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Quan X, Shen K, Yang WL, Li Z, Maienfisch P. Design, Synthesis, and Biological Activity of Silicon-Containing Carboxamide Fungicides. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2024; 72:17260-17270. [PMID: 39057603 DOI: 10.1021/acs.jafc.4c03001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/28/2024]
Abstract
Bioisosteric silicon replacement has proven to be a valuable strategy in the design of bioactive molecules for crop protection and drug development. Twenty-one novel carboxamides possessing a silicon-containing biphenyl moiety were synthesized and tested for their antifungal activity and succinate dehydrogenase (SDH) enzymatic inhibitory activity. Among these novel succinate dehydrogenase inhibitors (SDHIs), compounds 3a, 3e, 4l, and 4o possessing appropriate clog P and topological polar surface area values showed excellent inhibitory effects against Rhizoctonia solani, Sclerotinia sclerotiorum, Botrytis cinerea, and Fusarium graminearum at 10 mg/L in vitro, and the EC50 values of 4l and 4o were 0.52 and 0.16 mg/L against R. solani and 0.066 and 0.054 mg/L against S. sclerotiorum, respectively, which were superior to those of Boscalid. Moreover, compound 3a demonstrated superior SDH enzymatic inhibitory activity (IC50 = 8.70 mg/L), exhibiting 2.54-fold the potency of Boscalid (IC50 = 22.09 mg/L). Docking results and scanning electron microscope experiments revealed similar mode of action between compound 3a and Boscalid. The new silicon-containing carboxamide 3a is a promising SDHI candidate that deserves further investigation.
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Affiliation(s)
- Xiaocao Quan
- Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China
| | - Kunkun Shen
- Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China
| | - Wu-Lin Yang
- Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China
| | - Zhong Li
- Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China
- State Key Laboratory of Bioreactor Engineering, East China University of Science and Technology, Shanghai 200237, China
| | - Peter Maienfisch
- Shanghai Key Laboratory of Chemical Biology, School of Pharmacy, East China University of Science and Technology, Shanghai 200237, China
- CreInSol Consulting & Biocontrols, CH-4118 Rodersdorf, Switzerland
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2
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Namba N, Fujii S. Hydroboration of vinylsilanes providing diversity-oriented hydrophobic building blocks for biofunctional molecules. Org Biomol Chem 2024. [PMID: 38826124 DOI: 10.1039/d4ob00632a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/04/2024]
Abstract
Hydroboration of vinylsilanes with BH3 affords two silylethanol regioisomers. Herein, we investigated the regioisomeric ratio of hydroboration products from various vinylsilanes, focusing on the characteristic reaction profile. All investigated vinylsilanes afforded both regioisomers, and greater bulkiness increased the proportion of the Markovnikov products. The obtained silylethanols were used as hydrophobic building blocks for constructing nuclear progesterone receptor (PR) modulators. Notably, structural conversions from an α-isomer (silylethan-1-oxy derivative) to a β-isomer (2-silylethoxy derivative) caused complete activity-switching from a PR agonist to an antagonist. Our results indicate that silylethanols are useful for structural development, and vinylsilanes are a versatile source of hydrophobic building blocks for obtaining biofunctional molecules.
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Affiliation(s)
- Nao Namba
- Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, 2-3-10 Kanda-Surugadai, Chiyoda-ku, Tokyo 101-0062, Japan.
| | - Shinya Fujii
- Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University, 2-3-10 Kanda-Surugadai, Chiyoda-ku, Tokyo 101-0062, Japan.
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3
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Hayashi D, Tsuda T, Shintani R. Palladium-Catalyzed Skeletal Rearrangement of Substituted 2-Silylaryl Triflates via 1,5-C-Pd/C-Si Bond Exchange. Angew Chem Int Ed Engl 2023; 62:e202313171. [PMID: 37935641 DOI: 10.1002/anie.202313171] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/05/2023] [Revised: 11/05/2023] [Accepted: 11/07/2023] [Indexed: 11/09/2023]
Abstract
A palladium-catalyzed skeletal rearrangement of 2-(2-allylarylsilyl)aryl triflates has been developed to give highly fused tetrahydrophenanthrosilole derivatives via unprecedented 1,5-C-Pd/C-Si bond exchange. The reaction pathways can be switched toward 4-membered ring-forming C(sp2 )-H alkylation by tuning the reaction conditions to give completely different products, fused dihydrodibenzosilepin derivatives, from the same starting materials. The inspection of the reaction conditions revealed the importance of carboxylates in promoting the C-Pd/C-Si bond exchange.
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Affiliation(s)
- Daigo Hayashi
- Division of Chemistry, Department of Materials Engineering Science, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
| | - Tomohiro Tsuda
- Division of Chemistry, Department of Materials Engineering Science, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
| | - Ryo Shintani
- Division of Chemistry, Department of Materials Engineering Science, Graduate School of Engineering Science, Osaka University, Toyonaka, Osaka 560-8531, Japan
- Innovative Catalysis Science Division, Institute for Open and Transdisciplinary Research Initiatives (ICS-OTRI), Osaka University, Suita, Osaka 565-0871, Japan
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Fotie J, Matherne CM, Wroblewski JE. Silicon switch: Carbon-silicon Bioisosteric replacement as a strategy to modulate the selectivity, physicochemical, and drug-like properties in anticancer pharmacophores. Chem Biol Drug Des 2023; 102:235-254. [PMID: 37029092 DOI: 10.1111/cbdd.14239] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2023] [Revised: 03/19/2023] [Accepted: 03/21/2023] [Indexed: 04/09/2023]
Abstract
Bioisosterism is one of the leading strategies in medicinal chemistry for the design and modification of drugs, consisting in replacing an atom or a substituent with a different atom or a group with similar chemical properties and an inherent biocompatibility. The objective of such an exercise is to produce a diversity of molecules with similar behavior while enhancing the desire biological and pharmacological properties, without inducing significant changes to the chemical framework. In drug discovery and development, the optimization of the absorption, distribution, metabolism, elimination, and toxicity (ADMETox) profile is of paramount importance. Silicon appears to be the right choice as a carbon isostere because they possess very similar intrinsic properties. However, the replacement of a carbon by a silicon atom in pharmaceuticals has proven to result in improved efficacy and selectivity, while enhancing physicochemical properties and bioavailability. The current review discusses how silicon has been strategically introduced to modulate drug-like properties of anticancer agents, from a molecular design strategy, biological activity, computational modeling, and structure-activity relationships perspectives.
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Affiliation(s)
- Jean Fotie
- Department of Chemistry and Physics, Southeastern Louisiana University, Hammond, Louisiana, USA
| | - Caitlyn M Matherne
- Department of Chemistry and Physics, Southeastern Louisiana University, Hammond, Louisiana, USA
| | - Jordan E Wroblewski
- Department of Chemistry and Physics, Southeastern Louisiana University, Hammond, Louisiana, USA
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Fujii S. Design Strategy of Biologically Active Compounds Using Various Elements. YAKUGAKU ZASSHI 2022; 142:131-137. [DOI: 10.1248/yakushi.21-00173-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Shinya Fujii
- Institute of Biomaterials and Bioengineering, Tokyo Medical and Dental University
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Pan P, Yuan Q, Liu S, Zhao J, Zhang Y. Research of Quinuclidine-Promoted C—H Silylation of Electron- Deficient Nitrogen Heteroarenes. CHINESE J ORG CHEM 2022. [DOI: 10.6023/cjoc202110003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022]
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Synthesis of Luminescent 2-7 Disubstituted Silafluorenes with alkynyl-carbazole, -phenanthrene, and -benzaldehyde substituents. J Organomet Chem 2020. [DOI: 10.1016/j.jorganchem.2020.121514] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
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Multi-targeted anti-leukemic drug design with the incorporation of silicon into Nelarabine: How silicon increases bioactivity. Eur J Pharm Sci 2019; 134:266-273. [PMID: 31028821 DOI: 10.1016/j.ejps.2019.04.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2019] [Revised: 03/19/2019] [Accepted: 04/04/2019] [Indexed: 12/23/2022]
Abstract
Acute Lymphoblastic Leukemia (ALL) represents 30% of all childhood cancers and children younger than 5 years old have the highest risk for developing ALL. Existing ALL drugs do not respond in approximately 20% of treatment. Therefore, drug development studies against ALL must be continued with either developing existing drugs or discovering new ones. In this study, we evaluated the U.S Food and Drug Administration (FDA) approved ALL drugs according to their physicochemical and pharmaceutical properties, and Nelarabine was found to have the highest bioactivity score. Using the key strategy of bioisosterism commonly accepted by medicinal chemists, we investigated in silico ADME properties, drug-likeness, and biological activity of new designed twenty-four compounds including Nelarabine. The results were evaluated in terms of two classifications: broad spectrum biological activity and filtering of five different drug likeness criteria of the literature including Lipinski's rule of five. We interestingly observed that silicon incorporated compounds exhibited better performance on both criteria by targeting broader spectrum of drug receptors including G-protein coupled receptor (GPCR), ion channel modulator, kinase inhibitor, protease and enzyme inhibitor and by satisfying all of five different drug-likeness criteria reported in the literature. Design compound C19 appeared as a potential drug candidate for further pharmacological research.
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Rauhamäki S, Postila PA, Lätti S, Niinivehmas S, Multamäki E, Liedl KR, Pentikäinen OT. Discovery of Retinoic Acid-Related Orphan Receptor γt Inverse Agonists via Docking and Negative Image-Based Screening. ACS OMEGA 2018; 3:6259-6266. [PMID: 30023945 PMCID: PMC6044741 DOI: 10.1021/acsomega.8b00603] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/29/2018] [Accepted: 05/31/2018] [Indexed: 05/14/2023]
Abstract
Retinoic acid-related orphan receptor γt (RORγt) has a vital role in the differentiation of T-helper 17 (TH17) cells. Potent and specific RORγt inverse agonists are sought for treating TH17-related diseases such as psoriasis, rheumatoid arthritis, and type 1 diabetes. Here, the aim was to discover novel RORγt ligands using both standard molecular docking and negative image-based screening. Interestingly, both of these in silico techniques put forward mostly the same compounds for experimental testing. In total, 11 of the 34 molecules purchased for testing were verified as RORγt inverse agonists, thus making the effective hit rate 32%. The pIC50 values for the compounds varied from 4.9 (11 μM) to 6.2 (590 nM). Importantly, the fact that the verified hits represent four different cores highlights the structural diversity of the RORγt inverse agonism and the ability of the applied screening methodologies to facilitate much-desired scaffold hopping for drug design.
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Affiliation(s)
- Sanna Rauhamäki
- Department
of Biological and Environmental Science & Nanoscience Center, University of Jyväskylä, P.O. Box 35, Jyväskylä FI-40014 University of Jyvaskyla, Finland
| | - Pekka A. Postila
- Department
of Biological and Environmental Science & Nanoscience Center, University of Jyväskylä, P.O. Box 35, Jyväskylä FI-40014 University of Jyvaskyla, Finland
| | - Sakari Lätti
- Department
of Biological and Environmental Science & Nanoscience Center, University of Jyväskylä, P.O. Box 35, Jyväskylä FI-40014 University of Jyvaskyla, Finland
- Institute
of Biomedicine, Integrative Physiology and Pharmacology, Kiinamyllynkatu 10 C6, University of Turku, FI-20520 Turku, Finland
| | - Sanna Niinivehmas
- Department
of Biological and Environmental Science & Nanoscience Center, University of Jyväskylä, P.O. Box 35, Jyväskylä FI-40014 University of Jyvaskyla, Finland
- Institute
of Biomedicine, Integrative Physiology and Pharmacology, Kiinamyllynkatu 10 C6, University of Turku, FI-20520 Turku, Finland
| | - Elina Multamäki
- Department
of Biological and Environmental Science & Nanoscience Center, University of Jyväskylä, P.O. Box 35, Jyväskylä FI-40014 University of Jyvaskyla, Finland
| | - Klaus R. Liedl
- Institute
of General, Inorganic and Theoretical Chemistry, Centre for Chemistry
and Biomedicine, University of Innsbruck, Innrain 82, A-6020 Innsbruck, Austria
| | - Olli T. Pentikäinen
- Department
of Biological and Environmental Science & Nanoscience Center, University of Jyväskylä, P.O. Box 35, Jyväskylä FI-40014 University of Jyvaskyla, Finland
- Institute
of Biomedicine, Integrative Physiology and Pharmacology, Kiinamyllynkatu 10 C6, University of Turku, FI-20520 Turku, Finland
- Institute
of General, Inorganic and Theoretical Chemistry, Centre for Chemistry
and Biomedicine, University of Innsbruck, Innrain 82, A-6020 Innsbruck, Austria
- E-mail: (O.T.P.)
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10
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Mei C, Lu W. Palladium(II)-Catalyzed Oxidative Homo- and Cross-Coupling of Aryl ortho-sp2 C–H Bonds of Anilides at Room Temperature. J Org Chem 2018; 83:4812-4823. [DOI: 10.1021/acs.joc.8b00120] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Affiliation(s)
- Chong Mei
- Department of Chemistry, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Wenjun Lu
- Department of Chemistry, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
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11
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Discovery of orally efficacious RORγt inverse agonists, part 1: Identification of novel phenylglycinamides as lead scaffolds. Bioorg Med Chem 2018; 26:483-500. [DOI: 10.1016/j.bmc.2017.12.006] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2017] [Revised: 11/30/2017] [Accepted: 12/03/2017] [Indexed: 12/31/2022]
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12
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Ramesh R, Reddy DS. Quest for Novel Chemical Entities through Incorporation of Silicon in Drug Scaffolds. J Med Chem 2017; 61:3779-3798. [DOI: 10.1021/acs.jmedchem.7b00718] [Citation(s) in RCA: 203] [Impact Index Per Article: 29.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Affiliation(s)
- Remya Ramesh
- CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune, 411008, India
- Academy of Scientific and Innovative Research (AcSIR), New Delhi, 110 025, India
| | - D. Srinivasa Reddy
- CSIR-National Chemical Laboratory, Dr. Homi Bhabha Road, Pune, 411008, India
- Academy of Scientific and Innovative Research (AcSIR), New Delhi, 110 025, India
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Abstract
Application of silyl functionalities is one of the most promising strategies among various ‘elements chemistry’ approaches for the development of novel and distinctive drug candidates. Replacement of one or more carbon atoms of various biologically active compounds with silicon (so-called sila-substitution) has been intensively studied for decades, and is often effective for alteration of activity profile and improvement of metabolic profile. In addition to simple C/Si exchange, several novel approaches for utilizing silicon in medicinal chemistry have been suggested in recent years, focusing on the intrinsic differences between silicon and carbon. Sila-substitution offers great potential for enlarging the chemical space of medicinal chemistry, and provides many options for structural development of drug candidates.
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Fujii S. Development of Novel Hydrophobic Pharmacophores Based on Three-dimensional Molecular Architectures and Elements Chemistry. YAKUGAKU ZASSHI 2017; 137:31-41. [DOI: 10.1248/yakushi.16-00201] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Affiliation(s)
- Shinya Fujii
- Institute of Molecular and Cellular Biosciences, The University of Tokyo
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15
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Cyr P, Bronner SM, Crawford JJ. Recent progress on nuclear receptor RORγ modulators. Bioorg Med Chem Lett 2016; 26:4387-4393. [PMID: 27542308 DOI: 10.1016/j.bmcl.2016.08.012] [Citation(s) in RCA: 75] [Impact Index Per Article: 9.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2016] [Revised: 08/04/2016] [Accepted: 08/05/2016] [Indexed: 12/28/2022]
Abstract
The retinoic acid receptor-related orphan receptor RORγ plays key roles in the development and differentiation of TH17 cells, and thus in IL-17 expression, thymocyte development and regulation of metabolism. With the recent progression into phase 2 clinical trials of both oral and topically administered inverse agonists, and with others close behind, there is significant interest in the discovery of RORγ modulators. This digest covers key developments around RORγ agonists, antagonists and inverse agonists; orthosteric and allosteric binders; and aims to summarize the available information concerning the potential utility of RORγ modulators.
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Affiliation(s)
- Patrick Cyr
- Discovery Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, USA.
| | - Sarah M Bronner
- Discovery Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, USA
| | - James J Crawford
- Discovery Chemistry, Genentech, Inc., 1 DNA Way, South San Francisco, CA 94080, USA
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Fujii S. Expanding the chemical space of hydrophobic pharmacophores: the role of hydrophobic substructures in the development of novel transcription modulators. MEDCHEMCOMM 2016. [DOI: 10.1039/c6md00012f] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Interactions between biologically active compounds and their targets often involve hydrophobic interactions, and hydrophobicity also influences the pharmacokinetic profile.
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Affiliation(s)
- Shinya Fujii
- Institute of Molecular and Cellular Biosciences
- The University of Tokyo
- Tokyo 113-0032
- Japan
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Fauber BP, Gobbi A, Savy P, Burton B, Deng Y, Everett C, La H, Johnson AR, Lockey P, Norman M, Wong H. Identification of N-sulfonyl-tetrahydroquinolines as RORc inverse agonists. Bioorg Med Chem Lett 2015; 25:4109-13. [DOI: 10.1016/j.bmcl.2015.08.028] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/24/2015] [Revised: 08/06/2015] [Accepted: 08/10/2015] [Indexed: 12/14/2022]
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