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Scharinger F, Pálvölgyi ÁM, Weisz M, Weil M, Stanetty C, Schnürch M, Bica‐Schröder K. Sterically Demanding Flexible Phosphoric Acids for Constructing Efficient and Multi-Purpose Asymmetric Organocatalysts. ANGEWANDTE CHEMIE (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 134:e202202189. [PMID: 38504771 PMCID: PMC10947075 DOI: 10.1002/ange.202202189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Indexed: 11/08/2022]
Abstract
Herein, we present a novel approach for various asymmetric transformations of cyclic enones. The combination of readily accessible chiral diamines and sterically demanding flexible phosphoric acids resulted in a simple and highly tunable catalyst framework. The careful optimization of the catalyst components led to the identification of a particularly powerful and multi-purpose organocatalyst, which was successfully applied for asymmetric epoxidations, aziridinations, aza-Michael-initiated cyclizations, as well as for a novel Robinson-like Michael-initiated ring closure/aldol cyclization. High catalytic activities and excellent stereocontrol was observed for all four reaction types, indicating the excellent versatility of our catalytic system. Furthermore, a simple change in the diamine's configuration provided easy access to both product antipodes in all cases.
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Affiliation(s)
- Fabian Scharinger
- Institute of Applied Synthetic Chemistry, TU WienGetreidemarkt 9/1631060WienAustria
| | - Ádám Márk Pálvölgyi
- Institute of Applied Synthetic Chemistry, TU WienGetreidemarkt 9/1631060WienAustria
| | - Melanie Weisz
- Institute of Applied Synthetic Chemistry, TU WienGetreidemarkt 9/1631060WienAustria
| | - Matthias Weil
- Institute of Chemical Technologies and Analytics, TU WienGetreidemarkt 9/1631060WienAustria
| | - Christian Stanetty
- Institute of Applied Synthetic Chemistry, TU WienGetreidemarkt 9/1631060WienAustria
| | - Michael Schnürch
- Institute of Applied Synthetic Chemistry, TU WienGetreidemarkt 9/1631060WienAustria
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Scharinger F, Pálvölgyi ÁM, Weisz M, Weil M, Stanetty C, Schnürch M, Bica‐Schröder K. Sterically Demanding Flexible Phosphoric Acids for Constructing Efficient and Multi‐Purpose Asymmetric Organocatalysts. Angew Chem Int Ed Engl 2022; 61:e202202189. [PMID: 35413147 PMCID: PMC9324080 DOI: 10.1002/anie.202202189] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2022] [Indexed: 11/23/2022]
Abstract
Herein, we present a novel approach for various asymmetric transformations of cyclic enones. The combination of readily accessible chiral diamines and sterically demanding flexible phosphoric acids resulted in a simple and highly tunable catalyst framework. The careful optimization of the catalyst components led to the identification of a particularly powerful and multi‐purpose organocatalyst, which was successfully applied for asymmetric epoxidations, aziridinations, aza‐Michael‐initiated cyclizations, as well as for a novel Robinson‐like Michael‐initiated ring closure/aldol cyclization. High catalytic activities and excellent stereocontrol was observed for all four reaction types, indicating the excellent versatility of our catalytic system. Furthermore, a simple change in the diamine's configuration provided easy access to both product antipodes in all cases.
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Affiliation(s)
- Fabian Scharinger
- Institute of Applied Synthetic Chemistry, TU Wien Getreidemarkt 9/163 1060 Wien Austria
| | - Ádám Márk Pálvölgyi
- Institute of Applied Synthetic Chemistry, TU Wien Getreidemarkt 9/163 1060 Wien Austria
| | - Melanie Weisz
- Institute of Applied Synthetic Chemistry, TU Wien Getreidemarkt 9/163 1060 Wien Austria
| | - Matthias Weil
- Institute of Chemical Technologies and Analytics, TU Wien Getreidemarkt 9/163 1060 Wien Austria
| | - Christian Stanetty
- Institute of Applied Synthetic Chemistry, TU Wien Getreidemarkt 9/163 1060 Wien Austria
| | - Michael Schnürch
- Institute of Applied Synthetic Chemistry, TU Wien Getreidemarkt 9/163 1060 Wien Austria
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Ueno M, Yokoi T, Nakagawa Y, Miyagawa H. Receptor-binding affinity and larvicidal activity of tetrahydroquinoline-type ecdysone agonists against Aedes albopictus. JOURNAL OF PESTICIDE SCIENCE 2021; 46:101-108. [PMID: 33746551 PMCID: PMC7953027 DOI: 10.1584/jpestics.d20-089] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/04/2020] [Accepted: 01/07/2021] [Indexed: 06/12/2023]
Abstract
Tetrahydroquinolines (THQs), a class of nonsteroidal ecdysone agonists, are good candidates for novel mosquito control agents because they specifically bind to mosquito ecdysone receptors (EcRs). We have recently performed quantitative structure-activity relationship (QSAR) analyses of THQs to elucidate the physicochemical properties important for the ligand-receptor interaction. Based on previous QSAR results, here, we newly synthesized 15 THQ analogs with a heteroaryl group at the acyl moiety and evaluated their binding affinity against Aedes albopictus EcRs. We also measured the larvicidal activity of the combined set of previously and newly synthesized compounds against A. albopictus to examine the contribution of receptor-binding to larvicidal activity. Multiple regression analyses showed that the binding affinity and the molecular hydrophobicity of THQs are the key determinants of their larvicidal activity.
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Affiliation(s)
- Minori Ueno
- Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University, Kitashirakawa Oiwake-cho, Sakyo-ku, Kyoto 606–8502, Japan
| | - Taiyo Yokoi
- Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University, Kitashirakawa Oiwake-cho, Sakyo-ku, Kyoto 606–8502, Japan
| | - Yoshiaki Nakagawa
- Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University, Kitashirakawa Oiwake-cho, Sakyo-ku, Kyoto 606–8502, Japan
| | - Hisashi Miyagawa
- Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University, Kitashirakawa Oiwake-cho, Sakyo-ku, Kyoto 606–8502, Japan
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Vinogradov MG, Turova OV, Zlotin SG. Catalytic Asymmetric Aza‐Diels‐Alder Reaction: Pivotal Milestones and Recent Applications to Synthesis of Nitrogen‐Containing Heterocycles. Adv Synth Catal 2021. [DOI: 10.1002/adsc.202001307] [Citation(s) in RCA: 20] [Impact Index Per Article: 6.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Maxim G. Vinogradov
- N.D. Zelinsky Institute of Organic Chemistry Russian Academy of Sciences 47 Leninsky prosp. 119991 Moscow Russian Federation
| | - Olga V. Turova
- N.D. Zelinsky Institute of Organic Chemistry Russian Academy of Sciences 47 Leninsky prosp. 119991 Moscow Russian Federation
| | - Sergei G. Zlotin
- N.D. Zelinsky Institute of Organic Chemistry Russian Academy of Sciences 47 Leninsky prosp. 119991 Moscow Russian Federation
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Zhu Y, Zhou J, Li J, Xu K, Ye J, Lu Y, Liu D, Zhang W. Kinetic resolution of azaflavanones via a RuPHOX-Ru catalyzed asymmetric hydrogenation. Org Chem Front 2021. [DOI: 10.1039/d1qo01310f] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
The kinetic resolution of azaflavanones has been established via RuPHOX-Ru catalyzed asymmetric hydrogenation, providing chiral azaflavanones and azaflavanols in high yields with up to >20 : 1 dr and 99.7% ee.
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Affiliation(s)
- Yue Zhu
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Pharmacy, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Jiayu Zhou
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Pharmacy, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Jing Li
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Pharmacy, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Kai Xu
- Frontiers Science Center for Transformative Molecules, School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Jianxun Ye
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Pharmacy, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Yufei Lu
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Pharmacy, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Delong Liu
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Pharmacy, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
| | - Wanbin Zhang
- Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, School of Pharmacy, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
- Frontiers Science Center for Transformative Molecules, School of Chemistry and Chemical Engineering, Shanghai Jiao Tong University, 800 Dongchuan Road, Shanghai 200240, China
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Xu-Xu QF, Zhang X, You SL. Enantioselective Synthesis of 4-Allyl Tetrahydroquinolines via Copper(I) Hydride-Catalyzed Hydroallylation of 1,2-Dihydroquinolines. Org Lett 2020; 22:1530-1534. [PMID: 32009411 DOI: 10.1021/acs.orglett.0c00113] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
CuCl/(R,R)-Ph-BPE-catalyzed asymmetric hydroallylation of 1,2-dihydroquinolines, prepared from readily available quinolines, was developed. The optically active tetrahydroquinolines (THQs) bearing an allylic functionality at position 4 were obtained in good yields and excellent enantioselectivity. The introduced allylic groups are amenable to diverse transformations, thus offering chances to rapidly expand the THQ libraries.
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Affiliation(s)
- Qing-Feng Xu-Xu
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis , Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences , 345 Lingling Lu , Shanghai 200032 , China
| | - Xiao Zhang
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis , Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences , 345 Lingling Lu , Shanghai 200032 , China
| | - Shu-Li You
- State Key Laboratory of Organometallic Chemistry, Center for Excellence in Molecular Synthesis , Shanghai Institute of Organic Chemistry, Chinese Academy of Sciences , 345 Lingling Lu , Shanghai 200032 , China
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Muthukrishnan I, Sridharan V, Menéndez JC. Progress in the Chemistry of Tetrahydroquinolines. Chem Rev 2019; 119:5057-5191. [PMID: 30963764 DOI: 10.1021/acs.chemrev.8b00567] [Citation(s) in RCA: 229] [Impact Index Per Article: 45.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Tetrahydroquinoline is one of the most important simple nitrogen heterocycles, being widespread in nature and present in a broad variety of pharmacologically active compounds. This Review summarizes the progress achieved in the chemistry of tetrahydroquinolines, with emphasis on their synthesis, during the period from mid-2010 to early 2018.
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Affiliation(s)
- Isravel Muthukrishnan
- Department of Chemistry, School of Chemical and Biotechnology , SASTRA Deemed University , Thanjavur 613401 , Tamil Nadu , India
| | - Vellaisamy Sridharan
- Department of Chemistry, School of Chemical and Biotechnology , SASTRA Deemed University , Thanjavur 613401 , Tamil Nadu , India.,Department of Chemistry and Chemical Sciences , Central University of Jammu , Rahya-Suchani (Bagla) , District-Samba, Jammu 181143 , Jammu and Kashmir , India
| | - J Carlos Menéndez
- Unidad de Química Orgańica y Farmacéutica, Departamento de Química en Ciencias Farmacéuticas, Facultad de Farmacia , Universidad Complutense , 28040 Madrid , Spain
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Yokoi T, Nakagawa Y, Miyagawa H. Asymmetric synthesis of tetrahydroquinoline-type ecdysone agonists and QSAR for their binding affinity against Aedes albopictus ecdysone receptors. PEST MANAGEMENT SCIENCE 2019; 75:115-124. [PMID: 30070016 DOI: 10.1002/ps.5160] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/11/2018] [Revised: 07/27/2018] [Accepted: 07/30/2018] [Indexed: 06/08/2023]
Abstract
BACKGROUND Tetrahydroquinolines (THQs) are a class of non-steroidal ecdysone agonists that specifically bind to mosquito ecdysone receptors (EcR). The THQ scaffold contains two chiral centers at the C-2 and C-4 positions, resulting in four stereoisomers. We have previously shown that the (2R,4S)-isomers are the most biologically active; however, the lack of a practical synthetic method for these isomers has hampered further structure-activity studies. RESULTS In this study, a chiral phosphoric acid-catalyzed Povarov reaction was employed to develop a facile asymmetric synthesis of THQs with a (2R,4S)-configuration, which allowed the preparation of a 40-compound library of enantiopure THQs. Evaluation of their binding affinity against Aedes albopictus EcR, followed by quantitative structure-activity relationship (QSAR) analyses, uncovered the physicochemical properties of THQs that are important for the ligand-receptor interaction. The most potent THQ derivative was twofold more active than the molting hormone, 20-hydroxyecdysone. CONCLUSION The QSAR results provide valuable information for the rational design of novel mosquito-specific ecdysone agonists. © 2018 Society of Chemical Industry.
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Affiliation(s)
- Taiyo Yokoi
- Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University, Kyoto, Japan
| | - Yoshiaki Nakagawa
- Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University, Kyoto, Japan
| | - Hisashi Miyagawa
- Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University, Kyoto, Japan
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Ito-Harashima S, Matsuura M, Kawanishi M, Nakagawa Y, Yagi T. New reporter gene assays for detecting natural and synthetic molting hormone agonists using yeasts expressing ecdysone receptors of various insects. FEBS Open Bio 2017; 7:995-1008. [PMID: 28680812 PMCID: PMC5494300 DOI: 10.1002/2211-5463.12239] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2017] [Revised: 04/18/2017] [Accepted: 05/02/2017] [Indexed: 01/14/2023] Open
Abstract
Synthetic nonsteroidal ecdysone agonists, a class of insect growth regulators (IGRs), target the ecdysone receptor (EcR), which forms a heterodimer with ultraspiracle (USP) to transactivate ecdysone response genes. These compounds have high binding affinities to the EcR–USP complexes of certain insects and their toxicity is selective for certain taxonomic orders. In the present study, we developed reporter gene assay (RGA) systems to detect molting hormone (ecdysone) activity by introducing EcR–USP cDNA and a bacterial lacZ reporter gene into yeast. EcR and USP were derived from the insect species of three different taxonomic orders: Drosophila melanogaster (Diptera), Chilo suppressalis (Lepidoptera), and Leptinotarsa decemlineata (Coleoptera). Transcriptional coactivator taiman (Tai) cDNA cloned from D. melanogaster was also used in this RGA system. This yeast RGA system responded to various EcR ligands in a dose‐dependent and ecdysteroid‐specific manner. Furthermore, the insect order‐selective ligand activities of synthetic nonsteroidal ecdysone agonists were linearly related to their binding activities, which were measured against in vitro translated EcR–USP complexes. Our newly established yeast RGA is useful for screening new molting hormone agonists that work selectively on target insects.
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Affiliation(s)
- Sayoko Ito-Harashima
- Department of Biology Graduate School of Science Osaka Prefecture University Sakai Osaka Japan
| | - Mai Matsuura
- Department of Biology Graduate School of Science Osaka Prefecture University Sakai Osaka Japan
| | - Masanobu Kawanishi
- Department of Biology Graduate School of Science Osaka Prefecture University Sakai Osaka Japan
| | - Yoshiaki Nakagawa
- Division of Applied Life Sciences Graduate School of Agriculture Kyoto University Sakyo-ku Kyoto Japan
| | - Takashi Yagi
- Department of Biology Graduate School of Science Osaka Prefecture University Sakai Osaka Japan.,Department of Life Science Dongguk University Biomedical Campus Goyang Gyeonggi-do South Korea
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Giacoppo JDOS, Carregal JB, Junior MC, Cunha EFFD, Ramalho TC. Towards the understanding of tetrahydroquinolines action in Aedes aegypti: larvicide or adulticide? MOLECULAR SIMULATION 2016. [DOI: 10.1080/08927022.2016.1239823] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Affiliation(s)
| | - Juliano B. Carregal
- Department of Chemistry, Federal University of São João del Rey, Divinópolis, Brazil
| | - Moacyr C. Junior
- Department of Chemistry, Federal University of São João del Rey, Divinópolis, Brazil
| | | | - Teodorico C. Ramalho
- Department of Chemistry, Federal University of Lavras, Lavras, Brazil
- Center for Basic and Applied Research, University Hradec Kralove, Hradec Kralove, Czech Republic
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Bakthadoss M, Kannan D, Srinivasan J, Vinayagam V. Highly regio- and diastereo-selective synthesis of novel tri- and tetra-cyclic perhydroquinoline architectures via an intramolecular [3 + 2] cycloaddition reaction. Org Biomol Chem 2016; 13:2870-4. [PMID: 25620236 DOI: 10.1039/c4ob02203c] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
A facile and efficient synthetic protocol was established for the construction of novel tri- and tetra-cyclic pyrrolo/pyrrolizinoquinoline architectures via the in situ formation of azomethine ylide followed by an intramolecular [3 + 2] cycloaddition reaction strategy. This protocol leads to the creation of two/three new rings and three/four contiguous stereocentres, in which one of them is a tetra-substituted carbon center, in a highly diastereoselective fashion with excellent yields.
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Affiliation(s)
- M Bakthadoss
- Department of Chemistry, Pondicherry University, Pondicherry - 605 014, India.
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Yokoi T, Minami S, Nakagawa Y, Miyagawa H. Structure-activity relationship of imidazothiadiazole analogs for the binding to the ecdysone receptor of insect cells. PESTICIDE BIOCHEMISTRY AND PHYSIOLOGY 2015; 120:40-50. [PMID: 25987219 DOI: 10.1016/j.pestbp.2014.12.008] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/30/2014] [Revised: 12/04/2014] [Accepted: 12/05/2014] [Indexed: 06/04/2023]
Abstract
Diacylhydrazines are the first non-steroidal ecdysone agonists, and five compounds are used as insecticides in agriculture. After the discovery of diacylhydrazine-type compounds, numerous non-steroidal structures were reported as ecdysone agonists. Among various ecdysone agonists, imidazothiadiazoles are reported to be very potent in vitro; however, the experimental detail for the structure identification and bioassays are not stated in the paper (Holmwood and Schindler, Bioorg. Med. Chem. 17, 4064-4070, 2009). In our present study, we synthesized 18 imidazothiadiazole-type compounds and confirmed the chemical structures by spectrometric analyses. The binding activity of the synthesized compounds to the ecdysone receptor was evaluated in terms of the concentration required for 50% inhibition of [(3)H]ponasterone A incorporation [IC50 (M)] into lepidopteran (Sf-9), coleopteran (BCRL-Lepd-SL1), and dipteran (NIAS-AeAl2) cells. 6-(2-Chlorophenyl)-2-(trifluoromethyl)imidazo[2,1-b] [1,3,4]-thiadiazol-5-yl)acrylamide analogs with CONHR (secondary amide) were very potent against Sf-9 cells, but further alkylation (tertiary amide: CONR2) decreased the activity dramatically. Additionally, a primary amide analog (CONH2) was inactive. The activity also decreased 150-fold by the saturation of olefin region of the acrylamide moiety. In addition, various substituents were introduced at the 2-position of the imidazothiadiazole ring to disclose the physicochemical properties of the substituents which are important for receptor binding. The activity increased by 7500-fold with the introduction of the CF2CF2CF3 group compared to the unsubstituted compound against Sf-9 cells. Quantitative structure-activity relationship analysis for these substituents indicated that hydrophobic and electron-withdrawing groups were favorable for binding. Some of the compounds with strong receptor binding activity showed good larvicidal activity against Spodoptera litura. In contrast, the binding affinity of imidazothiadiazole analogs was low or not observed against dipteran and coleopteran cells.
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Affiliation(s)
- Taiyo Yokoi
- Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University, Kyoto 606-8502, Japan
| | - Saki Minami
- Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University, Kyoto 606-8502, Japan
| | - Yoshiaki Nakagawa
- Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University, Kyoto 606-8502, Japan.
| | - Hisashi Miyagawa
- Division of Applied Life Sciences, Graduate School of Agriculture, Kyoto University, Kyoto 606-8502, Japan
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