Results 11 to 20 of about 12,547 (208)

2-Amino-1,3,4-thiadiazoles as prospective agents in trypanosomiasis and other parasitoses [PDF]

open access: yesActa Pharmaceutica, 2020
Parasitic diseases are a serious public health problem affecting hundreds of millions of people worldwide. African trypanosomiasis, American trypanosomiasis, leishmaniasis, malaria and toxoplasmosis are the main parasitic infections caused by protozoan ...
Serban Georgeta
doaj   +3 more sources

Acute toxicity of 3-(2-, 3-fluorophenyl)-6-(aryl-, hetaryl)-[1,2,4]triazole[3,4-b][1,3,4]thiadiazoles [PDF]

open access: yesAktualʹnì Pitannâ Farmacevtičnoï ì Medičnoï Nauki ta Praktiki, 2017
Nowadays an attempt to create a number of new biologically active compounds by many scientific groups is being one of the topical issues in the domestic pharmaceutical industry.
O. A. Bihdan, V. V. Parchenko
doaj   +3 more sources

Thiadiazoles. III*. Some 5-Substituted Derivatives of 2-Amino-1,3,4-Thiadiazoles and Some Mesoionic 1,3,4-Thiadiazoles [PDF]

open access: yesCroatica Chemica Acta, 1971
New derivatives of 1,3,4-thiadiazoles with potential phytohormonic (compds. I-V) and antibacterial (compds. VI-IX) activity have been prepared. Mesoionic structure of the compounds VI- IX is indicated by their IR and UV spectra.
Kuftinec, J., Kolbah, D.
openaire   +4 more sources

Synthesis and In Vitro Antibacterial Activity of New 2-(1-Methyl-4-nitro-1H-imidazol-5-ylsulfonyl)-1,3,4-thiadiazoles [PDF]

open access: yesE-Journal of Chemistry, 2011
In the present study we report the synthesis and antibacterial activity of a new series 2-(1-methyl-4-nitro-1H-imidazol-5-ylsulfonyl)-1,3,4-thiadiazoles (6a-c).
Bahram Letafat   +3 more
doaj   +2 more sources

Functionalization of 2-Mercapto-5-methyl-1,3,4-thiadiazole: 2-(ω-Haloalkylthio) Thiadiazoles vs. Symmetrical Bis-Thiadiazoles [PDF]

open access: yesMolecules
A study on the functionalisation of 2-mercapto-5-methyl-1,3,4-thiadiazole has been conducted, yielding two series of products: 2-(ω-haloalkylthio)thiadiazoles and symmetrical bis-thiadiazoles, with variable chain lengths. The experimental conditions were
Zhanina S. Petkova   +3 more
doaj   +2 more sources

Visible-light-induced intramolecular C–S bond formation for practical synthesis of 2,5-disubstituted 1,3,4-thiadiazoles [PDF]

open access: yes, 2022
A general and facile visible-light mediated protocol for the synthesis of 2-arylamino-5-aryl-1,3,4- thiadiazoles via one-pot condensation and intramolecular C–S coupling cascade reaction has been developed.
Ruohan Li (6490004)   +5 more
core   +1 more source

Cytotoxic Properties of 1,3,4-Thiadiazole Derivatives—A Review [PDF]

open access: yesMolecules, 2020
During recent years, small molecules containing five-member heterocyclic moieties have become the subject of considerable growing interest for designing new antitumor agents. One of them is 1,3,4-thiadiazole. This study is an attempt to collect the 1,3,4-thiadiazole and its derivatives, which can be considered as potential anticancer agents, reported ...
Sara Janowska   +2 more
openaire   +3 more sources

Synthesis Of 2-Benzamidomethyl-5-Substituted Amino-1,3,4-Thiadiazoles-2,5-Disubstituted 1,3,4-Oxadiazole and 4,5-Disubstituted 1,2,4-Triazole-3-Thiol [PDF]

open access: yesمجلة التربية والعلم, 2012
In this paper the synthesis of some substituted 1,3,4-oxadiazoles , 1,3,4-thiadiazoles and 1,2,4-triazoles starting from amino acid and benzoyl chloride is reported.
K. M. Daoud, A. N. Ali, A. A. Ahmed
doaj   +1 more source

Synthesis and Study of Some 4-Chlorophenoxy Methyl Substituted amido1,3,4-Oxadiazoles, 1,3,4-Thiadiazoles and 1,2,4-Triazoles from 4-Chloro phenoxy acetic acid [PDF]

open access: yesمجلة التربية والعلم, 2013
: In this paper the synthesis of some substituted 1,3,4-oxadiazole, 1,3,4-thiadiazoles and 1,2,4-triazoles is reported. 4-Chlorophenol was treated with chloroacetic acid to give 4-chlorophenoxy acetic acid (C1) which was reacted with thionyl chloride ...
Mudhar A. Othman, Khalid M. Daoud
doaj   +1 more source

Synthesis of 2- alkyl/phenyl -5-Substituted 1,3,4- Thiadiazoles [PDF]

open access: yesمجلة التربية والعلم, 2014
In this paper the synthesis of some 2-alkyl phenyl 5-substituted 1,3,4-thiadiazole is reported, Benzonitrile and Acetonitrile were treated with thiosemicarbazide in presence of trifluroacetic acid to give 2-alkyl/ aryl -5- amino- 1,3,4- thiadiazoles (1,2)
Khalid Daoud   +2 more
doaj   +1 more source

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