Results 11 to 20 of about 25,343 (252)

Synthesis and Biological evalution of some substituted 2-dibenzyl amino 1,3,4-oxadiazoles , thiadiazoles and 1,2,4-triazoles [PDF]

مجلة التربية والعلم, 2013
In this paper the synthesis of some substituted 2-dibenzyl 1,3,4-oxadiazole, thiadiazole and 1,2,4-triazoles derived from dibenzyl amine is reported scheme-1.
Khalid Daoud, Shaima Ismmaeel
doaj   +1 more source

Synthesis and physical-chemical properties of 2-((4-R-3-(morpholinomethylen)-4H-1,2,4-triazole-5yl)thio)acetic acid

Aktualʹnì Pitannâ Farmacevtičnoï ì Medičnoï Nauki ta Praktiki, 2014
The creation and improvement of the original domestic medicines is anactual problem of medical and pharmaceutical industries. Chemistry of heterocyclicsystems attracts scientists all over the world, as it is associated with a number of properties of this
R. О. Shcherbyna, O. I. Panasenko, Ye. H. Knysh, B. О. Varynskyy   +3 more
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Chemical properties of amino- and thio-derivatives of 1,2,4-triazoles

Aktualʹnì Pitannâ Farmacevtičnoï ì Medičnoï Nauki ta Praktiki, 2015
Aim. A number of references of the last ten years have been carefully studied with bibliosemantic method to compile information on the participation of 1,2,4-triazoles in chemical reactions. Introduction of new domestic drugs intopractice, which could
A. G. Kaplaushenko
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Acute toxicity of 5-(2-, 3-, 4-methoxyphenyl, (3,4,5-trimethoxyphenyl)-)-1,2,4-triazole-3-thiones and its thioderivatives

Aktualʹnì Pitannâ Farmacevtičnoï ì Medičnoï Nauki ta Praktiki, 2015
Aim. We have continued the study of 1,2,4-triazole derivatives, which contain 2-, 3- , 4-methoxyphenyl or 3,4,5- methoxyphenyl substituents in 5th position of the triazole nucleus.
Yu. G. Samelyuk , A. G. Kaplaushenko
doaj   +1 more source

Design and Synthesis of New 5-aryl-4-Arylethynyl-1H-1,2,3-triazoles with Valuable Photophysical and Biological Properties

Molecules, 2021
Cu-catalyzed 1,3-dipolar cycloaddition of methyl 2-azidoacetate to iodobuta-1,3-diynes and subsequent Suzuki-Miyaura cross-coupling were used to synthesize new triazoles derivatives: 5-aryl-4-arylethynyl-1H-1,2,3-triazoles. Investigation of their optical
Mariia M. Efremova, Anastasia I. Govdi, Valeria V. Frolova, Andrey M. Rumyantsev, Irina A. Balova   +4 more
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3-Aryl Substituted Triazole Derivatives as New and Effective Corrosion Inhibitors for Mild Steel in Hydrochloric Acid Solution

International Journal of Electrochemical Science, 2012
The corrosion inhibition properties of three triazoles derivatives namely 4-amino-5-phenyl-4H-1, 2, 4,-triazole-3-thiol (APTT), 4-amino-5-(2-hydroxy) phenyl-4H-1, 2, 4,-triazole-3-thiol, (AHPTT), 4-amino-5-styryl-4H-1, 2, 4,-triazole-3-thiol, (ASTT) on ...
M.A. Quraishi, Sudheer, K.R. Ansari, Eno E. Ebenso   +3 more
doaj   +1 more source

Thermal Rearrangement of Allyl Substituted Unsymmetric 4H-1,2,4-Triazoles to the Corresponding 1H-1,2,4-triazoles

Molecules, 2001
A series of neat 4-(2-alkenyl) substituted 5-methyl-3-phenyl-4H-1,2,4-triazoles were thermolyzed at 320 oC producing a rearrangement products, of which the regioisomeric 1- and 2-substituted triazoles were the main products.
Per H.J. Carlsen, Ragnhild B. Olsen, KÃ¥re B. Jørgensen   +2 more
doaj   +1 more source

Anti-inflammatory and antinociceptive evaluation of newly synthesized 4-(substituted ethanoyl) amino-3-mercapto-5-(4-methoxy) phenyl-1,2,4-triazoles

Journal of Pharmacy and Bioallied Sciences, 2011
Introduction: 1,2,4-triazoles and its derivatives have been reported to possess anti-inflammatory, analgesic, antimicrobial, anticancer, antitumor, antitubercular, anticonvulsant, openers of Ca-activated potassium (Maxi-K) channels, antiviral properties,
Neeraj Upmanyu, Jeetendra Kumar Gupta, Kamal Shah, Pradeep Mishra   +3 more
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Synthesis and physical-chemical properties of 3-(4-(tert-butyl)phenyl)-5-(R-ylthio)-4H-1,2,4-triazol-4-amines

Aktualʹnì Pitannâ Farmacevtičnoï ì Medičnoï Nauki ta Praktiki, 2016
Aim. 1,2,4-triazole derivatives are widely used in medical practice due to its wide range of biological effect and small toxicity. This fact makes this class of organic heterocyclic compounds especially interesting and promising for the study of their ...
I. I. Aksyonova, O. I. Panasenko, Ye. G. Knysh   +2 more
doaj   +1 more source

Novel allyl-hydrazones including 2,4-dinitrophenyl and 1,2,3-triazole moieties as optical sensor for ammonia and chromium ions in water

BMC Chemistry, 2022
It is critical to take safety action if carcinogenic heavy metals and ammonia can be detected quickly, cheaply, and selectively in an environmental sample. As a result, compound 4a [4-(1-(2-(2,4-Dinitrophenyl)hydrazineylidene)-3-(naphthalen-2-yl)allyl)-5-
Hanan A. Mohamed, Bakr F. Abdel-Wahab, Mahmoud N. M. Yousif, Reda M. Abdelhameed   +3 more
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