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Schepetkin IA, Nurmaganbetov ZS, Fazylov SD, Nurkenov OA, Khlebnikov AI, Seilkhanov TM, Kishkentaeva AS, Shults EE, Quinn MT. Inhibition of Acetylcholinesterase by Novel Lupinine Derivatives. Molecules 2023; 28:molecules28083357. [PMID: 37110594 PMCID: PMC10146204 DOI: 10.3390/molecules28083357] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2023] [Revised: 04/08/2023] [Accepted: 04/09/2023] [Indexed: 04/29/2023] Open
Abstract
Alzheimer's disease (AD) is a neurodegenerative disease characterized by progressive memory loss and cognitive impairment due in part to a severe loss of cholinergic neurons in specific brain areas. AD is the most common type of dementia in the aging population. Although several acetylcholinesterase (AChE) inhibitors are currently available, their performance sometimes yields unexpected results. Thus, research is ongoing to find potentially therapeutic AChE inhibitory agents, both from natural and synthetic sources. Here, we synthesized 13 new lupinine triazole derivatives and evaluated them, along with 50 commercial lupinine-based esters of different carboxylic acids, for AChE inhibitory activity. The triazole derivative 15 [1S,9aR)-1-((4-(4-(benzyloxy)-3-methoxyphenyl)-1H-1,2,3-triazol-1-yl)methyl)octahydro-2H-quinolizine)] exhibited the most potent AChE inhibitory activity among all 63 lupinine derivatives, and kinetic analysis demonstrated that compound 15 was a mixed-type AChE inhibitor. Molecular docking studies were performed to visualize interaction between this triazole derivative and AChE. In addition, a structure-activity relationship (SAR) model developed using linear discriminant analysis (LDA) of 11 SwissADME descriptors from the 50 lupinine esters revealed 5 key physicochemical features that allowed us to distinguish active versus non-active compounds. Thus, this SAR model could be applied for design of more potent lupinine ester-based AChE inhibitors.
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Affiliation(s)
- Igor A Schepetkin
- Department of Microbiology and Cell Biology, Montana State University, Bozeman, MT 59717, USA
| | - Zhangeldy S Nurmaganbetov
- Institute of Organic Synthesis and Coal Chemistry, Karaganda 100008, Kazakhstan
- School of Pharmacy, Medical University of Karaganda, Karaganda 100012, Kazakhstan
| | - Serik D Fazylov
- Institute of Organic Synthesis and Coal Chemistry, Karaganda 100008, Kazakhstan
| | - Oralgazy A Nurkenov
- Institute of Organic Synthesis and Coal Chemistry, Karaganda 100008, Kazakhstan
| | | | - Tulegen M Seilkhanov
- Laboratory of Engineering Profile NMR Spectroscopy, Sh. Ualikhanov Kokshetau University, Kokshetau 020000, Kazakhstan
| | | | - Elvira E Shults
- N.N. Vorozhtsov Novosibirsk Institute of Organic Chemistry, Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia
| | - Mark T Quinn
- Department of Microbiology and Cell Biology, Montana State University, Bozeman, MT 59717, USA
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Yang X, Li N, Li Y, Pang S. Insensitive High-Energy Density Materials Based on Azazole-Rich Rings: 1,2,4-Triazole N-Oxide Derivatives Containing Isomerized Nitro and Amino Groups. Int J Mol Sci 2023; 24. [PMID: 36835326 DOI: 10.3390/ijms24043918] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2023] [Revised: 02/03/2023] [Accepted: 02/10/2023] [Indexed: 02/17/2023] Open
Abstract
It is an arduous and meaningful challenge to design and develop new energetic materials with lower sensitivity and higher energy. How to skillfully combine the characteristics of low sensitivity and high energy is the key problem in designing new insensitive high-energy materials. Taking a triazole ring as a framework, a strategy of N-oxide derivatives containing isomerized nitro and amino groups was proposed to answer this question. Based on this strategy, some 1,2,4-triazole N-oxide derivatives (NATNOs) were designed and explored. The electronic structure calculation showed that the stable existence of these triazole derivatives was due to the intramolecular hydrogen bond and other interactions. The impact sensitivity and the dissociation enthalpy of trigger bonds directly indicated that some compounds could exist stably. The crystal densities of all NATNOs were larger than 1.80 g/cm3, which met the requirement of high-energetic materials for crystal density. Some NATNOs (9748 m/s for NATNO, 9841 m/s for NATNO-1, 9818 m/s for NATNO-2, 9906 m/s for NATNO-3, and 9592 m/s for NATNO-4) were potential high detonation velocity energy materials. These study results not only indicate that the NATNOs have relatively stable properties and excellent detonation properties but also prove that the strategy of nitro amino position isomerization coupled with N-oxide is an effective means to develop new energetic materials.
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Baranov N, Racovita S, Vasiliu S, Macsim AM, Lionte C, Sunel V, Popa M, Desbrieres J, Cheptea C. Immobilization and Release Studies of Triazole Derivatives from Grafted Copolymer Based on Gellan-Carrying Betaine Units. Molecules 2021; 26:3330. [PMID: 34206015 PMCID: PMC8199293 DOI: 10.3390/molecules26113330] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/29/2021] [Revised: 05/21/2021] [Accepted: 05/29/2021] [Indexed: 12/20/2022] Open
Abstract
New polymer-bioactive compound systems were obtained by immobilization of triazole derivatives onto grafted copolymers and grafted copolymers carrying betaine units based on gellan and N-vinylimidazole. For preparation of bioactive compound, two new types of heterocyclic thio-derivatives with different substituents were combined in a single molecule to increase the selectivity of the biological action. The 5-aryl-amino-1,3,4 thiadiazole and 5-mercapto-1,2,4-triazole derivatives, each containing 2-mercapto-benzoxazole nucleus, were prepared by an intramolecular cyclization of thiosemicarbazides-1,4 disubstituted in acidic and basic medium. The structures of the new bioactive compounds were confirmed by elemental and spectral analysis (FT-IR and 1H-NMR). The antimicrobial activity of 1,3,4 thiadiazoles and 1,2,4 triazoles was tested on gram-positive and gram-negative bacteria. The triazole compound was chosen to be immobilized onto polymeric particles by adsorption. The Langmuir, Freundlich, and Dubinin-Radushkevich adsorption isotherm were used to describe the adsorption equilibrium. Also, the pseudo-first and pseudo-second models were used to elucidate the adsorption mechanism of triazole onto grafted copolymer based on N-vinylimidazole and gellan (PG copolymer) and grafted copolymers carrying betaine units (PGB1 copolymer). In vitro release studies have shown that the release mechanism of triazole from PG and PGB1 copolymers is characteristic of an anomalous transport mechanism.
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Affiliation(s)
- Nicolae Baranov
- Department of Natural and Synthetic Polymers, Faculty of Chemical Engineering and Environmental Protection, Gheorghe Asachi Technical University of Iasi, Prof. Dr. Docent Dimitrie Mangeron Street, No. 73, 700050 Iasi, Romania;
- Faculty of Chemistry, Al. I. Cuza University, Carol I Bvd., No. 11, 700506 Iasi, Romania;
| | - Stefania Racovita
- Department of “Mihai Dima” Functional Polymers, Petru Poni Institute of Macromolecular Chemistry, Grigore Ghica Voda Alley, No. 41A, 700487 Iasi, Romania; (S.R.); (A.M.M.)
| | - Silvia Vasiliu
- Department of “Mihai Dima” Functional Polymers, Petru Poni Institute of Macromolecular Chemistry, Grigore Ghica Voda Alley, No. 41A, 700487 Iasi, Romania; (S.R.); (A.M.M.)
| | - Ana Maria Macsim
- Department of “Mihai Dima” Functional Polymers, Petru Poni Institute of Macromolecular Chemistry, Grigore Ghica Voda Alley, No. 41A, 700487 Iasi, Romania; (S.R.); (A.M.M.)
| | - Catalina Lionte
- Faculty of Medicine, Gr. T. Popa University of Medicine and Pharmacy, Universitatii Street, No.16, 700115 Iasi, Romania;
| | - Valeriu Sunel
- Faculty of Chemistry, Al. I. Cuza University, Carol I Bvd., No. 11, 700506 Iasi, Romania;
| | - Marcel Popa
- Department of Natural and Synthetic Polymers, Faculty of Chemical Engineering and Environmental Protection, Gheorghe Asachi Technical University of Iasi, Prof. Dr. Docent Dimitrie Mangeron Street, No. 73, 700050 Iasi, Romania;
- Academy of Romanian Scientists, Splaiul Independentei Street No. 54, 050085 Bucuresti, Romania
| | - Jacques Desbrieres
- Institut des Sciences Analytiques et de Physico-Chimie pour l’Environnement et les Materiaux (IPREM), Pau and Pays de l’Adour University (UPPA), UMR CNRS 5254, Helioparc Pau Pyrenees, 2 av. President Angot, CEDEX 09, 64053 Pau, France;
| | - Corina Cheptea
- Department of Biomedical Sciences, Faculty of Biomedical Bioengineering, Gr. T. Popa University of Medicine and Pharmacy, Kogalniceanu Street No. 9–13, 700454 Iasi, Romania;
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Czylkowska A, Drozd M, Biernasiuk A, Rogalewicz B, Malm A, Pitucha M. Synthesis, Spectral, Thermal and Biological Studies of 4-Cyclohexyl-3-(4-nitrophenyl)methyl-1,2,4-triazolin-5-thione and Its Copper(II) Coordination Compound, [CuCl 2(H 2O) 2L 2]. Materials (Basel) 2020; 13:E4135. [PMID: 32957575 DOI: 10.3390/ma13184135] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/25/2020] [Revised: 09/04/2020] [Accepted: 09/14/2020] [Indexed: 11/17/2022]
Abstract
One of the strategies for seeking new biologically active substances is to modify compounds with potential biological activity. In this paper, 1,2,4-triazolin-5-thione derivative (3) was obtained in the cyclization reaction of appropriate thiosemicarbazide (2) as an organic ligand. The copper(II) complex, [CuCl2(H2O)2L2] (L=4-cyclohexyl-3-(nitrophenyl)methyl-1,2,4-triazolin-5-thione) (Cu-3) was prepared in a reaction of free ligand (3) with a CuCl2·2H2O solution in MeOH/EtOH mixture at room temperature. TGA data show that Cu-3 and free ligand are stable at room temperature. Both compounds were screened in vitro for antibacterial and antifungal activities using the broth microdilution method. The obtained complex (Cu-3) showed higher antibacterial effect, especially towards Gram-positive bacteria (with moderate activity and Minimal Inhibitory Concentration MIC = 250–500 µg/mL) than the free ligand (3) (with mild or no bioactivity and MIC ≥ 1000 µg/mL). In turn, yeasts, belonging to Candida albicans, exhibited similar sensitivity to both the copper(II) complex (Cu-3) and the organic ligand (3). The anticandidal activity of these compounds was moderate (MIC = 500 µg/mL), or, in the case of other Candida spp., lower (MIC ≥ 1000 µg/mL).
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Kawada K, Takahashi I, Arai M, Sasaki Y, Asami T, Yajima S, Ito S. Synthesis and Biological Evaluation of Novel Triazole Derivatives as Strigolactone Biosynthesis Inhibitors. J Agric Food Chem 2019; 67:6143-6149. [PMID: 31083983 DOI: 10.1021/acs.jafc.9b01276] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/09/2023]
Abstract
Strigolactones (SLs) are one of the plant hormones that control several important agronomic traits, such as shoot branching, leaf senescence, and stress tolerance. Manipulation of the SL biosynthesis can increase the crop yield. We previously reported that a triazole derivative, TIS108, inhibits SL biosynthesis. In this study, we synthesized a number of novel TIS108 derivatives. Structure-activity relationship studies revealed that 4-(2-phenoxyethoxy)-1-phenyl-2-(1 H-1,2,4-triazol-1-yl)butan-1-one (KK5) inhibits the level of 4-deoxyorobanchol in roots more strongly than TIS108. We further found that KK5-treated Arabidopsis showed increased branching phenotype with the upregulated gene expression of AtMAX3 and AtMAX4. These results indicate that KK5 is a specific SL biosynthesis inhibitor in rice and Arabidopsis.
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Affiliation(s)
- Kojiro Kawada
- Department of Bioscience , Tokyo University of Agriculture , 1-1-1 Sakuragaoka , Setagaya, Tokyo 156-8502 , Japan
| | - Ikuo Takahashi
- Department of Applied Biological Chemistry , The University of Tokyo , 1-1-1 Yayoi , Bunkyo, Tokyo 113-8657 , Japan
| | - Minori Arai
- Department of Bioscience , Tokyo University of Agriculture , 1-1-1 Sakuragaoka , Setagaya, Tokyo 156-8502 , Japan
| | - Yasuyuki Sasaki
- Department of Bioscience , Tokyo University of Agriculture , 1-1-1 Sakuragaoka , Setagaya, Tokyo 156-8502 , Japan
| | - Tadao Asami
- Department of Applied Biological Chemistry , The University of Tokyo , 1-1-1 Yayoi , Bunkyo, Tokyo 113-8657 , Japan
- Core Research for Evolutional Science and Technology (CREST) , Japan Science and Technology Agency (JST) , 4-1-8 Honcho , Kawaguchi , Saitama 332-0012 , Japan
- Department of Biochemistry , King Abdulaziz University , Jeddah , Saudi Arabia
| | - Shunsuke Yajima
- Department of Bioscience , Tokyo University of Agriculture , 1-1-1 Sakuragaoka , Setagaya, Tokyo 156-8502 , Japan
| | - Shinsaku Ito
- Department of Bioscience , Tokyo University of Agriculture , 1-1-1 Sakuragaoka , Setagaya, Tokyo 156-8502 , Japan
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Oiso N, Tatebayashi M, Kawada A. Allergic contact dermatitis caused by efinaconazole: positive patch test reactions up to 0.1% pet. Contact Dermatitis 2017; 76:53-54. [PMID: 27957750 DOI: 10.1111/cod.12643] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2016] [Revised: 05/20/2016] [Accepted: 05/26/2016] [Indexed: 11/27/2022]
Affiliation(s)
- Naoki Oiso
- Department of Dermatology, Faculty of Medicine, Kindai University, Osaka-Sayama, 589-8511, Japan
| | - Megumi Tatebayashi
- Department of Dermatology, Faculty of Medicine, Kindai University, Osaka-Sayama, 589-8511, Japan
| | - Akira Kawada
- Department of Dermatology, Faculty of Medicine, Kindai University, Osaka-Sayama, 589-8511, Japan
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