynthetic studies, first syntheses, and syntheses that lead to the revision of structures or stereochemistries, have been included.
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Affiliation(s)
- John W Blunt
- Department of Chemistry, University of Canterbury, Christchurch, New Zealand.
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Shen Q, Xu X, Liu C, Zhao W, Xiang N, Chen Y, Miao M, Liu Z, Yang G. Two new sesquiterpenes from the leaves of Nicotiana tabacum and their anti-tobacco mosaic virus activities. Nat Prod Res 2016; 30:2545-2550. [DOI: 10.1080/14786419.2015.1120729] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/22/2022]
Affiliation(s)
- Qinpeng Shen
- Key Laboratory of Tobacco Chemistry of Yunnan Province, China Tobacco Yunnan Industrial Co., Ltd, Kunming, P.R. China
| | - Xingmeng Xu
- Key Laboratory of Tobacco Chemistry of Yunnan Province, China Tobacco Yunnan Industrial Co., Ltd, Kunming, P.R. China
- School of Pharmaceutical Science & Yunnan Key Laboratory of Pharmacology for Nature Products, Kunming Medical University, Kunming, P.R. China
| | - Chunbo Liu
- Key Laboratory of Tobacco Chemistry of Yunnan Province, China Tobacco Yunnan Industrial Co., Ltd, Kunming, P.R. China
| | - Wei Zhao
- Key Laboratory of Tobacco Chemistry of Yunnan Province, China Tobacco Yunnan Industrial Co., Ltd, Kunming, P.R. China
| | - Nengjun Xiang
- Key Laboratory of Tobacco Chemistry of Yunnan Province, China Tobacco Yunnan Industrial Co., Ltd, Kunming, P.R. China
| | - Yongkuan Chen
- Key Laboratory of Tobacco Chemistry of Yunnan Province, China Tobacco Yunnan Industrial Co., Ltd, Kunming, P.R. China
| | - Mingming Miao
- Key Laboratory of Tobacco Chemistry of Yunnan Province, China Tobacco Yunnan Industrial Co., Ltd, Kunming, P.R. China
| | - Zhihua Liu
- Key Laboratory of Tobacco Chemistry of Yunnan Province, China Tobacco Yunnan Industrial Co., Ltd, Kunming, P.R. China
| | - Guangyu Yang
- Key Laboratory of Tobacco Chemistry of Yunnan Province, China Tobacco Yunnan Industrial Co., Ltd, Kunming, P.R. China
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20
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Parrot D, Antony-Babu S, Intertaglia L, Grube M, Tomasi S, Suzuki MT. Littoral lichens as a novel source of potentially bioactive Actinobacteria. Sci Rep 2015; 5:15839. [PMID: 26514347 PMCID: PMC4626775 DOI: 10.1038/srep15839] [Citation(s) in RCA: 41] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2015] [Accepted: 10/01/2015] [Indexed: 11/09/2022] Open
Abstract
Cultivable Actinobacteria are the largest source of microbially derived bioactive molecules. The high demand for novel antibiotics highlights the need for exploring novel sources of these bacteria. Microbial symbioses with sessile macro-organisms, known to contain bioactive compounds likely of bacterial origin, represent an interesting and underexplored source of Actinobacteria. We studied the diversity and potential for bioactive-metabolite production of Actinobacteria associated with two marine lichens (Lichina confinis and L. pygmaea; from intertidal and subtidal zones) and one littoral lichen (Roccella fuciformis; from supratidal zone) from the Brittany coast (France), as well as the terrestrial lichen Collema auriforme (from a riparian zone, Austria). A total of 247 bacterial strains were isolated using two selective media. Isolates were identified and clustered into 101 OTUs (98% identity) including 51 actinobacterial OTUs. The actinobacterial families observed were: Brevibacteriaceae, Cellulomonadaceae, Gordoniaceae, Micrococcaceae, Mycobacteriaceae, Nocardioidaceae, Promicromonosporaceae, Pseudonocardiaceae, Sanguibacteraceae and Streptomycetaceae. Interestingly, the diversity was most influenced by the selective media rather than lichen species or the level of lichen thallus association. The potential for bioactive-metabolite biosynthesis of the isolates was confirmed by screening genes coding for polyketide synthases types I and II. These results show that littoral lichens are a source of diverse potentially bioactive Actinobacteria.
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Affiliation(s)
- Delphine Parrot
- UMR CNRS 6226, Institut des Sciences chimiques de Rennes, Equipe PNSCM “Produits Naturels – Synthèses – Chimie Médicinale”, UFR Sciences Pharmaceutiques et Biologiques, Univ. Rennes 1, Université Européenne de Bretagne, 2 Avenue du Pr. Léon Bernard, F-35043 Rennes, France
| | - Sanjay Antony-Babu
- Sorbonne Universités; UPMC Univ. Paris VI, UMS 2348, USR 3579 LBBM, Observatoire Océanologique, Banyuls-sur-Mer 66650, France
- CNRS, USR 3579, LBBM, Observatoire Océanologique, F-66650, Banyuls/Mer, France
| | - Laurent Intertaglia
- Sorbonne Universités; UPMC Univ. Paris VI, UMS 2348, USR 3579 LBBM, Observatoire Océanologique, Banyuls-sur-Mer 66650, France
- CNRS, UMS 2348 (Plate-forme Bio2Mar), Observatoire Océanologique, F-66650 Banyuls/Mer, France
| | - Martin Grube
- Institut für Pflanzenwissenschaften Karl-Franzens-Universität Graz, Austria
| | - Sophie Tomasi
- UMR CNRS 6226, Institut des Sciences chimiques de Rennes, Equipe PNSCM “Produits Naturels – Synthèses – Chimie Médicinale”, UFR Sciences Pharmaceutiques et Biologiques, Univ. Rennes 1, Université Européenne de Bretagne, 2 Avenue du Pr. Léon Bernard, F-35043 Rennes, France
| | - Marcelino T. Suzuki
- Sorbonne Universités; UPMC Univ. Paris VI, UMS 2348, USR 3579 LBBM, Observatoire Océanologique, Banyuls-sur-Mer 66650, France
- CNRS, USR 3579, LBBM, Observatoire Océanologique, F-66650, Banyuls/Mer, France
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Kim H, Yang I, Patil RS, Kang S, Lee J, Choi H, Kim MS, Nam SJ, Kang H. Anithiactins A-C, modified 2-phenylthiazoles from a mudflat-derived Streptomyces sp. JOURNAL OF NATURAL PRODUCTS 2014; 77:2716-2719. [PMID: 25455147 DOI: 10.1021/np500558b] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2023]
Abstract
Intensive investigation of the chemical components of a Streptomyces sp. isolated from mudflat sediments collected on the southern coast of the Korean peninsula led to the isolation of three new compounds, anithiactins A-C (1-3). The chemical structures of anithiactins A and C were determined by interpretation of NMR data analyses, while the chemical structure of anithiactin B was established from a combination of NMR spectroscopic and crystallographic data analyses. The structure of anithiactin A was also confirmed by total synthesis. These three anithiactins displayed moderate acetylcholinesterase inhibitory activity with no significant cytotoxicity.
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Affiliation(s)
- Hiyoung Kim
- Center for Marine Natural Products and Drug Discovery, School of Earth and Environmental Sciences, and ∥Research Institute of Oceanography, Seoul National University , NS-80, 151-747, Seoul, Republic of Korea
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Yang Y, Yu T, Lian YJ, Ma R, Yang S, Cho JY. Nitric oxide synthase inhibitors: a review of patents from 2011 to the present. Expert Opin Ther Pat 2014; 25:49-68. [PMID: 25380586 DOI: 10.1517/13543776.2014.979154] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
Abstract
INTRODUCTION Nitric oxide synthases (NOSs) are a family of enzymes that play an essential role in synthesizing nitric oxide (NO) by oxidizing l-arginine. As previously reported, NO is a significant mediator in cellular signaling pathways. It serves as a crucial regulator in insulin secretion, vascular tone, peristalsis, angiogenesis, neural development and inflammation. Due to its important role, the inhibition of these vital enzymes provides, as tools, the opportunity to gain an insight into potential therapeutic applications targeting NOSs. AREAS COVERED This paper reviews the patent literature between 2011 and mid-2014 that specified inhibitors of NOS family members as the significant targets. Google and Baidu search engines were used to find relevant patents and clinical information using NOSs or NOS inhibitor as search terms. EXPERT OPINION Considerable recent progress has been made in the development of NOS inhibitors with pharmacodynamic and pharmacokinetic properties, and such development is likely to continue. The patented compounds attenuated mostly embodying evidence from in vitro and in vivo trials that demonstrate good potential for future clinical human trials and industrial applications. Furthermore, new techniques such as X-ray ligand crystallographic study and structure-activity relationship were popularly utilized, which give new insights for developing novel, safe, efficient and selective NOS inhibitors.
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Affiliation(s)
- Yanyan Yang
- Institute for Translational Medicine, College of Medicine, Qingdao University , Qingdao 266021 , China
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