Results 41 to 50 of about 25,084 (189)

Synthesis of New Bis-1,2,4-Triazole Derivatives

Molecules, 2006
A series of new 1,2/1,3-bis[o-(N-methylidenamino-3-aryl-5-phenyl-4H-1,2,4-triazole-4-yl)phenoxy]ethane/propane derivatives 4 were prepared in good yields bytreatment of 4-amino-3-aryl-5-phenyl-4H-1,2,4-triazoles 2 with certain bis-aldehydes 1.Compounds 4
Hakan Bektas, Olcay Bekircan
doaj   +1 more source

Studies on Potential Pesticides Part-XII [PDF]

, 2014
Fifteen N/sup 1/-(4-Nitrophenoxyacetyl)N/sup 4/-aryl/cryclohexyl-3-thiosemicarbazide, eleven 3-(4-Nitrophenoxymethyl)-4-aryl/cyclohexyl-5-mercapto1,2,4-triazoles and four 2-Arylamino-5-(4-Nitrophenoxymethyl)-1,3,4-oxadiazole derivatives were prepared and
Misra, Hemant K., Sen, Anil K.
core   +2 more sources

Fast and Efficient Synthesis of Fluoro Phenyl 1,2,3-Triazoles via Click Chemistry with Ultrasound Irradiation and Their Biological Efficacy Against Candida albicans

Organics
Several fluoro phenyl triazoles were synthesized using click chemistry between fluoro phenyl azides and phenyl acetylene. Under ultrasound irradiation, this synthetic procedure was performed with Cu (I) in the presence of 1,10-phenanthroline.
Elisa Leyva, Johana Aguilar, Silvia E. Loredo-Carrillo, Ismael Acosta-Rodríguez   +3 more
doaj   +1 more source

Syntheses of 1, 2, 4 Triazole Derivatives and their Biological Activity [PDF]

Journal of Chemistry, 2007
Cyclisation of [4‐(4‐oxo‐2‐phenyl‐4H‐quinazolin‐3‐yl)‐phenoxy]‐acetic acid‐N′‐(substituted phenyl)‐thiosemicarbazides with sodium metal in 99.0 % ethanol gave 3‐[4‐(4‐substituted phenyl‐5‐thioxo‐4,5‐dihydro‐1H‐1,2,4 triazol‐3‐ylmethoxy)‐ phenyl]‐2‐phenyl‐3H‐quinazolin‐4‐one .
Freddy H. Havaldar, Abhay R. Patil
openaire   +2 more sources

Analysis of natural and anthropogenic factors aff ecting the ability of Lepidium sativum L. to adapt to the toxicity of triazole xenobiotics [PDF]

Известия Саратовского университета. Новая серия: Серия Химия. Биология. Экология
The eff ects of natural factors (temperatures +34°C and +20°C) and anthropogenic xenobiotics (1,2,4-TriH; 1-(CH3 SO2 )-1H-1,2,4-Tri; 4-(PhSO2 )-4H-1,2,4-Tri; 4-(TolSO2 )-4H-1,2,4-Tri) on watercress Lepidium sativum L. was studied.
Isaichkin, Vadim A., Selezneva, Е. S., Belousova, Z. P.   +2 more
doaj   +1 more source

Synthesis and characterization of some novel 1,2,4-triazoles, 1,3,4-thiadiazoles and Schiff\u27s bases incorporating imidazole moiety as potential antimicrobial agents [PDF]

, 2015
(1,4,5-Triphenylimidazol-2-yl-thio)butyric acid hydrazide (3) was obtained via alkylation of 1,4,5-triphenylimidazol-2-thiol (1) with ethylbromobutyrate, followed by addition of hydrazine hydrate. Treatment of acid hydrazide 3 with carbon disulfide in an
ADEEB AL-SHEIKH ALI, ALAIN LESIMPLE, MOHAMED REDA AOUAD, MOUSLIM MESSALI, NADJET REZKI   +4 more
core   +3 more sources

Synthesis of new 1,4-disubstituted 1,2,3-triazoles using the CuAAC reaction and determination of their antioxidant activities

Anais da Academia Brasileira de Ciências, 2021
This study describes the synthesis and antioxidant activity of new 1,4-disubstituted 1,2,3-triazoles. These compounds were generated semi-synthetically using the Cu(I)-catalysed azide-alkyne cycloaddition (CuAAC) reaction between ethyl 2-azidoacetate and
JOSEFA A. DA CUNHA LIMA, JADSON DE FARIAS SILVA, COSME S. SANTOS, RODRIGO R.A. CAIANA, MARCÍLIO M. DE MORAES, CLAUDIO A.G. DA CÂMARA, JULIANO C.R. FREITAS   +6 more
doaj   +1 more source

The combined action of ERG11 gene overexpression and its mutations in the development of Candida albicans resistance to triazolic antifungals

Журнал микробиологии, эпидемиологии и иммунобиологии
Introduction. Modern medicine is faced with the resistance of Candida spp. to antimycotics, due to changes in the expression and structure of the ERG11 gene, the molecular target of triazoles.
Yuri V. Nesvizhsky, Stanislav S. Afanasiev, Vitaly V. Zverev, Alexander D. Voropaev, Maxim S. Afanasiev, Elena A. Voropaeva, Elena V. Budanova, Ludmila M. Smirnova, Sofia A. Anisova, Yulia N. Urban   +9 more
doaj   +1 more source

Combate del rocío azucarado (Sphacelia sorghi McRae) del sorgo (Sorghum bicolor (L.) Moench) con funguicidas.

Agronomía Mesoamericana, 2006
Con el objetivo de determinar la efectividad de cinco fungicidas en el combate del rocío azucarado del sorgo causado por Sphacelia sorghi McRae, se llevó a cabo un experimento en el campo experimental del Centro Nacional de Investigaciones Agropecuarias ...
Héctor Mena, Francia Fuenmayor, José Tejera, Rafael Jiménez, Eudis Georges   +4 more
doaj   +1 more source

Mycobacterium Tuberculosis Cytochromes (MTB CYP121) and its Molecular interaction with (E)-N’-benzylideneisonicotinohydrazide Inhibitors [PDF]

, 2018
Mycobacterium tuberculosis is a leading cause of infectious disease in the world today. The present anti-tuberculosis drugs have side-effects primarily liver damage and other adverse reactions like nausea, anorexia and vomiting.
SaniUba and AdamuUzairu, Adeniji Elijah Shola
core   +2 more sources