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Ningegowda R, Shivananju NS, Rajendran P, Basappa, Rangappa KS, Chinnathambi A, Li F, Achar RR, Shanmugam MK, Bist P, Alharbi SA, Lim LHK, Sethi G, Priya BS. A novel 4,6-disubstituted-1,2,4-triazolo-1,3,4-thiadiazole derivative inhibits tumor cell invasion and potentiates the apoptotic effect of TNFα by abrogating NF-κB activation cascade. Apoptosis 2016; 22:145-157. [DOI: 10.1007/s10495-016-1312-8] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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Başaran E, Karaküçük-Iyidoğan A, Schols D, Oruç-Emre EE. Synthesis of Novel Chiral Sulfonamide-Bearing 1,2,4-Triazole-3-thione Analogs Derived fromD-andL-Phenylalanine Esters as Potential Anti-Influenza Agents. Chirality 2016; 28:495-513. [DOI: 10.1002/chir.22607] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2016] [Revised: 04/08/2016] [Accepted: 04/17/2016] [Indexed: 11/11/2022]
Affiliation(s)
- Eyüp Başaran
- Gaziantep University, Faculty of Science and Arts; Department of Chemistry; Gaziantep Turkey
| | | | | | - Emine Elçin Oruç-Emre
- Gaziantep University, Faculty of Science and Arts; Department of Chemistry; Gaziantep Turkey
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Boraei ATA, El Ashry ESH, Duerkop A. Regioselectivity of the alkylation of S-substituted 1,2,4-triazoles with dihaloalkanes. Chem Cent J 2016; 10:22. [PMID: 27127538 PMCID: PMC4849090 DOI: 10.1186/s13065-016-0165-0] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2015] [Accepted: 03/22/2016] [Indexed: 11/24/2022] Open
Abstract
Background 1,2,4-Triazole3-thiones are good scaffolds for preparation of new lead compounds. Their derivatives attracted the attention of chemists due to their wide spectrum of biological activities. Alkylsulfanyl-1,2,4-triazoles have three nucleophilic sites (nitrogens) ready for reaction with electrophiles. Herein, new regioselective isomers were synthesized by the reaction of benzylsulfanyl-1,2,4-triazole with various dihaloalkanes. Regioselectivity was determined by X-ray crystallography and NMR. Results Coupling of 3-benzylsufanyl-5-(1H-indolyl)-1,2,4-triazole with dibromomethane, 1,2-dichloroethane, 1,3-dibromopropane and di(bromomethyl)quinoxaline was investigated in the presence of potassium carbonate in acetone. In the case of dibromomethane three different bis(triazolyl)methane isomers (–N1–CH2–N1-4, –N1–CH2–N2-5, –N2–CH2–N2-6) were formed in which the two bromide atoms were replaced by two triazole moieties. Among these isomers the reaction was regioselective towards the –N1–CH2–N2-5 isomer due to the steric effect. In the case of 1,3-dibromopropane two compounds were obtained due to the alkylation at N(2) to give 2-(3-bromopropyl)-triazole 8 and alkylation at N(1) was followed by cyclization at the indole nitrogen to form a condensed indolo-triazolo-diazepine 10. Upon alkylation of 3-benzylsufanyl-5-(1H-indolyl)-1,2,4-triazole with di(bromomethyl)quinoxaline, two bis(triazolyl-methyl)quinoxaline isomers were separated and characterized as (–N1–CH2–N1–) 11 and (–N2–CH2–N2–) 12. Single-crystal X-ray diffraction assisted the elucidation and confirmation of the structures of the isomers. An AM1 theoretical study explained the regioselectivity of the alkylation. Conclusions On reacting S-protected 1,2,4-triazoles with various alkylating agents, only N(1) and N(2) attack the electrophilic carbons. N(2) alkylated isomers are preferentially formed. Electronic supplementary material The online version of this article (doi:10.1186/s13065-016-0165-0) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Ahmed T A Boraei
- Chemistry Department, Faculty of Science, Suez Canal University, Ismailia, 41522 Egypt
| | - El Sayed H El Ashry
- Chemistry Department, Faculty of Science, Alexandria University, Alexandria, Egypt
| | - Axel Duerkop
- Institute of Analytical Chemistry, Chemo and Biosensors, University of Regensburg, Universitätsstrasse 31, 93053 Regensburg, Germany
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Vaarla K, Vedula RR. Synthesis of Novel 3-(3-(5-Methylisoxazol-3-yl)-7H-[1,2,4]Triazolo [3,4-b][1,3,4]Thiadiazin-6-yl)-2H-Chromen-2-Ones. J Heterocycl Chem 2014. [DOI: 10.1002/jhet.2301] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Affiliation(s)
- Krishnaiah Vaarla
- Department of Chemistry; National Institute of Technology Warangal; Warangal Andra Pradesh 506004 India
| | - Rajeswar Rao Vedula
- Department of Chemistry; National Institute of Technology Warangal; Warangal Andra Pradesh 506004 India
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El Ashry ESH, El Tamany ESH, El Fattah MEDA, Boraei AT, Abd El-Nabi HM. Regioselective synthesis, characterization and antimicrobial evaluation of S-glycosides and S,N-diglycosides of 1,2-Dihydro-5-(1H-indol-2-yl)-1,2,4-triazole-3-thione. Eur J Med Chem 2013; 66:106-13. [DOI: 10.1016/j.ejmech.2013.04.047] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2012] [Revised: 04/01/2013] [Accepted: 04/20/2013] [Indexed: 11/16/2022]
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Stefanska J, Szulczyk D, Koziol AE, Miroslaw B, Kedzierska E, Fidecka S, Busonera B, Sanna G, Giliberti G, La Colla P, Struga M. Disubstituted thiourea derivatives and their activity on CNS: synthesis and biological evaluation. Eur J Med Chem 2012; 55:205-13. [PMID: 22884523 DOI: 10.1016/j.ejmech.2012.07.020] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/19/2012] [Revised: 07/04/2012] [Accepted: 07/15/2012] [Indexed: 11/30/2022]
Abstract
A series of new thiourea derivatives of 1,2,4-triazole have been synthesized. The difference in structures of obtained compounds are directly connected with the kind of isothiocyanate (aryl/alkyl). The (1)H NMR, (13)C NMR, MS methods were used to confirm structures of obtained thiourea derivatives. The molecular structure of (1, 17) was determined by an X-ray analysis. Two of the new compounds (8 and 14) were tested for their pharmacological activity on animal central nervous system (CNS) in behavioural animal tests. The results presented in this work indicate the possible involvement of the serotonergic system in the activity of 8 and 14. In the case of 14 is also a possible link between its activity and the endogenous opioid system. All obtained compounds were tested for antibacterial activity against gram-positive cocci, gram-negative rods and antifungal activity. Compounds (1, 2, 5, 7, 9) showed significant inhibition against gram-positive cocci. Microbiological evaluation was carried out over 20 standard strains and 30 hospital strains. Selected compounds (1-13) were examined for cytotoxicity, antitumor, and anti-HIV activity.
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Affiliation(s)
- Joanna Stefanska
- Department of Pharmaceutical Microbiology, Medical University, 02-007 Warsaw, Poland
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Prakash O, Aneja DK, Wadhwa D, Kumar R, Arora S. A Facile Synthesis of Novel Dihydroindeno[1,2-e][1,2,4]triazolo[3,4-b][1,3,4]thiadiazines Using HTIB. J Heterocycl Chem 2012. [DOI: 10.1002/jhet.815] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
Affiliation(s)
- Om Prakash
- Institute of Pharmaceutical Sciences; Kurukshetra University; Kurukshetra 136119 Haryana India
| | - Deepak Kumar Aneja
- Department of Chemistry; Kurukshetra University; Kurukshetra 136119 Haryana India
| | - Deepak Wadhwa
- Department of Chemistry; Kurukshetra University; Kurukshetra 136119 Haryana India
| | - Ravi Kumar
- Department of Chemistry; Dyal Singh College; Karnal Haryana India
| | - Sanjiv Arora
- Department of Chemistry; Kurukshetra University; Kurukshetra 136119 Haryana India
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Facile synthesis, characterization and pharmacological activities of 3,6-disubstituted 1,2,4-triazolo[3,4-b][1,3,4]thiadiazoles and 5,6-dihydro-3,6-disubstituted-1,2,4-triazolo[3,4-b][1,3,4]thiadiazoles. Eur J Med Chem 2012; 51:124-36. [DOI: 10.1016/j.ejmech.2012.02.030] [Citation(s) in RCA: 40] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2011] [Revised: 02/15/2012] [Accepted: 02/16/2012] [Indexed: 11/21/2022]
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A convenient, rapid microwave assisted synthesis of some novel 3-[(4-chloro-3-methylphenoxy)methyl]-6-aryl-5,6-dihydro-[1,2,4]triazolo[3,4-b][1,3,4]thiadiazoles using acidic alumina. JOURNAL OF SAUDI CHEMICAL SOCIETY 2010. [DOI: 10.1016/j.jscs.2010.05.005] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
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Ding Q, Zhang L, Zhang H. Synthesis and Biological Activities of Some Novel Triazolothiadiazines and Schiff Bases Derived from 4-Amino-3-(4-hydroxyphenyl)-1H-1,2,4-triazole-5(4H)-thione. PHOSPHORUS SULFUR 2010. [DOI: 10.1080/10426500902848393] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/19/2022]
Affiliation(s)
- Qichun Ding
- a College of Chemistry and Materials Engineering , Wenzhou University , Wenzhou, P.R. China
| | - Lixue Zhang
- a College of Chemistry and Materials Engineering , Wenzhou University , Wenzhou, P.R. China
| | - Haile Zhang
- b Department of Molecular Biology & Chemistry , Scripps Research Institute , San Diego, California, USA
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Pachuta-Stec A, Rzymowska J, Mazur L, Mendyk E, Pitucha M, Rzaczyńska Z. Synthesis, structure elucidation and antitumour activity of N-substituted amides of 3-(3-ethylthio-1,2,4-triazol-5-yl)propenoic acid. Eur J Med Chem 2009; 44:3788-93. [PMID: 19482385 DOI: 10.1016/j.ejmech.2009.04.034] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2009] [Revised: 04/17/2009] [Accepted: 04/23/2009] [Indexed: 11/16/2022]
Affiliation(s)
- Anna Pachuta-Stec
- Department of Organic Chemistry, Faculty of Pharmacy, Medical University, 6 Staszica Street, 20-081 Lublin, Poland.
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Bagihalli GB, Patil SA. Synthesis, physico-chemical investigations, andin vitromicrobial, studies of VO(IV) complexes with novel ONON donor Schiff bases. MAIN GROUP CHEMISTRY 2009. [DOI: 10.1080/10241220902977604] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
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Kulkarni AD, Patil SA, Badami PS. SNO donor Schiff bases and their Co(II), Ni(II) and Cu(II) complexes: synthesis, characterization, electrochemical and antimicrobial studies. J Sulphur Chem 2009. [DOI: 10.1080/17415990802663133] [Citation(s) in RCA: 25] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Affiliation(s)
| | - Sangamesh A. Patil
- a PG Department of Chemistry , Karnatak University , Dharwad, Karnataka, India
| | - Prema S. Badami
- b Department of Chemistry , Shri Sharanabasaveswar College of Science , Gulbarga, Karnataka, India
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Bagihalli GB, Avaji PG, Patil SA, Badami PS. Synthesis, spectral characterization, in vitro antibacterial, antifungal and cytotoxic activities of Co(II), Ni(II) and Cu(II) complexes with 1,2,4-triazole Schiff bases. Eur J Med Chem 2008; 43:2639-49. [DOI: 10.1016/j.ejmech.2008.02.013] [Citation(s) in RCA: 238] [Impact Index Per Article: 14.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2007] [Revised: 12/10/2007] [Accepted: 02/07/2008] [Indexed: 10/22/2022]
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Siwek A, Wujec M, Dobosz M, Paneth P. Synthesis and theoretical characterization of some new 4-substituted-1,3-diphenyl-5-thioxo-4,5-dihydro-1H-1,2,4-triazoles with potential pharmacological activity. HETEROATOM CHEMISTRY 2008. [DOI: 10.1002/hc.20499] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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Wujec M, Paneth P. Mechanism of 4-methyl-1,2,4-triazol-3-thione reaction with formaldehyde. J PHYS ORG CHEM 2008. [DOI: 10.1002/poc.1324] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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17
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Zhou SN, Zhang LX, Zhang AJ, Sheng JS, Zhang HL. Synthesis and crystal structure of novel schiff bases derived from 3-(2-ethoxyphenyl)-4-amino-5-mercapto-4 H-1,2,4-triazole. J Heterocycl Chem 2007. [DOI: 10.1002/jhet.5570440507] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Wujec M, Paneth P. Mechanism of 4-methyl-1,2,4-triazol-3-thiole reaction with formaldehyde. A DFT study. J PHYS ORG CHEM 2007. [DOI: 10.1002/poc.1250] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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Zhou S, Zhang L, Jin J, Zhang A, Lei X, Lin J, He J, Zhang H. Synthesis and Biological Activities of Some Novel Triazolothiadiazines and Schiff Bases Derived from 1,2,4-Triazole. PHOSPHORUS SULFUR 2007. [DOI: 10.1080/10426500600976884] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/23/2022]
Affiliation(s)
- Sannu Zhou
- a College of Chemistry and Materials Science , Wenzhou University , Wenzhou, P.R. China
| | - Lixue Zhang
- a College of Chemistry and Materials Science , Wenzhou University , Wenzhou, P.R. China
| | - Jianyu Jin
- b College of Education , Wenzhou University , Wenzhou, P.R. China
| | - Anjiang Zhang
- a College of Chemistry and Materials Science , Wenzhou University , Wenzhou, P.R. China
| | - Xinxiang Lei
- a College of Chemistry and Materials Science , Wenzhou University , Wenzhou, P.R. China
| | - Jianshuang Lin
- a College of Chemistry and Materials Science , Wenzhou University , Wenzhou, P.R. China
| | - Jiangwei He
- a College of Chemistry and Materials Science , Wenzhou University , Wenzhou, P.R. China
| | - Haile Zhang
- c Department of Molecular Biology and Chemistry , Scripps Research Institute , San Diego, California, USA
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Buzykin BI, Mironova EV, Nabiullin VN, Gubaidullin AT, Litvinov IA. Tautomerism of aza cycles: I. Structure of 3(5)-butylsulfanyl-5(3)-methyl(phenyl)-1H-1,2,4-triazole tautomers in crystal. Preference of the 3-RA-5-RD-1H-tautomer of 3(5)-mono-and 3,5-disubstituted 1,2,4-triazoles. RUSS J GEN CHEM+ 2006. [DOI: 10.1134/s1070363206090209] [Citation(s) in RCA: 16] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/23/2022]
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Papakonstantinou-Garoufalias S, Pouli N, Marakos P, Chytyroglou-Ladas A. Synthesis antimicrobial and antifungal activity of some new 3 substituted derivatives of 4-(2,4-dichlorophenyl)-5-adamantyl-1H-1,2,4-triazole. FARMACO (SOCIETA CHIMICA ITALIANA : 1989) 2002; 57:973-7. [PMID: 12564470 DOI: 10.1016/s0014-827x(02)01227-2] [Citation(s) in RCA: 85] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
The synthesis of a series of substituted hydrazones and thiazolidinones is described, starting from N-[4-(2,4-dichlorophenyl)-5-adamantyl-1H-1,2,4-triazol-3-ylmercaptoacetyl]hydrazine. The new compounds were tested for antimicrobial and antifungal activity and some of them exhibited moderate activity against Candida albicans.
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Affiliation(s)
- S Papakonstantinou-Garoufalias
- Department of Pharmacy, Division of Pharmaceutical Chemistry, University of Athens, Panepistimiopolis-Zografou, 157 71 Athens, Greece
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Kritsanida M, Mouroutsou A, Marakos P, Pouli N, Papakonstantinou-Garoufalias S, Pannecouque C, Witvrouw M, De Clercq E. Synthesis and antiviral activity evaluation of some new 6-substituted 3-(1-adamantyl)-1,2,4-triazolo[3,4-b][1,3,4]thiadiazoles. FARMACO (SOCIETA CHIMICA ITALIANA : 1989) 2002; 57:253-7. [PMID: 11989804 DOI: 10.1016/s0014-827x(01)01189-2] [Citation(s) in RCA: 143] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
Abstract
A number of novel 3,6-disubstituted 1,2,4-triazolo[3,4-b][1,3,4]thiadiazole derivatives, containing the adamantyl moiety, were synthesized and examined in various viral test systems. No antiviral effects were noted with any of the compounds at subtoxic concentrations in cell culture.
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