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Ivleva EA, Zaborskaya MS, Shiryaev VA, Klimochkin YN. One pot synthesis of bridgehead amino alcohols from diamantoid hydrocarbons. SYNTHETIC COMMUN 2023. [DOI: 10.1080/00397911.2023.2177173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/23/2023]
Affiliation(s)
- Elena A. Ivleva
- Department of Organic Chemistry, Samara State Technical University, Samara, Russian Federation
| | - Maria S. Zaborskaya
- Department of Organic Chemistry, Samara State Technical University, Samara, Russian Federation
| | - Vadim A. Shiryaev
- Department of Organic Chemistry, Samara State Technical University, Samara, Russian Federation
| | - Yuri N. Klimochkin
- Department of Organic Chemistry, Samara State Technical University, Samara, Russian Federation
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Wu Y, Ma Z, Mai X, Liu X, Li P, Qi X, Li G, Li J. Identification of a Novel Inhibitor of TfR1 from Designed and Synthesized Muriceidine A Derivatives. Antioxidants (Basel) 2022; 11:antiox11050834. [PMID: 35624697 PMCID: PMC9137542 DOI: 10.3390/antiox11050834] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Revised: 04/12/2022] [Accepted: 04/22/2022] [Indexed: 02/06/2023] Open
Abstract
The transferrin receptor 1 (TfR1) plays a key role in cellular iron uptake through its interaction with iron-bound Tf. TfR1 is often reported to be overexpressed in malignant cells, and this increase may be associated with poor prognosis in different types of cancer, which makes it an attractive target for antitumor therapy. The marine natural product Muriceidine A is a potent anticancer agent reported in our previous work. In this study, we designed and synthesized a series of Muriceidine A derivatives and described the systematic investigation into their cytotoxic activities against four tumor cells. Most of the derivatives showed stronger antitumor activity and we found that the introduction of electron-donating groups at position C-2 of unsaturated piperidine was beneficial to anticancer activity and unsaturated piperidine was responsible for the antiproliferative activity. Among these compounds, 12b (methyl at position C-2 of unsaturated piperidine) exhibited the strongest cytotoxicity against MDA-MB-231 cells. Further pharmacological research showed that 12b bound to Transferrin receptor 1 (TfR1) directly caused iron deprivation and ROS imbalance along with the degradations of several oncoproteins, especially FGFR1, through the proteasome pathway; thus, inducing cell cycle arrest and apoptosis in MDA-MB-231 breast cancer cells. Our findings indicate that 12b is a promising lead compound targeting TfR1 for triple negative breast cancer.
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Affiliation(s)
- Yu Wu
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China; (Y.W.); (Z.M.); (X.M.); (X.L.); (P.L.); (X.Q.)
| | - Zongchen Ma
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China; (Y.W.); (Z.M.); (X.M.); (X.L.); (P.L.); (X.Q.)
| | - Xiaoyuan Mai
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China; (Y.W.); (Z.M.); (X.M.); (X.L.); (P.L.); (X.Q.)
| | - Xiaoling Liu
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China; (Y.W.); (Z.M.); (X.M.); (X.L.); (P.L.); (X.Q.)
| | - Pinglin Li
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China; (Y.W.); (Z.M.); (X.M.); (X.L.); (P.L.); (X.Q.)
| | - Xin Qi
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China; (Y.W.); (Z.M.); (X.M.); (X.L.); (P.L.); (X.Q.)
| | - Guoqiang Li
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China; (Y.W.); (Z.M.); (X.M.); (X.L.); (P.L.); (X.Q.)
- Laboratory for Marine Drugs and Bioproducts, Open Studio for Druggability Research of Marine Natural Products, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
- Correspondence: (G.L.); (J.L.)
| | - Jing Li
- Key Laboratory of Marine Drugs, Chinese Ministry of Education, School of Medicine and Pharmacy, Ocean University of China, Qingdao 266003, China; (Y.W.); (Z.M.); (X.M.); (X.L.); (P.L.); (X.Q.)
- Laboratory for Marine Drugs and Bioproducts, Open Studio for Druggability Research of Marine Natural Products, Qingdao National Laboratory for Marine Science and Technology, Qingdao 266237, China
- Correspondence: (G.L.); (J.L.)
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Tkachenko IM, Mankova PA, Rybakov VB, Golovin EV, Klimochkin YN. Wagner-Meerwein type rearrangement in 5-oxohomoadamantane series. Org Biomol Chem 2020; 18:465-478. [PMID: 31845947 DOI: 10.1039/c9ob02060h] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Efficient methods for introducing various substituents into the α-position of ethyl 5-oxohomoadamantyl-4-carboxylate are reported. An unexpected acid-catalysed 1,2-alkyl shift in the series of synthesized α,α-bis-substituted 5-oxohomoadamantanes, and also in the hydroxy derivatives of homoadamantane was found. Such a retropinacol-like rearrangement leads to tetra- or pentacyclic mono- or bis-lactones containing a homoadamantane moiety. This new transformation opens access to the synthesis of previously unknown 2,4-di and 2,3,4-trisubstituted derivatives of homoadamantane. The resulting caged γ-butyro- and δ-valerolactones could be considered as potential synthetic or metabolic precursors of conformationally restricted GABA and δ-aminovaleric acid analogues.
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Affiliation(s)
- Ilya M Tkachenko
- Samara State Technical University, 244, Molodogvardeyskaya st., Samara, 443100, Russian Federation.
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Liu YY, Ao Z, Xue GM, Wang XB, Luo JG, Kong LY. Hypatulone A, a Homoadamantane-Type Acylphloroglucinol with an Intricately Caged Core from Hypericum patulum. Org Lett 2018; 20:7953-7956. [DOI: 10.1021/acs.orglett.8b03523] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Yang-Yang Liu
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, People’s Republic of China
| | - Zhen Ao
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, People’s Republic of China
| | - Gui-Min Xue
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, People’s Republic of China
| | - Xiao-Bing Wang
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, People’s Republic of China
| | - Jian-Guang Luo
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, People’s Republic of China
| | - Ling-Yi Kong
- Jiangsu Key Laboratory of Bioactive Natural Product Research and State Key Laboratory of Natural Medicines, School of Traditional Chinese Pharmacy, China Pharmaceutical University, 24 Tong Jia Xiang, Nanjing 210009, People’s Republic of China
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Otte DL, Borchmann DE, Lin C, Weck M, Woerpel KA. 13C NMR spectroscopy for the quantitative determination of compound ratios and polymer end groups. Org Lett 2014; 16:1566-9. [PMID: 24601654 PMCID: PMC3993867 DOI: 10.1021/ol403776k] [Citation(s) in RCA: 78] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2013] [Indexed: 01/20/2023]
Abstract
(13)C NMR spectroscopic integration employing short relaxation delays was evaluated as a quantitative tool to obtain ratios of diastereomers, regioisomers, constitutional isomers, mixtures of unrelated compounds, peptoids, and sugars. The results were compared to established quantitative methods such as (1)H NMR spectroscopic integration, gas chromatography, and high-performance liquid chromatography and were found to be within <3.4% of (1)H NMR spectroscopic values (most examples give results within <2%). Acquisition of the spectra took 2-30 min on as little as 10 mg of sample, proving the general utility of the technique. The simple protocol was extended to include end group analysis of low molecular weight polymers, which afforded results in accordance with (1)H NMR spectroscopy and matrix-assisted laser desorption-ionization time-of-flight spectrometry.
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Affiliation(s)
- Douglas
A. L. Otte
- Department of Chemistry, New York University, New York, New York 10003, United States
| | - Dorothee E. Borchmann
- Department of Chemistry, New York University, New York, New York 10003, United States
| | - Chin Lin
- Department of Chemistry, New York University, New York, New York 10003, United States
| | - Marcus Weck
- Department of Chemistry, New York University, New York, New York 10003, United States
| | - K. A. Woerpel
- Department of Chemistry, New York University, New York, New York 10003, United States
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Ogawa K, Minegishi S, Komatsu K, Kitagawa T. Generation and Reaction of a Phenyl-Substituted Cyclopentadienyl Cation Annelated with Two Homoadamantene Frameworks. J Org Chem 2008; 73:5248-54. [DOI: 10.1021/jo800340g] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Affiliation(s)
- Kohei Ogawa
- Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan, Department of Environmental and Biotechnological Frontier Engineering, Fukui University of Technology, Gakuen, Fukui 910-8505, Japan, and Department of Chemistry for Materials, Graduate School of Engineering, Mie University, Tsu, Mie 514-8507, Japan
| | - Shinya Minegishi
- Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan, Department of Environmental and Biotechnological Frontier Engineering, Fukui University of Technology, Gakuen, Fukui 910-8505, Japan, and Department of Chemistry for Materials, Graduate School of Engineering, Mie University, Tsu, Mie 514-8507, Japan
| | - Koichi Komatsu
- Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan, Department of Environmental and Biotechnological Frontier Engineering, Fukui University of Technology, Gakuen, Fukui 910-8505, Japan, and Department of Chemistry for Materials, Graduate School of Engineering, Mie University, Tsu, Mie 514-8507, Japan
| | - Toshikazu Kitagawa
- Institute for Chemical Research, Kyoto University, Uji, Kyoto 611-0011, Japan, Department of Environmental and Biotechnological Frontier Engineering, Fukui University of Technology, Gakuen, Fukui 910-8505, Japan, and Department of Chemistry for Materials, Graduate School of Engineering, Mie University, Tsu, Mie 514-8507, Japan
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Abstract
The solvolysis rate of 2-bicyclo[3.2.2]nonyl p-toluenesulfonate (6-OTs) was nearly equal to that of cycloheptyl p-toluenesulfonate in 2,2,2-trifluoroethanol (TFE). This indicates that the ethylene bridge in 6-OTs does not significantly enhance the rate and that 6-OTs ionizes without anchimeric assistance. The solvolysis of [1-(13)C]-2-bicyclo[3.2.2]nonyl p-toluenesulfonate in methanol or TFE gave 2-substituted bicyclo[3.2.2]nonane, exo-2-substituted bicyclo[3.3.1]nonane, 2-bicyclo[3.2.2]nonene (10), and 2-bicyclo[3.3.1]nonene (11), whose distributions of (13)C labels were determined by quantitative (13)C NMR analysis using a relaxation reagent. The (13)C labels were exclusively placed at only two positions, the ratios of them were not unity, and the labels in 10 were less extensively scrambled than those in other products. These results indicate that the 2-bicyclo[3.2.2]nonyl cation is classical and that 10 is formed at a former ionization stage than 2-substituted bicyclo[3.2.2]nonane. The (13)C redistributions for both exo-2-substituted bicyclo[3.3.1]nonane and 11, which are yielded via 1,3-hydride shift, were similar to that of 2-substituted bicyclo[3.2.2]nonane, suggesting that 1,3-hydride shift occurs mainly at the solvent-separated ion pair.
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Takeuchi K, Ohga Y. Synthesis of Bifunctional Polycyclic Compounds and Their Application to Mechanistic Studies of Solvolysis Reactions. BCSJ 1996. [DOI: 10.1246/bcsj.69.833] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/12/2022]
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Okazaki T, Terakawa E, Kitagawa T, Takeuchi K. Solvolysis of [3-13C]-3,4-dimethyl-4-homoadamantyl p-nitrobenzoate. Comparison of the barriers to the Wagner-Meerwein rearrangement of the secondary and tertiary 4-homoadamantyl cations. Tetrahedron Lett 1996. [DOI: 10.1016/0040-4039(95)02341-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/17/2022]
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Okazaki T, Kitagawa T, Takeuchi K. Solvolysis of 3-substituted 4-homoadamantyl methanesulphonates. Can the ?-substituent effect distinguish between classical and non-classical ion intermediates? J PHYS ORG CHEM 1994. [DOI: 10.1002/poc.610070904] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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